CN105887672A - Expansion and contraction device with arch elastic connection function - Google Patents
Expansion and contraction device with arch elastic connection function Download PDFInfo
- Publication number
- CN105887672A CN105887672A CN201610436383.6A CN201610436383A CN105887672A CN 105887672 A CN105887672 A CN 105887672A CN 201610436383 A CN201610436383 A CN 201610436383A CN 105887672 A CN105887672 A CN 105887672A
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- China
- Prior art keywords
- adhesive tape
- elastic connection
- retractor device
- expansion joint
- connection plate
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a building expansion and retraction device, and provides an expansion and contraction device with an arch elastic connection function. The expansion and contraction device comprises two edge beams located on the two sides of an expansion joint and arranged oppositely, and further comprises a rubber strip which is clamped between the two edge beams and stretches across the expansion joint. At least one elastic connecting plate is further arranged below the rubber strip, the elastic connecting plates are sequentially arranged at intervals in the length direction parallel to the expansion joint and fixedly connected to the two edge beams through anchor bolts, and each elastic connecting plate stretches across the expansion joint and vertically supports the rubber strip. According to the expansion and retraction device, the rubber strip is adopted for waterproof sealing between the two edge beams, the elastic connecting plates located below the rubber strip are used for supporting the rubber strip, a certain reverse acting force can be provided for the rubber strip, the reliability of the rubber strip can be improved, and the rubber strip is not likely to disengage from the edge beams; besides, the elastic connecting plates can play a role similar to that of elastic connecting hinges, so that the left edge beam and the right edge beam bear force cooperatively, and the structural integrity of the expansion and retraction device is improved.
Description
Technical field
The present invention relates to bridge and other building retractor device, particularly relate to a kind of have arcuate resilient connect
Retractor device.
Background technology
Retractor device is the key position in bridge member, plays an important role in realizing bridge function.State
Family's standard " Standard for terms used in road engineering " (GBJ124-1988) and traffic industry standard " highway engineering noun
Structural term " definition of bridge extension joint is by (JTJ 002-87): for making vehicle smoothly pass bridge floor also
Meet the needs of bridge deck structure deformation, the general name of the device arranged at bridge floor variator.
At present, conventional bridge extension joint can be divided into according to system: 1. modulus bridge expansion device；
2. comb plate bridge expansion device, such as common comb plate bridge expansion device, modular multi-directional deflection fishback
Bridge extension joint, Modular comb plate type multidirectional-displacement bridge expansion device etc.." Expansion Units for Highway Bridges "
(JT/T 327-2004) formal classification by being equal in modular expansion device, less than 80mm again is for " different
Shape steel list stitches ".
Single seam type steel expansion device is most popular a kind of retractor device on current highway bridge, accounts for
All 80% of bridge extension joint consumption.The shaped steel that single seam bridge extension joint uses domestic hot-roll forming is
Main member, build-in water-proof sealing rubber strip is extrusome, and is equipped with anchor system.
By mounting groove wire feeding, conventional single seam type steel expansion device mainly has the most several:
1, be rigidly connected (Concrete Filled) single seam type steel expansion device
Single seam type steel expansion device that is rigidly connected mainly has c-type, F type, the common shaped steel type of 3 kinds of E type.
2, (resin or binding material are filled) single seam type steel expansion device is flexibly connected
When the anchorage zone of single seam type steel expansion device is due to the arrowhead deficiency of the reason such as structure, construction,
It is rigidly connected as used, owing to fill concrete is the weakest, tends not to reach intended anchoring strength,
It is susceptible to early damage, the most preferably uses the mode flexibly connected that retractor device is carried out anchor
Gu, the common BEJ of having resin adhesive type type steel expansion device and Betoflex flexibly connect formula type steel expansion device.
By the mounting groove degree of depth, standard buried depth and shallow overburden two kinds can be divided into, relevant to single seam anchoring system, front
Person uses the list seam of the rigidity anchoring of anchor slab and big annular dowel, and its mounting groove degree of depth, 25～30cm, is embedded in
In girder, the list seam of the elastic anchoring such as the latter's many employings peg, its fitting depth, at 15cm～16cm, is embedded in
During bridge is mated formation.
