CN214573397U - Construction control support device for side-span cast-in-place section - Google Patents
Construction control support device for side-span cast-in-place section Download PDFInfo
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- CN214573397U CN214573397U CN202120815857.4U CN202120815857U CN214573397U CN 214573397 U CN214573397 U CN 214573397U CN 202120815857 U CN202120815857 U CN 202120815857U CN 214573397 U CN214573397 U CN 214573397U
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Abstract
The utility model relates to a bridge construction technical field specifically discloses cast-in-place section construction control support device of side span, including connecting plate, triangular bracket and support bracket, connecting plate fixed connection is on the mound that passes through, and triangular bracket fixed connection is on the pier body of the mound that passes through, and triangular bracket is located one side of the mound that passes through, and support bracket one end fixed connection is on the connecting plate, and the one end that the support bracket stretches out the transition mound is taken on triangular bracket. This scheme is used for solving among the prior art the construction degree of difficulty that the support construction process that supports is striden to opposite side is big and the problem that the safety risk is big.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is cast-in-place section construction control support device of sidespan.
Background
With the continuous development of bridge construction, prestressed concrete continuous rigid frame bridges are more and more constructed, in the bridge type construction process, the bridge is divided into a plurality of construction sections, and the closure between the adjacent construction sections is called as a mid-span closure section; at the end part of the bridge, a transition pier (the transition pier is positioned at the joint of the bridge and a ground road) needs to be built, a side span cast-in-place section is built on the transition pier, and then a side span closure section is poured by utilizing the side span cast-in-place section and the structural section at the end part, so that the bridge construction between the transition pier and the adjacent pier can be completed.
When the construction of the side span cast-in-place section is carried out, a floor type support needs to be built beside a transition pier so as to conveniently install the template and support the cast-in-place section subsequently, however, most bridges need to span mountain ditches with steep terrain or rivers with rough water waves, the floor type support is high in overall height and high in construction difficulty, particularly, the floor type support is stranded for the foundation construction of places with dangerous terrain, the construction difficulty is further increased, and the floor type support has great safety risk due to high height and special construction positions in the installation or disassembly process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is providing the cast-in-place section construction control support device of sidespan to solve among the prior art and carry out the problem that the construction degree of difficulty that the support construction process that supports exists is big and the safety risk is big in the cast-in-place section of sidespan.
In order to achieve the above object, the basic scheme of the present invention is as follows:
cast-in-place section construction control support device of side span, including connecting plate, triangular bracket and support bracket, connecting plate fixed connection is on the pier that passes through, and triangular bracket fixed connection is on the pier body of transition pier, and triangular bracket is located one side of transition pier, and support bracket one end fixed connection is on the connecting plate, and the support bracket stretches out the one end of transition pier and takes on triangular bracket.
Compare the beneficial effect in prior art:
when this scheme of adoption, only need the mounting connection board on the transition mound, and at the lateral wall mounting triangular bracket of transition mound, can support the bracket both ends simultaneously by triangular bracket and transition board, original console mode support has been replaced, so whole support device's height can greatly shorten, whole support device's stability has been improved, simultaneously because of support device direct action is on the transition mound, so do not need to carry out the installation of console mode with support device, the construction degree of difficulty has been reduced, construction cycle has been shortened, the safety risk on the construction has also been reduced.
Furthermore, the connecting plate is poured on the transition pier, and protrudes out of the upper surface of the transition pier.
Has the advantages that: make the connecting plate fix on the transition mound through the mode of pouring, can improve the joint strength of connecting plate and transition mound, and the connecting plate outstanding transition mound upper surface is in order to make things convenient for the fixed connection of connecting plate and support bracket.
Furthermore, the connecting plate is made of an L-shaped steel plate, the vertical section of the L-shaped steel plate protrudes out of the surface of the transition pier, and the support bracket is fixedly connected with the vertical section of the L-shaped steel plate.
Has the advantages that: and the L-shaped steel plate is adopted, so that the structure is simple and the strength is high.
