CN110042862A - The prefabricated rail in subway station against the wind road, with prefabricated middle plate connecting node and construction method - Google Patents
The prefabricated rail in subway station against the wind road, with prefabricated middle plate connecting node and construction method Download PDFInfo
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- CN110042862A CN110042862A CN201910355831.3A CN201910355831A CN110042862A CN 110042862 A CN110042862 A CN 110042862A CN 201910355831 A CN201910355831 A CN 201910355831A CN 110042862 A CN110042862 A CN 110042862A
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 70
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- 229910000831 Steel Inorganic materials 0.000 claims description 79
- 239000010959 steel Substances 0.000 claims description 79
- 238000007789 sealing Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
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- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
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- 238000005266 casting Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 32
- 239000004567 concrete Substances 0.000 description 16
- 238000011065 in-situ storage Methods 0.000 description 16
- 238000009434 installation Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000007569 slipcasting Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 206010037076 Protrusion tongue Diseases 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
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- 239000002689 soil Substances 0.000 description 3
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- 238000005345 coagulation Methods 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
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Abstract
The invention discloses a kind of prefabricated rail in subway station roads against the wind, in which: road includes rail wall, rail road right-side wall, rail top air channel base plate, inverted U-shaped reinforcing bar, longitudinal perforation, longitudinally locked reinforcing bar against the wind on the left of road against the wind to prefabricated rail against the wind；Road right-side wall, rail top air channel base plate constitute bathtub construction to rail against the wind for road left side wall, rail against the wind；The top of wall, rail road right-side wall against the wind is embedded with several inverted U-shaped reinforcing bars to rail along longitudinal direction on the left of road against the wind, the top protruding side wall top portion of inverted U-shaped reinforcing bar forms closed loop, for wear pin provoke inverted U-shaped reinforcing bar and be integrally embedded to subway station prefabricated middle plate prefabricated hole slot in pour and be integrated；Wall and rail are against the wind in road right-side wall, perforation offers longitudinal perforation along longitudinal direction below inverted U-shaped reinforcing bar on the left of road against the wind for rail, for penetrating longitudinally locked reinforcing bar, thus the fixed adjacent prefabricated rail of two panels road against the wind.The present invention solves the problems, such as subway station rail road constructional difficulties against the wind, and simple and convenient, speed of application is fast.
Description
Technical field
The invention belongs to subway station underground engineering fields, and in particular to a kind of prefabricated rail in subway station road, subway against the wind
The connecting joint structure in the prefabricated rail in station road and prefabricated middle plate against the wind.
Background technique
In the work progress of subway station, there are cast-in-place and prefabricated two ways, but currently existing scheme in road to existing rail against the wind
There is respective defect.
Cast-in-place rail against the wind road construct the problem of include:
(1) road is located at plate in subway station hereinafter, more than track to rail against the wind, is station secondary structure, because of shield-tunneling construction etc.
Factor needs construction in later period.Rail against the wind road construction in later period when, the scaffold of plate has been removed in erection, needs to set up scaffold again
And template, it is time-consuming and laborious expensive.
(2) rail against the wind road utilize in plate reserved steel bar be suspended to middle plate hereinafter, rail road narrow space against the wind, reinforcing bar binding and
There are great difficulty, construction quality is difficult to be guaranteed for concreting etc., and percolating water and hidden danger of quality are generally existing.
Prefabricated rail against the wind road construct the problem of include:
(1) Anticorrosion: road is connect with plate in subway using steel nodes such as anchor bolt, fashioned iron or welding prefabricated rail against the wind,
Subway engineering percolating water is universal, and Anticorrosion is prominent in wet environment, and there are biggish safety is hidden for steel structure node
Suffer from, need periodic maintenance, increases investment.
(2) fire safety problem: road is connect with plate in subway using steel nodes such as anchor bolt, fashioned iron or welding prefabricated rail against the wind,
There is also fire safety problem, security risks can not be ignored for steel node.
(3) connection in prefabricated rail road and middle plate against the wind, if by the modes such as reserved steel bar is cast-in-place, because of connection construction difficulty
Greatly, construction quality is difficult to ensure, there are biggish security risks.Subway is century-old engineering, especially the area Gui Hang safety, connects matter
Amount requires high, it is necessary to ensure that perfectly safe.
(4) road, general construction weight reach ten tons to prefabricated rail against the wind, and conventional difficulty of construction is big.
Summary of the invention
The anti-corrosion fire safety problem of connecting node, the construction quality of connecting node and stress problem, subway station rail road against the wind
Fabricated construction is the critical issue for needing to solve.For at least one of prior art the above defects or improvement requirements, originally
Invention provides a kind of prefabricated rail in subway station road and node structure against the wind, solves subway station rail road constructional difficulties against the wind
The problem of, simple and convenient, speed of application is fast；Durability is good, good integrity, and quality is high, securely and reliably；The duration is saved, saves and throws
Money；The construction of motorization assembly formula, environmentally protective, energy-saving low-carbon all will in cast-type subway station and assembled subway station
It is used widely, has a vast market foreground.
To achieve the above object, according to one aspect of the present invention, a kind of prefabricated rail in subway station road against the wind is provided,
In: road includes rail wall, rail road right-side wall, rail top air channel base plate, inverted U-shaped reinforcing bar, longitudinal direction against the wind on the left of road against the wind to prefabricated rail against the wind
Perforation, longitudinally locked reinforcing bar；
Road right-side wall, rail top air channel base plate constitute bathtub construction to the rail against the wind for road left side wall, rail against the wind；The rail is against the wind
The top of wall, rail road right-side wall against the wind is embedded with several inverted U-shaped reinforcing bars along longitudinal direction on the left of road, the inverted U-shaped reinforcing bar it is upper
Protruding side wall top portion, portion formed closed loop, for wear pin provoke the inverted U-shaped reinforcing bar and integrally embedment subway station it is prefabricated
It pours and is integrated in the prefabricated hole slot of middle plate；
Wall and rail are against the wind in road right-side wall, perforation opens up along longitudinal direction below the inverted U-shaped reinforcing bar on the left of road against the wind for the rail
There is longitudinal perforation, for penetrating the longitudinally locked reinforcing bar, to fix the adjacent prefabricated rail of two panels road against the wind.
