CN110410109A - A kind of construction of hangar tunnel lining cutting arch shifting formwork trolley and construction method - Google Patents
A kind of construction of hangar tunnel lining cutting arch shifting formwork trolley and construction method Download PDFInfo
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- CN110410109A CN110410109A CN201910775486.9A CN201910775486A CN110410109A CN 110410109 A CN110410109 A CN 110410109A CN 201910775486 A CN201910775486 A CN 201910775486A CN 110410109 A CN110410109 A CN 110410109A
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- 238000010276 construction Methods 0.000 title claims abstract description 77
- 238000005520 cutting process Methods 0.000 title claims abstract description 51
- 238000009415 formwork Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 13
- 241001669679 Eleotris Species 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of hangar tunnel lining cutting arch construction shifting formwork trolley and construction methods, hangar tunnel lining cutting arch construction shifting formwork trolley includes formwork for placing, sub-truss, moving flatcar and rail assembly, formwork for placing is fixedly connected on the working face of sub-truss, and sub-truss is installed in moving flatcar；In walking states, moving flatcar is walked along being fixedly mounted on the rail assembly on ground, and in die-filling, concreting, jack is installed between moving flatcar and ground, jack is connect by fluid pressure line with hydraulic station, and support base is arranged between moving flatcar and ground.The present invention can the template of double arch order hangar tunnel lining cutting arch carry out integral installation disassembly, whole hang shifting, duplicate template spelling and partition work can be saved, the cumbersome process for building scaffold protection can be saved significantly again, and template can also be shifted integrally to next construction section, save the process torn open refill again, larger raising construction efficiency shortens the construction period；Have the characteristics that construction safety coefficient height, rapid and convenient, standardization.
Description
Technical field
The present invention relates to a kind of technical field of building construction, specially a kind of hangar tunnel lining cutting arch construction shifting formwork trolley and
Construction method is suitable for hangar tunnel lining cutting arch concrete construction.
Background technique
In recent years, the highway infrastructures in China are quickly grown, a large amount of highway hot work in progress or Program Construction, high-grade public affairs
Road is promoted from plains region to mountain area on a large scale.In highway construction, it can more and more encounter and deep-cut section.On these roads
Duan Zhong, the region steeper to some side slope less stables, slope surface, general slope protection are extremely difficult to economic, permanent protection
Effect, hangar tunnel as a kind of permanent safeguard structure, compare open trench tunnel have again construction technology it is simple, it is simple for structure, construct
The advantages that short time limit, therefore the metastable half arch order hangar tunnel of structure will be appeared in more and more in Road Design.
This is also to put forward new requirements to the progress of construction, how efficient, economic and safety is realized in the construction of hangar tunnel lining cutting arch,
It is the new problem put in engineers and technicians.
Current half arch order hangar tunnel arch construction mostly uses hoisting machine tool to assist greatly, installs steel pipe support, template section by section,
Walls concrete is poured, then removes steel pipe support, template section by section, carries out the lower paragraph of installation after template cleaning.It is this to apply
Work method operating personnel's large labor intensity, construction efficiency is very low, and progress is slow.In order to meet construction speed and constructing aims
It is required that often to increase template number, increases operating personnel and setting to realize, bracket, template consumption is significantly increased, greatly
Width increases construction cost.And template, through repeated multiple times block-by-block installing and dismounting, template is easily-deformable, and deformation is big, plate connector
It gradually deforms, occurs the hangar tunnel lining cutting arch after pouring on demoulding back wall surface uneven, seam crossing spillage generates bee
Nest cavity, leads to poor appearance.And cellular cavity position is even across secondary treatment, waterproof of the hangar tunnel lining cutting arch at this position
Ability and structure durability also receive very big weakening.And it is poor in steel pipe support structural integrity, bearing capacity is limited, makes
Construction safety risk is high in the structure of heavy load, is not easy control.
