CN218521625U - Cast-in-place box girder construction bearing structure of pier department - Google Patents
Cast-in-place box girder construction bearing structure of pier department Download PDFInfo
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- CN218521625U CN218521625U CN202222219694.0U CN202222219694U CN218521625U CN 218521625 U CN218521625 U CN 218521625U CN 202222219694 U CN202222219694 U CN 202222219694U CN 218521625 U CN218521625 U CN 218521625U
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000009415 formwork Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 11
- 238000011065 in-situ storage Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000005728 strengthening Methods 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a cast-in-place case roof beam construction bearing structure of pier department, when pouring the reinforcing bar and the concrete that constitute cast-in-place case roof beam and continuously increase, the uneven gravity that distributes that component supporting component bore is through support post A, support post B transmits downwards, through the drawknot additional strengthening of horizontal straining beam and oblique straining beam, gravity is at support post A, transmit ground behind the support post B homodisperse, it does not have the enhancement connection in watering case roof beam construction bearing structure middle part to have solved, it takes place the not enough problem that has the emergence deformation or displacement of middle part intensity easily to water in case roof beam construction bearing structure to strut highly.
Description
Technical Field
The utility model relates to a cast-in-place box girder construction bearing structure of pier department belongs to road construction technical field.
Background
In order to occupy less land or improve road traffic utilization rate and the like, a bridge needs to be erected, reinforced concrete is used for symmetrically carrying out cast-in-place box girder construction on two sides of a pier when the bridge is erected, and in order to enable the reinforced concrete to obtain support after pouring and before solidification, cast-in-place box girder construction support structures need to be formed on two side edges of the pier in advance.
Although a cross-valley non-standard span cast-in-place beam support and a construction method thereof disclosed in the chinese patent publication No. CN112962427A disclose a pouring box beam construction support structure appearing on the formwork at both sides of a pier and reinforced counter-pulling connection is performed at the lower part through counter-pulling thread steel bars and mounting nuts, the reinforced connection does not exist in the middle of the pouring box beam construction support structure, and the problem of deformation or displacement is easily caused due to insufficient strength of the middle part in the pouring box beam construction support structure with a high support height.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cast-in-place box girder construction bearing structure of pier department.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of cast-in-place box girder construction bearing structure of pier department, include:
the supporting columns A and the supporting columns B are respectively arranged on two sides of the bridge pier at intervals during construction;
the top end of the support upright post A is provided with a component force support assembly for supporting a cast-in-situ box girder rubber template;
and a component force supporting component for supporting the cast-in-place box girder rubber template is arranged at the top end of the supporting upright post B.
The middle parts of the support columns A and the support columns B correspond to be transversely strengthened through transverse pull beam tie, the upper parts and the lower parts of the three transverse pull beams are distributed at intervals to transversely strengthen the tie at the middle parts of the transverse pull beams and the diagonal pull beams, and the two diagonal pull beams are used for diagonally strengthening opposite connection points between the two transverse pull beams.
The outer tie beam is also included, one end of the outer tie beam is fixedly connected with a supporting upright A or a supporting upright B which is positioned in the middle of the transverse tie beam in a pulling mode, and the other end of the outer tie beam is suspended.
The outer straining beam is connected to a supporting upright post A positioned at the middle cross straining beam.
The component force supporting assembly comprises a bearing beam, and the bearing beam is arranged on the tops of the supporting upright column A and the supporting upright column B.
The bearing beam is characterized by further comprising a Bailey sheet arranged on the bearing beam, and the Bailey sheet is in contact with the bearing beam at multiple positions.
The distribution beam is arranged on the top of the Bailey sheet and provides a stress supporting point for the installation of the bottom of the upper coiling buckle support.
The distribution beam is characterized by further comprising a plate buckle support arranged on the distribution beam, and the plate buckle support is used for carrying out multi-point uniform stress support on the square timber on the upper portion.
The cast-in-place box girder formwork further comprises square timbers arranged on the plate buckle support, and the square timbers support the cast-in-place box girder formwork.
And the square timber of the component force supporting component positioned on the top surface of the supporting upright post A is butted with the square timber of the component force supporting component positioned on the top surface of the supporting upright post B to jointly support the cast-in-situ box girder rubber template right above the pier.
