CN103334514A - Full precast frame steel support structure and construction method thereof - Google Patents
Full precast frame steel support structure and construction method thereof Download PDFInfo
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- CN103334514A CN103334514A CN2013102384730A CN201310238473A CN103334514A CN 103334514 A CN103334514 A CN 103334514A CN 2013102384730 A CN2013102384730 A CN 2013102384730A CN 201310238473 A CN201310238473 A CN 201310238473A CN 103334514 A CN103334514 A CN 103334514A
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Abstract
The invention relates to the technical field of construction engineering, in particular to a full precast frame steel support shear wall structure. The full precast frame steel support structure comprises a precast frame, a support and embedded parts, wherein the precast frame is arranged in the position where a cast-in-place shear wall is arranged and in a high-layer frame structure; the steel support is arranged in the precast frame and is connected with the precast frame through the embedded parts. The fully assembled frame-steel support structural system replaces the frame-shear wall system which needs cast-in-place for a part, so that full precast assembly of components of the high-layer frame structure is realized; precast assembly rate of the structure is improved; construction industrial technology of the high-layer frame structure is developed.
Description
Technical field
The present invention relates to construction engineering technical field, specifically is that a kind of full precast frame steel supports shear wall structure.
Background technology
Industrialization of construction industry can energy-saving and emission-reduction, the protection environment, improve construction quality, reduce builing industry cost of labor, alleviate the construction worker labour intensity, to shorten the construction period be the main direction of builing industry upgrading and transformation.The prefabricated assemblingization of building structure is the fundamental technics of industrialization of construction industry.
Choose reasonable fabric structure system is the important content of the prefabricated assembling building of design, also is one of technology that realizes the industrialization of construction industry most critical.
According to present domestic current standard, prefabricated assembling framework system is used for many rooms building more.For highrise building, frame construction generally need be set up some shear walls as main lateral resistant member.But current specifications requires shear wall must adopt the poured in place concrete construction.So to adopting the building of Frame _ Shear Wall Structure system, realize the prefabricated assemblingization of entire infrastructure members such as wall, post, beam, plate, under the constraint of current specifications, be infeasible.In view of the foregoing, the whole prefabricated assemblingization of high-rise frame structure is restricted, and prefabricated assembling rate reduces, and has restricted application and the development of this type of structural construction industrialization technology.
Pure frame structural system is used for many rooms building more.For highrise building, frame construction generally will be set up some shear walls as main lateral resistant member.But current specifications requires shear wall must adopt the poured in place concrete construction.
Be subjected to the restriction of domestic current standard up till now, to adopting the building of Frame _ Shear Wall Structure system, frame construction generally will be set up some shear walls as main lateral resistant member.But shear wall must adopt poured in place concrete.Therefore can't realize the whole prefabricated assemblingization of structural element such as wall, post, beam, plate.Prefabricated assembling rate reduces, and has restricted application and the development of this type of structural construction industrialization technology.
Summary of the invention
The present invention utilizes framework-steel to support the replacement shear wall, has avoided the specification limits of shear wall palpus poured in place concrete construction.Framework-steel support structure system with full assembling has substituted the cast-in-place framework-shear wall system of need part, and then has realized the whole prefabricated assemblingization of high-rise frame structure member.Improved the prefabricated assembly rate of this class formation, the industrialization of construction industry technology of high-rise frame structure is developed.
Concrete technology contents of the present invention is: a kind of full precast frame steel support structure, comprise that precast frame, steel support and built-in fitting, wherein, the position that cast-in-place shear wall need be set in high-rise frame structure arranges described precast frame, steel is set in the described precast frame supports; Described steel support with precast frame between be connected with built-in fitting.
Described precast frame comprises precast frame post and precast frame beam.
Described steel supports and is welded into the chiasma type central steel by two shaped steel and supports, described chiasma type central steel support with described built-in fitting between be connected by rivet.
Described built-in fitting comprises embedded part body and pre-embedded steel slab.
