CN112900442A - Method for quickly constructing gate pier concrete high and large template - Google Patents
Method for quickly constructing gate pier concrete high and large template Download PDFInfo
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- CN112900442A CN112900442A CN202110153303.7A CN202110153303A CN112900442A CN 112900442 A CN112900442 A CN 112900442A CN 202110153303 A CN202110153303 A CN 202110153303A CN 112900442 A CN112900442 A CN 112900442A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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Abstract
A method for quickly constructing a gate pier concrete high and large template comprises the following steps: measuring and paying off, before installation, measuring and lofting to determine a template installation side line, and showing a position line of each template according to a template matching icon; assembling the templates, and pre-assembling each group of templates before installation; installing the templates, namely installing the assembled templates in sequence according to a measurement paying-off and template matching drawing by adopting a manual matching crane; and (5) reinforcing and adjusting the template. By adopting the structure, the existing multi-clamp template of the project is utilized to assemble a high and large template supporting system, and a customized steel template does not need to be additionally configured according to the traditional construction process, so that the construction efficiency is improved, the construction period is greatly shortened, and the construction cost is reduced.
Description
Technical Field
The invention relates to the field of concrete construction of hydraulic junction engineering, in particular to a method for quickly constructing a gate pier concrete high and large template.
Background
The gate pier concrete has the characteristics of high height, large volume, high construction standard, high construction difficulty and the like, and the problems of short construction period, limited template resource allocation, low construction efficiency and the like commonly exist in the construction process. The traditional construction method requires that the layering thickness of large-volume concrete generally does not exceed 3m, and the high and large templates are generally combined by specially-made integral high and large steel dies or conventional loose-spliced templates, so that the template utilization rate is low, and the resource allocation cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for quickly constructing a gate pier concrete high and large template, which utilizes the existing multi-clamp templates of the engineering to assemble a high and large template supporting system, does not need to additionally configure and customize a steel template according to the traditional construction process, improves the construction efficiency, greatly shortens the construction period and reduces the construction cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a method for quickly constructing a gate pier concrete high and large template comprises the following steps:
firstly, measuring and paying off, before installation, measuring and lofting to determine a template installation side line, and showing a position line of each template according to a template matching icon;
assembling the templates, and pre-assembling each group of templates before installation;
thirdly, installing the templates, namely installing the assembled templates in sequence according to a measurement paying-off and template matching drawing by adopting a manual matching crane;
fourthly, reinforcing and adjusting the template;
step two, the assembling template comprises an assembling pier head arc template and a plane template, the pier head arc template adopts a shaping template, the arc is divided into a half block, and all the unit pieces are connected into a whole by a fixing piece on the plane of the bottom plate of the lock chamber;
the plane template adopts a multi-card panel which is assembled and formed at two sides, and is reinforced by a back bracket of a multi-card template system, and the plane of the bottom plate of the lock chamber is connected into a whole by a fixing piece; mounting back ridges on the multi-card panel, connecting the two back ridges into a whole to form a large template back ridge by adopting a connecting plate and a mounting bolt on site, then placing the two back ridges on the back of the multi-card panel according to the size according to an assembly drawing, and fixing the back ridges on the multi-card panel by using hook head bolts; the temporary support system is connected with the back edge by adopting a connecting plate and a bolt, a shaft lever inclined strut is installed, a shaft lever protective cover is installed on the shaft lever, the lengths of extended threads at two ends of the shaft lever are kept equal, and then an upper operating platform is installed;
in the third step, the template installation comprises the steps of firstly installing pier head arc templates, then sequentially installing multi-clamping panels on two sides according to a panel matching diagram, leveling the uneven parts of the bottom openings of the templates by using wedges, temporarily fixing the templates by using shaft lever inclined supports after the adjustment is in place, and connecting the templates by using U-shaped cards; after the integral template is adjusted in place, sealing the bottom opening by adopting mortar;
and in the fourth step, the template reinforcement adjustment comprises template reinforcement, installation of preset suspension anchor points and pier tail templates, after the templates are installed and adjusted, the flatness, verticality, contour dimension, operation platform and the like are checked inside, the installation of the large templates is completed, and the acceptance is reported after the templates are qualified.