The beneficial effects of the utility model reside in that: when the reinforcing steel bars and concrete which form the cast-in-place box girder are continuously increased in pouring, the gravity which is not uniformly distributed and borne by the component force supporting assembly is transmitted downwards through the supporting upright posts A and the supporting upright posts B, and the gravity is transmitted to the ground after the supporting upright posts A and the supporting upright posts B are uniformly dispersed under the strengthening action of the tie of the transverse tension beam and the inclined tension beam, so that the problems that the middle part of the pouring box girder construction supporting structure is not provided with reinforced connection, and the middle part of the pouring box girder construction supporting structure with higher supporting height is easy to have insufficient strength and deform or displace are solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-bridge pier; 21-support column a; 22-support column B; 23-a transverse tension beam; 24-diagonal draw beams; 25-external tension beam; 3-casting a box girder in situ; 4-a component force support assembly; 41-bearing beam; 42-beret; 43-distribution beam; 44-disc buckle support; 45-square wood.
Detailed Description
The technical solutions of the present invention are further described below, but the scope of protection claimed is not limited to the described ones.
See figure 1 of the drawings accompanying this specification.
The utility model provides a cast-in-place box girder construction bearing structure in pier department includes:
the supporting upright column A21 is positioned on one side of the pier 1 during construction, the supporting upright column A21 is made of steel pipes, and the bottom of the supporting upright column A21 is positioned on the ground during construction;
the supporting upright post B22 is positioned on the other side of the pier 1 during construction, the supporting upright post B22 is made of steel pipes, and the bottom of the supporting upright post B22 is positioned on the ground during construction;
the top ends of the supporting upright A21 and the supporting upright B22 are respectively provided with a component force supporting component 4 for supporting a rubber template of the cast-in-situ box girder 3;
the steel tube reinforced concrete beam is characterized by further comprising transverse tension beams 23 and diagonal tension beams 24 which are formed by steel tubes, the middle parts of the supporting columns A21 and the supporting columns B22 are correspondingly transversely strengthened through the tie of the transverse tension beams 23, the three transverse tension beams 23 are distributed at intervals up and down to transversely strengthen the tie of the middle parts of the transverse tension beams 23 and the diagonal tension beams 24, and the two diagonal tension beams 24 are used for obliquely strengthening the tie of opposite connection points between the two transverse tension beams 23.
The component force supporting component 4 supports the cast-in-place box girder 3 formwork on the top of the supporting upright A21 and the supporting upright B22, the middle parts of the supporting upright A21 and the supporting upright B22 are in reinforced connection through the transverse pull beam 23 and the diagonal pull beam 24, when the reinforcing steel bars and concrete which form the cast-in-place box girder 3 are continuously increased in pouring, the gravity which is unevenly distributed and borne by the component force supporting component 4 is transmitted downwards through the supporting upright A21 and the supporting upright B22, and the gravity is transmitted to the ground after the supporting upright A21 and the supporting upright B22 are uniformly dispersed through the pulling and strengthening effects of the transverse pull beam 23 and the diagonal pull beam 24, so that the problems that the reinforced connection does not exist in the middle part of a casting box girder construction supporting structure, the middle part strength is insufficient and deformation or displacement occurs easily in the casting box girder construction supporting structure with higher supporting height are solved.
The structure is characterized by further comprising an outer tie beam 25, one end of the outer tie beam 25 is fixedly connected with a supporting upright A21 or a supporting upright B22 which is positioned in the middle of the transverse tie beam 23 in a tie mode, only the outer tie beam 25 is shown to be connected with the supporting upright A21 in the drawing, the other end of the outer tie beam 25 is suspended and is connected with a formwork support structure below the cast-in-place box beam 3 in a tie mode during construction, and therefore the supporting upright A21 and the supporting upright B22 are connected with other formwork support structures into a whole through the outer tie beam 25. The outer tie beam 25 is connected to the support upright A21 positioned at the middle cross tie beam 23, so that the gravity center height of the support upright A21 and the support upright B22 which form a whole and are connected with other formwork support body structures can be reduced.
The component force support assembly 4 comprises a bearing beam 41, and the bearing beam 41 is arranged on the tops of a support upright A21 and a support upright B22;
the Bailey pieces 42 are arranged on the bearing beam 41, the Bailey pieces 42 are contacted with a plurality of positions of the bearing beam 41, and the Bailey pieces 42 disperse and transmit the concentrated point force on the upper part to a plurality of contact points of the bearing beam 41;
the distribution beam 43 is arranged on the top of the Bailey sheet 42, and the distribution beam 43 provides a stress supporting point for the installation of the bottom of the upper coiling buckle bracket 44;
the coiling buckle support 44 is arranged on the distribution beam 43, and the coiling buckle support 44 carries out multi-point uniform stress support on the square timber 45 at the upper part;
the cast-in-place box girder formwork support structure further comprises square timbers 45 arranged on the plate buckle support 44, and the square timbers 45 support the cast-in-place box girder 3 formwork.