Described embedded part body connects in the described precast frame of nuzzling in advance together behind the described pre-embedded steel slab,
A kind of job practices of using described full precast frame steel support structure comprises following step,
The first step, carry out structural design analysis by the current specifications requirement, determine that described precast frame, steel support and the specification of built-in fitting;
Second step, when being provided with precast frame that steel supports and carrying out prefabrication, will connect built-in fitting that steel supports nuzzle in advance described precast frame post and precast frame beam, described embedded part body connects in the described precast frame of nuzzling in advance together behind the described pre-embedded steel slab.
The 3rd step, the position that needs to arrange cast-in-place shear wall in high-rise frame structure arrange the chiasma type central steel and support, described chiasma type central steel support with described precast frame between be connected with built-in fitting;
Further, before described the 3rd step, wait frame column, Vierendeel girder and the floor hoisted in position of whole layer, after superimposed in-situ layer is built and finished, be hinged with the chiasma type central steel again and support.
Beneficial effect:
1, supports alternative cast-in-place shear wall with framework-steel, both satisfied the requirement of current specifications, realized needing to adopt the whole prefabricated assemblingization of framework-shear wall architecture again;
2, alleviate dead load, and then reduced seismic load and basic expense;
3, steel supports as main anti-dynamometry member, since detachable, can upgrade after the shake, be convenient to shake the back and recover.
Description of drawings
Fig. 1 supports the structural representation of shear wall structure for a kind of full precast frame steel of the present invention;
Among the figure: 1-precast frame post; The 2-built-in fitting; 3-chiasma type central steel supports; 4-precast frame beam.
The specific embodiment
As shown in Figure 1, a kind of full precast frame steel supports shear wall structure, and the position that cast-in-place shear wall need be set in high-rise frame structure arranges the framework of cast-in-place shear wall, a chiasma type central steel is set in described framework supports; Wherein said chiasma type central steel supports between framework with cast-in-place shear wall and is connected with built-in fitting.
Described chiasma type central steel support with described built-in fitting between be connected by rivet is dismountable.
The present invention arranges in the Frame _ Shear Wall Structure system of cast-in-place shear wall to support with framework-steel at needs and substitutes cast-in-place shear wall, and then has realized the whole prefabricated assemblingization of such structural system.
Concrete construction sequence is: the first step, carry out structural design analysis by current specifications requirements, determine the specification of described precast frame, steel support and built-in fitting;
Second step, when being provided with precast frame that steel supports and carrying out prefabrication, will connect built-in fitting that steel supports nuzzle in advance described precast frame post and precast frame beam.
The 3rd step, the position that needs to arrange cast-in-place shear wall in high-rise frame structure arrange the chiasma type central steel and support, described chiasma type central steel support with described precast frame between be connected with built-in fitting;
Further, before described the 3rd step, wait frame column, Vierendeel girder and the floor hoisted in position of whole layer, after superimposed in-situ layer is built and finished, be hinged with the chiasma type central steel again and support.
Support alternative cast-in-place shear wall with precast frame and steel, both satisfied the requirement of current specifications, realized needing to adopt the whole prefabricated assemblingization of framework-shear wall architecture again.
Alleviate dead load, and then reduced seismic load and basic expense.
Steel supports as main anti-dynamometry member, since detachable, can upgrade after the shake, be convenient to shake the back and recover.
The present invention has been used for guarantee room 6-05 low-rent housing project in mill in the Wanke of Nanjing, and this project is fully-prefabricated assembled high residential building, and 15 layers on the ground, underground one deck indoor bicycle parking area that arranges, one deck is built on stilts leisure space, 45 meters of building heights, about 10,000 square meters of building area.Be first the complete prefabricated assembling high residential building in Jiangsu Province.Structural system adopts fully-prefabricated assembled framework-steel support structure system.Main body frame except basement and bottom overhead layer post adopt cast-in-place, all the other structure divisions all adopt the fabricated assembly overall technology, prefabricating technique is as follows in the range of application of this engineering:
1) the main structure body vertical member adopts the precast concrete frame column, and horizontal flooring member adopts precast concrete superposed beam and precast prestressed concrete superimposed sheet, and anti-lateral elements adopts framework-steel to support.
2) the typical floor stair adopt the precast concrete gangboard, and balcony adopts the precast concrete laminated floor slab;
3) inside and outside infilled wall adopts the autoclaved lightweight concrete board material.