Summary of the invention
The object of the present invention is to provide a kind of hangar tunnel lining cutting arch construction shifting formwork trolley and construction methods；Hangar tunnel is filled up
The blank of lining cutting arch construction can be realized standardized construction, and construction is light, and assembling and dismounting are convenient, and it is convenient to construct, and reduce it
Its mechanical use, Yi Zhouzhuan shorten construction period, reduce construction cost, and overall structure is stablized, and working security is good.
In order to realize aforementioned present invention purpose, the technical solution of use are as follows:
A kind of hangar tunnel lining cutting arch construction shifting formwork trolley, hangar tunnel includes the hangar tunnel lining cutting arch on top, hangar tunnel lining arch subordinate
Side's connection hangar tunnel lining cutting stalk, hangar tunnel lining cutting stalk lower section connection hangar tunnel basis, hangar tunnel basis locate below ground level, hangar tunnel lining cutting
Construction shifting formwork trolley in arch includes formwork for placing, sub-truss, moving flatcar and rail assembly, and sub-truss is different by length
Channel steel or I-steel formed by welding whole, be installed on flatcar crossbeam.Formwork for placing is fixedly connected on sub-truss
Working face, sub-truss is installed in moving flatcar；In walking states, moving flatcar is along the track for being fixedly mounted on ground
It walks on component, in die-filling, concreting, jack is installed, jack passes through hydraulic tube between moving flatcar and ground
Road is connect with hydraulic station, and support base is arranged between moving flatcar and ground.
I.e. the construction of hangar tunnel lining cutting arch with shifting formwork trolley in walking states, trolley can on rail assembly front and back free walker
It walks, when going to predetermined position, trolley stops, and several jack are placed under trolley, and jack is connected with hydraulic station, opens hydraulic
It stands, jack integrally jacks up trolley to predetermined altitude, then installs support base, and trolley is made to be fixed on construction height, hydraulic station
Can release, for trolley weight by support seat supports, worker carries out die-filling, concrete pouring operation；When construction finishes, hydraulic station is opened
It opens, jack jacks up trolley, removes support base, and then trolley is decreased until that traveling wheel falls into track by jack, removes thousand
Jin top, trolley can walk on to next operating position, so on circulate.
The support base is one kind of wedge block, husky cylinder or lifting support.Because landform needs, below hangar tunnel, ground is not usually
It is horizontal, therefore uses height-adjustable support base A, each support base can be individually adjusted according to the inclined angle in ground
Highly, make the moving flatcar above support base that can keep horizontal posture.The sand cylinder is cylindrical shape, and steel-pipe welding is at closing
Fixing end of the container as lower section pours into fine sand in the opening of fixing end bottom or side setting belt switch, container, in fine sand
Upper to place the smaller movable end of outer diameter, when opening is opened, fine sand outflow, then movable end height declines.
The rail assembly includes two track, rear horizontal-associate and the preceding horizontal-associates being arranged side by side；The preceding horizontal-associate, rear horizontal-associate difference
The front and back ends of track are installed on, front and back horizontal-associate makes the depth of parallelism of two rows of tracks obtain fixed control, and two rows of tracks will not occur
Relative displacement and deviation improve the stability of trolley walking, guarantee the precision of hangar tunnel lining cutting arch construction.
The moving flatcar includes flatcar crossbeam, flatcar stringer and walking component；Several flatcar crossbeams and flatcar stringer are taken
It connects and constitutes moving flatcar platform, traveling wheel is installed on moving flatcar mesa base.Usual crossbeam is located at the top of stringer, under stringer
Side's connection traveling wheel, flatcar crossbeam is I-steel, and flatcar stringer is configured to I-steel or Two bors d's oeuveres I-steel.
Motor is installed, motor is connect by deceleration device with traveling wheel, row of the motor to traveling wheel in the moving flatcar
Offer power is sailed, motor connects external power supply by conducting wire.
The sub-truss forms entirety by welding by the different channel steel of length or I-steel, is installed on moving flatcar
On.