The square timber 45 of the component force supporting component 4 positioned on the top surface of the supporting upright A21 is butted with the square timber 45 of the component force supporting component 4 positioned on the top surface of the supporting upright B22 to jointly support the cast-in-situ box girder 3 rubber formwork right above the pier 1.
Claims (9)
1. The utility model provides a cast-in-place box girder construction bearing structure in pier department which characterized in that includes:
the supporting columns A (21) and the supporting columns B (22) are respectively arranged at two sides of the bridge pier (1) at intervals during construction;
the top end of the support upright post A (21) is provided with a component force support assembly (4) for supporting a cast-in-situ box girder (3) rubber template;
the top end of the support column B (22) is provided with a component force support assembly (4) for supporting a cast-in-situ box girder (3) rubber template;
still including equal horizontal straining beam (23), draw roof beam (24) to one side, prop stand A (21) and support post B (22) middle part and correspond through horizontal straining beam (23) drawknot and transversely strengthen, three horizontal straining beams (23) interval distribution carry out the drawknot to horizontal straining beam (23) and draw roof beam (24) middle part to one side and transversely strengthen, two oblique straining beams (24) carry out the drawknot slant with the subtend tie point between two horizontal straining beams (23) and strengthen.
2. The cast-in-place box girder construction bearing structure at pier of claim 1, characterized in that: the device is characterized by further comprising an outer tie beam (25), wherein one end of the outer tie beam (25) is fixedly connected with a supporting upright A (21) or a supporting upright B (22) which is positioned in the middle of the transverse tie beam (23), and the other end of the outer tie beam (25) is suspended.
3. The cast-in-place box girder construction bearing structure at pier of claim 2, characterized in that: the outer straining beam (25) is connected to a supporting upright post A (21) at the middle cross straining beam (23).
4. The support structure for the construction of the cast-in-place box girder at the pier of claim 1 or 3, wherein: the component force supporting assembly (4) comprises a bearing beam (41), and the bearing beam (41) is installed on the tops of a supporting upright A (21) and a supporting upright B (22).
5. The cast-in-place box girder construction supporting structure at pier of claim 4, characterized in that: the bearing beam is characterized by further comprising Bailey pieces (42) arranged on the bearing beam (41), wherein the Bailey pieces (42) are in contact with the bearing beam (41) at multiple positions.
6. The cast-in-place box girder construction support structure at the pier of claim 5, wherein: the distribution beam (43) is arranged on the top of the Bailey sheet (42), and the distribution beam (43) provides a stressed supporting point for the installation of the bottom of the upper coiling buckle bracket (44).
7. The cast-in-place box girder construction supporting structure at pier of claim 6, characterized in that: the device also comprises a coiling buckle support (44) arranged on the distribution beam (43), and the coiling buckle support (44) supports the square timber (45) on the upper part in a multi-point uniform stress manner.
8. The cast-in-place box girder construction supporting structure at pier of claim 7, characterized in that: the cast-in-place box girder formwork support structure further comprises square timbers (45) arranged on the plate buckle support (44), and the square timbers (45) support the cast-in-place box girder (3) formwork.
9. The cast-in-place box girder construction bearing structure at pier of claim 8, characterized in that: and the square timber (45) of the component force supporting component (4) positioned on the top surface of the supporting upright A (21) is butted with the square timber (45) of the component force supporting component (4) positioned on the top surface of the supporting upright B (22) to jointly support a cast-in-place box girder (3) formwork right above the pier (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219694.0U CN218521625U (en) | 2022-08-23 | 2022-08-23 | Cast-in-place box girder construction bearing structure of pier department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219694.0U CN218521625U (en) | 2022-08-23 | 2022-08-23 | Cast-in-place box girder construction bearing structure of pier department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218521625U true CN218521625U (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222219694.0U Active CN218521625U (en) | 2022-08-23 | 2022-08-23 | Cast-in-place box girder construction bearing structure of pier department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218521625U (en) |
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2022
- 2022-08-23 CN CN202222219694.0U patent/CN218521625U/en active Active
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