Preferably, road further includes operation hand hole and steel bushing to prefabricated rail against the wind；
The longitudinal direction in the every prefabricated rail end of the longitudinally locked reinforcing bar in road and contiguous prefabricated rail road against the wind against the wind
The end of locking reinforcing bar is fastenedly connected by the steel bushing；
The operation hand hole is formed in the local wide at longitudinal perforation both ends, is open to side wall lateral outer side
Hole slot is fastenedly connected for the steel bushing and provides operating space and can be filled sealing.
Preferably, road further includes elastic sealing gasket to prefabricated rail against the wind；
In prefabricated rail, road seam crossing is laid against the wind for the seam crossing of the prefabricated middle plate of road and subway station and adjacent rail against the wind
Elastic sealing gasket, to rail, road is sealed against the wind；
Prefabricated rail against the wind the seam crossing of the prefabricated middle plate of road and subway station elastic sealing gasket setting the rail against the wind
On the left of road wall and rail against the wind on the right side of road coping, the inverted U-shaped reinforcing bar lateral side；
Adjacent rail against the wind road seam crossing elastic sealing gasket along rail against the wind road flute profile be arranged.
To achieve the above object, it is another aspect of this invention to provide that additionally providing a kind of prefabricated rail in subway station road against the wind
With the connecting joint structure of prefabricated middle plate, in which: including the prefabricated rail in foregoing subway station against the wind road, subway station it is pre-
Plate in system；
Several special T steel sets are embedded in the prefabricated middle plate, plate thickness direction up and down；Two special T
Shape steel bushing partner lateral setting, corresponding respectively to the rail, wall, rail against the wind stretch out at the top of road right-side wall on the left of road against the wind
The inverted U-shaped reinforcing bar, for its insertion；
The special T steel set is upper and lower T shape dimerous, and the pin is stuck in the top of the T shape.
Preferably, the special T steel set top is horizontal bush, lower part is vertical sleeve, in the prefabricated middle plate
In prefabrication casting process, it is respectively formed the middle plate groove on top and the middle plate vertical core of lower part；
The inverted U-shaped reinforcing bar passes through in the middle plate vertical core, and protrudes into the middle plate groove；The pin is arranged in institute
It states in plate groove, across the top closed loop of the inverted U-shaped reinforcing bar, and is crossed on the both ends of the middle plate vertical core, provokes support
The inverted U-shaped reinforcing bar；
Packing material is poured in the middle plate groove and middle plate vertical core, road is connected as with prefabricated middle plate against the wind by prefabricated rail
One entirety.
Preferably, connecting joint structure further includes spacer bar；
The multipair special T steel set is arranged successively along the longitudinal direction of subway station, and every a pair special T steel set is internal
Between, between the adjacent pairs of special T steel set general frame is fixed as by the spacer bar, and be embedded to institute
State pouring in material for prefabricated middle plate.
Preferably, the pin shape is wedge shape, and the absolute altitude for adjusting prefabricated rail road against the wind makes described in it is bonded
Prefabricated middle plate.
Preferably, tube coupling seam crossing in road uses the positive Parapet slot interface of the yin of reserved mesoporous to contiguous prefabricated rail against the wind, and in yin-yang
Grouting Pipe is set on Parapet slot interface.
To achieve the above object, it is another aspect of this invention to provide that additionally provide a kind of foregoing subway station pre-
The construction method of the rail processed connecting joint structure of road and prefabricated middle plate against the wind, wherein include the following steps:
S1, prefabricated rail road against the wind is made in factory, prefabricated rail pre-buried several reinforcing bars of falling shape in road both ends side wall top against the wind；Work
The special T steel set of factory's processing and fabricating；
In S2, construction binding before slab muscle, the special T steel set of pre-buried factory's production；By special T when pouring middle plate
Shape steel bushing forms the middle plate groove on top and the middle plate vertical core of lower part in middle plate, to make prefabricated middle plate；
S3, in the construction of subway station hoisting prefabricated middle plate in place after, by prefabricated rail after road transports scene to against the wind, top
Hold in the palm prefabricated rail road to predetermined position against the wind；
S4, the prefabricated rail of jacking below road to prefabricated middle plate, make in inverted U-shaped reinforcing bar insertion in plate vertical core, and extend out to against the wind
In middle plate groove；
S5, pin is squeezed into reserved middle plate groove, passes through inverted U-shaped reinforcing bar, pin both ends are taken in middle plate vertical core
Both sides form shoulder pole shape, inverted U-shaped reinforcing bar are provoked, to fix prefabricated rail road against the wind；
S6, the longitudinally locked steel that TBE (threaded both ends) is penetrated in prefabricated the rail against the wind reserved longitudinal perforation of road left and right side walls
Muscle, making the prefabricated rail newly installed, road is fixed in road against the wind with upper a piece of prefabricated rail against the wind；
S7, S3-S6 is repeated, until all prefabricated rails are installed in road against the wind, and realizes fastening；
Road assembly finishes against the wind for S8, rail, finally special T steel set in pour sealing material, make prefabricated middle plate with it is prefabricated
Road forms entirety to rail against the wind.
Preferably, after the completion of S5, at this point, road is fitted closely with prefabricated middle plate prefabricated rail against the wind, against the wind by rail
Wall and rail road right-side wall top preset elastic sealing gasket against the wind on the left of road realize the close of prefabricated rail road and prefabricated middle plate against the wind
Envelope；
After S8, further includes:
S9, filler is injected out of the prefabricated rail of two panels against the wind the pre-buried Grouting Pipe of road seam crossing, blind guarantees closed
Property.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
(1) convenient construction, speed of application are fast: by the prefabricated air duct tube coupling of erecting bed roof support to predetermined position, spelling section by section
Dress, pin positioning, the construction of motorization assembly formula, convenient construction, can overcoming conventional cast-in-place rail, road is applied against the wind for road and prefabricated rail against the wind
The limitation that work is difficult, difficulty of construction is big, can in underground station wide popularization and application.
