CN113235438A - Pouring construction tool and construction method for steel-concrete composite beam bridge deck - Google Patents
Pouring construction tool and construction method for steel-concrete composite beam bridge deck Download PDFInfo
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- CN113235438A CN113235438A CN202110542331.8A CN202110542331A CN113235438A CN 113235438 A CN113235438 A CN 113235438A CN 202110542331 A CN202110542331 A CN 202110542331A CN 113235438 A CN113235438 A CN 113235438A
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- 238000010276 construction Methods 0.000 title claims abstract description 63
- 239000004567 concrete Substances 0.000 title claims abstract description 45
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 70
- 239000010959 steel Substances 0.000 claims description 70
- 238000009826 distribution Methods 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000011374 ultra-high-performance concrete Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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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- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a steel-concrete composite beam bridge deck slab pouring construction tool and a construction method. Through the use of this frock, realized that security, the convenience of steel-concrete composite beam decking pour, reduced construction safety risk, improved the efficiency of construction. The construction tool has the characteristics of reasonable design, simple structure, convenience in mounting and dismounting, safety, reliability, capability of being repeatedly transferred to a field for use and resource saving.
Description
Technical Field
The invention relates to the field of bridge deck slab pouring construction, in particular to a steel-concrete composite beam bridge deck slab pouring construction tool and a construction method.
Background
The bridge construction often appears the fly-over with existing road, receives the road traffic influence, is not suitable for setting up the support and carries out cast in situ concrete roof beam body construction, and the steel-concrete composite beam becomes the main structure form who solves this problem. The bridge deck is used as a structural layer between steel of the steel-concrete composite beam and a bridge deck roadway, the construction quality of the bridge deck greatly restricts the construction quality and the construction speed of an upper structure and a bridge deck system of a bridge, and the existing pouring method of the bridge deck of the steel-concrete composite beam has the problems of potential safety hazards, high construction quality and low construction efficiency.
The invention discloses a UHPC-ordinary concrete laminated composite bridge deck structure and a construction method thereof, which are disclosed by CN106638304A, and the structure comprises a UHPC precast slab, horizontal embedded steel bars, U-shaped vertical embedded steel bars, laminated cast-in-place concrete, longitudinal and transverse integrated steel bar nets, wet joint belt concrete and steel beam flange plate shear nails; the steel beam flange plate shear nails are welded on the flange plate surface of the steel beam, the UHPC precast slabs are supported on the flange plate of the steel beam, and the adjacent UHPC precast slabs are horizontally overlapped with the embedded steel bars; and longitudinal and transverse integral reinforcing meshes are arranged on the flange plates of the steel beams and the UHPC precast slabs, laminated cast-in-place concrete is poured, and wet joint belt concrete is poured between the UHPC precast slabs. The template construction safety hidden danger of the beam bridge deck slab pouring is large, the construction quality is poor, and the construction efficiency is low.
The invention discloses a movable hanger and a method for cast-in-place construction of a small cross beam, a small longitudinal beam and a bridge deck of an arch bridge, which are disclosed by the invention in Chinese patent CN 104631333A. The whole construction is comparatively complicated, and the later stage dismantles the gallows engineering volume greatly.
The invention discloses a fabricated steel plate composite beam bridge based on a steel-concrete composite bridge deck and a construction method thereof, the steel plate composite beam bridge comprises a main beam supporting structure consisting of a plurality of steel main beams and a plurality of steel-concrete composite bridge deck sections which are arranged on the main beam supporting structure from front to back, and the plurality of steel main beams are I-shaped steel main beams arranged along the longitudinal bridge direction; the reinforced concrete composite bridge deck sections comprise a plurality of reinforced concrete composite bridge deck units which are arranged from left to right, and longitudinal cast-in-place concrete structures are uniformly distributed right above the steel main beams; the construction method comprises the following steps: firstly, constructing a support structure at the lower part of a bridge; secondly, erecting and constructing a steel main beam; thirdly, installing the steel-concrete combined bridge deck slab sections; fourthly, longitudinally connecting reinforcing steel bars are arranged in a penetrating way; fifthly, pouring construction of the longitudinal cast-in-place concrete structure. The whole template is not easy to disassemble and the construction cost is high.