The formwork for placing includes superposed circular arc mould A and circular arc mould B, circular arc mould A and circular arc mould B positioned at lower part
Hinged by door-hinge, circular arc mould A is fixedly connected with sub-truss, and circular arc mould B is connect by being vertically connected with bar with moving flatcar；Such as
Shown in attached drawing, the engaging lug of upper connecting rod one end and moving flatcar is hinged, and the other end is connect with the top circular arc mould B；Lower connecting rod
One end is hinged with moving flatcar, and the other end is connect with the lower part circular arc mould B, when releasing is vertically connected with the connection of bar Yu circular arc mould B, circle
Arc mould B is bent inwards by door-hinge, when realizing demoulding trolley entire lowering, makes that falsework entire lowering is smooth, non-resistance,
It prevents B sections of circular arc mould to rub the lining cutting side wall of hangar tunnel, causes the damage of sidewall surfaces.
The moving flatcar is connect with hangar tunnel basis and hangar tunnel lining cutting stalk by several Horizontal limiting pull rods, level limit
Position pull rod is one kind of screw-thread steel, I-steel, channel steel or angle steel.The preformed hole when hangar tunnel lining cutting stalk pours, horizontal direction
Screw thread is arranged in the right end of Horizontal limiting pull rod, passes through hangar tunnel lining cutting stalk, is fastened at right end screw thread with threaded fastener, horizontal
Limit pull rod left end is connect with flatcar crossbeam, can weld, otic placode aperture can also be welded on flatcar crossbeam, is connected by threaded fastener
It connects；In casting, pre-buried slanting Horizontal limiting pull rod, Horizontal limiting pull rod is weldingly connected with trolley on boron hole basis；Work as trolley
When going to fixed position, by the anchorage effect of Horizontal limiting pull rod, prevent in die-filling, concreting, position occurs for trolley
It moves；When needing to remove Horizontal limiting pull rod, then threaded fastener is removed, unload the Horizontal limiting pull rod of horizontal direction, and cut
Break oblique Horizontal limiting pull rod.
Its construction method the following steps are included:
(1) processing component: the construction of hangar tunnel lining cutting arch presses drawing processing component with shifting formwork trolley, is transported to after trial assembly in processing factory
Construction site；
(2) track laying: left and right track centerline is indicated in survey crew's setting-out, and the line vertical tile sleeper released along measurement is wanted
Sleeper center is asked to match with surveying and locating；Sleeper carries out track installation after the completion of being laid with；Bracket walking uses double track form, often
Track is laid on the sleeper of side；Laying track is carried out along sleeper center line, track is attached in the form of fish platee matches bolt；
Make the preceding horizontal-associate and rear horizontal-associate of track structure using channel steel or I-steel in two rail ends；
(3) shifting formwork trolley is assembled: sub-truss carries out precast block in factory, and integral solder assembles after roping to scene, and with
Flatcar crossbeam, flatcar stringer are integral by bolt or welding, are divided into a section by longitudinal every certain length, are hoisted to using crane
On track；Spelling is carried out after cast template precast block at the scene, adjacent two pieces of cast templates are spliced using high-strength bolt,
Every piece of cast template is welded with sub-truss；It is assisted in template installation process using crane, artificial assistance fine tuning is protected
Demonstrate,prove the accuracy of template installation；In order to ensure the normal operation of rack template in concrete construction, after need to being installed to trolley
It is debugged.Main commissioning content, which is embraced, includes walking, stop, the bending of circular arc mould B and trolley landing etc.；
(4) die-filling: to be moved along by motor pushing trolley, until the position identified in advance；In trolley moving process, answer
It is steady to promote, pay attention to the stability of trolley, biggish thrust can not be used suddenly, prevent sub-truss from deforming；Trolley is moved to
Behind position, jack is installed below each jacking supporting leg；Very heavy top/bottom part setting supporting pad support pad is smooth, avoids the occurrence of jack
The case where inclination；Jack is installed and is checked without starting up to jack after any problem；The jacking speed of jack should be same
Step, slowly carries out according to the top lifting height calculated in advance；Height can be finely adjusted, until reaching design height；According to calculating
It determines branch points and is being arranged symmetrically support base on flatcar stringer bottom both sides, support seat structure is wedge block, husky cylinder, lifting support
It is one of；Horizontal limiting pull rod is installed, support base removes jack after the installation is completed.