Claims (6)
1. a full precast frame steel support structure is characterized in that, comprises that precast frame, steel support and built-in fitting, and wherein, the position that cast-in-place shear wall need be set in high-rise frame structure arranges described precast frame, steel is set in the described precast frame supports; Described steel support with precast frame between be connected with built-in fitting.
2. a kind of full precast frame steel according to claim 1 supports shear wall structure, it is characterized in that described precast frame comprises precast frame post and precast frame beam.
3. a kind of full precast frame steel according to claim 1 supports shear wall structure, it is characterized in that, described steel supports and is welded into the chiasma type central steel by two shaped steel and supports, described chiasma type central steel support with described built-in fitting between be connected by rivet.
4. a kind of full precast frame steel according to claim 1 supports shear wall structure, it is characterized in that described built-in fitting comprises embedded part body and pre-embedded steel slab.
5. described embedded part body connects in the described precast frame of nuzzling in advance together behind the described pre-embedded steel slab,
A kind of right to use requires the job practices of 1 described full precast frame steel support structure, it is characterized in that, comprises following step,
The first step, carry out structural design analysis by the current specifications requirement, determine that described precast frame, steel support and the specification of built-in fitting;
Second step, when being provided with precast frame that steel supports and carrying out prefabrication, will connect built-in fitting that steel supports nuzzle in advance described precast frame post and precast frame beam, described embedded part body connects in the described precast frame of nuzzling in advance together behind the described pre-embedded steel slab.
6. the 3rd step, the position that needs to arrange cast-in-place shear wall in high-rise frame structure arrange the chiasma type central steel and support, described chiasma type central steel support with described precast frame between be connected with built-in fitting;
Job practices according to claim 5 is characterized in that, before described the 3rd step, waits frame column, Vierendeel girder and the floor hoisted in position of whole layer, after superimposed in-situ layer is built and finished, is hinged with the chiasma type central steel again and supports.
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| CN2013102384730A CN103334514A (en) | 2013-06-17 | 2013-06-17 | Full precast frame steel support structure and construction method thereof |
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| CN2013102384730A CN103334514A (en) | 2013-06-17 | 2013-06-17 | Full precast frame steel support structure and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982041A (en) * | 2014-05-07 | 2014-08-13 | 杜景云 | Method for constructing reinforced-concrete prefabricated element fabricated building with frame structure system |
| CN104846831A (en) * | 2015-04-23 | 2015-08-19 | 成都科创佳思科技有限公司 | Steel support structure |
| CN105275113A (en) * | 2014-05-28 | 2016-01-27 | 杭州恒达钢构股份有限公司 | Rhombus steel grid shear wall structure |
| CN107060077A (en) * | 2017-05-10 | 2017-08-18 | 南京瑞麒凰电子科技有限公司 | One kind shearing control cross force structure |
| CN109252590A (en) * | 2018-10-29 | 2019-01-22 | 北京市机械施工有限公司 | A kind of huge diagonal brace of overlength superelevation and its seek connections with formula construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982041A (en) * | 2014-05-07 | 2014-08-13 | 杜景云 | Method for constructing reinforced-concrete prefabricated element fabricated building with frame structure system |
| CN105275113A (en) * | 2014-05-28 | 2016-01-27 | 杭州恒达钢构股份有限公司 | Rhombus steel grid shear wall structure |
| CN104846831A (en) * | 2015-04-23 | 2015-08-19 | 成都科创佳思科技有限公司 | Steel support structure |
| CN107060077A (en) * | 2017-05-10 | 2017-08-18 | 南京瑞麒凰电子科技有限公司 | One kind shearing control cross force structure |
| CN109252590A (en) * | 2018-10-29 | 2019-01-22 | 北京市机械施工有限公司 | A kind of huge diagonal brace of overlength superelevation and its seek connections with formula construction method |
| CN109252590B (en) * | 2018-10-29 | 2020-04-03 | 北京市机械施工有限公司 | Super-long super-high giant diagonal brace and climbing type construction method thereof |
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Application publication date: 20131002 |