CN113123249A - Cast-in-place box girder supporting structure using hoop combined support - Google Patents
Cast-in-place box girder supporting structure using hoop combined support Download PDFInfo
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- CN113123249A CN113123249A CN202110449374.1A CN202110449374A CN113123249A CN 113123249 A CN113123249 A CN 113123249A CN 202110449374 A CN202110449374 A CN 202110449374A CN 113123249 A CN113123249 A CN 113123249A
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- hoop
- support
- girder
- cast
- combination
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a cast-in-place box girder supporting structure utilizing a hoop combined support, which comprises a plurality of piers distributed in the transverse bridge direction and the longitudinal bridge direction, a hoop combined support bearing structure fixed on the piers, a longitudinal Bailey girder and a coil buckle support structure, wherein the hoop combined support bearing structure is arranged at two ends of a girder body and comprises a bearing hoop arranged at the upper part of the pier, a distribution beam arranged at the lower part of the pier, combined supports arranged at two sides of the pier and a middle tie beam arranged between the piers at the same end, the distribution beam is longitudinally arranged above the middle tie beam, the bearing hoop and the middle tie beam are jointly used as a stress structure, the longitudinal Bailey girder is arranged above the combined support along the longitudinal bridge direction, and the coil buckle support structure is arranged between the girder body and the longitudinal Bailey girder. The invention reduces the whole using amount of the bracket, effectively reduces the construction cost, and the bracket body structure takes the bolt as the connecting part, can be repeatedly disassembled and assembled and recycled, thereby avoiding the damage of the foundation treatment in the traditional cast-in-place box girder construction to the environment.
Description
Technical Field
The invention belongs to the technical field of cast-in-place box girder construction supports, and particularly relates to a cast-in-place box girder supporting structure utilizing a hoop combined support.
Background
In the traditional cast-in-place box girder construction, a full-hall bracket or a steel pipe bracket needs to be erected as a supporting system. Under the condition of high clearance under a cast-in-place box girder bridge, the safety and the economy of the full-space support structure are reduced; when crossing a river or a soft zone of a foundation, the steel pipe supporting columns are erected and the foundation is treated, so that the construction difficulty is high and the construction cost is high.
Disclosure of Invention
The invention provides a cast-in-place box girder supporting structure utilizing hoop combined brackets, which has the advantages of recyclable bracket body, better economy, effective cost saving and environmental protection.
The technical scheme of the invention is as follows: a cast-in-place box girder supporting structure utilizing a hoop combined support comprises a plurality of pier columns distributed in the transverse bridge direction and the longitudinal bridge direction, a hoop combined support bearing structure fixed on the pier columns, a longitudinal Bailey girder and a coil buckle support structure, wherein the hoop combined support bearing structure is arranged at two ends of a girder body and comprises a bearing hoop arranged at the upper part of the pier column, a distribution beam arranged at the lower part of the pier column, combined supports arranged at two sides of the pier column and a middle tie beam arranged between the pier columns at the same end, the middle tie beam is transversely arranged, the distribution beam is longitudinally arranged above the middle tie beam, the bearing hoop and the middle tie beam are jointly used as a stress structure, the longitudinal Bailey girder is arranged above the combined supports along the longitudinal bridge direction, and the coil buckle support structure is arranged between the girder body and the longitudinal Bailey girder.
The scheme is further, the sectional shelf-unit includes sectional shelf-unit floorbar, sectional shelf-unit bracing, sectional shelf-unit vertical braces, the horizontal girder of sectional shelf-unit, to drawing the fastener, the sectional shelf-unit floorbar sets up at the top both ends of distributive girder, sets up perpendicularly with the distributive girder, the horizontal girder of sectional shelf-unit horizontal girder is to setting up the top at the bearing staple bolt, the sectional shelf bracing slant sets up between the horizontal girder of sectional shelf-unit and sectional shelf-unit floorbar, the vertical setting of sectional shelf-unit vertical braces is between the horizontal girder of sectional shelf-unit and sectional shelf-unit floorbar, to drawing the fastener and vertically drawing the horizontal girder of sectional shelf-unit of connecting the pier stud both sides.
According to the scheme, the bottom beam of the combined support, the inclined strut of the combined support and the transverse main beam of the combined support form a trapezoidal structure, and the length of the transverse main beam of the combined support is greater than that of the bottom beam of the combined support.
The scheme is further, the support structure is detained to dish detains support bottom pad roof beam and dish and detains the support including the dish, the dish is detained support bottom pad roof beam cross bridge to setting up the top at vertical bailey girder, the dish is detained the support and is set up to roof beam body bottom, and roof beam body moves about freely and quickly the slope change accessible dish and detains the support and adjust.
The scheme is further that the bearing hoop is connected with the transverse main beam of the combined support through bolts, and the distribution beam is connected with the bottom beam of the combined support through bolts.
The scheme is further that a rubber anti-slip pad is arranged between the bearing hoop and the pier stud.
The scheme is further that the bearing anchor ear is fixed with the pier stud through a high-strength bolt.
The scheme is further that the distribution beams are arranged in a plurality and are uniformly distributed along the transverse bridge direction.
