CN112627037A - Bridge pier capping beam template cantilever support and construction method thereof - Google Patents
Bridge pier capping beam template cantilever support and construction method thereof Download PDFInfo
- Publication number
- CN112627037A CN112627037A CN202011496088.2A CN202011496088A CN112627037A CN 112627037 A CN112627037 A CN 112627037A CN 202011496088 A CN202011496088 A CN 202011496088A CN 112627037 A CN112627037 A CN 112627037A
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- pier
- cantilever
- support
- template
- capping beam
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a pier bent cap template cantilever, includes the support stick, regulating block, two girders, a plurality of distribution roof beams, its characterized in that: the support rod is a solid cylindrical iron rod and is inserted into a pipeline hole pre-embedded in each pier column; the regulating block is two iron right angle triangle prisms, two girders are made by the I-steel, set up respectively in two pier regulating block coincide body tops, the material of a plurality of distribution roof beams is the channel-section steel, and a plurality of distribution roof beams use the equal interval apart from flat the setting in two girder tops, reach pier bent cap template cantilever crane. The cantilever support for the pier capping beam template and the construction method thereof have the advantages of simple support structure, convenience in manufacturing, safe and reliable engineering quality, reduction of high-altitude operation risks, great improvement of construction efficiency, reduction of technical measures and reduction of engineering cost by using poured pier studs to bear loads transmitted by the capping beam support and the upper part of the pier.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a cantilever support of a capping beam template of a bridge pier and a construction method thereof.
Background
The bridge capping beam bears the load transmitted by the beam slab and is divided into the abutment capping beam and the pier capping beam, the pier capping beam is mostly positioned on roads, riverways and the like spanned by the bridge, the construction formwork support adopts the conventional erection support for construction, the defects of long construction period and large capital investment exist, and meanwhile, due to different geological conditions of a construction site, the erection support is settled and deformed to seriously influence the construction safety and the construction quality of the capping beam.
Therefore, the known bridge pier bent cap formwork support erection mode has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a safe and reliable cantilever support for a pier capping beam template.
The invention also aims to provide a safe and reliable construction method of the pier capping beam template cantilever support.
In order to achieve the purpose, the technical solution of the invention is as follows:
the utility model provides a pier bent cap template cantilever, two pier correspondences are arranged, keep somewhere the level according to the highly pre-buried PVC pipeline formation of calculation at the pier column top surface of every pier to the pipeline hole, pier bent cap template cantilever includes the support stick, regulating block, two girders, a plurality of distribution roof beams, its characterized in that:
the support rod is a solid cylindrical iron rod and is inserted into a pipeline hole pre-embedded in each pier column;
the adjusting block is composed of two iron right-angle triangular prisms which are mutually overlapped by bevel edges, and the right-angle edge of one right-angle triangular prism is placed above the supporting rod;
the two main beams are made of I-shaped steel and are respectively erected above the superposed body of the two pier adjusting blocks, specifically above the right-angle side of the other right-angle triangular prism to form a cantilever beam between the two piers;
the material of a plurality of distribution roof beams is the channel-section steel, and a plurality of distribution roof beams are arranged in two girder tops with the same interval is flat, reaches pier bent cap template cantilever support.
The cantilever support of the pier capping beam template can be further realized by adopting the following technical measures.
In the cantilever support for the pier capping beam template, the arrangement direction of the pipeline holes is horizontal and vertical to the direction of a bridge formed by two piers.
In the cantilever support for the pier capping beam template, the superposed section of the two iron right-angle triangular prisms is rectangular.
In the cantilever support for the pier capping beam template, the two main beams are arranged in parallel.
In the cantilever support for the pier capping beam template, the distribution beam and the main beam are horizontally and vertically arranged.
A construction method of a cantilever support of a pier capping beam template is characterized by comprising the following steps:
a. pre-burying a PVC pipeline according to the calculated height during the construction of each pier column, so that PVC pipeline holes are left;
b. inserting a support rod into the reserved hole channel, wherein the support rod is a solid cylindrical iron rod;
c. after the support rod is installed, a main beam is hoisted, the bottom of the main beam is arranged on the adjusting block, and the elevation of the main beam is adjusted;
d. the distribution beams are installed and made of channel steel, and the distribution beams are arranged above the two main beams at the same interval in a parallel mode to achieve the cantilever support of the pier capping beam template.
