CN102296806A - Industrial plant template support structure for steel truss tool type concrete framework - Google Patents
Industrial plant template support structure for steel truss tool type concrete framework Download PDFInfo
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- CN102296806A CN102296806A CN2011101361198A CN201110136119A CN102296806A CN 102296806 A CN102296806 A CN 102296806A CN 2011101361198 A CN2011101361198 A CN 2011101361198A CN 201110136119 A CN201110136119 A CN 201110136119A CN 102296806 A CN102296806 A CN 102296806A
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Abstract
The invention relates to an industrial plant template support structure for a steel truss tool type concrete framework. The industrial plant template support structure is characterized in that an auxiliary truss support is arranged in the upper chord node of a main truss; a main truss support is arranged on the node of a support derrick; and a support derrick seat is arranged on a bearing platform foundation. In the support structure provided by the invention, because a support derrick upright post is arranged on the surface of the bearing platform foundation, the problem on the bearing capacity of the foundation does not exist, thereby fundamentally eliminating the waist contraction of a beam caused by the sinking of the support; because the main truss can be formed into pairs on the ground and hoisted in place by a tower crane, the efficacy is greatly improved; because the steel trusses are in tool type pairs and can be repeatedly used for multiple times, the materials are saved, a large quantity of scaffold pipes or square wood supports are saved for high-rise structures, and the economic benefits are quite substantial; because the ground operation is much, the adverse factors of high-altitude work are reduced; and furthermore, safety nets can be hung below the trusses, thereby realizing safety insurance on the falling from a high place and reducing the safety risks.
Description
Technical field
The present invention relates to a kind of supporting form of concrete frame industrial premises form bracing system construction.
Background technology
Construct the at present template supporting form of concrete frame of Building Trade in China mainly contains: steel pipe scaffold supports, i.e. the support of main framework beam slab is the support system that constitutes with steel pipe scaffold; Wood supports: promptly the support of main framework beam slab is the support system that constitutes with flitch or rod; Tool-typed formwork: mainly be to fly modular form, generally be used for high-rise residential houses more.The problem of support system existence at present is as follows:
1, Question of Ground Bearing Capacity
The first floor of general concrete frame all is a backfill, maximum load capacity 10kn/m
2, press scaffold standard and template rules, when the ground under the rack rod is checked, take advantage of 0.4 coefficient, so bearing capacity of foundation soil only can be by 4kn/m
2Consider, this is still by the up-to-standard consideration of backfill, the general industry concrete frame is very big from the load that vertical rod descends, therefore need to fill up the sizable rigidity backing plate of area under the vertical rod, the scene is difficult to meet the demands, template supports depression and causes the excessive situation of Vierendeel girder amount of deflection to happen occasionally, and does not have good measure to prevent.
2, steel pipe scaffold technological problems
Steel pipe scaffold also exists in the construction of several problems and is difficult to hold: the one, when the cross bar load-bearing,, just can not use when big beam section because the fastener maximum can be born the load of 800kg, and significant limitation is arranged; The 2nd, fastener manual operations during scaffold building, stubborn tightness can't check that certain risk is arranged.
3, material consumption is more long in time limit
No matter the material that consumes of steel scaffold support system or wooden support system is very big, especially at the bigger framework of floor height, needs material many, and what take is long in time limit.
Summary of the invention
The purpose of this invention is to provide a kind of safely, save time, economic, easy-operating steel truss tool-typed formwork braced structures.
For achieving the above object, the invention provides a kind of steel truss tool-type concrete frame industrial premises template braced structures, it is characterized in that: the jack truss bearing is on main couple winds up node, and the main couple bearing is supporting on the derrick node, supports mast support on the cushion cap basis.
Therefore the present invention does not exist Question of Ground Bearing Capacity owing to support the derrick column at the cushion cap surface of base, has fundamentally stopped to support " waist collapses " of the beam that sinks to causing; Because main couple can be right in the ground group, tower crane hoisted in position then, effect significantly improves; Because steel truss is that the tool-type group is right, can be repeatedly used, save material, especially the big structure of floor height has been saved a large amount of scaffold tube or flitch and has been supported, and appreciable economic benefit is arranged; Because Ground Operation is many, reduced the unfavorable factor of work high above the ground, can completely hang safety net under the truss in addition, high falling is played safety guarantee, reduced security risk.
Description of drawings
Fig. 1 is the arrangement figure of primary and secondary truss;
Fig. 2 is the sectional view along A-A line among Fig. 1;
Fig. 3 is the sectional view along B-B line among Fig. 1.