(2) durability is good, and quality is high: after the inverted U-shaped reinforcing bar and pin insertion stationary positioned in fixed prefabricated air duct, backfill is thin
Entire inverted U-shaped reinforcing bar and pin portion are wrapped among concrete by stone concrete, and anti-corrosion fire resisting, quality is high, can meet a century
Project durability requirement.The present invention overcomes the problems, such as the durability and stress of general prefabricated rail road connecting node against the wind, the company of eliminating
Connect the security risk that node burn into is set fire.
(3) good integrity, avoid altering wind and leak out: in the invention implementation process, road, seam crossing are set each prefabricated rail of section against the wind
It is equipped with elastic sealing gasket, can realize reinforcing fastening after assembled immediately, and abutment joint slip casting seals, the globality in rail road against the wind
It is good, it avoids altering wind and leak out.
(4) duration is saved: the prefabricated rail road mechanized construction against the wind of the present invention, without the strong times such as concrete, assembly construction
Speed is fast, saves the duration.
(5) reduce investment outlay: the prefabricated rail of the present invention road and mechanized construction method against the wind do not need scaffold and form fixer
Journey reduces structure size using high-strength concrete, reduces investment outlay.
(6) prefabricated rail road assembled mechanized construction against the wind, dry operation is environmentally protective, energy-saving low-carbon, meets state's family property
Industry and environmental protection policy.
Detailed description of the invention
Fig. 1 is the scheme of installation in the prefabricated rail in subway station of the invention road against the wind；
Fig. 2 is the detail drawing in the prefabricated rail in subway station of the invention road against the wind；
Fig. 3 is the schematic side view in the prefabricated rail in subway station of the invention road against the wind；
Fig. 4 is the special T steel of the prefabricated rail in the subway station of the invention connecting joint structure of road and prefabricated middle plate against the wind
Cover the schematic diagram of positioning；
Fig. 5 is during the station of the prefabricated rail in the subway station of the invention connecting joint structure of road and prefabricated middle plate against the wind is prefabricated
The schematic diagram of plate groove and hole；
Fig. 6 is the special T steel of the prefabricated rail in the subway station of the invention connecting joint structure of road and prefabricated middle plate against the wind
Cover schematic top plan view；
Fig. 7 is A-A schematic cross-sectional view in Fig. 6；
Fig. 8 is B-B schematic cross-sectional view in Fig. 6；
Fig. 9 is pin, the groove of the prefabricated rail in the subway station of the invention connecting joint structure of road and prefabricated middle plate against the wind
And hole correlation schematic diagram；
Figure 10 is the pin side view of the prefabricated rail in the subway station of the invention connecting joint structure of road and prefabricated middle plate against the wind
Schematic diagram；
Figure 11 is contiguous prefabricated rail of the invention road assembly schematic diagram against the wind；
Figure 12 is contiguous prefabricated rail of the invention road assembly seam detail drawing against the wind；
Figure 13 is prefabricated rail of the invention road seam elastic sealing gasket arrangement schematic diagram against the wind；
Figure 14 is the whole schematic elevation view of combined assembled subway station of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.The present invention is described in more detail With reference to embodiment.
As a kind of better embodiment of the invention, as shown in figures 1-13, it is prefabricated that the present invention provides a kind of subway station
The connecting joint structure in rail road, the prefabricated rail in subway station road and prefabricated middle plate against the wind against the wind, specific configuration are as follows.
As shown in Figure 1,5, prefabricated middle plate 16 plate groove 165 and middle plate vertical core 1612 in design position is reserved.
As Figure 2-3, prefabricated rail against the wind road 28 by rail wall 286, rail road right-side wall 287 and rail top against the wind on the left of road against the wind
Air channel base plate 288 is constituted, and pre-buried several inverted U-shaped steel are distinguished on right-side wall 287 top in road against the wind for wall 286 and rail on the left of in-orbit road against the wind
Muscle 289, longitudinal pitch L, inverted U-shaped reinforcing bar 289 are anchored in side wall.
When installation, by the prefabricated rail of 282 jacking of installation trolley road 28 against the wind, inverted U-shaped reinforcing bar 289 is made to pass through middle plate vertical core
1612, and push up in middle plate groove 165, pin 1615 is squeezed into inverted U-shaped reinforcing bar 289, it can road 28 be consolidated against the wind by prefabricated rail
Due to prefabricated middle 16 lower section of plate.
Prefabricated rail against the wind road 28 road seam crossing lays elastic packing against the wind with prefabricated middle 16 seam crossing of plate and adjacent rail
Pad 2819, to rail, road is sealed against the wind.
Path of Force Transfer are as follows: the prefabricated rail prefabricated middle plate of the inverted U-shaped reinforcing bar-pin-of road load-against the wind.
As shown in Figure 4-8, special T steel set 1613 and spacer bar 1614 are middle plate groove 165 and middle plate vertical core 1612
Positioning, prevents position deviation, fluting (hole) mold can be served as, directly in middle plate specific position shape when middle plate pours
At middle plate groove 165 and middle plate vertical core 1612, the rigidity of special T steel set 1613 itself can also be punched with centering plate is mended
By force.The length of middle plate groove 165 is N, horizontal spacing M, longitudinal pitch L.
As Figure 2-3, longitudinal perforation 2810 is in prefabricated the rail against the wind left and right side walls in road 28, for penetrating longitudinal lock
Reinforcing bar 2816 is determined, so that fixed adjacent two panels rail against the wind twist for tightening longitudinally locked reinforcing bar 2816 by road, steel bushing 2817
Tight operation needs to complete in operation hand hole 2811；The prefabricated rail of two panels is after road is fixed against the wind, by built-in slip casting pipe 2818 to connecing
Sealing is realized in slip casting in stitching.