Disclosure of Invention
The invention mainly aims to provide a steel-concrete composite beam bridge deck pouring construction tool and a construction method, and solves the problems of high construction safety potential, poor construction quality and low construction efficiency of the steel-concrete composite beam bridge deck pouring method.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a construction frock is pour to steel-concrete composite beam decking, includes a plurality of crossbeams, connects through the connection roof beam between a plurality of crossbeams, and the crossbeam passes through the cushion and sets up on the steel box girder, and a plurality of jibs are established to the crossbeam, still is equipped with the square timber, and the square timber both sides are supported and are leaned on steel box girder steel one side, and the square timber hangs on the crossbeam through a plurality of jibs.
In the preferred scheme, the lower end of the suspender is provided with a distribution beam, the lower side surface of the square timber leans against the distribution beam, the lower end of the suspender is also provided with at least one second nut, the second nut is in threaded connection with the suspender, and the ground of the distribution beam leans against the second nut.
In the preferred scheme, the suspender penetrates through the cross beam, at least one first nut is arranged at the upper end of the suspender, the first nut is in threaded connection with the suspender, and the lower end face of the first nut abuts against the cross beam.
In the preferred scheme, a first wedge-shaped block is arranged between the distribution beam and the square timber.
In the preferred scheme, the crossbeam is the same with the distributive girder structure, and the distributive girder includes two first channel-section steels and the second channel-section steel that set up oppositely, leaves the clearance between first channel-section steel and the second channel-section steel, and the jib passes between first channel-section steel and the second channel-section steel, and first channel-section steel and second channel-section steel are connected through a plurality of lacing plates.
In the preferred scheme, a sleeve is further arranged on the hanging rod, one end of the sleeve abuts against the distribution beam, and the other end of the sleeve abuts against the cross beam.
In the preferred scheme, a second wedge-shaped block is arranged between the cushion block and the upper panel of the steel box girder, and the cushion block is welded or in screw locking connection with the upper panel of the steel box girder.
In the preferred scheme, the cushion includes base and supporting seat, is equipped with the storage tank on the base, and the supporting seat lower extreme sets up inside the storage tank.
In the preferred scheme, the lining plates on two sides of the storage tank are bent and bent on the concrete bridge deck.
The method comprises the following steps:
s1, processing a cushion block, performing anti-corrosion treatment on the cushion block, and manufacturing a second wedge block according to the bridge and culvert cross slope;
s2, welding the base of the cushion block on the steel panel on the steel box girder through a second wedge-shaped block, wherein the steel box girder and the base form a whole, and placing the supporting seat in the storage tank to ensure the height of the cushion block;
s3, processing a cross beam and a distribution beam, wherein the cross beam is welded on a supporting seat of a cushion block, a hanging rod is arranged at the same time, and a sleeve is sleeved on the hanging rod;
s4, mounting a distribution beam on the suspender, mounting a first wedge-shaped block on the distribution beam, placing a square timber on the distribution beam, and adjusting a first nut and a second nut to ensure the construction elevation of the square timber;
s5, dismantling the distribution beam, the square timber, the hanging rod and the cross beam after construction is completed, and dismantling the supporting seat;
and S6, cutting the part of the base of the cushion block extending out of the bridge deck, or smashing and bending the lining plates on the two sides of the storage groove by using a hammer, wherein the lining plates are bent and bent on the concrete bridge deck.
The invention provides a pouring construction tool and a pouring construction method for a bridge deck of a steel-concrete composite beam, which have the characteristics of reasonable design, simple structure, convenience in mounting and dismounting, safety, reliability and capability of being repeatedly used in a transition, and resources are saved. Through the use of this frock, realized that security, the convenience of steel-concrete composite beam decking pour, reduced construction safety risk, improved the efficiency of construction. The construction tool has the characteristics of reasonable design, simple structure, convenience in mounting and dismounting, safety, reliability, capability of being repeatedly transferred to a field for use and resource saving. Through the use of this frock, realized that security, the convenience of steel-concrete composite beam decking pour, reduced construction safety risk, improved the efficiency of construction.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a general construction configuration of the present invention;
FIG. 2 is a left side view structural diagram of the construction tool of the present invention;
FIG. 3 is a view of the boom mounting structure of the present invention;
FIG. 4 is a block mounting configuration of the present invention;
FIG. 5 is a view of the base plate processing configuration of the present invention;
FIG. 6 is a front view of the distributor beam of the present invention;
FIG. 7 is a top view of the distributor beam of the present invention;
in the figure: a cross beam 1; a suspender 2; a first nut 201; a second nut 202; 3, square timber; a distribution beam 4; a first channel steel 401; a second channel steel 402; a gusset plate 403; a cushion block 5; a base 501; a support base 502; a storage tank 503; a steel box girder 6; a tie beam 7; a first wedge block 8; a second wedge block 9; a sleeve 10.
