Expressway-crossing bent cap construction support structure

Abstract

The utility model discloses an expressway-crossing bent cap construction support structure which comprises two stand column sets, a plurality of steel stand columns, a plurality of steel stand columns, a plurality of steel stand columns, a plurality of steel stand columns, a plurality of steel stand columns and a plurality of steel stand columns, and the two stand column sets are erected on the outer sides of two bridge piers crossing an expressway respectively. The bailey beams are connected into a whole to form a support and erected on the two stand column sets. The inclined struts are arranged at the bottoms of the bailey beams at intervals; the embedded parts are arranged corresponding to the bridge piers, and each set of embedded parts comprises two fixing legs and a plurality of screw rods which are embedded in each bridge pier; and the connecting pieces are arranged corresponding to the embedded pieces, the multiple screws are detachably connected with the two fixing rods, and the two fixing legs are detachably connected with the two connecting columns correspondingly. The overall stability and bearing capacity of the support structure are improved, connection is simple and fast, installation difficulty and labor intensity are reduced, construction safety and quality are guaranteed, and construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cross-highway construction, and relates to a construction support structure for a cross-highway bent cap. Background Art

[0002] The bent cap is used to support, distribute and transfer the load of the upper structure. In the construction of cross-highway bridges, the construction of the bent cap is one of the key links. The construction of the bent cap requires building a support on the top surface of the pier to support the structure of the bent cap. After the construction of the bent cap is completed, the support is removed. Traditional construction supports often have problems such as complex structure, cumbersome installation, and high cost. Especially in a busy traffic environment like a highway, the construction difficulty and safety risks are significantly increased. Therefore, it is particularly important to develop a new type of construction support structure for cross-highway bent caps. Content of the Utility Model

[0003] An object of the utility model is to solve at least the above problems and / or defects, and provide at least the advantages described hereinafter.

[0004] Another object of the utility model is to provide a construction support structure for a cross-highway bent cap.

[0005] For this purpose, the technical solution provided by the utility model is as follows:

[0006] A construction support structure for a cross-highway bent cap, comprising:

[0007] Two groups of column sets, each group of column sets includes a plurality of steel columns, each steel column is arranged vertically, one end of the steel column is fixed on the ground, and the two groups of column sets are respectively erected on the outer sides of two piers spanning the highway;

[0008] A plurality of Bailey beams, the plurality of Bailey beams are connected in sequence to form a support, and both ends of the support are respectively erected on the two groups of column sets;

[0009] A plurality of diagonal braces, which are arranged at intervals at the bottom of the Bailey beam, and the diagonal braces are arranged at an angle α with the length direction of the Bailey beam;

[0010] Embedded parts, which are arranged corresponding to the piers, each group of embedded parts includes two fixed legs embedded in each pier and a plurality of screw rods. The two fixed legs are both arranged vertically and respectively exposed on the left and right sides of the pier, and the plurality of screw rods are embedded in the pier and the upper ends are exposed outside the pier;

[0011] The connecting piece is correspondingly arranged with the embedded part. Each connecting piece includes two connecting columns arranged parallel to the long side direction of the Bailey beam and two fixing rods arranged parallel to the short side direction of the Bailey beam. The two ends of the two fixing rods are respectively connected to the two fixing rods of the two connecting columns. The two fixing rods are arranged parallel to the short side direction of the Bailey beam. The connecting piece is installed above the Bailey beam. The several screw rods are detachably connected to the two fixing rods, and the two fixing legs are respectively detachably connected to the two connecting columns.

[0012] Preferably, the construction support structure for the cross-highway bent cap further includes:

[0013] The distribution beam is installed on the top of the Bailey beam.

[0014] Preferably, in the construction support structure for the cross-highway bent cap, a horizontal bracing is further arranged in each set of the column groups. The horizontal bracing includes multiple cross beams, and the two ends of the cross beam are respectively connected to two of the steel columns.

[0015] Preferably, the construction support structure for the cross-highway bent cap further includes:

[0016] The sand cylinder, and a sand cylinder is arranged at the other end of each steel column;

[0017] The jack is arranged above the sand cylinder. The cylinder end of the jack is fixed on the sand cylinder, and the piston end is connected to the bottom of the Bailey beam.