As shown in figures 1-13, entire prefabricated rail against the wind the connecting joint structure of road and prefabricated middle plate Specific construction process such as
Under:
S1, according to design drawing, make prefabricated rail road 28 against the wind in factory, stayed hole and built-in fitting；Processing and fabricating is good
Special T steel set 1613 and spacer bar 1614；
Before S2, prefabricated middle 16 assembling reinforcement of plate, made of special T steel set 1613 and spacer bar 1614 are welded to each other
Location structure is well placed, and then binds prefabricated middle slab muscle, and casting concrete, plate groove 165 and middle plate in middle plate is formed
Vertical core 1612；
S3, by the prefabricated rail made, road 28 is transported to construction site against the wind, by the transport of installation trolley 282 to designated position；
S4, jacking installation trolley 282, by prefabricated rail, road 28 is held up to prefabricated middle 16 lower section of plate against the wind, makes inverted U-shaped reinforcing bar
Plate vertical core 1612 in 289 accurate insertions, and extend out in middle plate groove 165；
S5, the inverted " u "-shaped structure that inverted U-shaped reinforcing bar 289 is formed is squeezed into from side by pin 1615, distinguishes 9 both ends of pin
Middle 1612 two sides of plate vertical core are ridden over, shoulder pole type is formed, provokes inverted U-shaped reinforcing bar 289；At this point, road 28 is and in advance against the wind for prefabricated rail
Plate 16 fits closely in system, rail against the wind on the left of road wall 286 and rail 287 top of road right-side wall against the wind elastic sealing gasket 2819, it is real
The sealing in existing prefabricated rail road 28 and prefabricated middle plate 16 against the wind；
S6, the in-orbit side Lin Kong of road against the wind, by rail, the longitudinal direction of wall 286 and rail against the wind in road right-side wall 287 is worn on the left of road against the wind
Longitudinally locked reinforcing bar 2816 is respectively penetrated in hole 2810, connector is located in operation hand hole 2811, realizes newly by steel bushing 2817
The fastening in mounting rail road against the wind；The elastic sealing gasket 2819 of road and preceding a piece of rail against the wind between road can be realized pair new assembly rail against the wind
The sealing of seam；
S7, S3-S6 is repeated, until all prefabricated rails are installed in road against the wind, and realizes fastening；
S8, all middle plate groove 165 and middle plate vertical core 1612 are filled with pea gravel concreten, keep joint of steel structure completely close
It is encapsulated among concrete, reaches life requirement, while improving the coupling stiffness in prefabricated middle plate 16 and prefabricated rail road 28 against the wind,
The two is set to form an entirety；
S9, cement slurry is injected out of the prefabricated rail of two panels against the wind the pre-buried Grouting Pipe 2818 of road seam crossing, blind guarantees
Airtightness in seam outer patch sealing rod or can squeeze into marine glue as needed, realize multiple tracks protection.
The other technologies index that the present invention uses is as follows.
High-grade concrete or lightweight coagulation can be used according to carrying situation in prefabricated rail of the present invention road 28 against the wind
Soil etc. is prefabricated.
Prefabricated rail of the present invention road 28 against the wind, each prefabricated segment length determines according to actual conditions, internal headroom ruler
It is very little according to ventilation it needs to be determined that.
Prefabricated rail against the wind on the left of road wall 286, rail against the wind road right-side wall 287 and 288 thickness of rail top air channel base plate according to calculating
It determines.
Road right-side wall 287 will stretch out rail top air channel base plate 288 to prefabricated rail against the wind, and specific extension elongation is according to shield door model
It determines.
The rail wall 286, rail road right-side wall 287 and rail top air channel base plate 288 against the wind on the left of road against the wind, it is suitable in turning point
Chamfering is set, the destruction of colliding with of wedge angle is avoided.
According to rail, road load and protective layer thickness take optimal value to 289 diameter of inverted U-shaped reinforcing bar against the wind, and diameter is unsuitable small
In 30mm, everywhere is preferably arranged in parallel two, and certain intervals are arranged between adjacent two inverted U-shaped reinforcing bars 289, guarantees the shape of falling U reinforcing bar
289 with the contact area of concrete.
Anchorage length need to meet force request in the in-orbit side wall of road against the wind of the inverted U-shaped reinforcing bar 289.
The inverted U-shaped reinforcing bar 289, according to the quantity for determining and needing is calculated, the preferably in-orbit left side of road against the wind wall 286, rail top
It is arranged symmetrically in air duct right-side wall 287.
Inverted U-shaped 289 extension of reinforcing bar determines according to prefabricated middle 16 thickness of plate and 5 depth of groove, for a thickness of
The prefabricated middle plate 16 of 400mm, preferably 370mm can not only guarantee that pin 1615 was squeezed into, but also can guarantee to pour pea gravel concreten
Afterwards, inverted U-shaped reinforcing bar 289 has enough protective layer thickness；Equally applicable this method of plate in other thickness.
The inverted U-shaped reinforcing bar 289 can be according to the actual situation other connectors such as round steel, fashioned iron, and correlation has same
The connector of the other forms of function is within the scope of this patent.
The installation trolley 282 need to have the function of jacking and walking in a horizontal state, should have enough power；Trolley is installed
282 preferably use the wheel with buffer capacity, to buffer vibration when walking on bottom plate 25 AT STATION.
The prefabricated middle plate 16 is usually with a thickness of 400mm, and middle 165 depth of plate groove is preferably 100mm, and width is preferably
150mm, length are not less than 400mm, need to ensure that pin 1615 has installation space；The middle plate vertical core 1612 recommends the side length to be
150mm is that construction error space is reserved in the insertion of inverted U-shaped reinforcing bar 289；For the middle plate groove 165 that is referred in the present invention and in
1612 size and shape of plate vertical core can be adjusted according to actual needs.
1615 shape of pin is preferably wedge shape, and (small end head is the side 30mm*30mm to wedge-shaped side view as shown in the picture
Shape, big end are 30mm*40mm rectangle, and entire pin is the equal of a upper bottom 30mm, and the right-angled trapezium for the 40mm that goes to the bottom is along thick
Degree direction has stretched the 3 D stereo of 30mm formation), it is squeezed into from thinner one end, prefabricated rail top can be adjusted according to driving depth
The absolute altitude in air duct 28, it is ensured that it is bonded with the prefabricated middle realization of plate 16；Pin, which needs to have in 12 two sides of square hole, takes length outside enough,
Such as in case of the present invention, length is not preferably less than 310mm, to guarantee pin 1615 in middle plate not less than 80mm.
