Temporary supporting structure for continuous box girder No.0 block and box girder bridge
The combination of steel pipe columns and pre-buried reinforcement elements addresses the cost and strength issues of existing support structures, ensuring safe and economical support for the 0-number block in continuous box girder bridges.
Patent Information
- Application Number
- CN202421720824.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The construction cost of temporary support structures in the prior art is high and has troublesome in dismantling, or the support strength cannot be met with only concrete pads, which affects construction safety.
The combined structure includes steel pipe columns, embedded steel bar components, transverse reinforcement components and longitudinal connection components is adopted. It is fixedly connected to the bridge pier through the steel pipe columns, embedded steel bar components are fixed to block No. 0, the transverse reinforcement components are connected to adjacent steel pipe columns, and the longitudinal connection components are connected to the bridge pier to form an overall stress system.
It realizes temporary support with low cost and high strength, ensures construction safety, reduces construction costs and simplifies the demolition process.
Smart Images
Figure CN223103487U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge construction, in particular to a temporary support structure for the 0# block of a continuous box girder and a box girder bridge. Background Technique
[0002] China's economy has been developing rapidly, and the construction of infrastructure has been ongoing. The construction capacity of bridges has also been continuously improved. At present, the construction of cantilever casting continuous box girder bridges is increasing. When constructing a cantilever casting continuous box girder bridge, the 0# block is the first casting unit of the bridge and is the key to the construction of the cantilever casting continuous box girder bridge. The construction of the 0# block is highly important. Affected by multiple factors such as hydrogeology, the construction difficulty is great. Therefore, a temporary structure is needed for support to prevent the 0# block from overturning.
[0003] The temporary support structures in the prior art usually adopt complex steel structure supports. Although such supports can achieve better temporary support effects, the construction cost is relatively high, and the later demolition is troublesome; if only concrete pads are used for temporary support, sometimes the support strength cannot be satisfied, resulting in cracking and affecting construction safety.
[0004] In view of this, it is necessary to provide a temporary support structure for the 0# block of a continuous box girder and a box girder bridge to solve or at least alleviate the above defects. Content of the Utility Model
[0005] The main purpose of the utility model is to provide a temporary support structure for the 0# block of a continuous box girder to solve the problems of relatively high construction cost of the temporary support structure in the prior art and inability to meet the support strength if the cost is saved.
[0006] To achieve the above purpose, the utility model provides a temporary support structure for the 0# block of a continuous box girder, which includes a transverse reinforcement component, a longitudinal connection component, and two support structures arranged oppositely along the transverse bridge direction; wherein,
[0007] Each of the support structures includes two groups of support units arranged oppositely on both sides of the pier along the longitudinal bridge direction. Each of the support units includes support elements arranged at intervals along the transverse bridge direction. Among them,
[0008] The support element includes a steel pipe column and a pre-embedded steel bar assembly. The bottom end of the steel pipe column is fixedly connected to the bearing platform. The 0# block is arranged on the top end of the steel pipe column. The pre-embedded steel bar assembly is arranged inside the top end of the steel pipe column, and the top of the pre-embedded steel bar assembly is pre-embedded and fixed in the 0# block. The steel pipe column is filled with concrete;
[0009] The steel pipe column is fixedly connected to the pier through the longitudinal connection component, and adjacent two steel pipe columns along the transverse bridge direction are fixedly connected through the transverse reinforcement component.
[0010] Preferably, the transverse reinforcement assembly includes a plurality of horizontal connecting angle steels arranged at intervals in the vertical direction, and adjacent two of the steel pipe columns in the transverse bridge direction are fixedly connected by the horizontal connecting angle steels.
[0011] Preferably, the transverse reinforcement assembly further includes a plurality of cross bracing angle steels arranged at intervals in the vertical direction. Two ends of each cross bracing angle steel are respectively connected between adjacent two of the steel pipe columns in the transverse bridge direction, and each cross bracing angle steel is arranged between adjacent two of the horizontal connecting angle steels in the vertical direction.