Single seam type steel expansion device uses the widest, and its force modes is relatively easy.Single seam shaped steel is stretched
For device, common damage-form has the most several:
1. anchorage zone concrete destruction
2. caulking gum band is the most aging, come off or rupture, and in fluid sealant, sanitary fill is too much, and impact is flexible
Function.
And cause sealing rubber strip to leak and the main cause destroyed is: the shape of sealing rubber strip and central sill and
The degree of lip-rounding of side bar steel is not mated；Due to the stone on road surface, the impurity such as silt enters and is deposited on caulking gum
In bar gap, rigidity large particulate matter is difficult to be extruded, and presses under wheel, owing to rubber strip is without support, and
And adhesive tape finite thickness, therefore, at stone, the impurity such as silt by under the extruding of wheel, rubber strip easily quilt
Puncture, or extruding force be excessive so that adhesive tape two ends bayonet socket is easily extruded and shakes off, thus cause rainwater,
Leak under dust, foreign material.
Summary of the invention
It is an object of the invention to provide a kind of retractor device with arcuate resilient connection, it is intended to be used for solving
The rubber strip of existing retractor device easily piles up stone silt etc., in turn results in adhesive tape and extrudes the problem come off.
The present invention is achieved in that
The embodiment of the present invention provides a kind of and has the retractor device that arcuate resilient connects, including being positioned at expansion joint two
Two side bars of side, two described side bars are oppositely arranged, also include being located between two described side bars and
Across the adhesive tape at described expansion joint, also set up at least one elastic connection plate, each institute in the lower section of described adhesive tape
State elastic connection plate and be spaced setting successively and crab-bolt is consolidated in two along being parallel to the length direction at described expansion joint
On described side bar, each described elastic connection plate is across described expansion joint and supports described adhesive tape.
Further, described elastic connection plate is bent into two shrapnel part being oppositely arranged, two described shell fragments
Enclose the arch formed horizontally toward, and bear against on two described side bars.
Further, described elastic connection plate has multiple, and adjacent two described elastic connection plates can set relatively
Put or opposing setting.
Further, described elastic connection plate has multiple, and each described elastic connection plate is arranged the most in the same direction.
Further, between described elastic connection plate and described adhesive tape, two slide plates it are folded with, described in two
Slide plate horizontal welding respectively is connected on two side bars, and two described slide plates are away from the end phase of corresponding described side bar
Overlapping mutually.
Specifically, the opposite face of side bar described in two being also provided with L-type plate, each described L-type plate is with right
Answer the U-type groove forming opening upwards between side bar, after two end bendings of described adhesive tape, be clamped in two respectively
In individual described U-type groove.
Further, each described side bar also has the top board extended to side bar another described, described top board position
In the surface of described U-type groove, the end sections of described adhesive tape is posted by the lower surface of corresponding described top board.
Further, between every one end and corresponding described top board of described adhesive tape, also it is arranged with reinforcing bar lock
Button.
Further, described adhesive tape indentation, there between corresponding two described top boards folds undulate repeatedly
Bending structure, and the summit of described waterproof adhesive tape is less than the upper surface of top board described in two.
Further, the bottom in each described side bar also have be horizontally placed on described expansion joint respective side mix
Base plate on solidifying soil.
The method have the advantages that
The retractor device of the present invention, adhesive tape is across expansion joint, and its both ends are then individually fixed in and to be oppositely arranged
On two side bars, below adhesive tape, it is provided with at least one elastic connection plate for it is carried out vertical support,
Being crab-bolt consolidation between each elastic connection plate and two side bars, it is not only able to so that retractor device is overall
Meet the deformation requirements at expansion joint, and similar and " elastic connecting hinge " effect can be played, make left and right
Two side bar 11 cooperative bearings, increase retractor device 1 structural integrity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the bridge that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the structural representation with the retractor device that arcuate resilient connects of the bridge of Fig. 1；
Fig. 3 is that the elastic connection plate with the retractor device that arcuate resilient connects of the bridge of Fig. 1 is arranged in the same direction
Time top view；
Fig. 4 is that the elastic connection plate with the retractor device that arcuate resilient connects of the bridge of Fig. 1 is adjacent dorsad
Top view during layout.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The all other embodiments obtained under property work premise, broadly fall into the scope of protection of the invention.
