CN103184765A - Pre-stress constraint concrete structure and manufacture method thereof - Google Patents
Pre-stress constraint concrete structure and manufacture method thereof Download PDFInfo
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- CN103184765A CN103184765A CN2011104463511A CN201110446351A CN103184765A CN 103184765 A CN103184765 A CN 103184765A CN 2011104463511 A CN2011104463511 A CN 2011104463511A CN 201110446351 A CN201110446351 A CN 201110446351A CN 103184765 A CN103184765 A CN 103184765A
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Abstract
The invention discloses a pre-stress constraint concrete structure and a manufacture method thereof. When the four categories of concrete structures of a concrete frame structure, a concrete frame-tube structure, a concrete frame-shear structure or a concrete truss-tube structure is manufactured, pre-stress ribs which are in parallel with axle lines of main beams are arranged in all main beams, thus each pre-stress rib is enabled to penetrate through all the main beams in the same axle line on the same plane, meanwhile constraint reinforced ribs are configured in the main beams, so that the main beams are enabled to form constraint beams, when the concrete strength of the poured main beams in a same layer reaches designed strength, the pre-stress ribs of all the main ribs in the same layer are subjected to tensioning and anchoring, the pre-stress ribs are all enabled to be in a tensioning state, the main beams on all different horizontal surfaces of the concrete structure are manufactured according to the method, and the pre-stress constraint concrete structure is manufactured and obtained. The pre-stress constraint concrete structure has the advantages of high bearing force in an overall structure, excellent rigidity, remarkable performance of seismic resistance, a small component cross section and lower constructional cost.
Description
Technical field
The present invention relates to a kind of prestressing force confined concrete structure for building and preparation method thereof, belong to the concrete building structures technical field.
Background technology
Concrete structures such as concrete frame structure, concrete frame barrel structure, concrete frame shear structure or concrete truss barrel structure have been widely used in the building field, and steel using amount is big, the volume of concrete structure middle girder is big, more, the cost problem of higher that takes up space but these concrete structure ubiquities of the prior art.For addressing these problems, at present, there is the single girder in pair concrete structure to apply prestressing force in the prior art, improve the bearing capacity of girder by this method and reduce the girder height.Though this method has improved the bearing capacity of single beam, the depth of section of reduction beam, and the globality that improves whole concrete structure is not had much influences, the total bearing capacity of its concrete structure, integral rigidity and whole shock resistance still are poor.Therefore the result of use of available coagulation soil structure still is not ideal enough.
Summary of the invention
The objective of the invention is: prestressing force confined concrete structure that provide that a kind of overall structure bearing capacity is higher, good integrity, stronger, the whole good seismic performance of integral rigidity and cost is lower and preparation method thereof, to overcome the deficiencies in the prior art.
The present invention is achieved in that the preparation method of a kind of prestressing force confined concrete structure of the present invention is, when making concrete frame structure, concrete frame barrel structure, concrete frame shear structure or this concrete structure of four types of concrete truss barrel structure, the main beam structure spare in concrete structure, other structural member in the concrete structure can be made by the method for existing reinforced concrete structure; During girder in making concrete structure, the presstressed reinforcing steel parallel with the axis of girder all is set in all girders, make every presstressed reinforcing steel all run through all girders that are on the same plane on the same axis, simultaneously, configuration constraint reinforcing bar in girder, make girder form restained beam, when the concrete strength for the treatment of the girder of building with one deck reaches design strength, presstressed reinforcing steel to all girder of this layer carries out stretch-draw, anchoring, make presstressed reinforcing steel all be in tensioning state, according to said method the girder on all varying level aspects of the concrete structure of made is made, can be made obtaining prestressing force confined concrete structure.
During concrete truss barrel structure in making above-mentioned concrete structure, in the rod member of every intersection, also all arrange parallel with center line of the bar and run through the presstressed reinforcing steel of whole rod member, and in every rod member, be provided with the constraint reinforcing bar, when the concrete strength of waiting the rod member of the intersection of building reaches design strength, presstressed reinforcing steel in the rod member is carried out stretch-draw, anchoring, make its presstressed reinforcing steel all be in tensioning state; After the whole stretch-draw of the rod member of the girder in the concrete truss barrel structure and intersection, anchoring finish, can make obtaining prestressing force confined concrete structure like this.