The pin 1615, according to actual needs, or fashioned iron, steel plate or round steel can be used in other shapes
Pipe, the present invention do not do mandatory provision, and can guarantee can squeeze into and shearing strength.
The special T steel set 1613 is made of upper and lower two parts, and upper part is identical as middle 165 size of plate groove,
Lower part is identical as middle 1612 size of plate vertical core, and special T steel covers 1613 thickness and is preferably not less than 10mm, is opened with playing centering plate
The effect that hole is reinforced；The spacing of adjacent special T steel set 1613 is precisely determined by spacer bar 1614, guarantees construction precision.
It may be the other shapes such as round steel pipe that the special T steel set 1613, which can be square steel, according to actual needs
It determines, is described only by taking rectangle as an example in the present invention, other have the steel pipe of same principle also within the scope of the present invention.
2810 diameters of described longitudinal perforation should be slightly bigger than longitudinally locked reinforcing bar 2816, and (longitudinally locked reinforcing bar 2816 is at both ends
Equipped with screw thread, convenient for connection steel bushing, road length is identical against the wind with monolithic rail for length), the in-orbit road against the wind of longitudinal perforation 2810 is left
Side wall 286, rail are arranged symmetrically (the number of holes can increase according to actual needs) at 287 intermediate altitude of road right-side wall against the wind, longitudinal
Perforation 2810 needs to be arranged within steel mesh preferably slightly toward in rail against the wind on the outside of road side wall, facilitates longitudinally locked reinforcing bar
2816 interspersed and fastening；Both ends depth, height and depth of longitudinal perforation 2810 in every prefabricated rail road 28 against the wind are both needed to expand
Greatly, formation operation hand hole 2811, manipulator's hole length need to meet steel bushing 2817 installation and latter longitudinally locked reinforcing bar it is tight
Gu operating space need to highly meet the operating space that spanner twists steel bushing 2817 with depth.
Road seam crossing is both needed to built-in slip casting pipe 2818 to every prefabricated rail of two panels against the wind, and cement slurry or slip casting material can be selected in slip casting
Material etc., it is ensured that the sealing of seam crossing.
The middle plate groove 165 and middle plate vertical core 1612 are both needed to after the completion of road is assembled against the wind for prefabricated rail using microlith
Concrete or other packing materials tamp.
Tube coupling seam crossing in road is convenient for abutting joint to be contemplated that the positive Parapet slot interface of yin using reserved mesoporous to prefabricated rail against the wind
It is sealed with slip casting.
The elastic sealing gasket 2819 prefabricated rail against the wind road 28 with prefabricated middle 16 seam crossing of plate, road connects two panels rail against the wind
It is both needed to lay at seam；.
The prefabricated rail in subway station of the invention against the wind road, with prefabricated middle plate connecting node and construction method, be suitable for one layer
Or multilayered structure, it is also applied for single hole, diplopore or porous.According to construction organization and convenient needs, in-orbit top can also be considered
Lifting device is set above plate in air duct, suspends promotion in midair above middle plate using rope, realizes that installation is in place.
As shown in figure 14, the present invention also provides a kind of use prefabricated rail in above-mentioned subway station, road, subway station are prefabricated against the wind
Combined assembled underground structure (such as the subway of the rail connecting joint structure of road and prefabricated middle plate and its construction method against the wind
Stand), in which:
Including subterranean wall 1, main structure column；Underground coping is equipped with the pre-buried prefabricated middle plate of installation in crown beam 5, middle part
Steel construction card slot 2, positioning and rest when for the lifting of prefabricated middle plate, the height of card slot is greater than middle plate thickness, when subterranean wall card slot
Absolute altitude there are when error allow both relative movement, can still ensure in plate be located at designed elevation；It is set at the top of main structure column
There are prefabricated top beam 8, middle part to be equipped with prefabricated middle stringer 15.Main structure column includes pile foundation 3 and steel column 4, and steel column 4 needs
It is inserted into 3 certain depth of pile foundation, guarantees that the two realizes reliable connection；Steel column 4 using steel core concrete column, steel reinforced concrete or
External wrapping concrete forms steel tube concrete superposed column.Top plate prestressing force jack 11, steel are equipped between crown beam 5 and prefabricated top plate 9
Middle board prestress jack 19 is equipped between structure card slot 2 and prefabricated middle plate 16.In view of prefabricated components installation positioning need to be reserved
Certain error, it is pre- to top plate prefabricated components, middle plate respectively by top plate prestressing force jack 11, middle board prestress jack 19
Component processed applies transverse prestress, to balance and offset reserved error, controls the deformation of subterranean wall, it is ensured that foundation pit and periphery construction
The safety and stability of object.Each prefabricated board locks rod iron by using deformed bar or section by section, longitudinally (in paper just by prefabricated board
To) tensioning fixation is carried out into an entirety.
The prefabricated top plate 9 that is arranged between prefabricated top beam 8, crown beam 5 and prefabricated top beam 8, adjacent two prefabricated top beam 8 it
Between the prefabricated top plate 9, the top plate in-situ layer 12 on top plate, the common shape of top plate flexible waterproof layer 13 on top plate in-situ layer that are arranged
At composite water-proof prestressing force top plate.
It is the prefabricated middle plate 16 that is arranged between prefabricated middle stringer 15, steel construction card slot 2 and prefabricated middle stringer 15, adjacent two prefabricated
Plate in combined prestressing force is collectively formed in middle plate in-situ layer 20 on the prefabricated middle plate 16 that is arranged between middle stringer 15, middle plate.
Prefabricated bed course 23 that substrate is set gradually from bottom to up, base plate waterproofing 24, cast-in-place bottom plate 25 are collectively formed compound
Waterproof bottom plate.
It is collectively formed to inward side to the side wall waterproof layer and side wall in-situ layer set gradually in subterranean wall 1 and subterranean wall
Composite water-proof wall.