Furthermore, the number of the connecting plates is two, the two connecting plates are symmetrically arranged along the longitudinal central axis of the bridge, the distance between the two connecting plates is gradually reduced, and the minimum distance between the two connecting plates is close to the triangular bracket; the support bracket comprises a main cross beam and connecting beams fixedly connected to two ends of the main cross beam, and the connecting beams are fixedly connected with one of the connecting plates respectively.
Has the advantages that: through the cooperation of the two connecting plates with gradually changed intervals and the bearing bracket, the bearing bracket can be installed in an integral mode, the bearing bracket is convenient to integrally remove from the connecting plates along the longitudinal direction of the bridge to complete the disassembly, and the bearing bracket is convenient and simple to install and disassemble.
Furthermore, still fixedly connected with a plurality of auxiliary beams on the main beam, the auxiliary beam is located between two tie-beams.
Has the advantages that: the support of the template by the bracket device is reinforced by the auxiliary beam.
Furthermore, the upper surfaces of the auxiliary beam and the connecting beam are provided with square wood, and a template is placed above the square wood.
Has the advantages that: the presence of the square timber is used on the one hand to form a support for the formwork, and on the other hand, the square timber is easier to dismantle than steel structures when dismantling.
Further, the triangular support frame includes stull and bracing, and the stull level sets up, constitutes right triangle between stull, bracing and the transition mound, stull and bracing one end and transition mound fixed connection, and the tip that the transition mound was kept away from to the bracing forms the support to the stull, and the stull forms the support to the support frame.
Has the advantages that: the right triangle that stull and bracing formed has utilized for the strength of transition mound for the triangular bracket supports the bracket stronger.
Furthermore, both the cross brace and the inclined brace are provided with an insertion section and a cantilever section which are fixedly connected, and the insertion sections of the cross brace and the inclined brace are inserted into the transition pier.
Has the advantages that: the inserted sections of the inclined strut and the cross strut are inserted into the transition pier, so that the supporting strength of the triangular bracket is further improved.
Furthermore, the number of the triangular brackets is at least two, and a cross joist is arranged between the triangular brackets and the supporting brackets.
Has the advantages that: the arrangement of the transverse joist enables the plurality of triangular brackets to form a whole to support the supporting bracket, and the supporting uniformity of the triangular brackets to the supporting bracket is improved.
Furthermore, the insertion section of bracing adopts U shaped steel, and one section of U shaped steel is pour in the transition mound, and one section that U shaped steel exposes the transition mound is used for cup jointing the cantilever section.
Has the advantages that: u shaped steel simple structure, intensity is high, and can guarantee the bearing intensity of triangular bracket.
Drawings
Fig. 1 is an isometric view of a first embodiment of the present invention;
fig. 2 is a schematic view illustrating the installation of a diagonal brace according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a cross brace according to an embodiment of the present invention;
FIG. 4 is a schematic view of a support bracket according to an embodiment of the present invention;
FIG. 5 is a schematic view of a support bracket according to an embodiment of the present invention;
fig. 6 is a top view of fig. 5.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: transition pier 10, support base stone 20, connecting plate 1, triangular bracket 2, wale 21, bracing 22, support bracket 3, main beam 31, tie-in beam 32, auxiliary beam 33, stiffening beam 34, connecting block 35, square timber 4, and cross joist 5.
Example one
An embodiment substantially as described herein with reference to figures 1 to 6:
referring to fig. 1, the side-span cast-in-place construction control support device comprises a connecting plate 1, a triangular bracket 2 and a support bracket 3, wherein the triangular bracket 2 is fixed on the right side of a transition pier 10, and the support bracket 3 is lapped on the transition pier 10 and the triangular bracket 2.
The bridge is characterized in that the number of the connecting plates 1 is two, the two connecting plates 1 are symmetrically arranged along the longitudinal central axis of the bridge, the distance between the two connecting plates 1 is gradually reduced, and the minimum distance between the two connecting plates 1 is close to the triangular bracket 2; the connecting plate 1 is made of an L-shaped steel plate, the connecting plate 1 is poured on the transition pier 10, the vertical section of the connecting plate 1 protrudes out of the upper surface of the transition pier 10, and the bearing bracket 3 is fixedly connected with the vertical section of the L-shaped steel plate through bolts.