Above-mentioned presstressed reinforcing steel preferably arranges along the axis of girder.
Also be provided with the presstressed reinforcing steel parallel with the horizontal median axis of secondary beam in the secondary beam between girder, in secondary beam, also be provided with the constraint reinforcing bar, and every presstressed reinforcing steel all runs through all secondary beams that are on the same horizontal bedding on the same axis, when the concrete for the treatment of the secondary beam of building of same leveling course reaches design strength, presstressed reinforcing steel to all secondary beam of this layer carries out stretch-draw, anchoring, makes presstressed reinforcing steel all be in tensioning state.
Presstressed reinforcing steel is steel strand, steel tendon or high strength cast iron.
Of the present invention a kind of prestressing force confined concrete structure of Zhi Zuoing is according to the method described above: this structure comprises concrete frame structure, the concrete frame barrel structure, this concrete structure of four types of concrete frame shear structure and concrete truss barrel structure, at concrete frame structure, the concrete frame barrel structure, all be provided with the presstressed reinforcing steel parallel with the horizontal median axis of girder in all girders in concrete frame shear structure or the concrete truss barrel structure, and in girder, be provided with the constraint reinforcing bar, every presstressed reinforcing steel all runs through all girders that are on the same horizontal bedding on the same axis, and all presstressed reinforcing steels all are in tensioning state.
Also be provided with the presstressed reinforcing steel parallel with the horizontal median axis of secondary beam in the secondary beam between the girder in above-mentioned prestressing force confined concrete structure, simultaneously in secondary beam, also be provided with the constraint reinforcing bar, and every presstressed reinforcing steel all secondary beams of all running through to be on the same horizontal bedding on the same axis and all be in tensioning state.
Also all be provided with parallel with center line of the bar in the rod member of every intersection in above-mentioned concrete truss barrel structure and run through the presstressed reinforcing steel of whole rod member, and all presstressed reinforcing steels all are in tensioning state, in rod member, all dispose the constraint reinforcing bar.
Owing to adopted technique scheme, the present invention is used for two technology (the one, prestressing technique, the 2nd, confined concrete technology) integral body of concrete structure.And prestressing technique before or restriction technique are nearly all at structural element, the present invention is applied to structural entity with prestressing technique, form the confined concrete structure by structure being applied prestressing force, simultaneously, for guaranteeing bearing of component and ductility, the direct acting member of prestressing force is set to restriction concrete member, thereby structure and bearing of component and anti-seismic performance have been improved effectively, can reduce the sectional dimension of member significantly, reduce material consumption, reduce construction cost.The present invention can form constraint to every layer plane of whole concrete structure, thereby improves globality and the anti-seismic performance of concrete structure; Simultaneously, concrete structure of the present invention is because prestressed effect, make girder be subjected to bigger axial compression, simultaneously, disposed the constraint reinforcing bar in the beam, made it form the constraint girder, this can not only effectively reduce the depth of section of girder, improve the effective height (increase clear height) of whole building space or reduce floor height, but also reduced building costs and the usage space that has improved building effectively.When being provided with the intersection rod member, can form vertical constraint, improve anti-side rigidity and globality, improve anti-seismic performance.The present invention is based on concrete structure, whole concrete structure is proposed first the concept of restraining structure, whole concrete structure is used restraint as a whole, changed the force-bearing situation of each member simultaneously, make wherein girder become prestressing force constraint girder, its plate becomes the horizontal restrain plate, thereby the bearing capacity, rigidity, globality, anti-seismic performance etc. of whole concrete structure all are improved largely.Presstressed reinforcing steel of the present invention is parallel to the girder axis and arranges, and it is very convenient to construct.Through evidence, it is high more than 30% that the overall load ability of prestressing force confined concrete structure of the present invention and the conventional concrete structure of the identical steel using amount of ratio of rigidity are wanted.Therefore, the present invention compared with prior art, the present invention not only has overall structure bearing capacity height, good rigidity, advantage that cost is lower, but also have whole anti-seismic performance good, make and advantage such as be easier to.