[0018] Preferably, in the construction support structure for the cross-highway bent cap, a guardrail is arranged outside the Bailey beam.

[0019] Preferably, in the construction support structure for the cross-highway bent cap, 45° ≤ α ≤ 75°.

[0020] Preferably, in the construction support structure for the cross-highway bent cap, a plurality of through holes are formed in both the fixing rod and the connecting column. The several screw rods pass through the through holes of the fixing rod and are detachably connected, and the two fixing legs respectively pass through the through holes of the two connecting columns and are detachably connected.

[0021] The utility model has at least the following beneficial effects:

[0022] Through the design of diagonal braces, embedded parts and connection structures, the overall stability and load-bearing capacity of the support structure of the utility model are improved, ensuring construction safety and quality. Moreover, the connection is simple and fast, reducing the installation difficulty and labor intensity, improving the construction efficiency, and can be adjusted and optimized according to the actual situation of different expressways and the construction requirements of capping beams, with strong adaptability and flexibility. After the capping beam is successfully poured, the embedded parts and connectors of the utility model can be disassembled, and the support can be quickly disassembled, providing construction efficiency and reducing construction costs.

[0023] Other advantages, objectives and features of the utility model will be partially reflected by the following description, and partially will be understood by those skilled in the art through the research and practice of the utility model. Brief Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of a capping beam construction support structure in one embodiment of the utility model across an expressway.

[0025] Figure 2 It is a schematic bottom view structure diagram of a Bailey beam in one embodiment of the utility model.

[0026] Figure 3 It is a schematic structural diagram of a connector in one embodiment of the utility model. Detailed Description of the Preferred Embodiment

[0027] The following further describes the utility model in detail with reference to the drawings, so that those skilled in the art can implement it according to the description in the specification.

[0028] It should be understood that the terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or their combinations.

[0029] In the description of the utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected" and "set" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific situations. The orientation or positional relationship indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model.

[0030] Such asFigure 1 , Figure 2 and Figure 3 As shown in ,

[0031] , the utility model provides a construction support structure for a cross-highway bent cap, including:

[0031] Two groups of column sets, each group of column sets includes several steel columns 1, each steel column 1 is arranged vertically, one end of the steel column 1 is fixed on the ground, and the two groups of column sets are respectively erected on the outer sides of two piers straddling the highway;

[0032] Several Bailey beams 2, several Bailey beams 2 are connected in sequence to form a support, and both ends of the support are respectively erected on the two groups of column sets;

[0033] Several diagonal braces 4, which are arranged at the bottom of the Bailey beam 2, and the diagonal braces 4 are arranged at an angle α with the length direction of the Bailey beam 2;

[0034] Embedded parts, which are arranged corresponding to the piers, each group of embedded parts includes two fixed legs embedded in each pier and several screw rods, the two fixed legs are both arranged vertically and respectively exposed on the left and right sides of the pier, and several screw rods are embedded in the pier and the upper ends are exposed outside the pier;

[0035] Connectors, which are arranged corresponding to the embedded parts, each connector includes two connecting columns 801 arranged parallel to the long side direction of the Bailey beam 2 and two fixing rods 802 arranged parallel to the short side direction of the Bailey beam 2, both ends of the two fixing rods 802 are respectively connected to the two connecting columns 801, the two fixing rods 802 are arranged parallel to the short side direction of the Bailey beam 2, the connector is installed above the Bailey beam 2, the several screw rods are detachably connected to the two fixing rods 802, and the two fixed legs are respectively detachably connected to the two connecting columns 801.

[0036] Through the design of the diagonal brace 4, the embedded parts and the connection structure, the utility model improves the overall stability and load-bearing capacity of the support structure, ensures the construction safety and quality. And, the connection is simple and fast, reduces the installation difficulty and labor intensity, improves the construction efficiency, can be adjusted and optimized according to the actual situation of different highways and the construction requirements of the bent cap, and has strong adaptability and flexibility. After the bent cap is successfully poured, the embedded parts and the connectors can be disassembled, and the support can be quickly disassembled, which improves the construction efficiency and reduces the construction cost.