After the technical scheme is adopted, the cantilever support of the pier capping beam template and the construction method thereof have the following advantages:
1. the bracket has simple structure and convenient manufacture;
2. the engineering quality is safe and reliable, the risk of high-altitude operation is reduced, and the construction efficiency is greatly improved;
3. the poured pier stud is used for bearing the load transmitted by the bent cap support and the upper part, so that technical measures are reduced, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic plan view of a stent according to an embodiment of the present invention;
fig. 2 is a schematic elevation view of a stent according to an embodiment of the invention.
In the figure: 1 support rod, 2 regulating blocks, 3 main beams and 4 distribution beams.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The cantilever support for the capping beam template of the bridge pier is characterized in that two bridge piers are correspondingly arranged, a horizontal pipeline hole formed by pre-embedding a PVC pipeline according to the calculated height is reserved on the top surface of a pier column of each bridge pier, and the cantilever support for the capping beam template of the bridge pier comprises a support rod, an adjusting block, two main beams and a plurality of distribution beams.
Referring now to fig. 1 and 2, fig. 1 is a schematic plan view of a bracket according to an embodiment of the present invention, and fig. 2 is a schematic elevation view of the bracket according to the embodiment of the present invention. As shown in the figure, the support rod 1 is a solid cylindrical iron rod and is inserted into a pipeline hole pre-embedded in each pier column; the arrangement direction of the pipeline holes is horizontally vertical to the direction of a bridge formed by two piers.
The adjusting block 2 is composed of two iron right-angle triangular prisms which are mutually overlapped by bevel edges, and the right-angle edge of one right-angle triangular prism is placed above the supporting rod; the superposed section of the two iron right-angle triangular prisms is rectangular.
The two main beams are made of I-shaped steel and are respectively erected above the superposed body of the two pier adjusting blocks, specifically above the right-angle side of the other right-angle triangular prism to form a cantilever beam between the two piers; the two main beams are arranged in parallel.
The material of a plurality of distribution roof beams is the channel-section steel, and a plurality of distribution roof beams are arranged in two girder tops with the same interval is flat, reaches pier bent cap template cantilever support. The distribution beam and the main beam are horizontally and vertically arranged.
Example 2
The invention relates to a construction method of a cantilever support of a pier capping beam template, which comprises the following steps of;
step 1, pre-burying a PVC pipeline according to the calculated height during the construction of pier columns;
and 4, mounting the distribution beams 4 to finish the construction of the pier capping beam template cantilever support. And then, carrying out subsequent construction by taking the cantilever support of the pier capping beam template as a basis, erecting the capping beam template, binding reinforcing steel bars and pouring capping beam concrete.
The pier capping beam template cantilever support and the construction method thereof solve the technical problems that the construction period is long and the capital investment is large when common supports are used for building and constructing pier capping beams, and the construction safety and the construction quality of the capping beams are seriously influenced by the support settlement and deformation.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (6)
1. The utility model provides a pier bent cap template cantilever, two pier correspondences are arranged, keep somewhere the level according to the highly pre-buried PVC pipeline formation of calculation at the pier column top surface of every pier to the pipeline hole, pier bent cap template cantilever includes the support stick, regulating block, two girders, a plurality of distribution roof beams, its characterized in that:
the support rod is a solid cylindrical iron rod and is inserted into a pipeline hole pre-embedded in each pier column;
the adjusting block is composed of two iron right-angle triangular prisms which are mutually overlapped by bevel edges, and the right-angle edge of one right-angle triangular prism is placed above the supporting rod;
the two main beams are made of I-shaped steel and are respectively erected above the superposed body of the two pier adjusting blocks, specifically above the right-angle side of the other right-angle triangular prism to form a cantilever beam between the two piers;
the material of a plurality of distribution roof beams is the channel-section steel, and a plurality of distribution roof beams are arranged in two girder tops with the same interval is flat, reaches pier bent cap template cantilever support.
