CN102094524B - Construction method of high-altitude large-span beam-slab template steel support system - Google Patents
Construction method of high-altitude large-span beam-slab template steel support system Download PDFInfo
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- CN102094524B CN102094524B CN2010106084375A CN201010608437A CN102094524B CN 102094524 B CN102094524 B CN 102094524B CN 2010106084375 A CN2010106084375 A CN 2010106084375A CN 201010608437 A CN201010608437 A CN 201010608437A CN 102094524 B CN102094524 B CN 102094524B
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Abstract
The invention relates to a construction method of a high-altitude large-span beam-slab template steel support system, which is applicable to a super-high beam-slab template support system of which an upper beam slab structural layer and a lower beam slab structural layer have a distance of a plurality of layers. The method is characterized by comprising the following steps: placing joist steel on a support beam; overspreading wood boards on the joist steel; marking central lines of the joist steel on the wood boards; marking vertical and horizontal coordinate grids of upright bars according to the design distance of the template support system; laying compression-resistant steel plates, and aligning central lines of the compression-resistant steel plates with the vertical and horizontal coordinate grids of the upright bars; and arranging a corner upright bar, and then arranging a middle upright bar, a sweeping bar and a fixed horizontal bar by pulling a wire, wherein, all the upright bars are arranged on the compression-resistant steel plate, and the perpendicularity of the upright bars is not more than L/500 and 30mm. The construction method has the advantages that the template support system does not need to be erected from the lowest layer, thus lowering the erecting height of the template support system, ensuring the stability of the support system, and fundamentally solving the major critical technical difficulty of easy collapse of the super-high upright bar template support system.
Description
Technical field
The present invention relates to a kind of high-altitude long-span beam-slab template shaped steel support system job practices, be applicable to that double-layer structure beam slab up and down is at a distance of several layers super-high structure beam slab template supporting system.
Background technology
For satisfying the building structure instructions for use, particularly the top beam slab template supporting system at some high-rise market stair, escalator position need be taken top layer from bottom with support system always; The centre is the space-number layer often, because the height of setting up is very high, makes the whole slenderness ratio imbalance of support system; The support system collapse accident very easily takes place, and for guaranteeing the reliability of support system, reaching the horizontal direction bridging in length and breadth must completely establish; Constructing operation is extremely inconvenient; And supporting layer floor bearing capacity generally can not meet the demands, must this layer below the reinforcing support, waste time and energy.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high-altitude long-span beam-slab template shaped steel support system job practices, guaranteeing the stability of support system, and fundamentally solves the problem that superelevation steel pipe form bracing system is prone to collapse.
A kind of high-altitude long-span beam-slab template of the present invention shaped steel support system job practices is characterized in that i iron is placed on the brace summer, then full boarding on i iron; Center line at plank marked i iron; And the design pitch mark vertical rod of pressing form bracing system grid square net in length and breadth, lay the resistance to compression steel plate, and make resistance to compression steel plate center line and vertical rod in length and breadth the grid square net align; The bight vertical rod is set then; Vertical rod, sweep the floor bar and fixed level bar in the middle of backguy is provided with then, all vertical rods all are arranged on the resistance to compression steel plate, vertical rod verticality≤L/500 and≤30mm.
It is 900mm that wherein said i iron is put spacing, and the resistance to compression plate size is 5 * 150 * 150mm.
I iron of the present invention is selected the above i iron of 30# for use.
The invention has the advantages that and changed conventional superelevation form bracing system; Utilization needs next sandwich beam of formwork position to do the brace foundation of i iron; On i iron, set up template vertical rod support system then; Realized that phase difference layer beam slab supports the purpose that need not set up form bracing system from the bottom; Reduce the scaffolding height of form bracing system, guaranteed the stability of support system, and fundamentally solved the great guardian technique difficult problem that superelevation vertical rod form bracing system is prone to collapse.
The specific embodiment
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1:
Choose the i iron that model is 32b, i iron is placed on the brace summer by the 900mm spacing, then full boarding on i iron; Center line at plank marked i iron; And the design pitch mark vertical rod of pressing form bracing system grid square net in length and breadth, lay and be of a size of the resistance to compression steel plate of 5 * 150 * 150mm, and make resistance to compression steel plate center line and vertical rod in length and breadth the grid square net align; The bight vertical rod is set then; Vertical rod, sweep the floor bar and fixed level bar in the middle of backguy is provided with then, all vertical rods all are arranged on the resistance to compression steel plate, vertical rod verticality≤L/500 and≤30mm.