Prefabricated top plate 9 is hung with prefabricated pipeline bracket 10 by built-in groove, forms integral prefabricated part.Prefabricated middle plate 16 passes through
Built-in groove is hung with prefabricated pipeline bracket 10 and prefabricated rail road 28 against the wind, and is equipped with preheating embedding line casing 18 up and down, is formed
Integral prefabricated part.Groove is reserved on the inside of crown beam 5, the reserved protrusion tongue and groove in prefabricated 8 two sides of top beam, prefabricated middle 15 two sides of stringer are reserved
Tongue and groove is protruded, is placed convenient for the lifting of prefabricated top plate 9 and prefabricated middle plate 16.
Plate in composite water-proof prestressing force top plate, combined prestressing force, composite waterproof bottom board are each formed between composite water-proof wall
Effect connection the problem of forming full packet waterproof combined assembled underground structure entirely, overcome full assembled underground structure percolating water, is dashed forward
The limitation of assembled underground structure application range has been broken, can have been answered in water rich strata, the area that surrounding enviroment are complicated, Deformation control is high
With can effectively promote extensive use of the fabricated construction in underground engineering.The present invention is instead of conventional excavation and cast-in-place structure
A large amount of inner supports and template, reduce investment outlay；Pre-add axis pressure can be set to prefabricated components simultaneously, balance and offset assembled gap
Deformation, can effectively protect surrounding enviroment, it is ensured that deep pit monitor.Underground is realized in prefabricated components batch production production and mechanized construction
Structural Engineering high quality and superior quality, substitute traditional furred ceiling finishing, and pre-buried channel flow realizes comprehensive pipeline standardization and mechanization
Installation, reduces investment outlay and the duration, and green construction, energy conservation and environmental protection is technologically advanced, realizes sustainable development and green construction, can be real
Shi Xingqiang has wide application space in underground engineering field.
The reversed construction method of combined assembled underground structure of the invention, includes the following steps:
S1, construction subterranean wall 1 and main structure column, wherein in subterranean wall 1 the pre-buried prefabricated middle plate of installation steel construction card
Slot 2；In step S1, subterranean wall 1 uses concrete placed under water ground-connecting-wall or prefabricated subterranean wall；The construction party of main structure column
Method is pile foundation 3 of first constructing, then lifts steel column 4 and be inserted into pile foundation 3, and steel column 4 uses steel core concrete column, fashioned iron coagulation
Soil or external wrapping concrete form steel tube concrete superposed column.
S2, crown beam 5 and retaining wall 6 are applied.
S3, it is excavated under top plate beam 7 in terms of spoil, and hoisting prefabricated top beam 8 and prefabricated top plate 9, wherein prefabricated top
Prefabricated pipeline bracket 10 is embedded in plate batch production manufacturing process.Preferably, reserved groove, prefabricated top beam 8 when crown beam 5 is constructed
Reserved protrusion tongue and groove, the lifting for prefabricated top plate 9 are placed.
S4, the top plate prestressing force jack 11 first passed through between crown beam 5 and prefabricated top plate 9 apply pre- answer to prefabricated top plate 9
Power, then top plate in-situ layer 12 is poured, and top plate flexible waterproof layer 13 of constructing, wherein according to the needs for being unearthed and feeding, along top plate
Longitudinally disposed several unearthed and feed openings.
S5, under the support of precast beam system, synchronize downward earth excavation into lower layer under plate-girder 14 in terms of spoil.
Preferably, between S4-S5, after the completion of top plate precast beam system, in-situ layer and waterproof layer, it can move back pipeline and backfill is covered
Soil resumes traffic, and can reduce the influence to urban transportation and pipeline.
S6, using upper layer be unearthed and feed opening, hoisting prefabricated middle stringer 15 and prefabricated middle plate 16, wherein prefabricated Zhong Ban factory
Change manufacturing process in setting be embedded with prefabricated pipeline bracket 17, preheating embedding line casing 18 and prefabricated rail against the wind road 28 suspension installation
Slot (is formed) by aforementioned inverted T-shaped steel bushing 1613.Subterranean wall 1 is in the pre-buried steel construction card slot 2 of middle plate elevation location, prefabricated middle stringer
15 reserved protrusion tongue and grooves, the lifting for prefabricated middle plate 16 are placed.When lifting, it is inserted into the reserved steel knot of diaphram wall 1 on one side
In structure card slot 2, it is placed on the reserved middle stringer tongue and groove of prefabricated middle stringer 15 on one side.
S7, apply prestressing force to prefabricated middle plate 16 first with the middle board prestress jack 19 in steel construction card slot 2, then pour
Build middle plate in-situ layer 20, wherein the unearthed and feed opening of middle plate is corresponding with upper layer.
S8, under the support of precast beam, synchronize downward excavation；And synchronous construction basement one side wall waterproof layer 21 and ground
Next layer of side wall in-situ layer 22.
S9, S5-S7 is recycled downwards, be excavated to foundation pit bottom.
S10, the prefabricated bed course 23 of installation, base plate waterproofing 24, cast-in-place bottom plate 25 are applied.
S11, construction backplane level side wall waterproof layer 26 and backplane level side wall in-situ layer 27；Synchronous successively polishing is unearthed and charging
Hole.
Preferably, after S11 further include:
In S12, the completion of combined assembled underground structure main body and adjacent interval coverage after shield-tunneling construction completion, pass through
The pre-buried suspension mounting groove of prefabricated middle plate installs prefabricated rail road 28 against the wind, is detailed in prefabricated rail above road and prefabricated middle plate against the wind
The Specific construction process of connecting joint structure.
Full packet waterproof of the invention combined assembled underground structure and construction method entirely, without setting up in entire work progress
Support and template, under plate upper plate can synchronous construction operation, the time for waiting age to be formed greatly shortens, and has green construction, fast
Convenient, the safe and efficient, environmental protection and energy saving of speed, a series of advantages such as reduce investment outlay, have wide application space.
Top plate and middle plate prefabricated member and in-situ layer substitution inner support and template, work progress, utilizes setting from top to bottom
Unearthed feed opening, be unearthed, charging, the disengaging of hoisting prefabricated middle plate, make-up machinery, bottom plate closing and side wall it is complete it is rear after, main body knot
Structure has completed.
Structure cast-in-place layer, including top plate in-situ layer, middle plate in-situ layer, cast-in-place bottom plate, using prefabricated components as mould when pouring
Plate can save a large amount of templates.