With reference to fig. 1, 5 and 6, the support bracket 3 includes a main beam 31, a connecting beam 32 and an auxiliary beam 33, the connecting beam 32 is welded at two ends of the main beam 31, the connecting beam 32 is respectively fixedly connected with one of the connecting plates 1 through bolts, the connecting beam 32 is parallel to the connecting plates 1, and the connecting beam 32 is made of U-shaped steel; the main beam 31 is formed by welding two U-shaped steels.
The quantity of auxiliary beam 33 has a plurality of, the quantity of auxiliary beam 33 is 7 in this embodiment, auxiliary beam 33 is located between two tie-beams 32, auxiliary beam 33 is perpendicular with main beam 31, auxiliary beam 33 is vertically parallel with the bridge, auxiliary beam 33 and main beam 31 welding, the left end welding of auxiliary beam 33 has stiffening beam 34, stiffening beam 34 and main beam 31 are located the both ends of auxiliary beam 33, it has connecting block 35 to weld between auxiliary beam 33 and the tie-beam 32 near tie-beam 32, auxiliary beam 33, stiffening beam 34 and connecting block 35 all can adopt U shaped steel, make whole bracket 3's structural strength higher through auxiliary beam 33, stiffening beam 34 and connecting block 35's setting, also convenient hoist and mount.
Square timber 4 has all been placed to the upper surface of auxiliary beam 33 and tie-beam 32, and square timber 4 top is used for placing the template, and square timber 4 is perpendicular with auxiliary beam 33.
The support base stone 20 has been pour to transition mound 10 upper surface, and support base stone 20 has all been avoided to auxiliary beam 33 and tie-beam 32, and square timber 4 upper surface is parallel with support base stone 20 upper surface, and square timber 4 directly supports the template with supporting the stone simultaneously.
With reference to fig. 1 to 4, the quantity of a triangular bracket 2 is two at least, the quantity of a triangular bracket 2 is 5 in this embodiment, every triangular bracket 2 all includes stull 21 and bracing 22, stull 21 level sets up, stull 21, constitute right triangle between bracing 22 and the transition mound 10, stull 21 and bracing 22's left end is all pour in transition mound 10, the right-hand member of bracing 22 forms the support to stull 21 right-hand member, stull 21 upper surface welding has a plurality of joist 5, joist 5 forms the support to support bracket 3, specifically, joist 5 directly forms the support to auxiliary beam 33 and the tie-beam 32 of support bracket 3.
The specific implementation process is as follows:
step one, mounting a triangular bracket 2
When the support device is constructed, the connecting plate 1, the insertion section of the cross brace 21 and the insertion section of the inclined brace 22 (namely two small U-shaped steels) are poured on the transition pier 10, the support base cushion stone 20 is poured on the upper surface of the transition pier 10 to obtain the state shown in fig. 2 (the large U-shaped steel of the inclined brace 22 is positioned above the transition pier 10 in an explosion pattern form in fig. 2), then the large U-shaped steel of the inclined brace 22 is sleeved on the inclined small U-shaped steel, and the sleeved large U-shaped steel and the sleeved small U-shaped steel are fixedly connected through bolts.
Referring to fig. 3, the large U-section steel of the wale 21 with the wale 5 is sleeved on the small U-section steel of the wale 21, and the large U-section steel and the small U-section steel are fixedly connected through bolts, thereby completing the fixed installation of the triangular bracket 2.
Step two, mounting the supporting bracket 3
With reference to fig. 4, the support bracket 3 is moved from the upper right to the lower left by the tower crane, so that the connecting beam 32 is gradually moved to the left until the connecting beam 32 is attached to the connecting plate 1, after the connection between the connecting beam and the connecting plate is completed, that is, the connecting beam and the connecting beam are fixedly connected by a bolt, after the connection is completed, the left end of the auxiliary beam 33 is lapped on the upper surface of the transition pier 10, the right ends of the auxiliary beam 33 and the connecting beam 32 are lapped on the cross joist 5, and the connecting beam 32 and the cross joist 5 are fixedly connected by a bolt or a welding manner, so that the states shown in fig. 5 and 6 are obtained.
Step three, installing the square timber 4
After the second step is completed, the square timber 4 is directly placed above the connecting beam 32 and the auxiliary beam 33, the square timber 4 is perpendicular to the auxiliary beam 33, and the upper side of the square timber 4 is used for installing the template.
