CN106284094A - A kind of bridge construction concrete adhesion type prestressed girder support - Google Patents
A kind of bridge construction concrete adhesion type prestressed girder support Download PDFInfo
- Publication number
- CN106284094A CN106284094A CN201610828283.8A CN201610828283A CN106284094A CN 106284094 A CN106284094 A CN 106284094A CN 201610828283 A CN201610828283 A CN 201610828283A CN 106284094 A CN106284094 A CN 106284094A
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- Prior art keywords
- plate
- fastener inserts
- buried
- assembly
- tripod
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of bridge construction concrete adhesion type prestressed girder support, the present invention relates to technical field of bridge construction;One end of four identical upper fastener inserts is embedded in the top of two concrete pier bases the most in advance, one end of four identical lower fastener inserts is embedded in the bottom of two concrete pier bases the most in advance, the tripod assembly upper one end that the other end of four identical upper fastener inserts utilizes pin identical with four respectively is connected, the tripod assembly lower end that the other end of four identical lower fastener inserts is identical with four respectively is connected, the lower end of four ends of two identical lower boom assemblies and four identical tripod assemblies connects, four ends of two identical vertical connecting assemblies and four identical tripod assembly top other ends connect.Overcome linear deformation under support outer load effect and produce to bridge pier, the active force of platform, it is ensured that bridge pier, abutment safety, after saving pre-pressing bracket, secondary adjusts the operation of height simultaneously.
Description
Technical field
The present invention relates to technical field of bridge construction, be specifically related to a kind of bridge construction concrete adhesion type prestressed girder
Support.
Background technology
At present, China railways, highway and urban traffic engineering are greatly developed, and bridge structure is traffic engineering primary structure
Thing.In bridge, cast-in-situ concrete beam, bent cap and binder are essential engineering projects.Complete this project concrete to water
Building construction bracket is a requisite subitem equally.Possesses support rational in infrastructure, that economy, form are simple, easily operated
It is to ensure that construction quality, increases benefit, the key problem in technology of reduction of erection time.Existing support mainly has steel pipe full hall support, framed bent to face
Time pier beam type support, it is big generally to there is material usage in them, and original ground processes complexity, secondary adjusting pole difficulty, labor after precompressed
The defects such as power puts into many, long in time limit, quality assurance difference.If meeting high pier, and need across petroleum pipeline, water supply and sewerage pipeline,
The situations such as heat supply pipeline, national defence optical cable, river, ground and existing highway, railway, drawback more manifests.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of simple in construction, reasonable in design, make
With convenient bridge construction concrete adhesion type prestressed girder support, linear deformation under support outer load effect is overcome to produce
Raw to bridge pier, the active force of platform, it is ensured that bridge pier, abutment safety, after saving pre-pressing bracket, secondary adjusts the operation of height simultaneously.