[0012] Preferably, the longitudinal connection assembly is a steel pipe beam. The steel pipe beam is a circular steel pipe. One end of the steel pipe beam is fixedly connected to the steel pipe column, and the other end of the steel pipe beam is connected to the side wall of the bridge pier.
[0013] Preferably, the support unit further includes a sulfur mortar layer, and the sulfur mortar layer is arranged between the top end of the steel pipe column and the 0# block.
[0014] Preferably, the support unit further includes a pre-embedded steel plate. The bottom of the pre-embedded steel plate is pre-embedded in the bearing platform, and the top of the pre-embedded steel plate extends out of the bearing platform. The bottom end of the steel pipe column is fixedly connected to the pre-embedded steel plate.
[0015] Preferably, the pre-embedded steel bar assembly includes a plurality of hoop bars arranged at intervals in the vertical direction and a plurality of longitudinal bars arranged at intervals in the circumferential direction of the hoop bars. The hoop bars and the longitudinal bars are both arranged in the steel pipe column. The longitudinal bars are welded to the inner side of the hoop bars, and the top ends of the longitudinal bars extend into and are pre-embedded in the 0# block.
[0016] Preferably, the diameter of the steel pipe column is 800 mm, and the wall thickness of the steel pipe column is 10 mm.
[0017] Preferably, the number of horizontal connecting angle steels in each transverse reinforcement assembly is four, and the four horizontal connecting angle steels are arranged at intervals in the vertical direction.
[0018] The present application further provides a box girder bridge, which includes a 0# block, a bridge pier and a bearing platform arranged in sequence from top to bottom, and further includes the temporary support structure for the 0# block of the continuous box girder as described above. The support structure of the temporary support structure is arranged outside the bridge pier and is supported between the 0# block and the bearing platform, and the support structure of the temporary support structure is connected to the side wall of the bridge pier through a longitudinal connection assembly.
[0019] Compared with the prior art, the present utility model has the following beneficial effects:
[0020] A temporary support structure and a box girder bridge for the 0# block of a continuous box girder provided by the present utility model include a transverse reinforcement assembly, a longitudinal connection assembly, and two support structures arranged oppositely along the transverse bridge direction. Each support structure includes two support unit groups arranged oppositely on both sides of the pier along the longitudinal bridge direction. Each support unit includes support units arranged at intervals along the transverse bridge direction. The support unit includes a steel pipe column and a pre-embedded steel bar assembly. The bottom end of the steel pipe column is fixedly connected to the bearing platform. The 0# block is arranged on the top end of the steel pipe column. The pre-embedded steel bar assembly is arranged inside the top end of the steel pipe column, and the top of the pre-embedded steel bar assembly is pre-embedded and fixed in the 0# block. The steel pipe column is filled with concrete. The steel pipe column is fixedly connected to the pier through the longitudinal connection assembly, and adjacent two steel pipe columns along the transverse bridge direction are fixedly connected through the transverse reinforcement assembly. In this way, through the combination of the structure of this application with the bearing platform, the pier, and the 0# block, the 0# block is jointly stressed and supported. The structure is simple, the construction is convenient, and the overall construction cost is lower than that of the traditional pure steel structure. Less materials are used, and while considering economy, sufficient structural strength can be ensured, providing a greater guarantee for the construction safety of the 0# block. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.
[0022] Figure 1 It is an elevation view of the application scenario of the overall structure in an embodiment of the present utility model;
[0023] Figure 2 It is a plan view of the application scenario of the overall structure in an embodiment of the present utility model;
[0024] Figure 3 It is a side view of the application scenario of the overall structure in an embodiment of the present utility model;
[0025] Figure 4 For Figure 1 the partial enlarged view at A in
[0026] Figure 5 It is a plan view of the pre-embedded steel bar assembly in an embodiment of the present utility model.
[0027] The implementation, functional features, and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the drawings.