(5) pour: construction personnel wears safety belt and carries out stuff up a crack to cast template bottom on the construction operation platform of template
Processing, stuff up a crack is complete and then carries out concreting, vibrates.
(6) demoulding: the concrete strength wait pour removes Horizontal limiting pull rod, then demoulding after reaching requirement, and dismounting is poured
When injection molded plate, flatcar crossbeam bottom first is extended to jack top, then removes the support base at flatcar stringer bottom, is unclamped and circular arc mould
The connecting rod of B connection, withdraws circular arc mould B, and jack bounces back synchronous entire lowering trolley, until traveling wheel falls into track, removes
Jack, trolley are moved along the construction for carrying out next segment.
(7) step (4) to (6) are repeated until entire hangar tunnel pours completion.
(8) trolley is removed by the opposite process of assembling sequence, classification collects arrangement, and entrucking is transported existing to the construction of next hangar tunnel
Field is recovered to equipment stacking field.
Possessed substantive distinguishing features outstanding and marked improvement are the present invention compared with the existing technology:
1, the present invention in trolley can realize overall movement, avoid conventional stent and template broken after the completion of pouring assemble again it is numerous
Trivial construction, energy continuous productive process, Flow Pace is relatively fixed, and the flowing water duration is controllable；Trolley consolidation is convenient and efficient, so as to
Larger raising construction speed, effectively shortens the construction period.
2, cast template and sub-truss of the present invention form a firm entirety, can bear biggish load, be suitable for
More generous amount concrete pours, and safety coefficient is high, and construction safety can be effectively ensured；The hangar tunnel arch wall leveling constructed,
The defects of seam crossing trace is small, will not generate cellular cavity, effectively increases the waterproof effect of hangar tunnel.
3, the present invention in the construction process, does not need truck crane or the cooperation of other large automobile, can effectively reduce other machines
The use of tool, the expenditure of machinery cost have apparent reduction, substantially reduce equipment cost in construction；Various parts are easily purchased in trolley
It buys, easy processing, and recyclable disassembly uses, Yi Zhouzhuan, transition after the completion of construction to new construction point or is recovered to equipment
Stacking field is all the very conveniently not loss of material；During dress, demoulding, using hydraulic jack dress, tear open
Mould greatly reduces labor intensity without excessive investment manpower, reduces human cost.
Detailed description of the invention
Fig. 1 is the present invention in the structural schematic diagram in dismounting mould state；
Fig. 2 is partial enlarged view at I in Fig. 1；
Fig. 3 is partial enlarged view at II in Fig. 1；
Fig. 4 is the structural schematic diagram of the present invention when walking；
Fig. 5 is schematic perspective view of the present invention in dismounting mould state；
Component names and serial number in figure are as follows:
Track 1, support base 2, traveling wheel 3, flatcar stringer 4, motor 5, supporting pad 6, jack 7, flatcar crossbeam 8, sub-truss
9, circular arc mould A 10, hangar tunnel lining cutting arch 11, door-hinge 12, circular arc mould B 13, connecting rod A 14, connecting rod B 15, hangar tunnel lining cutting
Stalk 16, Horizontal limiting pull rod 17, hangar tunnel basis 18.