For achieving the above object, the technical solution used in the present invention is: it comprises two concrete pier bases;It also comprises four
Individual identical upper fastener inserts, four identical lower fastener inserts, four identical tripod assemblies, two identical lower booms
Assembly and two identical vertical connecting assemblies;One end of four identical upper fastener inserts is embedded in two concrete piers the most in advance
The top of platform, one end of four identical lower fastener inserts is embedded in the bottom of two concrete pier bases the most in advance, and four identical
The tripod assembly upper one end that the other end of upper fastener inserts utilizes pin identical with four respectively is connected, under four identical
The tripod assembly lower end that the other end of fastener inserts is identical with four respectively is connected, four ends of two identical lower boom assemblies
The lower end of the tripod assembly identical with four is connected, four ends of two identical vertical connecting assemblies and four identical triangles
The frame assembly top other end connects;The lower end of four described identical tripod assemblies and four identical lower fastener inserts
The other end is slidably connected;Described tripod assembly, vertical connecting assembly constitute a unit system with lower boom assembly;Described
Upper fastener inserts include two blocks of upper pre-buried side plates;The one end side of upper pre-buried side plate is welded with removable pin orifice plate, and two pieces upper pre-
Burying and be welded with pre-buried dividing plate on polylith between side plate, one end of removable pin orifice plate is provided with elliptical aperture;Described lower fastener inserts bag
Include pre-buried side plate under two pieces;The upper weld of pre-buried side plate pre-buried top board, welding between pre-buried side plate under two pieces under having under two pieces
Pre-buried dividing plate under having;Described tripod assembly includes horizon bar, middle brace, limit brace, limiting plate, horizontal fagging, vertically supports
Plate and backing plate;One end of horizon bar is provided with horizon bar arrangement connecting hole, and its other end is provided with horizon bar connecting hole;In described tiltedly
The upper end of bar and limit brace is all welded in the bottom of horizon bar, and middle brace is all welded on backing plate with the lower end of limit brace;Two pieces
The first half of limiting plate is welded on the lower end side of middle brace and limit brace;Described horizontal fagging and vertical fagging level respectively
To be vertically welded on the outside of limiting plate, vertical fagging is provided with fagging hole;Described vertical connecting assembly includes two pressures
Bar, the two ends of depression bar are welded with clamping plate, and clamping plate are provided with clamping plate connecting hole, are welded with polylith batten plate between two depression bars;Described
Lower boom assembly include two chord members, anchor bolt and anchor plate;The two ends of described chord member are provided with anchor plate, the two ends of chord member
It is connected with anchor bolt thread after anchor plate.
Further, described horizon bar is made up of two shape steel plates and several connecting plates, welds between two shape steel plates
It is connected to polylith connecting plate;Described middle brace, limit brace are identical with the structure of horizon bar.
Further, the spelling prescription method of described unit system is as follows: arrange with horizon bar through clamping plate connecting hole with bolt
Row connecting hole, is connected fixing to vertical connecting assembly and tripod assembly, and the two ends of two chord members are through the support of tripod assembly
After plate hole, then threadeding with anchor plate and anchor bolt, the i.e. two ends of chord member utilize anchor plate and anchor to be bolted to vertically
On fagging.
The construction process of the present invention is as follows: pre-buried side plate under the upper pre-buried side plate of upper fastener inserts and lower fastener inserts
In the Transducers Embedded in Concrete pier the most in advance of one end;After pin passes the elliptical aperture in removable pin orifice plate and horizon bar connecting hole, will be single
Unit's system is fixing with upper fastener inserts to be connected;The backing plate of tripod assembly is with pre-buried top board slidingtype under lower fastener inserts even
Connect, i.e. in lower fastener inserts under the end face coating butter of pre-buried top board, then the backing plate in tripod assembly is placed on down
Under in fastener inserts on pre-buried Roof yellowish complexion oil reservoir, by the bottom of the limiting plate in tripod assembly under pre-buried group
The both sides of pre-buried side plate be provided with gap under part;It is provided with gap between limiting plate and pier concrete.
After using said structure, present invention have the beneficial effect that
1, overcome linear deformation under support outer load effect and produce to bridge pier, the active force of platform, it is ensured that bridge pier, bridge
Platform safety;
2, in an installation through in lower boom assembly high tensile reinforcement make chord member carry out stretch-draw make structure create arch become
Shape thus meet the camber that design requires, eliminate secondary after pre-pressing bracket and adjust the operation of height;
3, population structure is the girder system being made up of triangular unit, makes rod member stress simple, understands, given full play to each rod member
The performance of material.