Complete combined assembled Underground Construction method, constructs from top to bottom, using top plate prefabricated components and in-situ layer, in
Plate prefabricated member and in-situ layer substitute inner support system, can effectively protect foundation pit periphery building, save a large amount of construction investments.
Complete combined assembled Underground Construction method, constructs from top to bottom, using top plate prefabricated components and in-situ layer, in
Plate prefabricated member and in-situ layer substitute inner support system, can effectively protect foundation pit periphery building, save a large amount of construction investments.It examines
Certain error need to be reserved by considering prefabricated components installation positioning, pass through top plate prestressing force jack, middle board prestress jack point
It is other that transverse prestress is applied to top plate prefabricated components, middle plate prefabricated member, to balance and offset reserved error, control subterranean wall
Deformation, it is ensured that the safety and stability of foundation pit and periphery building.Each prefabricated board locks steel by using deformed bar or section by section
Prefabricated board longitudinal (direction in paper) is carried out tensioning fixation into an entirety by stick.
Each prefabricated components splicing assembly of structure is completed, and mounting structure is formed by tongue-and-groove, high strength exploitation；Preformed pad
Cast-in-place concrete structure also can be used in layer.
Combined assembled underground structure of the invention and its construction method are suitable for basement one, two layers and more layers, can
According to requirement of engineering suitable for no column single span, single-column twin spans, twin columns three across or more across multi-layer underground structure.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of prefabricated rail in subway station road against the wind, it is characterised in that: prefabricated rail includes against the wind road (28) rail wall on the left of road against the wind
(286), rail against the wind perforate (2810), be vertical by road right-side wall (287), rail top air channel base plate (288), inverted U-shaped reinforcing bar (289), longitudinal direction
To locking reinforcing bar (2816)；
Road right-side wall (287), rail top air channel base plate (288) constitute flute profile knot to the rail against the wind for road left side wall (286), rail against the wind
Structure；The rail against the wind on the left of road the top of wall (286), rail road right-side wall (287) against the wind be embedded with along longitudinal direction it is several described inverted U-shaped
The top protruding side wall top portion of reinforcing bar (289), the inverted U-shaped reinforcing bar (289) forms closed loop, provokes for wearing pin (1615)
It pours and is integrated in the inverted U-shaped reinforcing bar (289) and the integrally prefabricated hole slot of the prefabricated middle plate (16) of embedment subway station；
The rail wall (286) and rail against the wind in road right-side wall (287), below the inverted U-shaped reinforcing bar (289) along indulging on the left of road against the wind
Longitudinal perforation (2810) is offered to perforation, for penetrating the longitudinally locked reinforcing bar (2816), so that fixation is adjacent
The prefabricated rail of two panels road (28) against the wind.
2. the prefabricated rail in subway station as described in claim 1 road against the wind, it is characterised in that:
Prefabricated rail further includes against the wind road (28) operation hand hole (2811) and steel bushing (2817)；
The every prefabricated rail end of the longitudinally locked reinforcing bar (2816) of road (28) and contiguous prefabricated rail road (28) against the wind against the wind
The end of the longitudinally locked reinforcing bar (2816) be fastenedly connected by the steel bushing (2817)；
Operation hand hole (2811) be formed in the local wide at described longitudinal (2810) both ends of perforating, to side wall lateral out
The hole slot of side opening is fastenedly connected for the steel bushing (2817) and provides operating space and can be filled sealing.
3. such as the prefabricated rail in the described in any item subway stations claim 1-2 road against the wind, it is characterised in that:
Prefabricated rail further includes against the wind road (28) elastic sealing gasket (2819)；
In prefabricated rail, road seam crossing is equal against the wind for road (28) and the seam crossing of the prefabricated middle plate (16) of subway station and adjacent rail against the wind
It lays elastic sealing gasket (2819), to rail, road is sealed against the wind；
Road (28) and elastic sealing gasket (2819) setting of the seam crossing of the prefabricated middle plate (16) of subway station exist prefabricated rail against the wind
The rail against the wind on the left of road wall (286) and rail against the wind the top of road right-side wall (287), the inverted U-shaped reinforcing bar (289) cross side
Side；
Adjacent rail against the wind road seam crossing elastic sealing gasket (2819) along rail against the wind road flute profile be arranged.
4. the connecting joint structure in a kind of prefabricated rail in subway station road and prefabricated middle plate against the wind, it is characterised in that: including such as right
It is required that the prefabricated middle plate (16) of the prefabricated rail in the described in any item subway stations 1-3 road (28), subway station against the wind；
Be embedded with several special T steel sets (1613) in the prefabricated middle plate (16), plate thickness direction up and down；Described in two
Special T steel set (1613) partner lateral setting, correspond respectively to rail wall (286), rail road against the wind on the left of road against the wind
The inverted U-shaped reinforcing bar (289) stretched out at the top of right-side wall (287), for its insertion；
The special T steel set (1613) is upper and lower T shape dimerous, and the pin (1615) is stuck in the upper of the T shape
Portion.
5. the connecting joint structure in the prefabricated rail in subway station as claimed in claim 4 road and prefabricated middle plate against the wind, feature exist
In:
Special T steel set (1613) top is horizontal bush, lower part is vertical sleeve, in the work of the prefabricated middle plate (16)
In the prefabricated casting process of factory, it is respectively formed the middle plate groove (165) on top and the middle plate vertical core (1612) of lower part；
The inverted U-shaped reinforcing bar (289) passes through in the middle plate vertical core (1612), and protrudes into the middle plate groove (165)；It is described
Pin (1615) setting passes through the top closed loop of the inverted U-shaped reinforcing bar (289) in the middle plate groove (165), and is crossed on
The support inverted U-shaped reinforcing bar (289) is provoked at the both ends of the middle plate vertical core (1612)；
Packing material has been poured in the middle plate groove (165) and middle plate vertical core (1612), prefabricated rail is road (28) and pre- against the wind
Plate (16) is connected as an entirety in system.