[0028] Explanation of the reference numerals in the drawings:
[0029] 10. Support structure; 110. Support unit; 111. Steel pipe column; 112. Embedded steel bar assembly; 1121. Ring bar; 1122. Longitudinal bar; 113. Sulfur mortar layer; 114. Embedded steel plate; 20. Transverse reinforcement assembly; 210. Flat connection angle steel; 220. Cross diagonal bracing angle steel; 30. Longitudinal connection assembly; 310. Steel pipe beam; 40. Box girder bridge; 410. No. 0 block; 420. Pier; 430. Raft foundation. Detailed implementation manners
[0030] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0032] It should be noted that all the directional indications (such as up, down, left, right, front, back,...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.
[0033] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.
[0034] Please refer to the attached Figures 1 - 5, A temporary support structure for the 0 - block 410 of a continuous box girder provided in an embodiment of the present utility model includes a transverse reinforcement assembly 20, a longitudinal connection assembly 30, and two support structures 10 arranged oppositely along the transverse direction of the bridge. First of all, it should be noted that in this application, the longitudinal direction of the bridge refers to the extension direction of the bridge, and the transverse direction of the bridge refers to the width direction of the bridge. Different from the prior - art temporary support structures 10 that usually adopt complex steel - structure supports, although such structures can achieve better temporary support effects, the construction cost is relatively high, and the later demolition is troublesome. If only concrete cushion blocks are used for temporary support, sometimes the support strength cannot be satisfied, resulting in cracking and affecting construction safety. This application solves the above - mentioned defects in the prior art by setting a temporary support structure for the 0 - block 410 of a continuous box girder. Specifically as follows:
[0035] Each of the support structures 10 includes two groups of support units 110 arranged oppositely along the longitudinal direction of the bridge on both sides of the pier 420. Each of the support units 110 includes support units 110 arranged at intervals along the transverse direction of the bridge. Among them, the support unit 110 includes a steel - pipe column 111 and a pre - embedded steel - bar assembly 112. The bottom end of the steel - pipe column 111 is fixedly connected to the pile cap 430. The 0 - block 410 is arranged on the top end of the steel - pipe column 111. The pre - embedded steel - bar assembly 112 is arranged inside the top end of the steel - pipe column 111, and the top of the pre - embedded steel - bar assembly 112 is pre - embedded and fixed in the 0 - block 410. The steel - pipe column 111 is filled with concrete; the steel - pipe column 111 is fixedly connected to the pier 420 through the longitudinal connection assembly 30, and adjacent two steel - pipe columns 111 along the transverse direction are fixedly connected through the transverse reinforcement assembly 20.
[0036] Specifically, the temporary support structure for the 0 - block 410 of a continuous box girder in this application includes a transverse reinforcement assembly 20, a longitudinal connection assembly 30, and two support structures 10. The support structure 10 serves as the main force - bearing body for temporarily supporting the 0 - block 410, and it is supported between the 0 - block 410 and the pile cap 430. In this application, since the pier 420 in the application scenario adopts the form of a double - column separated pier 420, two support structures 10 arranged oppositely along the transverse direction of the bridge need to be set to be respectively arranged outside the two piers 420; the transverse reinforcement assembly 20 is used to reinforce the transverse structural strength, so that the support structures 10 are connected together transversely, increasing the structural integrity; the longitudinal connection assembly 30 is used to connect the support structure 10 with the pier 420, so that the support structure 10, the 0 - block 410, the pier 420, and the pile cap 430 are connected together, and the whole bears the force evenly, forming a temporary support for the 0 - block 410, and the overall strength is reliable.