Detailed Description
Example 1
As shown in fig. 1-7, a construction frock is pour to steel-concrete composite beam decking, including a plurality of crossbeams 1, connect through connecting beam 7 between a plurality of crossbeams 1, crossbeam 1 passes through the cushion 5 and sets up on steel box girder 6, and crossbeam 1 establishes a plurality of jibs 2, still is equipped with square timber 3, and 3 both sides of square timber are supported and are leaned on 6 girder steel one sides of steel box girder, and square timber 3 hangs on crossbeam 1 through a plurality of jibs 2. Processing cushion 5 carries out anticorrosive treatment to cushion 5 to according to first wedge 8 of bridge and culvert cross slope preparation, processing crossbeam 1 and distributive girder 4, welding second wedge 9 and cushion 5, and weld it on steel box girder 6 as a whole, with crossbeam 1 welding on cushion 5, install jib 2 simultaneously, installation and fixed distributive girder 4, install first wedge 8 in proper order, square timber 5 and template and adjustment elevation, demolish the gallows after the construction is accomplished.
In the preferred scheme, the lower end of the suspender 2 is provided with a distribution beam 4, the lower side surface of the square timber 3 is abutted against the distribution beam 4, the lower end of the suspender 2 is also provided with at least one second nut 202, the second nut 202 is in threaded connection with the suspender 2, and the ground of the distribution beam 4 is abutted against the second nut 202. In the configuration shown in fig. 3, the second nut 202 is used to support the distribution beam 4, and the distribution beam 4 is used to support the square lumber 3.
In the preferred scheme, the suspender 2 penetrates through the beam 1, at least one first nut 201 is arranged at the upper end of the suspender 2, the first nut 201 is in threaded connection with the suspender 2, and the lower end face of the first nut 201 abuts against the beam 1. As shown in the structure of FIG. 3, a first nut 201 locks the hanger bar 2 on the cross beam 1, and simultaneously, the first nut 201 is rotated to adjust the elevation of the square timber 3.
In a preferable scheme, a first wedge-shaped block 8 is arranged between the distribution beam 4 and the square timber 3. The first wedge-shaped block 8 adjusts the inclined position of the square timber 3 and increases the contact area between the square timber 3 and the distribution beam 4.
In a preferable scheme, the beam 1 has the same structure as the distribution beam 4, the distribution beam 4 includes two first channel steel 401 and second channel steel 402 which are oppositely arranged, a gap is left between the first channel steel 401 and the second channel steel 402, the hanger rod 2 penetrates through the space between the first channel steel 401 and the second channel steel 402, and the first channel steel 401 and the second channel steel 402 are connected through a plurality of gusset plates 403. As shown in fig. 6 to 7, the first channel 401 and the second channel 402 form the cross beam 1 or the distribution beam 4 by the gusset plate 403, and can be reused.
Preferably, the suspension rod 2 is further provided with a sleeve 10, one end of the sleeve 10 abuts against the distribution beam 4, and the other end abuts against the cross beam 1. When the concrete is poured, the hanger rod 2 is convenient to take out and disassemble after the concrete is hardened.
In the preferred scheme, a second wedge-shaped block 9 is arranged between the cushion block 5 and the upper panel of the steel box girder 6, and the cushion block 5 is welded or in screw locking connection with the upper panel of the steel box girder 6. The second wedge-shaped block 9 adjusts the position between the steel box girder 6 and the cross beam 1.
In a preferred scheme, the cushion block 5 comprises a base 501 and a supporting seat 502, wherein a storage groove 503 is arranged on the base 501, and the lower end of the supporting seat 502 is arranged inside the storage groove 503. The liner panels on either side of the storage trough 503 are bent around the concrete deck. The structure shown in fig. 4-5 facilitates the disassembly of the support base 502 on the cushion block 5, and after the support base 502 is disassembled, the lining plate can be bent and pressed against the concrete bridge deck.