Seeing Fig. 1-Fig. 4, the embodiment of the present invention provides a kind of and has the retractor device 1 that arcuate resilient connects, bag
Including two side bars 11, side bar 11 is vertically built in the concrete of both sides, expansion joint 2, two side bars 11 it
Between for being oppositely arranged, be folded with adhesive tape 12 between two side bars 11, adhesive tape 12 is across expansion joint 2, flexible
Device 1 also includes at least one elastic connection plate 16 being positioned at below adhesive tape 12, each elastic connection plate 16
All can stretch in the horizontal direction, and along be parallel to each elastic connection plate of length direction 16 at expansion joint 2 successively between
Every setting, each elastic connection plate 16 is across expansion joint 2 and supports above-mentioned adhesive tape 12.What the present invention provided stretches
Compression apparatus 1 can be applicable in bridge expanssion joint 2, is formed and stretch between the most adjacent beam body 3 or abutment
Contracting seam 2, has poured fiber concrete 31 in beam body 3 or abutment at expansion joint 2, and on other ground
Fang Ze is equipped with asphalt concrete pavement, is installed on fiber concrete 31 by side bar 11, and its side is
Fiber concrete 31, opposite side is then expansion joint 2 and towards another side bar 11, and adhesive tape 12 is water proof rubber
Making, the surface that its both ends are oppositely arranged with two side bars 11 respectively is fitted and connected, owing to adhesive tape 12 is positioned at
The top at expansion joint 2, thus define the closure to expansion joint 2, rainwater, dust or other foreign material are equal
It is difficult to, by the 2 times leakages in expansion joint, be provided with at least one elastic connection plate 16 in the lower section of adhesive tape 12, pass through
Elastic connection plate 16 can be pointed to the adhesive tape 12 above it and play supporting role, each elastic connection plate 16
Two ends lay respectively at both sides and the crab-bolt consolidation respectively and between corresponding side bar 11 at expansion joint 2, and
Use crab-bolt consolidation can be conducive to elastic connection plate 16 stress, prevent fatigue rupture.Due to elastic connection plate
16 can stretch in the horizontal direction, it is possible to meet the deformation requirements at expansion joint 2, and it connects two side bars
11, similar and " elastic connecting hinge " effect can be played, make the right and left beam 11 cooperative bearing, increase
Retractor device 1 structural integrity, the adhesive tape 12 that elastic connection plate 16 can be square on which simultaneously produces vertically
Reaction force, can will in adhesive tape 12 pile up rubble extrusion two side bars 11 between, even if bigger
Under the effect of grinding pressure, adhesive tape 12 also will not be come off by side bar 11 easily.Base plate 13 and side bar 11 it
Between can weld, it is also possible to being formed in one and make, base plate 13 can increase side bar 11 and fiber concrete
Bearing area between 31, thus reduce the impact failure of installing zone concrete under vehicular impact load action.
Seeing Fig. 1, Fig. 3 and Fig. 4, the structure of refinement elastic connection plate 16, it is formed by flat plate buckling
Two shrapnel part 161 being oppositely arranged, two shell fragments enclose the arch formed horizontally toward, and bear against in
On two side bars 11.Elastic connection plate 16 is bow-shaped structural, and arched opening is towards expansion joint 2
Length bearing of trend, two shrapnel part 161 are all vertically arranged, respectively part fit in correspondence side bar 11
On, and carrying out crab-bolt consolidation with between corresponding side bar 11 respectively, it passes through two shrapnel part 161 along across stretching
The elasticity in contracting seam 2 directions is to meet the deformation requirements at expansion joint 2.Usually, each retractor device 1 all wraps
Included multiple elastic connection plate 16, and along the length direction at expansion joint 2 be positioned at the elastic connection plate 16 of centre with
Wherein an adjacent elastic connection plate 16 is oppositely arranged (the arched opening phase of two elastic connection plates 16
Right), (two the arched of elastic connection plate 16 open in the opposing setting of elastic connection plate 16 adjacent with another
Mouth mutually deviates from).Can certainly make the opening of each elastic connection plate 16 towards identical, each elastic connection plate
Distance between 16 is the most identical, and the most each elastic connection plate 16 is evenly arranged successively along the length direction at expansion joint 2.