In the preferred scheme, the template is reinforced by adopting a tie rod, a steel plate and a matched nut and matched with a tie rod sleeve for repeated use, and a template inner support steel bar and a protective layer cushion block are arranged in the template for reinforcement.
In the preferred scheme, the preset suspension anchoring points adopt embedded positioning cones and flexible anchor bars.
In the preferred scheme, pier tail template installation adopt exempt from to tear open the template, the outer reinforcing bar is transversely adopted to the skeleton, vertical adoption double steel pipe is consolidated.
The method for quickly constructing the gate pier concrete high and large template, which is provided by the invention, has the following beneficial effects by adopting the structure:
(1) the existing multi-clamp template of the engineering is utilized to assemble a high and large template supporting system, and a customized steel template does not need to be additionally configured according to the traditional construction process, so that the construction efficiency is improved;
(2) local materials are used, equipment materials for high-rise or super high-rise pouring are matched, the method is creatively applied, the traditional pouring mode and the using mode are broken, and the construction period is greatly shortened;
(3) the construction material can be repeatedly used, so that the construction cost is reduced, and the skilled operation of constructors is facilitated.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of a measurement line of the present invention.
Fig. 2 is an assembly schematic view of the pier nose arc formwork of the present invention.
Fig. 3 is a schematic view of the assembly of the flat form of the present invention.
Fig. 4 is a schematic view of the assembly of the flat form of the present invention.
Fig. 5 is a schematic view of the assembly of the flat form of the present invention.
Fig. 6 is a schematic view of the formwork installation of the present invention.
Fig. 7 is a schematic view of the overall structure of the present invention.
Fig. 8 is a schematic view of the pier tail template of the present invention.
In the figure: template installation sideline 1, pier nose arc template 2, many calories of panels 3, stupefied 4 of the back of the body, connecting plate 5, construction bolt 6, gib head bolt 7, connecting plate 8, bolt 9, axostylus axostyle 10, operation platform 11, counter-pull rod 12, steel sheet 13, supporting nut 14, pull rod cover 15, template internal stay reinforcing bar 16, pilot cone 17, the anchor bar 18 of scratching the shape, exempt from to tear open template 19, outer reinforcing bar 20, two steel pipes 21.
Detailed Description
As shown in fig. 1-8, a method for rapidly constructing a gate pier concrete high and large formwork comprises the following steps:
the method comprises the following steps: measuring and paying off, before installation, measuring and lofting to determine a template installation sideline 1, and showing a position line of each template according to a template matching icon;
step two: assembling the pier head arc-shaped template 2, wherein the pier head arc-shaped template 2 adopts a shaping template, and the arc is divided into 1/2 blocks and has the height of 3.15 m; on the plane of the bottom plate of the lock chamber, connecting the unit pieces of the arc-shaped template into a whole by using M16 multiplied by 45 bolts;
step three: and (3) assembling the plane templates, assembling and forming the planes on two sides by adopting a 3 m-by-3.3 m multi-card template panel 3, and reinforcing the back edge 4 by adopting a D22 type multi-card template system.