Example 2
Further explaining with reference to example 1, in the structure shown in fig. 1 to 7, S1, the pad 5 is processed, the pad 5 is subjected to corrosion prevention treatment, and the second wedge-shaped block 9 is manufactured according to the bridge and culvert cross slope.
The base 501 of the cushion block 5 is welded on the steel panel on the steel box girder 6 through the second wedge-shaped block 9, the steel box girder 6 and the base 501 form a whole, and the supporting base 502 is placed inside the storage groove 503 to ensure the height of the cushion block 5.
Processing a cross beam 1 and a distribution beam 4, welding the cross beam 1 on a supporting seat 502 of a cushion block 5, simultaneously installing a suspender 2, and sleeving a sleeve 10 on the suspender 2.
The hanger rod 2 is provided with a distribution beam 4, the distribution beam 4 is provided with a first wedge-shaped block 8, the square timber 3 is placed on the distribution beam 4, and the construction elevation of the square timber 3 is ensured by adjusting a first nut 201 and a second nut 202.
After the construction is completed, the distribution beam 4, the square timber 3, the hanger rods 2 and the cross beam 1 are removed, and the support base 502 is removed.
The part of the base 501 of the spacer 5 extending out of the bridge deck is cut or the lining plates on both sides of the storage groove 503 are hammered and bent by a hammer, and the lining plates are bent and bent on the concrete bridge deck.
The wireless transmission module that sets up in the heat-preserving container barrel head 1 can be with welder's information, the real-time temperature of heat-preserving container, welding rod use quantity and the quantity wireless transmission to the management terminal of retrieving the electrode head, the welding material administrator management of being convenient for. The method is beneficial to the realization and fine management of digitization.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a construction frock is pour to steel-concrete composite beam decking, characterized by: including a plurality of crossbeams (1), connect through linking roof beam (7) between a plurality of crossbeams (1), crossbeam (1) sets up on steel box girder (6) through cushion (5), and a plurality of jib (2) are established in crossbeam (1), still are equipped with square timber (3), and square timber (3) both sides are supported and are leaned on steel box girder (6) girder steel one side, and square timber (3) hang on crossbeam (1) through a plurality of jib (2).
2. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 1, characterized in that: the lower end of the suspender (2) is provided with a distribution beam (4), the lower side surface of the square timber (3) is abutted against the distribution beam (4), the lower end of the suspender (2) is further provided with at least one second nut (202), the second nut (202) is in threaded connection with the suspender (2), and the ground of the distribution beam (4) is abutted against the second nut (202).
3. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 2, characterized in that: the cross beam (1) is penetrated through the suspender (2), at least one first nut (201) is arranged at the upper end of the suspender (2), the first nut (201) is in threaded connection with the suspender (2), and the lower end face of the first nut (201) is abutted against the cross beam (1).
4. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 2, characterized in that: a first wedge-shaped block (8) is arranged between the distribution beam (4) and the square timber (3).
5. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 2, characterized in that: crossbeam (1) is the same with distributive girder (4) structure, and distributive girder (4) include two first channel-section steels (401) and second channel-section steel (402) that set up oppositely, leave the clearance between first channel-section steel (401) and second channel-section steel (402), jib (2) pass between first channel-section steel (401) and second channel-section steel (402), and first channel-section steel (401) and second channel-section steel (402) are connected through a plurality of lacing plates (403).
6. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 2, characterized in that: the hanger rod (2) is also provided with a sleeve (10), one end of the sleeve (10) is propped against the distribution beam (4), and the other end of the sleeve (10) is propped against the cross beam (1).
7. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 1, characterized in that: a second wedge-shaped block (9) is arranged between the cushion block (5) and the upper panel of the steel box girder (6), and the cushion block (5) is welded or in screw locking connection with the upper panel of the steel box girder (6).
8. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 1, characterized in that: the cushion block (5) comprises a base (501) and a supporting seat (502), a storage groove (503) is formed in the base (501), and the lower end of the supporting seat (502) is arranged inside the storage groove (503).
9. The steel-concrete composite beam bridge deck slab pouring construction tool according to claim 8, characterized in that: the lining plates on both sides of the storage groove (503) bend and bend on the concrete bridge deck.