Description of drawings
Prestressing force confined concrete structures such as prestressing force confined concrete frame construction of the present invention, prestressing force confined concrete framed-tube structure, prestressing force confined concrete frame structure or prestressing force confined concrete truss barrel structure
Fig. 1 is the plane structure schematic diagram of prestressing force confined concrete frame construction of the present invention;
Fig. 2 is the plane structure schematic diagram of prestressing force confined concrete framed-tube structure of the present invention;
Fig. 3 is the plane structure schematic diagram of prestressing force confined concrete frame structure of the present invention;
Fig. 4 is prestressing force confined concrete framework of the present invention, framed-tube structure elevational schematic view;
Fig. 5 is prestressing force constraint frame structure elevational schematic view of the present invention;
Fig. 6 is the facade signal of prestressing force confined concrete truss barrel structure of the present invention.
Description of reference numerals: 1-girder; The 2-presstressed reinforcing steel; The 3-secondary beam; The 4-rod member; The 5-shear wall.
Solid arrow is represented in the accompanying drawings be the suffered prestress square of the rod member of girder or intersection to; Dotted arrow is represented be the prestress square that can in secondary beam, apply as required to.
The specific embodiment
Below, the present invention is described in further detail in conjunction with the accompanying drawings and embodiments.
Embodiments of the invention: when making concrete structure, technical scheme according to a kind of prestressing force confined concrete structure of the present invention and preparation method thereof is made, namely when making concrete frame structure, concrete frame barrel structure, concrete frame shear structure or this concrete structure of four types of concrete truss barrel structure, girder 1 structural member in concrete structure, other structural member in the concrete structure can be made by the method for existing reinforced concrete structure; During girder 1 in making concrete structure, the presstressed reinforcing steel parallel with the axis of girder 12 all is set, preferably with the axis setting of presstressed reinforcing steel 2 along girder 1 in all girders 1; All girders 1 that every presstressed reinforcing steel 2 all run through be on the same plane on the same axis, simultaneously, configuration constraint reinforcing bar in the usual way in girder 1, make girder 1 form restained beam, when the concrete strength for the treatment of the girder 1 of building with one deck reaches design strength, presstressed reinforcing steel 2 to all girder 1 of this layer carries out stretch-draw, anchoring, make presstressed reinforcing steel 2 all be in tensioning state, according to said method the girder 1 on all varying level aspects of the concrete structure of made is made, can be made obtaining prestressing force confined concrete frame construction of the present invention, prestressing force confined concrete framed-tube structure, prestressing force confined concrete structures such as prestressing force confined concrete frame structure or prestressing force confined concrete truss barrel structure (as Fig. 1～shown in Figure 6).
During concrete truss barrel structure in making concrete structure, in the rod member 4 of every intersection, also all arrange parallel with rod member 4 axis and run through the presstressed reinforcing steel 2 of whole rod member 4, and in every rod member 4, be provided with the constraint reinforcing bar, when the concrete strength of waiting the rod member 4 of the intersection of building reaches design strength, presstressed reinforcing steel 2 in the rod member 4 is carried out stretch-draw, anchoring, make its presstressed reinforcing steel 2 all be in tensioning state; After rod member 4 whole stretch-draw, the anchoring of the girder 1 in the concrete truss barrel structure and intersection finish, can make obtaining prestressing force confined concrete structure (as shown in Figure 6) like this.
When making concrete structure, in order to reach higher bearing capacity, effect such as anti-seismic performance and rigidity, can be according to the presstressed reinforcing steel 2 parallel with the horizontal median axis of secondary beam 3 also is set in the secondary beam 3 of needs between girder 1 that uses, the constraint reinforcing bar also is set in secondary beam 3 simultaneously, and every presstressed reinforcing steel 2 is all run through all secondary beams 3 that are on the same horizontal bedding on the same axis, when the concrete for the treatment of the secondary beam of building 3 of same leveling course reaches design strength, presstressed reinforcing steel 2 to all secondary beam 3 of this layer carries out stretch-draw, anchoring makes presstressed reinforcing steel 2 all be in tensioning state (as Fig. 1～shown in Figure 3).
Above-mentioned used presstressed reinforcing steel 2 can adopt steel strand of the prior art, steel tendon or high strength cast iron.
When presstressed reinforcing steel 2 being carried out stretch-draw apply prestressing force, adopt existing post stretching to carry out stretch-draw, make presstressed reinforcing steel 2 for bonding being arranged or not having the presstressed reinforcing steel of bonding.