Further, the longitudinal Bailey main beams are transversely and uniformly provided with a plurality of groups.
The scheme is further, every one end of the roof beam body the sectional shelf-unit's split fasteners set up three groups, evenly set up and connect the horizontal girder split of sectional shelf-unit in pier stud both sides.
The invention has the advantages that: the invention uses the bearing hoop and the middle tie beam as main bearing structures, rubber anti-slip pads are arranged between the bearing hoop and the pier stud and are connected in a split manner by high-strength bolts, the bearing hoop is connected with the transverse main beam of the combined bracket by bolts, the distribution beam at the lower part is arranged at the top of the middle tie beam and is connected with the bottom beam of the combined bracket by bolts so as to ensure the stability of the combined bracket, the transverse main beam of the combined bracket is provided with screw steel as a split fastener to prevent deviation, the longitudinal bailey main beams are provided with a plurality of groups, the distance between the longitudinal bailey main beams is adjusted according to the load of a beam body, and the disc buckle bracket is used as a longitudinal and transverse slope adjusting component of the beam body.
The invention not only reduces the integral using amount of the bracket and effectively reduces the construction cost, but also the bracket structure takes the bolt as the main connecting part, the whole can be repeatedly disassembled and recycled, and the harm of the traditional cast-in-place box girder construction foundation treatment to the environment is avoided.
Drawings
FIG. 1 is a schematic cross-bridge structure of a cast-in-place box girder supporting structure using hoop assembly brackets according to the present invention;
FIG. 2 is a schematic longitudinal bridge structure of a cast-in-place box girder supporting structure using hoop assembly brackets according to the present invention;
FIG. 3 is a top view of a cast-in-place box girder support structure using hoop brackets according to the present invention;
wherein: 1. the combined support comprises a middle tie beam, 2 a distribution beam, 3 a combined support bottom beam, 4 a combined support inclined strut, 5 a combined support vertical support, 6 a bearing hoop, 7 a combined support transverse main beam, 8 a split fastener, 9 a longitudinal Bailey main beam, 10 a disc buckle support bottom pad beam, 11 a disc buckle support.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The specific implementation mode of the invention is as follows: as shown in figures 1-3, a cast-in-place box girder supporting structure using hoop assembly supports comprises a plurality of piers distributed along a transverse bridge direction and a longitudinal bridge direction, wherein each end of a girder body is provided with 2, 4, the piers are fixedly provided with hoop assembly support bearing structures, a longitudinal Bailey girder 9 is arranged above the hoop assembly support bearing structures, a coil buckle support structure is arranged above the longitudinal Bailey girder 9, the hoop assembly support bearing structures are arranged at two ends of the girder body and comprise bearing hoops 6 arranged at the upper parts of the piers, distribution girders 2 arranged at the lower parts of the piers, assembly supports arranged at two sides of the piers and a middle tie girder 1 arranged between the piers at the same end, the middle tie girder 1 is transversely arranged, two ends of the middle tie girder are fixedly arranged in the piers in a penetrating way, the distribution girders 2 are longitudinally arranged above the middle tie girder 1, and the bearing hoops 6 and the middle tie girder 1 are used as main stress structures, the combined support and the longitudinal Bailey main beam 9 are combined, the longitudinal Bailey main beam 9 is arranged above the combined support along the longitudinal bridge direction, and the disc buckle support structure is arranged between the beam body and the longitudinal Bailey main beam 9.
The sectional shelf-unit includes sectional shelf-unit floorbar 3, sectional shelf bracing 4, sectional shelf-unit vertical braces 5, the horizontal girder 7 of sectional shelf-unit, to drawing fastener 8, sectional shelf-unit floorbar 3 sets up at the top both ends of distributive girder 2, sets up perpendicularly with distributive girder 2, the horizontal girder 7 horizontal bridge of sectional shelf-unit is to setting up the top at bearing staple bolt 6, the 4 slants of sectional shelf-unit bracing set up between the horizontal girder 7 of sectional shelf-unit and sectional shelf-unit floorbar 3, the vertical setting of sectional shelf-unit vertical braces 5 is between the horizontal girder 7 of sectional shelf-unit and sectional shelf-unit floorbar 3, to drawing fastener 8 vertically to drawing the horizontal girder 7 of sectional shelf-unit who connects the pier stud both sides.
The combined support bottom beam 3, the combined support inclined strut 4 and the combined support transverse main beam 7 form a trapezoidal structure, and the length of the combined support transverse main beam 7 is greater than that of the combined support bottom beam 4.
The bearing anchor ear 6 is connected with the transverse main beam 7 of the combined support through bolts, and the distribution beam 2 is connected with the bottom beam 3 of the combined support through bolts.
And a rubber non-slip mat is arranged between the bearing hoop 6 and the pier stud, and the bearing hoop 6 and the pier stud are fixed through high-strength bolts.
The disc buckle support structure further comprises a disc buckle support bottom pad beam 10 and a disc buckle support 11, the disc buckle support bottom pad beam 10 is transversely arranged above the longitudinal Bailey main beam 9 in a bridging manner, the disc buckle support 11 is erected to the bottom of the beam body, and the longitudinal and transverse gradient change of the beam body can be adjusted through the disc buckle support 11.