Seeing Fig. 1 and Fig. 2, optimize above-described embodiment, each side bar 11 is respectively provided with and prolongs to another side bar 11
The slide plate 14 stretched, two slide plates 14 have part-structure overlapping in the end away from corresponding side bar 11, and
Two slide plates 14 are respectively positioned between adhesive tape 12 and each elastic connection plate 16.In the present embodiment, two slide plates 14
Between be superimposed with each other, formed overlap joint, to this when expansion joint 2 deforms, go up two slide plates 14 in the horizontal direction
Between can form relatively slip, i.e. both do not interfere with the dilatation at expansion joint 2, on the other hand, two
Individual slide plate 14 is positioned at the lower section of adhesive tape 12, and adhesive tape 12 can contact with both, or be separated by, but spacing
The least, adhesive tape 12 can be formed vertical supporting role by two slide plates 14.When adhesive tape 12 is subject to
Rubble extrudes, and two slide plates 14 can be that adhesive tape 12 provides reaction force, due to adhesive tape 12 bottom surface and side bar
Between 11 top boards, the degree of depth is shallower, so that rubble is taken out of with wheel rolling after the rolling of wheel, and then subtracts
The generation of lesser calorie stone phenomenon.By setting up slide plate 14, adhesive tape 12 between elastic connection plate 16 and adhesive tape 12
And can have bigger contact area between slide plate 14, and then can ensure that each elastic connection plate 16 is to glue
The supporting role force rate that bar 12 produces relatively equalizes.
See Fig. 2, optimize the structure of side bar 11 further, the opposite face between two side bars 11 is also respectively provided with
There is L-type plate 151, between each L-type plate 151 with corresponding side bar 11, form the U-type groove 15 of opening upwards,
Two ends of above-mentioned adhesive tape 12 stopper respectively in two U-type groove 15.For U-type groove 15, it is relative
The side height of side bar 11 is less, and the two ends of adhesive tape 12 have only to the bending carried out somewhat can stretch into correspondence
U-type groove 15 in, adhesive tape 12 and side bar 11 can be simplified by arranging U-type groove 15 on side bar 11
Between attachment structure, the end of adhesive tape 12 can stably be installed on corresponding side bar 11, uses simultaneously and opens
Mouth U-type groove 15 upwards, can strengthen the sealing property of attachment structure between adhesive tape 12 and side bar 11,
I.e. rainwater is difficult to be penetrated in expansion joint 2 by between adhesive tape 12 and side bar 11.
Continuing to optimize above-described embodiment, each side bar 11 also has the top board 111 extended to another side bar 11,
Each top board 111 is positioned at the surface of corresponding U-type groove 15, when the end of adhesive tape 12 is stretched into U-type groove 15
When being inside in clamping connection, the end of adhesive tape 12 has the lower surface laminating of part-structure and the top board 111 of respective side,
Such that it is able to avoid rainwater to enter between adhesive tape 12 and top board 111 in expansion joint 2, improve flexible further
The water resistance of device 1.(deleting part, the setting of top board is not configured to shorten the distance of side bar)
Refer again to Fig. 1 and Fig. 2, further, at every one end and the corresponding top board 111 of adhesive tape 12
Between be also arranged with reinforcing bar snap close 121.The end of adhesive tape 12 has part-structure and fits with top board 111, tool
Body is that adhesive tape 12 is fitted near the part-structure of side bar 11 with top board 111, and at top board 111 away from side bar
Do not contact between the end of 11 with adhesive tape 12, i.e. along the direction near side bar 11, top board 111 and adhesive tape
Forming the jaws that bore is tapered between 12, above-mentioned reinforcing bar snap close 121 is clamped in this jaws, and it can rise
Effect to clamping adhesive tape 12 so that the end of adhesive tape 12 will not be easily by abjection in U-type groove 15.Typically
Ground, each top board 111 is respectively positioned on the top of the side bar 11 of correspondence, and its upper surface is plane, itself and beam body 3
Or in the asphalt concrete pavement on abutment is generally aligned in the same plane, continuous print traffic carrying can be provided for driving
Face.