When presstressed reinforcing steel 2 was carried out anchoring, available conventional ground tackle carried out anchoring.
Of the present invention a kind of prestressing force confined concrete structure of Zhi Zuoing according to the method described above, comprise concrete frame structure, the concrete frame barrel structure, this concrete structure of four types of concrete frame shear structure and concrete truss barrel structure, at concrete frame structure, the concrete frame barrel structure, all be provided with the presstressed reinforcing steel parallel with the horizontal median axis of girder 12 in all girders 1 in concrete frame shear structure or the concrete truss barrel structure, and in girder 1, be provided with the constraint reinforcing bar, every all girders 1 that presstressed reinforcing steel 2 all runs through to be on the same horizontal bedding on the same axis, and all presstressed reinforcing steels 2 all are in tensioning state (as Fig. 1～shown in Figure 6).
Be provided with the presstressed reinforcing steel parallel with the horizontal median axis of secondary beam 32 according to the use needs in the secondary beam 3 between the girder 1 in above-mentioned prestressing force confined concrete structure, simultaneously in secondary beam 3, also be provided with the constraint reinforcing bar, and every presstressed reinforcing steel 2 all secondary beams 3 of all running through to be on the same horizontal bedding on the same axis and all be in tensioning state (as Fig. 1～shown in Figure 3).
Also all be provided with parallel with rod member 4 axis in the rod member 4 of every intersection in above-mentioned concrete truss barrel structure and run through the presstressed reinforcing steel 2 of whole rod member 4, and all presstressed reinforcing steels 2 all are in tensioning state, also all dispose constraint reinforcing bar (as shown in Figure 6) in rod member 4.
Claims (8)
1. the preparation method of a prestressing force confined concrete structure, it is characterized in that: when making concrete frame structure, concrete frame barrel structure, concrete frame shear structure or this concrete structure of four types of concrete truss barrel structure, girder in concrete structure (1) structural member, other structural member in the concrete structure can be made by the method for existing reinforced concrete structure; During girder (1) in making concrete structure, the presstressed reinforcing steel (2) parallel with the axis of girder (1) all is set in all girders (1), all girders (1) that every presstressed reinforcing steel (2) all run through be on the same plane on the same axis, simultaneously, configuration constraint reinforcing bar in girder (1), make girder (1) form restained beam, when the concrete strength for the treatment of the girder (1) of building with one deck reaches design strength, presstressed reinforcing steel (2) to all girder of this layer (1) carries out stretch-draw, anchoring, make presstressed reinforcing steel (2) all be in tensioning state, according to said method the girder (1) on all varying level aspects of the concrete structure of made is made, can be made obtaining prestressing force confined concrete structure.
2. the preparation method of prestressing force confined concrete structure according to claim 1, it is characterized in that: during concrete truss barrel structure in making concrete structure, in the rod member (4) of every intersection, also all arrange parallel with rod member (4) axis, and the presstressed reinforcing steel (2) that runs through whole rod member (4), and in every rod member (4), be provided with the constraint reinforcing bar, when the concrete strength of waiting the rod member (4) of the intersection of building reaches design strength, presstressed reinforcing steel (2) in the rod member (4) is carried out stretch-draw, anchoring makes its presstressed reinforcing steel (2) all be in tensioning state; After all stretch-draw of rod member (4), the anchoring of the girder in the concrete truss barrel structure (1) and intersection finish, can make obtaining prestressing force confined concrete structure like this.
3. the preparation method of prestressing force confined concrete structure according to claim 1 and 2 is characterized in that: presstressed reinforcing steel (2) arranges along the axis of girder (1).
4. the preparation method of prestressing force confined concrete structure according to claim 1 and 2, it is characterized in that: also be provided with the presstressed reinforcing steel (2) parallel with the horizontal median axis of secondary beam (3) in the secondary beam (3) between girder (1), in secondary beam (3), also be provided with the constraint reinforcing bar, and every presstressed reinforcing steel (2) all runs through all secondary beams (3) that are on the same horizontal bedding on the same axis, when the concrete for the treatment of the secondary beam of building (3) of same leveling course reaches design strength, presstressed reinforcing steel (2) to all secondary beam of this layer (3) carries out stretch-draw, anchoring makes presstressed reinforcing steel (2) all be in tensioning state.