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 embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is overall structure front view of the present invention;
Fig. 2 is Fig. 1's-Sectional view;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the front view of lower fastener inserts;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the top view of Fig. 4;
Fig. 7 is the front view of upper fastener inserts;
Fig. 8 is the side view of Fig. 7 figure;
Fig. 9 is the top view of Fig. 7;
Figure 10 is the front view of tripod assembly;
Figure 11 is the side view of Figure 10;
Figure 12 is Figure 10 top view;
Figure 13 is longitudinally connected bar component drawings front view;
Figure 14 is the side view of Figure 13;
Figure 15 is the top view of Figure 13;
Figure 16 is lower boom component drawings front view;
Figure 17 is the side view of Figure 16;
Figure 18 is the top view of Figure 16;
Figure 19 is the front view of unit system;
Figure 20 is the side view of Figure 19;
Figure 21 is the top view of Figure 19.
In figure: fastener inserts on 1, pre-buried side plate on 101,102 removable pin orifice plates, pre-buried dividing plate on 103,
104 elliptical apertures, 2 times fastener inserts, 201 times pre-buried side plates, 202 times pre-buried top boards, 203 times pre-buried dividing plates, 3
Tripod assembly, 301 horizon bars, brace in 302,303 limit braces, 304 limiting plates, 305 horizontal faggings,
306 vertical faggings, 307 connecting plates, 308 backing plates, 309 shape steel plates, 310 horizon bar arrangement connecting hole, 311 water
Flat lever attachment hole, 312 fagging holes, 4 lower boom assemblies, 401 chord members, 402 anchor bolts, 403 anchor plates, 5 indulge
Mono-to connecting assembly, 501 depression bars, 502 clamping plate, 503 batten plates, 504 clamping plate connecting holes, 6 concrete pier bases, A
Unit's system.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.
Referring to as shown in Fig. 1-Figure 21, this detailed description of the invention the technical scheme is that it comprises two concrete piers
Platform 6;It also comprises four identical 2, four identical tripod assemblies of lower fastener inserts of identical upper fastener inserts 1, four
3, the vertical connecting assembly 5 that two identical lower boom assemblies 4 are identical with two;One end of four identical upper fastener inserts 1
Being embedded in the top of two concrete pier bases 6 the most in advance, one end of four identical lower fastener inserts 2 is embedded in two coagulations the most in advance
The bottom of knoll platform 6, the other end of four identical upper fastener inserts 1 utilizes the tripod assembly that pin is identical with four respectively
3 upper one end connect, and tripod assembly 3 lower end that the other end of four identical lower fastener inserts 2 is identical with four respectively connects
Connecing, the lower end of four ends of two identical lower boom assemblies 4 and four identical tripod assemblies 3 connects, two identical indulging
The tripod assembly 3 top other end identical to four ends and four that connect assembly 5 connects;Four described identical tripods
The other end of the lower fastener inserts 2 that the lower end of assembly 3 is identical with four is slidably connected;Described tripod assembly 3, longitudinally connected
Assembly 5 and lower boom assembly 4 constitute a unit system A;Described upper fastener inserts 1 includes two blocks of upper pre-buried side plates 101;On
The one end side of pre-buried side plate is welded with removable pin orifice plate 102, be welded with between two blocks of upper pre-buried side plates 101 on polylith pre-buried every
Plate 103, one end of removable pin orifice plate 102 is provided with elliptical aperture 104;Described upper pre-buried side plate 101, upper pre-buried removable orifice plate 102
It is made by steel plate with upper pre-buried dividing plate 103;Described lower fastener inserts 2 includes pre-buried side plate 201 under two pieces;Under two pieces
The upper weld of pre-buried side plate 201 is pre-buried top board 202 under having, and is welded with down pre-buried dividing plate under two pieces between pre-buried side plate 201
203;Pre-buried side plate 201 under described, under pre-buried top board 202 with under pre-buried dividing plate 203 be made by steel plate;Described three
Corner bracket assembly 3 includes horizon bar 301, middle brace 302, limit brace 303, limiting plate 304, horizontal fagging 305, vertical fagging 306