The present invention need not set up form bracing system from the bottom, has reduced the scaffolding height of form bracing system, has guaranteed the stability of support system, and has fundamentally solved the great guardian technique difficult problem that superelevation vertical rod form bracing system is prone to collapse.
Claims (3)
1. a high-altitude long-span beam-slab template shaped steel support system job practices is characterized in that i iron is placed on the brace summer, then full boarding on i iron; Center line at plank marked i iron; And the design pitch mark vertical rod of pressing form bracing system grid square net in length and breadth, lay the resistance to compression steel plate, and make resistance to compression steel plate center line and vertical rod in length and breadth the grid square net align; The bight vertical rod is set then; Vertical rod, sweep the floor bar and fixed level bar in the middle of backguy is provided with then, all vertical rods all are arranged on the resistance to compression steel plate, vertical rod verticality≤L/500 and≤30mm.
2. high-altitude long-span beam-slab template shaped steel support system job practices according to claim 1 is characterized in that it is 900mm that i iron is put spacing.
3. high-altitude long-span beam-slab template shaped steel support system job practices according to claim 1 and 2 is characterized in that the resistance to compression plate size is 5 * 150 * 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106084375A CN102094524B (en) | 2010-12-28 | 2010-12-28 | Construction method of high-altitude large-span beam-slab template steel support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106084375A CN102094524B (en) | 2010-12-28 | 2010-12-28 | Construction method of high-altitude large-span beam-slab template steel support system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094524A CN102094524A (en) | 2011-06-15 |
| CN102094524B true CN102094524B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106084375A Expired - Fee Related CN102094524B (en) | 2010-12-28 | 2010-12-28 | Construction method of high-altitude large-span beam-slab template steel support system |
Country Status (1)
| Country | Link |
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| CN (1) | CN102094524B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619335A (en) * | 2012-05-04 | 2012-08-01 | 河北省第二建筑工程公司 | Construction method of large-height small-sized cast-in-place concrete beam slab |
| CN103031955B (en) * | 2012-12-27 | 2014-11-26 | 山东万鑫建设有限公司 | Template supporting system resisting impact force of horizontal pipe and construction method of template supporting system |
| CN103556826B (en) * | 2013-11-18 | 2015-08-26 | 山东万鑫建设有限公司 | The superstructure region supports system construction method of region, ater-casting and both sides thereof |
| CN103835500B (en) * | 2013-12-19 | 2016-01-20 | 中铁大桥局集团第一工程有限公司 | Heavy-duty floor-type steel pipe support unload Demolition Construction method |
| CN114592540A (en) * | 2022-03-08 | 2022-06-07 | 成都建工集团有限公司 | Subway upper cover building oversized beam template supporting system and construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123032A (en) * | 1977-07-05 | 1978-10-31 | Ingenium Ingenieurgesellschaft Fur Mehrzweckbauten, Industrieanlagen Und Gelandenutzung Mbh Bau-Kommanditgesellschaft | Arrangement for encasing steel concrete ceilings provided with trusses |
| CN201261942Y (en) * | 2008-08-08 | 2009-06-24 | 广州市建筑机械施工有限公司 | Stand platform for cantilevered concrete structure construction |
| CN101824905A (en) * | 2010-06-04 | 2010-09-08 | 中建三局建设工程股份有限公司 | Assembly type variable steel girder platform, distribution method and assembly method thereof |
| CN101886466A (en) * | 2010-07-09 | 2010-11-17 | 中国二十二冶集团有限公司 | Construction method for support structure of coal tower template for tamping type coke oven |
-
2010
- 2010-12-28 CN CN2010106084375A patent/CN102094524B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123032A (en) * | 1977-07-05 | 1978-10-31 | Ingenium Ingenieurgesellschaft Fur Mehrzweckbauten, Industrieanlagen Und Gelandenutzung Mbh Bau-Kommanditgesellschaft | Arrangement for encasing steel concrete ceilings provided with trusses |
| CN201261942Y (en) * | 2008-08-08 | 2009-06-24 | 广州市建筑机械施工有限公司 | Stand platform for cantilevered concrete structure construction |
| CN101824905A (en) * | 2010-06-04 | 2010-09-08 | 中建三局建设工程股份有限公司 | Assembly type variable steel girder platform, distribution method and assembly method thereof |
| CN101886466A (en) * | 2010-07-09 | 2010-11-17 | 中国二十二冶集团有限公司 | Construction method for support structure of coal tower template for tamping type coke oven |
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| Publication number | Publication date |
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| CN102094524A (en) | 2011-06-15 |
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