Specific embodiment
Embodiment 1
A kind of hangar tunnel lining cutting arch construction shifting formwork trolley, hangar tunnel includes the hangar tunnel lining cutting arch 11 on top, hangar tunnel lining cutting arch
11 lower sections connect hangar tunnel lining cutting stalk 16, and hangar tunnel basis 18 is connected below hangar tunnel lining cutting stalk 16, and hangar tunnel basis 18 is located at ground
Hereinafter, hangar tunnel lining cutting arch construction shifting formwork trolley includes formwork for placing, sub-truss 9, moving flatcar and rail assembly, pour
Template is fixedly connected on the working face of sub-truss, and sub-truss 9 is installed in moving flatcar；It is mobile flat in walking states
Vehicle is walked along being fixedly mounted on the rail assembly on ground, in die-filling, concreting, is installed between moving flatcar and ground
Jack 7, jack 7 are connect by fluid pressure line with hydraulic station, and husky cylinder support base is arranged between moving flatcar and ground
2；
The rail assembly includes two track 1, rear horizontal-associate and the preceding horizontal-associates being arranged side by side；The preceding horizontal-associate, rear horizontal-associate are pacified respectively
Front and back ends loaded on track 1；
The moving flatcar includes flatcar crossbeam 8, flatcar stringer 4 and walking component；Several flatcar crossbeams 8 and flatcar stringer 4 are taken
It connects and constitutes moving flatcar platform, traveling wheel 3 is installed on moving flatcar mesa base；
Motor 5 is installed, motor 5 is connect by deceleration device with traveling wheel 3 on the moving flatcar platform；
The sub-truss 9 forms entirety by welding by the different channel steel of length, is installed in moving flatcar；
The formwork for placing includes superposed circular arc mould A10 and circular arc mould B13, circular arc mould A10 and circular arc positioned at lower part
Mould B13 is hinged by door-hinge 12, and circular arc mould A10 is fixedly connected with sub-truss 9, and circular arc mould B13 passes through connecting rod 14/15 and branch
Truss 9 is supportted to connect；
The moving flatcar is connect with hangar tunnel basis 18 and hangar tunnel lining cutting stalk 16 by several Horizontal limiting pull rods 17, horizontal
Limit pull rod 17 is screw-thread steel.
Hangar tunnel lining cutting arch construction use shifting formwork trolley, construction method the following steps are included:
(1) processing component: the construction of hangar tunnel lining cutting arch presses drawing processing component with shifting formwork trolley, is transported to after trial assembly in processing factory
Construction site；
(2) track laying: left and right track centerline is indicated in setting-out, the line vertical tile sleeper released along measurement, it is desirable that in sleeper
The heart matches with surveying and locating；Sleeper carries out track installation after the completion of being laid with；Trolley, which is walked, uses double track form, on every side sleeper
It is laid with track；Laying track is carried out along sleeper center line；Make track structure using channel steel or I-steel in two rail ends
Preceding horizontal-associate and rear horizontal-associate；
(3) shifting formwork trolley is assembled: sub-truss carries out precast block in factory, and integral solder assembles after roping to scene, and with
Flatcar crossbeam, flatcar stringer are integral by bolt or welding, are divided into a section by longitudinal every certain length, are hoisted to using crane
On track；Spelling is carried out after cast template precast block at the scene, adjacent two pieces of cast templates are spliced using high-strength bolt,
Every piece of cast template is welded with sub-truss；
(4) die-filling: to be moved along by motor pushing trolley, until the position identified in advance；After trolley movement in place, every
Jack is installed below a jacking supporting leg；Very heavy top/bottom part setting supporting pad support pad is smooth；Jack installs and checks nothing
Start up to jack after any problem；Until reaching design height；Branch points are determined and at flatcar stringer bottom two according to calculating
While being arranged symmetrically support base, Horizontal limiting pull rod is installed, support base removes jack after the installation is completed；
(5) it pours: stuff up a crack processing being carried out to cast template bottom on construction operation platform, stuff up a crack is complete and then carries out coagulation
Soil pours, and vibrates；
(6) demoulding: the concrete strength wait pour removes Horizontal limiting pull rod after reaching requirement, and casting moulds are removed in then demoulding
When plate, flatcar crossbeam bottom first is extended to jack top, then removes the support base at flatcar stringer bottom, unclamps and connects with circular arc mould B
The connecting rod connect withdraws circular arc mould B, and jack, which bounces back, synchronizes entire lowering trolley, and until traveling wheel falls into track, dismounting is very heavy
Top, trolley are moved along the construction for carrying out next segment；
(7) step (4) to (6) are repeated until entire hangar tunnel pours completion；
(8) the process form removal trolley opposite by assembling sequence, classification collect arrangement, and entrucking is transported existing to the construction of next hangar tunnel
Field is recovered to equipment stacking field.