For said structure form, between two top boards 111, there is certain distance, form seam the most between the two
Gap, by adhesive tape 12 to should the position in gap fold, and the part undulate after folding is the most curved
Folded structure, and the summit of waveform repeatedly bending structure is less than the lower edge of two top boards 111.Waveform is repeatedly
Bending structure is so that adhesive tape 12 has preferable elasticity along the direction across expansion joint, so that adhesive tape
12 compare the main telescopic variation of traditional adhesive tape by vertically transferring to laterally, and this horizontal telescopic variation will not
Affect its stability connected, i.e. adhesive tape 12 will not be come off by between two side bars 11 easily, simultaneously because
The waveform of adhesive tape 12 repeatedly bending structure after folding, after on stone or silting to adhesive tape 12,
When expansion joint is shunk, the reaction force that produced by two slide plates 14 and can be by it under the effect of bulge-structure
On stone or silt by between two side bars 11 extrude, thus reach slagging-off purpose.
Refer again to Fig. 1 and Fig. 2, further, in the fiber concrete 31 of both sides, expansion joint 2 also
Being separately installed with anchor tie plate 17, two side bars 11 are respectively positioned between two anchor tie plate 17, and each side bar 11 is equal
It is fixed on the anchor tie plate 17 of correspondence.Anchor tie plate 17 is embedded in the fiber concrete 31 of respective side, with it
Corresponding side bar 11 can be formed fixing by the way of welding, and anchor tie plate 17 also has part-structure position
On the base plate 13 of respective side, also for welding between its with base plate 13, such that it is able to strengthen side bar 11 structure
Stability.Optimize above-described embodiment, be embedded with the most respectively in the fiber concrete 31 of both sides, expansion joint 2
Gantry type reinforcing bar 18, this gantry type reinforcing bar 18 extends to the lower section of the anchor tie plate 17 of respective side, and it is with right
Answer and weld between the anchor tie plate 17 of side.Being specially gantry type reinforcing bar 18 is quadra structure, and it is positioned at
The structure of lower section disconnects, and gantry type reinforcing bar 18 part is positioned at fiber concrete 31, also has part position
In beam body 3 or abutment, to this when installing gantry type reinforcing bar 18, should be in preparation beam body 3 or abutment
Time to be carried out part pre-buried so that the gantry type reinforcing bar 18 after An Zhuaning has stronger stability, and
Stablizing of two-sided welding, anchor tie plate 17 and side bar 11 is carried out between anchor tie plate 17 and gantry type reinforcing bar 18
Property can be further improved.Usually, in fiber concrete 31, also it is embedded with steel hoop 19,
Steel hoop 19 is horizontal-extending by the outside of the anchor tie plate 17 of respective side, i.e. the relative anchor of gantry type reinforcing bar 18 draws
Plate 17 is vertically extending, and steel hoop 19 is then horizontal-extending relative to anchor tie plate 17, by steel hoop 19
Weld with the gantry type reinforcing bar 18 of respective side, thus by the steel hoop 19 of the same side, gantry type reinforcing bar 18
And anchor tie plate 17 is connected as an entirety.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. there is the retractor device that arcuate resilient connects, including being positioned at two side bars of both sides, expansion joint,
Two described side bars are oppositely arranged, it is characterised in that: also include being located between two described side bars and horizontal stroke
Across the adhesive tape at described expansion joint, also set up at least one elastic connection plate in the lower section of described adhesive tape, each described
Elastic connection plate is spaced setting successively along the length direction being parallel to described expansion joint and crab-bolt is consolidated in two institutes
Stating on side bar, each described elastic connection plate is across described expansion joint and supports described adhesive tape.
There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: described
Elastic connection plate is bent into two shrapnel part being oppositely arranged, and two described shell fragments enclose and formed horizontally toward
Arch, and bear against on two described side bars.