6. the connecting joint structure in the prefabricated rail in subway station as claimed in claim 5 road and prefabricated middle plate against the wind, feature exist
In:
Connecting joint structure further includes spacer bar (1614)；
The multipair special T steel set (1613) is arranged successively along the longitudinal direction of subway station, every a pair special T steel set
(1613) fixed by the spacer bar (1614) between inside, between the adjacent pairs of special T steel set (1613)
For a general frame, and it is embedded to the pouring in material of prefabricated middle plate (16).
7. the connecting joint structure in the prefabricated rail in subway station as claimed in claim 6 road and prefabricated middle plate against the wind, feature exist
In:
Pin (1615) shape is wedge shape, and the absolute altitude for adjusting prefabricated rail road (28) against the wind keeps its fitting described pre-
Plate (16) in system.
8. the connecting joint structure in the prefabricated rail in subway station as claimed in claim 7 road and prefabricated middle plate against the wind, feature exist
In:
Tube coupling seam crossing in road is set contiguous prefabricated rail using the positive Parapet slot interface of the yin for reserving mesoporous, and on negative positive Parapet slot interface against the wind
Set Grouting Pipe (2818).
9. such as the prefabricated rail in the described in any item subway stations claim the 4-8 against the wind connecting joint structure of road and prefabricated middle plate
Construction method, which comprises the steps of:
S1, prefabricated rail road (28) against the wind are made in factory, prefabricated rail pre-buried several reinforcing bars of falling shape in road both ends side wall top against the wind
(289)；Factory process makes special T steel set (1613)；
In S2, construction binding before slab muscle, the special T steel set (1613) of pre-buried factory's production；By special T when pouring middle plate
Shape steel bushing (1613) forms the middle plate groove (165) on top and the middle plate vertical core (1612) of lower part in middle plate, to make pre-
Plate (16) in system；
S3, in the construction of subway station hoisting prefabricated middle plate (16) in place after, transport prefabricated rail to scene against the wind road (28)
Afterwards, the prefabricated rail of jacking road to predetermined position against the wind；
S4, the prefabricated rail of jacking below road (28) to prefabricated middle plate (16), make plate vertical core in inverted U-shaped reinforcing bar (289) insertion against the wind
(1612) it in, and extend out in middle plate groove (165)；
S5, pin (1615) are squeezed into reserved middle plate groove (165), passes through inverted U-shaped reinforcing bar (289), pin both ends
It takes and forms shoulder pole shape in middle plate vertical core (1612) both sides, inverted U-shaped reinforcing bar (289) are provoked, to fix prefabricated rail road against the wind
(28)；
S6, the longitudinally locked steel that TBE (threaded both ends) is penetrated in prefabricated the rail against the wind reserved longitudinal perforation (2810) of road left and right side walls
Muscle (2816), making the prefabricated rail newly installed, road is fixed in road against the wind with upper a piece of prefabricated rail against the wind；
S7, S3-S6 is repeated, until all prefabricated rails are installed in road against the wind, and realizes fastening；
Road assembly finishes against the wind for S8, rail, finally pours sealing material in the special T steel set (1613), makes prefabricated middle plate and pre-
Road forms entirety to rail processed against the wind.
10. the construction party of the prefabricated rail in the subway station as claimed in claim 9 connecting joint structure of road and prefabricated middle plate against the wind
Method, it is characterised in that:
After the completion of S5, at this point, road is fitted closely with prefabricated middle plate prefabricated rail against the wind, pass through wall and rail on the left of rail against the wind road
Road right-side wall top preset elastic sealing gasket (2819) against the wind realizes the sealing in prefabricated rail road and prefabricated middle plate against the wind；
After S8, further includes:
S9, filler is injected out of the prefabricated rail of two panels against the wind the pre-buried Grouting Pipe of road seam crossing (2818), blind guarantees close
Closing property.
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| CN110700872A (en) * | 2019-09-11 | 2020-01-17 | 上海宝冶建筑装饰有限公司 | Construction method of rail top air duct |
| CN111219201A (en) * | 2020-03-04 | 2020-06-02 | 广州地铁设计研究院股份有限公司 | Subway station rail top air duct combined with middle plate and construction method thereof |
| CN111501830A (en) * | 2020-04-30 | 2020-08-07 | 中建八局轨道交通建设有限公司 | Subway open cut station rail top air duct structure and sequential construction method thereof |
| CN111593861A (en) * | 2020-04-14 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Connecting structure of prefabricated rail top air duct and structural slab and construction method thereof |
| CN111720632A (en) * | 2020-06-22 | 2020-09-29 | 中铁二院工程集团有限责任公司 | Novel prefabricated rail top wind channel suitable for subway station |
| CN114016703A (en) * | 2021-12-10 | 2022-02-08 | 中国华西企业股份有限公司 | Rail top air duct construction method |
| CN115354692A (en) * | 2022-09-20 | 2022-11-18 | 中南大学 | Modular underground comprehensive pipe gallery ventilation opening and assembling method thereof |
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| CN111219201A (en) * | 2020-03-04 | 2020-06-02 | 广州地铁设计研究院股份有限公司 | Subway station rail top air duct combined with middle plate and construction method thereof |
| CN111219201B (en) * | 2020-03-04 | 2024-05-17 | 广州地铁设计研究院股份有限公司 | Subway station rail top air duct combined with middle plate and construction method thereof |
| CN111593861A (en) * | 2020-04-14 | 2020-08-28 | 中铁第四勘察设计院集团有限公司 | Connecting structure of prefabricated rail top air duct and structural slab and construction method thereof |
| CN111501830A (en) * | 2020-04-30 | 2020-08-07 | 中建八局轨道交通建设有限公司 | Subway open cut station rail top air duct structure and sequential construction method thereof |
| CN111720632A (en) * | 2020-06-22 | 2020-09-29 | 中铁二院工程集团有限责任公司 | Novel prefabricated rail top wind channel suitable for subway station |
| CN114016703A (en) * | 2021-12-10 | 2022-02-08 | 中国华西企业股份有限公司 | Rail top air duct construction method |
| CN115354692A (en) * | 2022-09-20 | 2022-11-18 | 中南大学 | Modular underground comprehensive pipe gallery ventilation opening and assembling method thereof |
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| CN110042862B (en) | 2024-01-16 |
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