Embodiment 2
The difference from embodiment 1 is that: the support base 2 is wedge block；Sub-truss 9 passes through spiral shell by the different I-steel of length
Bolt fastener forms entirety；Horizontal limiting pull rod 17 is I-steel.
Embodiment 3
The difference from embodiment 1 is that: the Horizontal limiting pull rod 17 is channel steel.
Embodiment 4
The difference from embodiment 1 is that: the Horizontal limiting pull rod 17 is angle steel.
Claims (9)
1. a kind of hangar tunnel lining cutting arch construction shifting formwork trolley, hangar tunnel includes the hangar tunnel lining cutting arch (11) on top, hangar tunnel lining cutting
Hangar tunnel lining cutting stalk (16) are connected below arch (11), connection hangar tunnel is basic (18) below hangar tunnel lining cutting stalk (16), hangar tunnel base
Plinth (18) locates below ground level, it is characterised in that: hangar tunnel lining cutting arch construction shifting formwork trolley includes formwork for placing, sub-truss
(9), moving flatcar and rail assembly, formwork for placing are fixedly connected on the working face of sub-truss (9), sub-truss (9) installation
In in moving flatcar；In walking states, moving flatcar edge, which is fixedly mounted on the rail assembly on ground, walks, die-filling, mixed
When solidifying soil pours, jack (7) are installed between moving flatcar and ground, jack (7) is connect by fluid pressure line with hydraulic station,
And support base (2) are set between moving flatcar and ground.
2. hangar tunnel lining cutting according to claim 1 arch construction shifting formwork trolley, it is characterised in that: the support base (2)
For one kind of wedge block, husky cylinder or lifting support.
3. hangar tunnel lining cutting according to claim 1 arch construction shifting formwork trolley, it is characterised in that: the rail assembly packet
Include two track (1), rear horizontal-associate and the preceding horizontal-associates being arranged side by side；The preceding horizontal-associate, rear horizontal-associate be respectively arranged in track (1) before,
Rear end.
4. hangar tunnel lining cutting according to claim 1 arch construction shifting formwork trolley, it is characterised in that: the moving flatcar packet
Include flatcar crossbeam (8), flatcar stringer (4) and walking component；Several flatcar crossbeams (8) and flatcar stringer (4) overlap joint constitute movement
Flatcar platform, traveling wheel (3) are installed on moving flatcar mesa base.
5. hangar tunnel lining cutting according to claim 3 arch construction shifting formwork trolley, it is characterised in that: the moving flatcar is flat
Motor (5) are installed on platform, motor (5) is connect by deceleration device with traveling wheel (3).
6. hangar tunnel lining cutting according to claim 1 arch construction shifting formwork trolley, it is characterised in that: the sub-truss
(9) entirety is formed by welding by the different channel steel of length or I-steel, be installed in moving flatcar.
7. hangar tunnel lining cutting according to claim 1 arch construction shifting formwork trolley, it is characterised in that: the formwork for placing packet
Include superposed circular arc mould A(10) and circular arc mould B(13 positioned at lower part), circular arc mould A(10) and circular arc mould B(13) pass through door
Axis (12) hingedly, circular arc mould A(10) be fixedly connected with sub-truss, circular arc mould B(13) by connecting rod (14/15) and support purlin
Frame connection.