[0037] Among them, each of the support structures 10 includes two groups of support units 110 arranged oppositely along the longitudinal bridge direction on both sides of the pier 420 to respectively maintain both sides of the pier 420, and each of the support units 110 includes support units 110 arranged at intervals along the transverse bridge direction to ensure the support strength evenly along the transverse bridge direction. Among them, each of the support units 110 adopts a combination of a steel pipe column 111 and a pre-embedded steel bar assembly 112 to achieve the support effect. The 0-block 410 is supported by the steel pipe column 111, and the structural strength at the support is ensured by the pre-embedded steel bar assembly 112. Therefore, the top of the pre-embedded steel bar assembly 112 is pre-embedded and fixed in the 0-block 410. After filling the steel pipe column 111 with concrete, the target support strength is formed in combination with the pre-embedded steel bar assembly 112. It is worth mentioning that the filled concrete can be C55 slightly expanded concrete, which has good crack resistance and durability. And since the support units 110 are arranged at intervals, the transverse reinforcement assembly 20 is used to connect two adjacent steel pipe columns 111 along the transverse bridge direction into one body to jointly bear the force, and then connected to the pier 420 through the longitudinal connection assembly 30 to form an overall force-bearing system, which has good temporary support performance.
[0038] As a preferred embodiment of the present invention, the transverse reinforcement assembly 20 includes a plurality of flat connection angle steels 210 arranged at intervals along the vertical direction, and two adjacent steel pipe columns 111 along the transverse bridge direction are fixedly connected through the flat connection angle steels 210.
[0039] It should be noted that the angle steel has good compressive strength and bending stiffness, and is light in self-weight, which can save construction costs, and is convenient to connect and has good connectivity during construction. Therefore, the flat connection angle steels 210 are arranged to extend along the transverse bridge direction and are connected between two adjacent steel pipe columns 111 along the transverse bridge direction. It can be understood that the lengths of the flat connection angle steels 210 corresponding to different interval distances are different. For example: the interval distance between two support structures 10 is longer than the interval distance between adjacent support units 110 in each group of support units 110. Therefore, the length of the flat connection angle steels 210 between two support structures 10 is also longer (to match the span between two oppositely arranged piers 420).
[0040] As a relatively optimal embodiment of the present invention, the transverse reinforcement assembly 20 further includes a plurality of cross diagonal bracing angle steels 220 arranged at intervals along the vertical direction. The two ends of each cross diagonal bracing angle steel 220 are respectively connected between two adjacent steel pipe columns 111 along the transverse bridge direction, and each cross diagonal bracing angle steel 220 is arranged between two adjacent flat connection angle steels 210 along the vertical direction.
[0041] It should be noted that the cross diagonal bracing angle steel 220 is used to increase the stiffness and seismic resistance of the structure. It includes two diagonally braced angle steels arranged crosswise, further improving the overall stability of the structure during temporary support. Among them, the cross diagonal bracing angle steel 220 is arranged between every two adjacent horizontal connection angle steels 210 along the vertical direction, enabling the entire structure to be evenly stressed and forming a space truss.
[0042] As a preferred embodiment of the present utility model, the longitudinal connection component 30 is a steel pipe beam 310. The steel pipe beam 310 is a circular steel pipe. One end of the steel pipe beam 310 is fixedly connected to the steel pipe column 111, and the other end of the steel pipe beam 310 is connected to the side wall of the pier 420.
[0043] It is worth noting that considering that the steel pipe column 111 of the support unit 110 has a relatively large diameter, in order to ensure better longitudinal connection strength, the longitudinal connection component 30 adopts a steel pipe beam 310. One end of the steel pipe beam 310 is fixedly connected to the steel pipe column 111 by welding, and then the other end of the steel pipe beam 310 is supported on the side wall of the pier 420. It is worth mentioning that the diameter of the steel pipe beam 310 should be smaller than the diameter of the steel pipe column 111 for the convenience of construction.
[0044] As a preferred embodiment of the present utility model, the support unit 110 further includes a sulfur mortar layer 113. The sulfur mortar layer 113 is arranged between the top end of the steel pipe column 111 and the 0 - block 410.
[0045] It should be noted that the sulfur mortar layer 113 has strong durability and water resistance, can effectively play a supporting role, reduce the risk of structural instability, and has good stability during the construction process, is not easily damaged, and is convenient for construction. With sufficient supporting strength, its manufacturing cost is relatively low to save construction costs. At the same time, the sulfur mortar layer 113 is easy to disassemble, which is convenient for the later removal of the temporary support.