5. according to the preparation method of claim 1,2,3 or 4 described prestressing force confined concrete structures, it is characterized in that: presstressed reinforcing steel (2) is steel strand, steel tendon or high strength cast iron.
6. prestressing force confined concrete structure, comprise concrete frame structure, the concrete frame barrel structure, this concrete structure of four types of concrete frame shear structure and concrete truss barrel structure, it is characterized in that: at concrete frame structure, the concrete frame barrel structure, all be provided with the presstressed reinforcing steel (2) parallel with the horizontal median axis of girder (1) in all girders (1) in concrete frame shear structure or the concrete truss barrel structure, and in girder (1), be provided with the constraint reinforcing bar, every presstressed reinforcing steel (2) all runs through all girders (1) that are on the same horizontal bedding on the same axis, and all presstressed reinforcing steels (2) all are in tensioning state.
7. prestressing force confined concrete structure according to claim 6, it is characterized in that: also be provided with the presstressed reinforcing steel (2) parallel with the horizontal median axis of secondary beam (3) in the secondary beam (3) between girder (1), simultaneously in secondary beam (3), also be provided with the constraint reinforcing bar, and every presstressed reinforcing steel (2) all runs through all secondary beams (3) that are on the same horizontal bedding on the same axis and all is in tensioning state.
8. prestressing force confined concrete structure according to claim 6, it is characterized in that: also all be provided with parallel with rod member (4) axis in the rod member of every intersection in the concrete truss barrel structure (4) and run through the presstressed reinforcing steel (2) of whole rod member (4), and all presstressed reinforcing steels (2) all are in tensioning state, all dispose the constraint reinforcing bar in rod member (4).
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| CN201110446351.1A CN103184765B (en) | 2011-12-28 | 2011-12-28 | A kind of prestressing force confined concrete structure and preparation method thereof |
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| CN201110446351.1A CN103184765B (en) | 2011-12-28 | 2011-12-28 | A kind of prestressing force confined concrete structure and preparation method thereof |
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| CN103184765B CN103184765B (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926764A (en) * | 2016-06-13 | 2016-09-07 | 姚攀峰 | Industrialized pre-processed regenerative structural system and method for constructing same |
| CN109537905A (en) * | 2017-09-22 | 2019-03-29 | 上海宝冶集团有限公司 | The fast hoisting method of counter force wall presstressed reinforcing steel |
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| JP2010265692A (en) * | 2009-05-15 | 2010-11-25 | Takenaka Komuten Co Ltd | Structure |
| CN201785867U (en) * | 2010-09-28 | 2011-04-06 | 杨峰 | Novel reinforced-concrete prefabricated and integral-cast building structure system |
| CN201786045U (en) * | 2010-09-28 | 2011-04-06 | 杨峰 | House structure with combined steel beam and pretensioning method prestress laminated beam |
| CN202370089U (en) * | 2011-12-28 | 2012-08-08 | 贵州大学 | Pre-stressed confined concrete structure |
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2011
- 2011-12-28 CN CN201110446351.1A patent/CN103184765B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010265692A (en) * | 2009-05-15 | 2010-11-25 | Takenaka Komuten Co Ltd | Structure |
| CN201785867U (en) * | 2010-09-28 | 2011-04-06 | 杨峰 | Novel reinforced-concrete prefabricated and integral-cast building structure system |
| CN201786045U (en) * | 2010-09-28 | 2011-04-06 | 杨峰 | House structure with combined steel beam and pretensioning method prestress laminated beam |
| CN202370089U (en) * | 2011-12-28 | 2012-08-08 | 贵州大学 | Pre-stressed confined concrete structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926764A (en) * | 2016-06-13 | 2016-09-07 | 姚攀峰 | Industrialized pre-processed regenerative structural system and method for constructing same |
| CN105926764B (en) * | 2016-06-13 | 2019-03-22 | 姚攀峰 | A kind of industrialization preprocessing regenerative structural system and its construction method |
| CN109537905A (en) * | 2017-09-22 | 2019-03-29 | 上海宝冶集团有限公司 | The fast hoisting method of counter force wall presstressed reinforcing steel |
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| CN103184765B (en) | 2016-08-31 |
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