With backing plate 308;One end of horizon bar 301 is provided with horizon bar arrangement connecting hole 310, and its other end is provided with horizon bar connecting hole 311;
Described middle brace 302 and the upper end of limit brace 303 are all welded in the bottom of horizon bar 301, middle brace 302 and limit brace 303
Lower end be all welded on backing plate 308;The first half of two pieces of limiting plates 304 is welded on the lower end of middle brace 302 and limit brace 303
Side;Described horizontal fagging 305 and vertical fagging 306 level respectively to and be vertically welded on the outside of limiting plate 304, vertically
Fagging 306 is provided with fagging hole 312;Described limiting plate 304, horizontal fagging 305, vertical fagging 306, connecting plate 307 and pad
Plate 308 is made by steel plate;Described vertical connecting assembly 5 includes two depression bars 501, and the two ends of depression bar 501 are welded with
Clamping plate 502, clamping plate 502 are provided with clamping plate connecting hole 504, are welded with polylith batten plate 503 between two depression bars 501;Described pressure
Bar 501 is formed by section steel manufacture;Described clamping plate 502 are made by steel plate with batten plate 503;Described lower boom assembly 4
Including two chord members 401, anchor bolt 402 and anchor plate 403;The two ends of described chord member 401 are provided with anchor plate 403, chord member 401
Two ends through threadeding with anchor bolt 402 after anchor plate 403;Described chord member 401 is by factory's standard fining twisted steel system
Make;Described anchor plate 403 is made by steel plate.
Further, described horizon bar 301, middle brace 302 are identical with the structure of limit brace 303, (with horizon bar 301
As a example by) described in horizon bar 301 be made up of two shape steel plates 309 and several connecting plates 307, weld between two shape steel plates 309
It is connected to polylith connecting plate 307.
Further, the spelling prescription method of described unit system A is as follows: with bolt through clamping plate connecting hole 504 and level
Bar arrangement connecting hole 310, is connected fixing with tripod assembly 3 for vertical connecting assembly 5, and the two ends of two chord members 401 pass three
Behind the fagging hole 312 of corner bracket assembly, then the two ends of threadeding with anchor plate 403 and anchor bolt 402, i.e. chord member 401 utilize
Anchor plate 403 and anchor bolt 402 are connected on vertical fagging 306.
The construction process of this detailed description of the invention is as follows: the upper pre-buried side plate 101 of upper fastener inserts 1 and lower fastener inserts 2
Under pre-buried side plate 201 one end Transducers Embedded in Concrete pier 6 the most in advance in;Pin is through the elliptical aperture in removable pin orifice plate 102
104 and horizon bar connecting hole 311 after, be connected fixing with upper fastener inserts 1 for unit system A;The backing plate 308 of tripod assembly 3
Be connected with 2 times pre-buried top board 202 slidingtypes of lower fastener inserts, i.e. in lower fastener inserts 2 under the end face of pre-buried top board 202
Coating butter, more pre-buried top board 202 end face butter under the backing plate 308 in tripod assembly 3 is placed in lower fastener inserts 2
On layer, by the bottom of the limiting plate 304 in tripod assembly 3 in the both sides of 2 times pre-buried side plates 201 of lower fastener inserts also
It is provided with gap;It is provided with gap between limiting plate 304 and pier concrete 6.
After using said structure, it is longitudinal that this detailed description of the invention has the beneficial effect that it overcomes under support outer load effect
Deformation and produce to bridge pier, the active force of platform, it is ensured that bridge pier, abutment safety, save secondary after pre-pressing bracket simultaneously and adjust height
The operation of degree.
Embodiment:
The present invention is applied in bent cap concreting support at Zhun Chi railway Shenchi County, Shanxi south grand bridge five;Pier shaft is high
Being 35~40m, bent cap length 25~30m, bent cap sectional dimension is that 3.2 × 3m, concrete and additional load weigh 780 tons, uses altogether
5 Pin adhesion type prestressed girder supports, Shan, capital gas piping crossed over by this bent cap.
The above, only in order to technical scheme to be described and unrestricted, those of ordinary skill in the art are to this
Other amendment or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
All should contain in the middle of scope of the presently claimed invention.