[0046] Furthermore, the support unit 110 further includes a pre - embedded steel plate 114. The bottom of the pre - embedded steel plate 114 is pre - embedded in the bearing platform 430, and the top of the pre - embedded steel plate 114 extends out of the bearing platform 430. The bottom end of the steel pipe column 111 is fixedly connected to the pre - embedded steel plate 114.
[0047] It should be noted that the pre - embedded steel plate 114 is used for better connection of the bottom end of the steel pipe column 111. It can be pre - embedded in the bearing platform 430 in advance, and after being connected to the steel pipe column 111, it can improve the connection strength. By increasing the stress area and dispersing the load, it can improve the bearing capacity of the structure. Among them, multiple groups of bent steel bars can be added to the pre - embedded steel plate 114 to extend into and be anchored in the bearing platform 430, thereby further improving the connection stability.
[0048] Furthermore, the embedded steel bar assembly 112 includes a plurality of hoop bars 1121 arranged at intervals in the vertical direction and a plurality of longitudinal bars 1122 arranged at intervals in the circumferential direction of the hoop bars 1121. The hoop bars 1121 and the longitudinal bars 1122 are both arranged in the steel pipe column 111. The longitudinal bars 1122 are welded to the inner side of the hoop bars 1121, and the top ends of the longitudinal bars 1122 extend into and are embedded in the 0-block 410.
[0049] It should be understood that the hoop bars 1121 can be used to enhance the mechanical properties of the concrete, making it have better bending and shear resistance, while the longitudinal bars 1122 can improve the seismic performance and bearing capacity. They are connected to each other to improve the structural strength of the entire support unit 110. During construction, the longitudinal bars 1122 need to be embedded in the 0-block 410 in advance, so as to enhance the support strength at the support between the steel pipe column 111 and the 0-block 410. After being welded to the hoop bars 1121 to form a steel reinforcement cage, C55 slightly expanded concrete can be poured into the steel pipe column 111.
[0050] Furthermore, the diameter of the steel pipe column 111 is 800 mm, and the wall thickness of the steel pipe column 111 is 10 mm.
[0051] It should be noted that the larger the diameter of the steel pipe column 111, the better the support strength, but too large a diameter is likely to lead to higher costs. In a preferred embodiment of the present application, the diameter of the steel pipe column 111 is 800 mm and the wall thickness is 10 mm. Optionally, the diameter of the steel pipe beam 310 can be 500 mm, and those skilled in the art can select according to actual needs.
[0052] Furthermore, the number of horizontal bracing angle steels 210 in each of the transverse reinforcement assemblies 20 is four, and the four horizontal bracing angle steels 210 are arranged at intervals in the vertical direction.
[0053] It should be noted that the number of horizontal bracing angle steels 210 in each of the transverse reinforcement assemblies 20 can be determined according to the height of the steel pipe column 111 and the vertical interval distance between adjacent horizontal bracing angle steels 210 to ensure that the reinforcement effect is evenly distributed from top to bottom. Preferably, the number of horizontal bracing angle steels 210 in each of the transverse reinforcement assemblies 20 is four, and the number of cross diagonal bracing angle steels 220 in each corresponding transverse reinforcement assembly 20 is three.
[0054] The present application also provides a box girder bridge 40, which includes a 0-block 410, a pier 420, and a bearing platform 430 arranged in sequence from top to bottom. The box girder bridge 40 further includes the temporary support structure for the 0-block 410 of the continuous box girder as described above. The support structure 10 of the temporary support structure is arranged outside the pier 420 and is supported between the 0-block 410 and the bearing platform 430. Moreover, the support structure 10 of the temporary support structure is connected to the side wall of the pier 420 through a longitudinal connection assembly 30.
[0055] It can be understood that, under the action of the temporary support structure, sufficient temporary support is obtained during the construction of the 0-block 410, avoiding overturning, greatly ensuring the construction safety. Moreover, the entire construction process is relatively simple, the structural cost is low, but the structural strength is satisfied, having a wide application prospect.