2. The bridge pier capping beam template cantilever bracket of claim 1, wherein the arrangement direction of the pipeline holes is horizontal and vertical to the direction of a bridge formed by two bridge piers.
3. The bridge pier capping beam template cantilever support of claim 1, wherein the superposed section of the two iron right-angled triangular prisms is rectangular.
4. The bridge pier capping beam template cantilever bracket of claim 1, wherein the two main beams are arranged in parallel.
5. The bridge pier capping beam template cantilever bracket of claim 1, wherein the distribution beam is horizontally and vertically arranged with the main beam.
6. A construction method of the pier capping beam template cantilever bracket according to claim 1, characterized by comprising the steps of:
a. pre-burying a PVC pipeline according to the calculated height during the construction of each pier column, so that PVC pipeline holes are left;
b. inserting a support rod into the reserved hole channel, wherein the support rod is a solid cylindrical iron rod;
c. after the support rod is installed, a main beam is hoisted, the bottom of the main beam is arranged on the adjusting block, and the elevation of the main beam is adjusted;
d. the distribution beams are installed and made of channel steel, and the distribution beams are arranged above the two main beams at the same interval in a parallel mode to achieve the cantilever support of the pier capping beam template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011496088.2A CN112627037A (en) | 2020-12-17 | 2020-12-17 | Bridge pier capping beam template cantilever support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011496088.2A CN112627037A (en) | 2020-12-17 | 2020-12-17 | Bridge pier capping beam template cantilever support and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112627037A true CN112627037A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011496088.2A Pending CN112627037A (en) | 2020-12-17 | 2020-12-17 | Bridge pier capping beam template cantilever support and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112627037A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203923913U (en) * | 2014-05-19 | 2014-11-05 | 东风设计研究院有限公司 | The load formula carrier structure of Bridge High-pier bent cap |
| KR20150005300A (en) * | 2013-07-05 | 2015-01-14 | 지에스건설 주식회사 | Permanent form preventing interference of reinforcing bar and construction method for coping |
| CN204919347U (en) * | 2015-08-07 | 2015-12-30 | 山西四建集团有限公司 | Iron wedge support system with adjustable pier is accepted bent cap construction and is used |
| CN207633222U (en) * | 2017-12-06 | 2018-07-20 | 中铁二十三局集团第三工程有限公司 | Bridge pier binder Coping Construction platform |
| CN109706846A (en) * | 2019-02-28 | 2019-05-03 | 青岛瑞源工程集团有限公司 | High, narrow bridge bent cap punching rod iron construction method for sloped ground |
| CN210315229U (en) * | 2019-05-22 | 2020-04-14 | 青岛东捷建设工程有限公司 | High-narrow bridge bent cap template support structure based on through steel bar |
-
2020
- 2020-12-17 CN CN202011496088.2A patent/CN112627037A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150005300A (en) * | 2013-07-05 | 2015-01-14 | 지에스건설 주식회사 | Permanent form preventing interference of reinforcing bar and construction method for coping |
| CN203923913U (en) * | 2014-05-19 | 2014-11-05 | 东风设计研究院有限公司 | The load formula carrier structure of Bridge High-pier bent cap |
| CN204919347U (en) * | 2015-08-07 | 2015-12-30 | 山西四建集团有限公司 | Iron wedge support system with adjustable pier is accepted bent cap construction and is used |
| CN207633222U (en) * | 2017-12-06 | 2018-07-20 | 中铁二十三局集团第三工程有限公司 | Bridge pier binder Coping Construction platform |
| CN109706846A (en) * | 2019-02-28 | 2019-05-03 | 青岛瑞源工程集团有限公司 | High, narrow bridge bent cap punching rod iron construction method for sloped ground |
| CN210315229U (en) * | 2019-05-22 | 2020-04-14 | 青岛东捷建设工程有限公司 | High-narrow bridge bent cap template support structure based on through steel bar |
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Application publication date: 20210409 |