[0037] In the above solution, preferably, it further includes:

[0038] Distribution beams 5, which are installed on the top of the Bailey beam 2 and are used to share part of the support pressure.

[0039] In one embodiment of the present utility model, preferably, a horizontal bracing 3 is further provided in each column group. The horizontal bracing 3 includes multiple crossbeams, and both ends of each crossbeam are respectively connected to two of the steel columns 1.

[0040] In one embodiment of the present utility model, preferably, it further includes:

[0041] Sand cylinders 7, and a sand cylinder 7 is arranged at the other end of each steel column 1;

[0042] A jack, which is arranged above the sand cylinder 7. The cylinder end of the jack is fixed on the sand cylinder 7, and the piston end is connected to the bottom of the Bailey beam 2.

[0043] In one embodiment of the present utility model, preferably, a guardrail 6 is arranged outside the Bailey beam 2.

[0044] In one embodiment of the present utility model, preferably, the certain angle satisfies 45° ≤ α ≤ 75°.

[0045] In one embodiment of the present utility model, preferably, a plurality of through holes are provided on both the fixing rod 802 and the connecting column 801. The several screw rods pass through the through holes of the fixing rod 802 and are detachably connected, and the two fixing legs respectively pass through the through holes of the two connecting columns 801 and are detachably connected.

[0046] To enable those skilled in the art to better understand the technical solution of the present utility model, the following embodiments are provided for illustration:

[0047] A construction support structure for a capping beam spanning a highway, comprising:

[0048] Two groups of column groups, each column group includes several steel columns 1. Each steel column 1 is arranged vertically, and one end of the steel column 1 is fixed on the ground. The two groups of column groups are respectively erected on the outer sides of two piers spanning the highway; a horizontal bracing 3 is further provided in each column group along the horizontal direction. The horizontal bracing 3 includes multiple crossbeams, and both ends of each crossbeam are respectively connected to two of the steel columns 1.

[0049] Several Bailey beams 2, and several Bailey beams 2 are connected in sequence to form a support, and both ends of the support are respectively erected on the two groups of column groups;

[0050] Several diagonal braces 4, which are arranged at the bottom of the Bailey beam 2. The diagonal braces 4 are arranged at a certain angle α with the length direction of the Bailey beam 2; the certain angle satisfies 45° ≤ α ≤ 75°.

[0051] The embedded parts are arranged corresponding to the bridge piers. Each group of embedded parts includes two fixed legs embedded in each bridge pier and several screw rods. The two fixed legs are both arranged vertically and respectively exposed on the left and right sides of the bridge pier. The several screw rods are embedded in the bridge pier and the upper ends are exposed outside the bridge pier.

[0052] The connecting pieces are arranged corresponding to the embedded parts. Each connecting piece includes two connecting columns 801 arranged parallel to the long side direction of the Bailey beam 2 and two fixing rods 802 arranged parallel to the short side direction of the Bailey beam 2. The two ends of the two fixing rods 802 are respectively connected to the two fixing rods 802 of the two connecting columns 801. The two fixing rods 802 are arranged parallel to the short side direction of the Bailey beam 2. The connecting piece is installed above the Bailey beam 2. The several screw rods are detachably connected to the two fixing rods 802. The two fixed legs are respectively detachably connected to the two connecting columns 801.

[0053] The distribution beam 5 is installed on the top of the Bailey beam 2 and is used to share part of the support pressure.

[0054] The sand cylinders 7 are arranged at the other ends of each steel column 1.

[0055] The jacks are arranged above the sand cylinders 7. The cylinder ends of the jacks are fixed on the sand cylinders 7, and the piston ends are connected to the bottom of the Bailey beam 2.

[0056] A guardrail 6 is arranged outside the Bailey beam 2.

[0057] A plurality of through holes are formed in both the fixing rod 802 and the connecting column 801. The several screw rods pass through the through holes of the fixing rod 802 and are detachably connected. The two fixed legs respectively pass through the through holes of the two connecting columns 801 and are detachably connected.