The specific embodiment
With reference to Fig. 1, Fig. 2, at first according to the length and width on factory building span and cushion cap basis 4, regulate 3,2 of primary and secondary truss and set up the span size, basic with cushion cap again for holding the power face, set up and support derrick 5, primary and secondary truss 3,2.Jack truss 2 bearings are on main couple 3 winds up node, and main couple 3 bearings are supporting on derrick 5 nodes, support mast support on cushion cap basis 4.So stressed transmission can guarantee that braced structures do not sink, and utilizes adjustable bolt 9 to regulate the absolute altitude of main couples, so that satisfy the Vierendeel girder formwork.The top mark height of support derrick column and the main couple lower edge absolute altitude discrepancy in elevation are less than 400mm.(it is 400mm that adjustable bolt can be adjusted spacing).Adjustable bolt is installed to support derrick column top, and adjusts absolute altitude on request.The plan-position of jack truss determines, is as the criterion with the plan-position of secondary beam, and each Pin jack truss of both sides, a secondary beam center, spacing is not more than 1.2 meters.Special big secondary beam can be considered with three Pin jack truss.Satisfying under the above-mentioned requirements prerequisite, the jack truss bearing is as far as possible near the main couple node that winds up.Jack truss is tied up its bearing on the main couple node with No. 8 iron wires with tower crane list product lifting, back in place.Per pass primary and secondary beam 7,6 both sides respectively are provided with a truss structure (according to load, 3 truss structures also can be arranged in parallel in Vierendeel girder bottom and Vierendeel girder both sides), and the spacing of per pass girder both sides main couple is identical with the width that supports the derrick column.Support derrick 5 and industrial premises framework reinforced concrete post 1 usefulness scaffold 8 are fixing, increase the stability that supports derrick.
With reference to Fig. 3, after supporting derrick and primary and secondary truss and setting up,, increase resistance to overturning supporting between derrick with scaffold building overturning or slip resistance analysis support system, backfill will be rammed and be filled out and lay backing plate 10 under the scaffold upright rod, prevents to sink.
Claims (1)
1. steel truss tool-type concrete frame industrial premises template braced structures is characterized in that: the jack truss bearing is on main couple winds up node, and the main couple bearing is supporting on the derrick node, supports mast support on the cushion cap basis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101361198A CN102296806A (en) | 2011-05-25 | 2011-05-25 | Industrial plant template support structure for steel truss tool type concrete framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101361198A CN102296806A (en) | 2011-05-25 | 2011-05-25 | Industrial plant template support structure for steel truss tool type concrete framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102296806A true CN102296806A (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101361198A Pending CN102296806A (en) | 2011-05-25 | 2011-05-25 | Industrial plant template support structure for steel truss tool type concrete framework |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089270A (en) * | 2015-08-20 | 2015-11-25 | 中建三局第二建设工程有限责任公司 | Construction method for formwork system of concrete beam slab quick demounting wood formwork device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079795A (en) * | 1993-03-16 | 1993-12-22 | 席先成 | Gang form and job practices thereof |
| CN201687204U (en) * | 2010-01-29 | 2010-12-29 | 中建三局建设工程股份有限公司 | Reinforcement supporting system at the top of thick bearing platform |
| CN201695674U (en) * | 2009-12-23 | 2011-01-05 | 中铁大桥局集团第一工程有限公司 | Modular cantilever concrete structure pouring framework |
| CN201704630U (en) * | 2010-05-25 | 2011-01-12 | 中铁十八局集团第三工程有限公司 | Slippage die carrier of concrete cast-in-situ continuous beam |
| CN202081639U (en) * | 2011-05-25 | 2011-12-21 | 中油吉林化建工程有限公司 | Steel truss tool type supporting structure for concrete framework industrial building templates |
-
2011
- 2011-05-25 CN CN2011101361198A patent/CN102296806A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079795A (en) * | 1993-03-16 | 1993-12-22 | 席先成 | Gang form and job practices thereof |
| CN201695674U (en) * | 2009-12-23 | 2011-01-05 | 中铁大桥局集团第一工程有限公司 | Modular cantilever concrete structure pouring framework |
| CN201687204U (en) * | 2010-01-29 | 2010-12-29 | 中建三局建设工程股份有限公司 | Reinforcement supporting system at the top of thick bearing platform |
| CN201704630U (en) * | 2010-05-25 | 2011-01-12 | 中铁十八局集团第三工程有限公司 | Slippage die carrier of concrete cast-in-situ continuous beam |
| CN202081639U (en) * | 2011-05-25 | 2011-12-21 | 中油吉林化建工程有限公司 | Steel truss tool type supporting structure for concrete framework industrial building templates |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089270A (en) * | 2015-08-20 | 2015-11-25 | 中建三局第二建设工程有限责任公司 | Construction method for formwork system of concrete beam slab quick demounting wood formwork device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111228 |