Assembling the single plane template: on the plane of the bottom plate of the lock chamber, two 3M x 3.3M multi-card panels 3 are connected into a whole by using M16 x 45 bolts;
the back edge of the plane template is installed, and the back edge 4 of the D22 type multi-card template system adopts double-channel steel and is 3.5m long; connecting the two back edges 4 into a whole to form a large template back edge 4 by adopting a connecting plate 5 and a mounting bolt 6 on site; then two back ridges 4 are placed on the back of the multi-card panel 3 according to the size on the multi-card panel 3 according to an assembly drawing, and are fixed on the multi-card panel 3 by hook head bolts 7;
mounting a support system, namely connecting a connecting plate 8 and a bolt 9 with a back edge 4, mounting an inclined strut of a shaft lever 10, mounting the shaft lever 10, mounting a shaft lever protective cover, paying attention to make the lengths of extended threads at two ends of the shaft lever 10 equal, and mounting an upper operating platform 11;
step four: installing the templates, namely installing the assembled templates in sequence according to a measurement paying-off and template matching drawing by adopting a manual matching crane;
firstly, installing a pier nose arc-shaped template 2, leveling a bottom opening by adopting a wedge, and temporarily fixing the template by adopting an inclined strut of a shaft lever 10 after the adjustment is in place so as to prevent the template from overturning; then, the multi-card panels 3 on two sides are sequentially installed according to a matching board drawing, the uneven parts of the bottom openings of the templates are leveled by adopting wedge irons, and the templates are connected by adopting U-shaped cards. After the integral template is adjusted in place, sealing the bottom opening by adopting mortar;
step five: and (3) reinforcing the template, wherein the counter pull rod 12 is finish-rolled deformed steel bar with the diameter of 20mm, the transverse distance a =1500mm, the longitudinal distance b =1200mm, two ends of the counter pull rod are reinforced by adopting 30cm multiplied by 15cm multiplied by 1.5cm steel plates 13 and matched nuts 14, and the pull rod sleeve 15 is made of phi 32 PVC pipes, so that the pull rod can be repeatedly used. Reinforcing the template internal bracing steel bars 16 and the protective layer cushion blocks, wherein the internal bracing distance is 1.5-2 m;
step six: and embedding positioning cones 17 and phi 20 flexible anchor bars 18, and preparing suspension anchoring points for installing the second-layer multi-clamp template.
Step seven: the pier tail template is installed, the pier tail adopts a non-dismantling template 19, the framework adopts phi 20 outer-layer steel bars 20 transversely, and the double steel pipes 21 are vertically adopted to be used as back ridges for reinforcement.
The invention has the beneficial effects that: the existing multi-clamp template of the engineering is utilized to assemble a high and large template supporting system, a customized steel template does not need to be additionally configured according to the traditional construction process, the construction efficiency is improved, the construction period is greatly shortened, and the construction cost is reduced.
Claims (4)
1. A method for quickly constructing a gate pier concrete high and large template comprises the following steps:
firstly, measuring and paying off, before installation, measuring and lofting to determine a template installation sideline (1), and showing a position line of each template according to a template matching icon;
assembling the templates, and pre-assembling each group of templates before installation;
thirdly, installing the templates, namely installing the assembled templates in sequence according to a measurement paying-off and template matching drawing by adopting a manual matching crane;
fourthly, reinforcing and adjusting the template;
the method is characterized in that:
in the step (II), the assembling template comprises an assembling pier head arc template (2) and a plane template, the pier head arc template (2) adopts a shaping template, the arc is divided into blocks according to half, and all the unit pieces are connected to form a whole by using a fixing piece on the plane of the bottom plate of the lock chamber;
the plane template is formed by splicing two layers of multi-card panels (3), is reinforced by a back bracket of a multi-card template system, and is connected into a whole by a fixing piece on the plane of the bottom plate of the lock chamber; then mounting a back edge (4) on the multi-card panel (3), connecting the two back edges (4) into a whole by adopting a connecting plate (5) and a mounting bolt (6) to form a large template back edge (4), placing the two back edges (4) on the back of the multi-card panel (3) according to the assembly drawing according to the size, and fixing the back edges on the multi-card panel (3) by using hook head bolts (7); the temporary support system is connected with the back edge (4) by adopting a connecting plate (8) and a plug pin (9), an inclined strut of a shaft lever (10) is installed, a shaft lever protective cover is installed on the shaft lever (10), the lengths of extended threads at two ends of the shaft lever (10) are kept equal, and then an upper operating platform (11) is installed;
in the step (III), the template installation comprises the steps of firstly installing a pier nose arc-shaped template (2), then sequentially installing multiple clamping panels (3) on two sides according to a matched plate drawing, leveling the uneven positions of the bottom opening of the template by using a wedge, temporarily fixing the template by using an inclined strut of a shaft lever (10) after the template is adjusted in place, and connecting the templates by using U-shaped cards; after the integral template is adjusted in place, sealing the bottom opening by adopting mortar;
and (IV) template reinforcement and adjustment comprise template reinforcement, installation of preset suspension anchor points and pier tail templates, after the templates are installed and adjusted, the flatness, the verticality, the contour dimension, the operation platform (11) and the like are checked inside, the installation of the tall templates is completed, and the acceptance is reported after the templates are qualified.