[0058] Through the design of the diagonal braces 4, the embedded parts and the connection structure, the utility model mainly starts from reducing the height of the support structure itself and increasing the clearance height under the support. By improving the form of the support, a bent cap support is produced. The application of this support structure not only saves costs but also ensures the passing requirements. At the same time, it also improves the overall stability and bearing capacity of the support structure, ensuring construction safety and quality. Moreover, the connection is simple and fast, reducing the installation difficulty and labor intensity, improving the construction efficiency, and can be adjusted and optimized according to the actual situations of different expressways and the construction requirements of bent caps, with strong adaptability and flexibility. After the bent cap is successfully poured, the embedded parts and the connecting pieces can be disassembled, and the support can be quickly disassembled, improving the construction efficiency and reducing the construction cost.

[0059] The number of modules and the processing scale described herein are used to simplify the description of the present utility model. Applications, modifications, and variations of the present utility model will be apparent to those skilled in the art.

[0060] Although the embodiments of the present utility model have been disclosed as above, it is not limited to the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present utility model. For those familiar with the art, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present utility model is not limited to specific details and the examples shown and described herein.

Claims

1. A construction support structure for a cap beam across a highway, characterized in that: include: Two groups of column groups, each group of column groups includes a plurality of steel columns, each steel column is arranged in a vertical direction, one end of the steel column is fixed on the ground, and the two groups of column groups are respectively erected on the outside of two bridge piers spanning the expressway; A plurality of Bailey beams, wherein the plurality of Bailey beams are sequentially connected to form a bracket, and two ends of the bracket are respectively mounted on the two groups of column groups; A plurality of diagonal braces are arranged at intervals at the bottom of the Bailey beam, and the diagonal braces are arranged at a certain angle α with respect to the length direction of the Bailey beam; Embedded parts are arranged corresponding to the bridge piers, and each set of embedded parts includes two fixed legs and a plurality of screw rods embedded in each of the bridge piers, the two fixed legs are arranged in the vertical direction and are respectively exposed on the left and right sides of the bridge pier, and the plurality of screw rods are embedded in the bridge piers and the upper ends are exposed outside the bridge piers; A connecting piece is arranged corresponding to the embedded piece, each of the connecting pieces includes two connecting columns arranged parallel to the long side direction of the Bailey beam and two fixing rods arranged parallel to the short side direction of the Bailey beam, the two ends of the two fixing rods are respectively connected to the two fixing rods of the two connecting columns, the two fixing rods are arranged parallel to the short side direction of the Bailey beam, the connecting piece is installed above the Bailey beam, the plurality of screw rods are detachably connected to the two fixing rods, and the two fixing legs are respectively detachably connected to the two connecting columns.

2. The support structure for construction of a cap beam across a highway as claimed in claim 1, characterized in that: Also includes: A distribution beam is mounted on top of the Bailey beam.

3. The support structure for construction of a cap beam across a highway as claimed in claim 1, characterized in that: Each group of the upright columns is also provided with a parallel connection in the horizontal direction, wherein the parallel connection comprises a plurality of cross beams, and the two ends of the cross beams are respectively connected to two of the steel upright columns.

4. The support structure for construction of a cap beam across a highway as claimed in any one of claims 1 to 3, characterized in that: Also includes: A sand cylinder is arranged at the other end of each of the steel columns; The jack is arranged on the sand cylinder, the cylinder end of the jack is fixed on the sand cylinder, and the piston end is connected to the bottom of the Bailey beam.

5. The support structure for construction of a cap beam across a highway as claimed in claim 1, characterized in that: A guardrail is arranged outside the Bailey beam.

6. The support structure for construction of a cap beam across a highway as claimed in claim 1, characterized in that: The certain angle is 45°≤α≤75°.

7. The support structure for construction of a cap beam across a highway as claimed in claim 1, characterized in that: The fixing rod and the connecting column are both provided with a plurality of through holes, the plurality of screw rods pass through the through holes of the fixing rod and are detachably connected, and the two fixing legs pass through the through holes of the two connecting columns respectively and are detachably connected.

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