10. The construction method of the steel-concrete composite beam bridge deck pouring construction tool according to any one of claims 1 to 9, characterized by comprising the following steps: the method comprises the following steps:
s1, processing a cushion block (5), performing anticorrosion treatment on the cushion block (5), and manufacturing a second wedge-shaped block (9) according to the bridge and culvert cross slope;
s2, welding a base (501) of the cushion block (5) on a steel panel on the steel box girder (6) through a second wedge-shaped block (9), integrating the steel box girder (6) and the base (501), and placing the supporting seat (502) in the storage tank (503) to ensure the height of the cushion block (5);
s3, processing a cross beam (1) and a distribution beam (4), wherein the cross beam (1) is welded on a supporting seat (502) of a cushion block (5), a hanging rod (2) is installed at the same time, and a sleeve (10) is sleeved on the hanging rod (2);
s4, installing a distribution beam (4) on the suspender (2), installing a first wedge-shaped block (8) on the distribution beam (4), placing a square timber (3) on the distribution beam (4), and ensuring the construction elevation of the square timber (3) by adjusting a first nut (201) and a second nut (202);
s5, after construction is completed, dismantling the distribution beam (4), the square timber (3), the hanger rods (2) and the cross beam (1), and dismantling the supporting seat (502);
and S6, cutting the part of the base (501) of the cushion block (5) extending out of the bridge deck, or bending the lining plates on the two sides of the storage groove (503) by using a hammer, wherein the lining plates are bent and bent on the concrete bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542331.8A CN113235438A (en) | 2021-05-18 | 2021-05-18 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110542331.8A CN113235438A (en) | 2021-05-18 | 2021-05-18 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
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| CN113235438A true CN113235438A (en) | 2021-08-10 |
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| CN202110542331.8A Pending CN113235438A (en) | 2021-05-18 | 2021-05-18 | Pouring construction tool and construction method for steel-concrete composite beam bridge deck |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
| CN114438889A (en) * | 2022-01-25 | 2022-05-06 | 中国十九冶集团有限公司 | Construction method for pouring cast-in-situ bridge deck between reinforced concrete composite beams |
| CN114541272A (en) * | 2022-03-31 | 2022-05-27 | 临沂市政集团有限公司 | Steel-concrete bridge deck structure for municipal construction and construction process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761571A (en) * | 2017-10-30 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
| CN207484300U (en) * | 2017-11-21 | 2018-06-12 | 中交二航局第二工程有限公司 | Steel box-girder flange plate cast-in-place formwork structure |
| CN111441244A (en) * | 2020-04-17 | 2020-07-24 | 中交二公局第二工程有限公司 | Steel-concrete composite beam concrete bridge deck construction support and construction method thereof |
| CN112064510A (en) * | 2020-09-08 | 2020-12-11 | 宁波市建设集团股份有限公司 | Cast-in-place decking assembled hangs mode structure |
| CN112411390A (en) * | 2020-11-30 | 2021-02-26 | 中交路桥建设有限公司 | Concrete bracket for bridge deck of steel-concrete composite beam and construction method thereof |
-
2021
- 2021-05-18 CN CN202110542331.8A patent/CN113235438A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761571A (en) * | 2017-10-30 | 2018-03-06 | 中铁二十四局集团安徽工程有限公司 | Needle beam combined steel plate beam bridge panel cast-in-place construction sliding form frame system and its application |
| CN207484300U (en) * | 2017-11-21 | 2018-06-12 | 中交二航局第二工程有限公司 | Steel box-girder flange plate cast-in-place formwork structure |
| CN111441244A (en) * | 2020-04-17 | 2020-07-24 | 中交二公局第二工程有限公司 | Steel-concrete composite beam concrete bridge deck construction support and construction method thereof |
| CN112064510A (en) * | 2020-09-08 | 2020-12-11 | 宁波市建设集团股份有限公司 | Cast-in-place decking assembled hangs mode structure |
| CN112411390A (en) * | 2020-11-30 | 2021-02-26 | 中交路桥建设有限公司 | Concrete bracket for bridge deck of steel-concrete composite beam and construction method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
| CN114232502B (en) * | 2022-01-18 | 2023-09-29 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding template truss and use method thereof |
| CN114438889A (en) * | 2022-01-25 | 2022-05-06 | 中国十九冶集团有限公司 | Construction method for pouring cast-in-situ bridge deck between reinforced concrete composite beams |
| CN114541272A (en) * | 2022-03-31 | 2022-05-27 | 临沂市政集团有限公司 | Steel-concrete bridge deck structure for municipal construction and construction process thereof |
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Application publication date: 20210810 |
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