[0056] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural or equivalent process transformation made by using the description and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. A temporary support structure for the 0# block of a continuous box girder, characterized in that It includes a transverse reinforcement component, a longitudinal connection component, and two support structures arranged oppositely along the transverse bridge direction; among them, each of the support structures includes two support unit groups arranged oppositely on both sides of the pier along the longitudinal bridge direction, and each support unit includes support units arranged at intervals along the transverse bridge direction, where the support unit includes a steel pipe column and a pre-embedded steel bar assembly. The bottom end of the steel pipe column is fixedly connected to the bearing platform, the 0-block is arranged on the top end of the steel pipe column, the pre-embedded steel bar assembly is arranged inside the top end of the steel pipe column, and the top of the pre-embedded steel bar assembly is pre-embedded and fixed in the 0-block. The steel pipe column is filled with concrete; the steel pipe column is fixedly connected to the pier through the longitudinal connection component, and adjacent two steel pipe columns along the transverse bridge direction are fixedly connected through the transverse reinforcement component.
2. The temporary support structure for the 0# block of the continuous box girder according to claim 1, characterized in that, The transverse reinforcement component includes a plurality of horizontal connecting angle steels arranged at intervals in the vertical direction. Adjacent two steel pipe columns along the transverse bridge direction are fixedly connected through the horizontal connecting angle steels.
3. The temporary support structure for the 0# block of the continuous box girder according to claim 2, characterized in that, The transverse reinforcement component further includes a plurality of cross bracing angle steels arranged at intervals in the vertical direction. The two ends of each cross bracing angle steel are respectively connected between adjacent two steel pipe columns along the transverse bridge direction, and each cross bracing angle steel is arranged between adjacent two horizontal connecting angle steels in the vertical direction.
4. The temporary support structure for the No. 0 block of the continuous box girder according to claim 2, characterized in that, The longitudinal connection component is a steel pipe beam. The steel pipe beam is a circular steel pipe. One end of the steel pipe beam is fixedly connected to the steel pipe column, and the other end of the steel pipe beam is connected to the side wall of the pier.
5. The temporary support structure for the No. 0 block of the continuous box girder according to claim 1, characterized in that The support unit further includes a sulfur mortar layer. The sulfur mortar layer is arranged between the top end of the steel pipe column and the 0-block.
6. The temporary support structure for the 0# block of the continuous box girder according to claim 1, characterized in that The support unit further includes a pre-embedded steel plate. The bottom of the pre-embedded steel plate is pre-embedded in the bearing platform, and the top of the pre-embedded steel plate extends out of the bearing platform. The bottom end of the steel pipe column is fixedly connected to the pre-embedded steel plate.
7. The temporary support structure for the 0# block of the continuous box girder according to claim 1, characterized in that, The pre-embedded steel bar assembly includes a plurality of hoop bars arranged at intervals in the vertical direction and a plurality of longitudinal bars arranged at intervals in the circumferential direction of the hoop bars. The hoop bars and the longitudinal bars are both arranged in the steel pipe column. The longitudinal bars are welded to the inner side of the hoop bars, and the top ends of the longitudinal bars extend into and are pre-embedded in the 0-block.
8. The temporary support structure for the No. 0 block of the continuous box girder according to claim 1, characterized in that, The diameter of the steel pipe column is 800 mm, and the wall thickness of the steel pipe column is 10 mm.
9. The temporary support structure for the No. 0 block of the continuous box girder according to claim 2, characterized in that, The number of horizontal connecting angle steels in each transverse reinforcement component is four, and the four horizontal connecting angle steels are arranged at intervals in the vertical direction.
10. A box girder bridge, comprising a 0-block, a pier and a bearing platform arranged in sequence from top to bottom, characterized in that, It further includes a temporary support structure for the 0-block of the continuous box girder according to any one of claims 1-9. The support structure of the temporary support structure is arranged outside the pier and supported between the 0-block and the bearing platform, and the support structure of the temporary support structure is connected to the side wall of the pier through the longitudinal connection component.