8. hangar tunnel lining cutting according to claim 1 arch construction use shifting formwork trolley, it is characterised in that: the moving flatcar with
Hangar tunnel basis (18) and hangar tunnel lining cutting stalk (16) are connected by several Horizontal limiting pull rods (17), Horizontal limiting pull rod (17)
For one kind of screw-thread steel, I-steel, channel steel or angle steel.
9. hangar tunnel lining cutting according to claim 1 arch construction use shifting formwork trolley, construction method the following steps are included:
(1) processing component: the construction of hangar tunnel lining cutting arch presses drawing processing component with shifting formwork trolley, is transported to after trial assembly in processing factory
Construction site；
(2) track laying: left and right track centerline is indicated in setting-out, the line vertical tile sleeper released along measurement, it is desirable that in sleeper
The heart matches with surveying and locating；Sleeper carries out track installation after the completion of being laid with；Trolley, which is walked, uses double track form, on every side sleeper
It is laid with track；Laying track is carried out along sleeper center line；Make track structure using channel steel or I-steel in two rail ends
Preceding horizontal-associate and rear horizontal-associate；
(3) shifting formwork trolley is assembled: sub-truss carries out precast block in factory, and integral solder assembles after roping to scene, and with
Flatcar crossbeam, flatcar stringer are integral by bolt or welding, are divided into a section by longitudinal every certain length, are hoisted to using crane
On track；Spelling is carried out after cast template precast block at the scene, adjacent two pieces of cast templates are spliced using high-strength bolt,
Every piece of cast template is welded with sub-truss；
(4) die-filling: to be moved along by motor pushing trolley, until the position identified in advance；After trolley movement in place, every
Jack is installed below a jacking supporting leg；Very heavy top/bottom part setting supporting pad support pad is smooth；Jack installs and checks nothing
Start up to jack after any problem；Until reaching design height；Branch points are determined and at flatcar stringer bottom two according to calculating
While being arranged symmetrically support base, Horizontal limiting pull rod is installed, support base removes jack after the installation is completed；
(5) it pours: stuff up a crack processing being carried out to cast template bottom on construction operation platform, stuff up a crack is complete and then carries out coagulation
Soil pours, and vibrates；
(6) demoulding: the concrete strength wait pour removes Horizontal limiting pull rod after reaching requirement, and casting moulds are removed in then demoulding
When plate, flatcar crossbeam bottom first is extended to jack top, then removes the support base at flatcar stringer bottom, unclamps and connects with circular arc mould B
The connecting rod connect withdraws circular arc mould B, and jack, which bounces back, synchronizes entire lowering trolley, and until traveling wheel falls into track, dismounting is very heavy
Top, trolley are moved along the construction for carrying out next segment；
(7) step (4) to (6) are repeated until entire hangar tunnel pours completion；
(8) the process form removal trolley opposite by assembling sequence, classification collect arrangement, and entrucking is transported existing to the construction of next hangar tunnel
Field is recovered to equipment stacking field.
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| CN111719436A (en) * | 2020-07-17 | 2020-09-29 | 温州市铁路与轨道交通投资集团有限公司 | Construction system and construction method for urban railway cast-in-place box girder support in soft foundation area |
| CN112943301A (en) * | 2021-02-05 | 2021-06-11 | 广西名嘉钢结构工程有限公司 | Shed tunnel construction bearing structure |
| CN113914897A (en) * | 2021-09-27 | 2022-01-11 | 中铁十四局集团建筑工程有限公司 | Movable vault secondary lining template rack and connection cavern rack moving structure |
| WO2022142193A1 (en) * | 2020-12-30 | 2022-07-07 | 中铁六局集团北京铁路建设有限公司 | Construction method for large-span thin-wall concrete sound barrier pouring trolley |
| CN115450656A (en) * | 2020-05-25 | 2022-12-09 | 保利长大海外工程有限公司 | Lining trolley turnover method for underground space engineering |
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| CN113914897A (en) * | 2021-09-27 | 2022-01-11 | 中铁十四局集团建筑工程有限公司 | Movable vault secondary lining template rack and connection cavern rack moving structure |
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