Claims (4)
1. a bridge construction concrete adhesion type prestressed girder support, it is characterised in that: it comprises two concrete pier bases;
It also comprises four identical upper fastener inserts, four identical lower fastener inserts, four identical tripod assemblies, two phases
With lower boom assembly and two identical vertical connecting assemblies;One end of four identical upper fastener inserts is embedded in two the most in advance
The top of individual concrete pier base, one end of four identical lower fastener inserts is embedded in the bottom of two concrete pier bases the most in advance,
The tripod assembly upper one end that the other end of four identical upper fastener inserts utilizes pin identical with four respectively is connected, and four
The tripod assembly lower end that the other end of individual identical lower fastener inserts is identical with four respectively is connected, two identical lower booms
The lower end of four ends of assembly and four identical tripod assemblies connects, four ends of two identical vertical connecting assemblies and four
The identical tripod assembly top other end connects;Under the lower end of four described identical tripod assemblies is identical with four
The other end of fastener inserts is slidably connected;Described tripod assembly, vertical connecting assembly constitute a list with lower boom assembly
Unit's system;Described upper fastener inserts includes two blocks of upper pre-buried side plates;The one end side of upper pre-buried side plate is welded with movable pin-and-hole
Plate, is welded with pre-buried dividing plate on polylith between two blocks of upper pre-buried side plates, and one end of removable pin orifice plate is provided with elliptical aperture;Under described
Fastener inserts includes pre-buried side plate under two pieces;The upper weld of pre-buried side plate pre-buried top board, pre-buried side under two pieces under having under two pieces
Pre-buried dividing plate it is welded with down between plate;Described tripod assembly includes horizon bar, middle brace, limit brace, limiting plate, horizontal brace
Plate, vertical fagging and backing plate;One end of horizon bar is provided with horizon bar arrangement connecting hole, and its other end is provided with horizon bar connecting hole;
The upper end of described middle brace and limit brace is all welded in the bottom of horizon bar, and middle brace is all welded in pad with the lower end of limit brace
On plate;The first half of two pieces of limiting plates is welded on the lower end side of middle brace and limit brace;Described horizontal fagging and vertical support
Plate level respectively to be vertically welded on the outside of limiting plate, vertical fagging is provided with fagging hole;Described vertical connecting assembly
Including two depression bars, the two ends of depression bar are welded with clamping plate, and clamping plate are provided with clamping plate connecting hole, are welded with polylith between two depression bars
Batten plate;Described lower boom assembly includes two chord members, anchor bolt and anchor plate;The two ends of described chord member are provided with anchor plate,
The two ends of chord member are connected with anchor bolt thread after anchor plate.
A kind of bridge construction concrete adhesion type prestressed girder support the most according to claim 1, it is characterised in that: institute
The horizon bar stated is made up of two shape steel plates and several connecting plates, is welded with polylith connecting plate between two shape steel plates;Described
Middle brace, limit brace identical with the structure of horizon bar.
A kind of bridge construction concrete adhesion type prestressed girder support the most according to claim 1, it is characterised in that: institute
The spelling prescription method of the unit system stated is as follows: arrange connecting hole through clamping plate connecting hole with horizon bar with bolt, by longitudinally connected
Assembly and tripod assembly are fixing to be connected, the two ends of two chord members through behind the fagging hole of tripod assembly, then with anchor plate and
Anchor bolt threaded, the i.e. two ends of chord member utilize anchor plate and anchor to be bolted on vertical fagging.