2. The method for quickly constructing the gate pier concrete tall formwork according to the claim 1, which is characterized in that: the template is reinforced by adopting a tie rod (12), a steel plate (13) and a matched nut (14) and matched with a tie rod sleeve (15) for repeated use, and a template inner supporting steel bar (16) and a protective layer cushion block are arranged in the template for reinforcement.
3. The method for quickly constructing the gate pier concrete tall formwork according to the claim 1, which is characterized in that: the preset suspension anchoring points adopt pre-buried positioning cones (17) and flexible anchor bars (18).
4. The method for quickly constructing the gate pier concrete tall formwork according to the claim 1, which is characterized in that: the pier tail template installation adopt exempt from to tear open template (19), the skeleton transversely adopts outer reinforcing bar (20), vertically adopts two steel pipes (21) to consolidate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153303.7A CN112900442A (en) | 2021-02-04 | 2021-02-04 | Method for quickly constructing gate pier concrete high and large template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153303.7A CN112900442A (en) | 2021-02-04 | 2021-02-04 | Method for quickly constructing gate pier concrete high and large template |
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| CN112900442A true CN112900442A (en) | 2021-06-04 |
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| CN202110153303.7A Pending CN112900442A (en) | 2021-02-04 | 2021-02-04 | Method for quickly constructing gate pier concrete high and large template |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994389A (en) * | 2010-10-26 | 2011-03-30 | 中联世纪建设集团有限公司 | Method for constructing high template |
| CN104790353A (en) * | 2015-05-05 | 2015-07-22 | 广东省源天工程有限公司 | Sluice pier construction method for small and medium size sluices |
| CN105863695A (en) * | 2016-05-03 | 2016-08-17 | 许国安 | Sectional and modular combined anchor rod capable of resisting large deformation and impact and assembling method of combined anchor rod |
| CN109958062A (en) * | 2019-04-12 | 2019-07-02 | 北京市政建设集团有限责任公司 | A kind of pier stud construction technology |
| CN209874484U (en) * | 2018-12-29 | 2019-12-31 | 浙江二十冶建设有限公司 | Aluminum alloy template bracing device |
-
2021
- 2021-02-04 CN CN202110153303.7A patent/CN112900442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994389A (en) * | 2010-10-26 | 2011-03-30 | 中联世纪建设集团有限公司 | Method for constructing high template |
| CN104790353A (en) * | 2015-05-05 | 2015-07-22 | 广东省源天工程有限公司 | Sluice pier construction method for small and medium size sluices |
| CN105863695A (en) * | 2016-05-03 | 2016-08-17 | 许国安 | Sectional and modular combined anchor rod capable of resisting large deformation and impact and assembling method of combined anchor rod |
| CN209874484U (en) * | 2018-12-29 | 2019-12-31 | 浙江二十冶建设有限公司 | Aluminum alloy template bracing device |
| CN109958062A (en) * | 2019-04-12 | 2019-07-02 | 北京市政建设集团有限责任公司 | A kind of pier stud construction technology |
Non-Patent Citations (3)
| Title |
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| 张利荣主编: "《大型抽水蓄能电站施工关键技术》", 31 May 2018, 江西科学技术出版社 * |
| 李开志等: ""套口进洪闸闸墩组合大钢模板安装施工技术"", 《水利建设与管理》 * |
| 莫大源: ""多卡悬臂模板在龙滩水电站右岸导流洞混凝土浇筑中的应用"", 《水利水电技术》 * |
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Application publication date: 20210604 |
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