There is retractor device that arcuate resilient connects the most as claimed in claim 2, it is characterised in that: described
Elastic connection plate has multiple, and adjacent two described elastic connection plates can be oppositely arranged or opposing setting.
There is retractor device that arcuate resilient connects the most as claimed in claim 2, it is characterised in that: described
Elastic connection plate has multiple, and each described elastic connection plate is arranged the most in the same direction.
There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: in institute
Stating and be folded with two slide plates between elastic connection plate and described adhesive tape, two described slide plate horizontal weldings respectively are connected to
On two side bars, two described slide plates are superimposed with each other away from the end of corresponding described side bar.
There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: two institutes
State and on the opposite face of side bar, be also provided with L-type plate, formed between each described L-type plate and corresponding side bar and open
Mouth U-type groove upwards, is clamped in two described U-type groove after two end bendings of described adhesive tape respectively.
There is retractor device that arcuate resilient connects the most as claimed in claim 6, it is characterised in that: each
Described side bar also has the top board extended to side bar another described, and described top board is positioned at just going up of described U-type groove
Side, the end sections of described adhesive tape is posted by the lower surface of corresponding described top board.
There is retractor device that arcuate resilient connects the most as claimed in claim 7, it is characterised in that: in institute
State and between every one end of adhesive tape and corresponding described top board, be also arranged with reinforcing bar snap close.
There is retractor device that arcuate resilient connects the most as claimed in claim 7, it is characterised in that: described
Adhesive tape indentation, there between corresponding two described top boards folds undulate repeatedly bending structure, and described anti-
The summit of glue bar is less than the upper surface of top board described in two.
There is retractor device that arcuate resilient connects the most as claimed in claim 1, it is characterised in that: in
The bottom of each described side bar also has the base plate being horizontally placed on the respective side concrete of described expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436383.6A CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436383.6A CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105887672A true CN105887672A (en) | 2016-08-24 |
| CN105887672B CN105887672B (en) | 2018-06-26 |
Family
ID=56730929
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610436383.6A Active CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320169A (en) * | 2016-08-25 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN110184907A (en) * | 2019-06-27 | 2019-08-30 | 李永君 | A kind of steel reinforced concrete combined road-bridge retractor device |
| CN110725197A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Beam end or bridge head concrete structure with embedded part embedded specially for expansion joint and its application |
| CN110725198A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Connecting mechanism of telescopic device |
| CN112699450A (en) * | 2021-01-13 | 2021-04-23 | 哈尔滨工业大学（深圳） | Method, device and equipment for screening key components of space steel structure |
| CN113718641A (en) * | 2021-08-20 | 2021-11-30 | 浙江数智交院科技股份有限公司 | Construction and maintenance method for expansion joint of perforated plate connecting piece |
| CN113882214A (en) * | 2021-09-17 | 2022-01-04 | 中冶南方城市建设工程技术有限公司 | Wave form mistake proofing platform anti-aging is telescoping device for continuous reinforced concrete pavement |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320169A (en) * | 2016-08-25 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN110184907A (en) * | 2019-06-27 | 2019-08-30 | 李永君 | A kind of steel reinforced concrete combined road-bridge retractor device |
| CN110184907B (en) * | 2019-06-27 | 2021-07-13 | 李永君 | Steel-concrete combined bridge expansion device |
| CN110725197A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Beam end or bridge head concrete structure with embedded part embedded specially for expansion joint and its application |
| CN110725198A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Connecting mechanism of telescopic device |
| CN112699450A (en) * | 2021-01-13 | 2021-04-23 | 哈尔滨工业大学（深圳） | Method, device and equipment for screening key components of space steel structure |
| CN112699450B (en) * | 2021-01-13 | 2023-04-18 | 哈尔滨工业大学（深圳） | Method, device and equipment for screening key components of space steel structure |
| CN113718641A (en) * | 2021-08-20 | 2021-11-30 | 浙江数智交院科技股份有限公司 | Construction and maintenance method for expansion joint of perforated plate connecting piece |
| CN113882214A (en) * | 2021-09-17 | 2022-01-04 | 中冶南方城市建设工程技术有限公司 | Wave form mistake proofing platform anti-aging is telescoping device for continuous reinforced concrete pavement |
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