A kind of bridge construction concrete adhesion type prestressed girder support the most according to claim 1, it is characterised in that: it
Construction process as follows: under the upper pre-buried side plate of upper fastener inserts and lower fastener inserts, one end of pre-buried side plate is imbedded the most in advance
In concrete pier base;After pin passes the elliptical aperture in removable pin orifice plate and horizon bar connecting hole, unit system is pre-buried with upper
Assembly is fixing to be connected;The backing plate of tripod assembly is connected with pre-buried top board slidingtype under lower fastener inserts, i.e. under pre-buried group
The end face coating butter of pre-buried top board under in part, then the backing plate in tripod assembly is placed in lower fastener inserts lower pre-
Bury on Roof yellowish complexion oil reservoir, by the bottom of the limiting plate in tripod assembly pre-buried side plate under lower fastener inserts
Both sides are also provided with gap;It is provided with gap between limiting plate and pier concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610828283.8A CN106284094A (en) | 2016-09-18 | 2016-09-18 | A kind of bridge construction concrete adhesion type prestressed girder support |
Applications Claiming Priority (1)
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CN201610828283.8A CN106284094A (en) | 2016-09-18 | 2016-09-18 | A kind of bridge construction concrete adhesion type prestressed girder support |
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CN201610828283.8A Pending CN106284094A (en) | 2016-09-18 | 2016-09-18 | A kind of bridge construction concrete adhesion type prestressed girder support |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108643047A (en) * | 2018-05-18 | 2018-10-12 | 中铁十六局集团第四工程有限公司 | A kind of lower support built-in fitting of large bridge bracket |
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JPH11158812A (en) * | 1997-12-01 | 1999-06-15 | Dps Bridge Works Co Ltd | Hollow floor slab bridge and construction thereof |
CN101353912A (en) * | 2008-08-28 | 2009-01-28 | 温州建设集团公司 | Construction method of structure conversion layer concrete girder steel bracket formwork support |
CN201648977U (en) * | 2010-04-28 | 2010-11-24 | 中铁三局集团有限公司 | Slant legged rigid frame bracket system of cast-in-place prestressed concrete continuous beam at bridge site |
CN103628416A (en) * | 2013-12-18 | 2014-03-12 | 中铁大桥局股份有限公司 | Stiffening girder counter-straining near-pier bracket of suspension bridge |
CN204475179U (en) * | 2014-11-25 | 2015-07-15 | 中铁二十一局集团有限公司 | Bridge construction Cast-in-situ Beam, bent cap, binder concrete attaching prestressed girder support |
CN105648911A (en) * | 2014-11-25 | 2016-06-08 | 中铁二十局集团有限公司 | Concrete attached type prestress truss support for cast-in-place beam, cover beam and straining beam in bridge construction |
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2016
- 2016-09-18 CN CN201610828283.8A patent/CN106284094A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11158812A (en) * | 1997-12-01 | 1999-06-15 | Dps Bridge Works Co Ltd | Hollow floor slab bridge and construction thereof |
CN101353912A (en) * | 2008-08-28 | 2009-01-28 | 温州建设集团公司 | Construction method of structure conversion layer concrete girder steel bracket formwork support |
CN201648977U (en) * | 2010-04-28 | 2010-11-24 | 中铁三局集团有限公司 | Slant legged rigid frame bracket system of cast-in-place prestressed concrete continuous beam at bridge site |
CN103628416A (en) * | 2013-12-18 | 2014-03-12 | 中铁大桥局股份有限公司 | Stiffening girder counter-straining near-pier bracket of suspension bridge |
CN204475179U (en) * | 2014-11-25 | 2015-07-15 | 中铁二十一局集团有限公司 | Bridge construction Cast-in-situ Beam, bent cap, binder concrete attaching prestressed girder support |
CN105648911A (en) * | 2014-11-25 | 2016-06-08 | 中铁二十局集团有限公司 | Concrete attached type prestress truss support for cast-in-place beam, cover beam and straining beam in bridge construction |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108643047A (en) * | 2018-05-18 | 2018-10-12 | 中铁十六局集团第四工程有限公司 | A kind of lower support built-in fitting of large bridge bracket |
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