When the embodiment is adopted, the support device does not need to be installed in a floor mode, the construction difficulty is reduced, the construction period is shortened, and the safety risk in construction is reduced.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Cast-in-place section construction control support device of side span, its characterized in that: including connecting plate, triangular bracket and support bracket, connecting plate fixed connection is on the mound of transition, and triangular bracket fixed connection is on the pier body of transition mound, and triangular bracket is located one side of transition mound, and support bracket one end fixed connection is on the connecting plate, and the one end that support bracket stretches out the transition mound is taken on triangular bracket.
2. The side-span cast-in-place section construction control support device according to claim 1, characterized in that: the connecting plate is poured on the transition pier and protrudes out of the upper surface of the transition pier.
3. The side-span cast-in-place section construction control support device according to claim 2, characterized in that: the connecting plate is made of an L-shaped steel plate, the vertical section of the L-shaped steel plate protrudes out of the surface of the transition pier, and the support bracket is fixedly connected with the vertical section of the L-shaped steel plate.
4. The side-span cast-in-place section construction control support device according to claim 1, characterized in that: the bridge is characterized in that the number of the connecting plates is two, the two connecting plates are symmetrically arranged along a longitudinal central axis of the bridge, the distance between the two connecting plates is gradually reduced, and the minimum distance between the two connecting plates is close to the triangular bracket; the support bracket comprises a main cross beam and connecting beams fixedly connected to two ends of the main cross beam, and the connecting beams are fixedly connected with one of the connecting plates respectively.
5. The side-span cast-in-place section construction control support device according to claim 4, characterized in that: still fixedly connected with a plurality of auxiliary beams on the main beam, the auxiliary beam is located between two tie-beams.
6. The side-span cast-in-place section construction control support device according to claim 5, characterized in that: the upper surfaces of the auxiliary beam and the connecting beam are provided with square timber, and a template is placed above the square timber.
7. The side-span cast-in-place section construction control support device according to claim 1, characterized in that: the triangular bracket comprises a cross brace and an inclined brace, the cross brace is horizontally arranged, a right-angled triangle is formed between the cross brace, the inclined brace and the transition pier, one end of the cross brace and one end of the inclined brace are fixedly connected with the transition pier, the end part of the inclined brace far away from the transition pier supports the cross brace, and the cross brace supports the bearing bracket.
8. The side-span cast-in-place section construction control support device according to claim 7, characterized in that: the cross brace and the inclined brace are both provided with an insertion section and a cantilever section which are fixedly connected, and the insertion sections of the cross brace and the inclined brace are both inserted into the transition pier.
9. The side-span cast-in-place section construction control support device according to claim 8, characterized in that: the number of the triangular brackets is at least two, and a cross joist is arranged between the triangular brackets and the supporting brackets.
10. The side-span cast-in-place section construction control support device according to claim 8, characterized in that: the inserted section of bracing adopts U shaped steel, and one section of U shaped steel is pour in the transition mound, and one section that U shaped steel exposes the transition mound is used for cup jointing the cantilever section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120815857.4U CN214573397U (en) | 2021-04-20 | 2021-04-20 | Construction control support device for side-span cast-in-place section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120815857.4U CN214573397U (en) | 2021-04-20 | 2021-04-20 | Construction control support device for side-span cast-in-place section |
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| CN214573397U true CN214573397U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120815857.4U Active CN214573397U (en) | 2021-04-20 | 2021-04-20 | Construction control support device for side-span cast-in-place section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323917A (en) * | 2022-03-07 | 2022-11-11 | 陕西西建路桥工程有限公司 | Construction method for bridge side span cast-in-place section short cantilever support |
-
2021
- 2021-04-20 CN CN202120815857.4U patent/CN214573397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115323917A (en) * | 2022-03-07 | 2022-11-11 | 陕西西建路桥工程有限公司 | Construction method for bridge side span cast-in-place section short cantilever support |
| CN115323917B (en) * | 2022-03-07 | 2024-06-04 | 陕西西建路桥工程有限公司 | Construction method of bridge side span cast-in-situ section short cantilever bracket |
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