Furthermore, the distribution beam 2 is provided with a plurality of beams which are uniformly distributed along the transverse bridge direction.
Furthermore, multiple groups of longitudinal Bailey main beams 9 are transversely and uniformly arranged, the distance is adjusted according to the load of the beam body, and the longitudinal Bailey main beams are arranged in an encrypted manner according to the positions of the webs of the cast-in-place box beams.
Furthermore, three groups of counter-pulling fasteners 8 of the combined support at each end of the beam body are uniformly arranged on two sides of the pier column to counter-pull and connect the transverse main beams 7 of the combined support.
While the preferred embodiments of the invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A cast-in-place box girder supporting structure utilizing a hoop combined support is characterized by comprising a plurality of pier columns distributed in the transverse bridge direction and the longitudinal bridge direction, hoop combined support bearing structures fixed on the pier columns, a longitudinal Bailey main girder and a coiling and buckling support structure, wherein the hoop combined support bearing structures are arranged at two ends of a girder body and comprise bearing hoops arranged at the upper parts of the pier columns, distribution beams arranged at the lower parts of the pier columns, combined supports arranged at two sides of the pier columns and a middle tie beam arranged between the pier columns at the same end, the middle tie beam is transversely arranged, the distribution beams are longitudinally arranged above the middle tie beam, the bearing hoops and the middle tie beam jointly serve as stress structures, the longitudinal Bailey main girder is arranged above the combined supports in the longitudinal bridge direction, and the coiling and buckling support structure is arranged between the girder body and the longitudinal Bailey main girder.
2. The cast-in-place box girder supporting structure utilizing the hoop combination support as claimed in claim 1, wherein the combination support comprises a combination support bottom beam, a combination support diagonal brace, a combination support vertical support, a combination support transverse main beam and a diagonal fastener, the combination support bottom beam is arranged at two ends above the distribution beam and is perpendicular to the distribution beam, the combination support transverse main beam is transversely arranged above the bearing hoop in a bridge direction, the combination support diagonal brace is obliquely arranged between the combination support transverse main beam and the combination support bottom beam, the combination support vertical support is vertically arranged between the combination support transverse main beam and the combination support bottom beam, and the diagonal fastener is longitudinally connected with the combination support transverse main beam at two sides of the pier stud in a diagonal manner.
3. The cast-in-place box girder supporting structure using the hoop combination brackets as claimed in claim 2, wherein the combination bracket bottom beams, the combination bracket diagonal braces and the combination bracket transverse main beams form a ladder-shaped structure, and the length of the combination bracket transverse main beams is greater than that of the combination bracket bottom beams.
4. The cast-in-place box girder supporting structure using the hoop assembling brackets as claimed in claim 3, wherein the buckling bracket structure comprises a buckling bracket bottom pad beam and a buckling bracket, the buckling bracket bottom pad beam is transversely arranged above the longitudinal Bailey main beam, the buckling bracket is erected to the bottom of the girder, and the change of the longitudinal and transverse gradients of the girder can be adjusted by the buckling bracket.
5. The cast-in-place box girder supporting structure using the hoop assembly frame as claimed in claim 4, wherein the bearing hoop is bolted to the transverse main beam of the assembly frame, and the distribution beam is bolted to the bottom beam of the assembly frame.
6. The cast-in-place box girder supporting structure using the hoop assembly brackets as claimed in claim 5, wherein a rubber anti-slip mat is disposed between the bearing hoop and the pier stud.
7. The cast-in-place box girder supporting structure using the hoop assembly brackets as claimed in claim 6, wherein the bearing hoop and the pier stud are fixed by high-strength bolts.
8. The cast-in-place box girder supporting structure using the hoop assembling brackets as claimed in claim 7, wherein the distribution beams are provided in plurality and uniformly distributed along the transverse bridge direction.
9. The cast-in-place box girder supporting structure using the hoop assembling brackets as claimed in claim 8, wherein the longitudinal bailey main girders are uniformly arranged in groups in the transverse direction.
10. The cast-in-place box girder supporting structure using the hoop sectional brackets as claimed in claim 9, wherein three sets of the counter-pulling fasteners of the sectional brackets are provided at each end of the girder body, and are uniformly provided at both sides of the pier to counter-pull the transverse main girders of the sectional brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449374.1A CN113123249A (en) | 2021-04-25 | 2021-04-25 | Cast-in-place box girder supporting structure using hoop combined support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110449374.1A CN113123249A (en) | 2021-04-25 | 2021-04-25 | Cast-in-place box girder supporting structure using hoop combined support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113123249A true CN113123249A (en) | 2021-07-16 |
Family
ID=76780396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110449374.1A Pending CN113123249A (en) | 2021-04-25 | 2021-04-25 | Cast-in-place box girder supporting structure using hoop combined support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113123249A (en) |
-
2021
- 2021-04-25 CN CN202110449374.1A patent/CN113123249A/en active Pending
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