CN2651327Y - Concrete prefabricated member for building - Google Patents
Concrete prefabricated member for building Download PDFInfo
- Publication number
- CN2651327Y CN2651327Y CN 200320110522 CN200320110522U CN2651327Y CN 2651327 Y CN2651327 Y CN 2651327Y CN 200320110522 CN200320110522 CN 200320110522 CN 200320110522 U CN200320110522 U CN 200320110522U CN 2651327 Y CN2651327 Y CN 2651327Y
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- China
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- concrete prefabricated
- hole
- prefabricated element
- concrete
- building
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Abstract
The utility model discloses a concrete precast structural component for buildings. Technical scheme of the utility model is as follows: concrete precast structural components are mutually connected with steel stranded wires or ropes with equivalent mechanical performances. Meanwhile, the concrete precast structural component inside is equipped with binding structure to secure the steel stranded wires or ropes with equivalent mechanical performance. The structure can fulfill tension with prestressed steel stranded wires at joints of precast structural components, so that semirigid and semiflexible characteristics can be guaranteed for each joint, which can overcome poor flexibility defect in buildings with prior arts. Moreover, cast-in-site is not necessary, so that working yards and period can be saved.
Description
Technical field:
The utility model belongs to technical field of buildings, more specifically to concrete prefabricated element technical field for building.
Background technology:
At present, the method for cast-in-site reinforced concrete structure all is to adopt at the scene according to the good reinforcing bar of drawing colligation in industry and civilian construction, a good template, and the cast on-site concrete forms then.What adopt between post and post and Liang Yuliang is the reinforcing bar lap method of fluid concrete then, makes whole building become a firm integral body.Yet, when earthquake takes place, all have the excessive defective of rigidity of building.The existence of this defective can greatly reduce the anti-seismic performance of building, because earthquake is when taking place, building is crossed conference because of rigidity and caused accepting very big horizontal seismic force, thereby causes suspension column to be sheared destruction, causes collapsing of building.Earthquake research for many years shows that building must have certain flexibility, could resist the destruction of earthquake to building effectively.
Summary of the invention:
Technical problem to be solved in the utility model provides a kind of concrete prefabricated element for building, the building force structure that utilizes this prefabricated units to be assembled into not only has good rigidity, simultaneously also have good flexibility, thereby improve the anti-seismic performance of building significantly.
The technical solution of the utility model is: be to interconnect by steel strand or the mechanical property cable equivalent with it between the concrete prefabricated element, and be provided with the integrated structure of fixed in position steel strand or the mechanical property cable equivalent with it in the concrete prefabricated element.This structure can be so that the node place between the prefabricated units adopts the stretch-draw of prestressing force guiding principle twisted wire, thereby makes each node all have half just half gentle characteristics, has overcome the deficiencies in the prior art effectively.
Above-mentioned integrated structure can be the through hole that allows steel strand pass.During assembling steel strand are passed through hole corresponding on the two adjacent block concrete prefabricated units, be stretched to certain force of strain then after, with ground tackle with its anchoring.
Above-mentioned integrated structure can be a place or many places.Can make concrete prefabricated element when assembling, form a plurality of nodes on demand according to designing requirement like this.
The particular location of above-mentioned through hole is: through hole can be the through hole that runs through the concrete prefabricated element two ends, reduces the long concrete prefabricated element of length such as the purpose of depth of beam to reach.One end opening that can also be through hole is in the prefabricated units end face, and other end opening part is applicable to the connection of shorter length such as end span concrete frame structure in the prefabricated units side.Certainly, above two kinds of schemes can be used in combination on the concrete prefabricated element, be the existing through hole that runs through the concrete prefabricated element two ends on the prefabricated units, also have an end opening to be in the prefabricated units end face, other end opening part is at the through hole of prefabricated units side.
One end opening of above-described through hole is in the prefabricated units end face, other end opening part in the structure of prefabricated units side can specific design be: through hole one end opening is in the prefabricated units end face, on the sidewall in the depressed area that other end opening part is provided with on the prefabricated units side, with the stretch-draw of the steel strand of being more convenient for fixing.
Above-mentioned concrete prefabricated element can be connected with its equivalent cable by steel strand or the mechanical property through autofrettage.Can make full use of the intensity of reinforcing bar like this and can reach the purpose of the span that adds crossbeam, thereby economical with materials reduces cost.
Above-mentioned concrete prefabricated element is the post or the beam of building, also is reserved with on its central sill to be used for the bar splice that is connected with cast-in-place floor plate.
Precast unit for building provided by the utility model can be transported to the job site and assemble.The beam of this structural system, post junction make building have certain flexibility for partly just partly being hinged, to reach the purpose of the shock resistance that improves building.Can shorten the construction period as prefabricated units in addition, reduce building waste, and because member is to produce in factory, production environment is good, quality can be guaranteed.
Description of drawings:
Fig. 1 is the structure and the assembling schematic diagram of the utility model specific embodiment.
Among the figure: 1, end bay post, 2, stride post in, 3 end bay beams, 4, in stride beam, 5 brackets, 6, steel strand, 7, the end bay beam or in stride depressed area on the beam, the reservation through hole on 11,12, the 13 end bay posts, 21, stride in 22,23 and reserve through hole on the post, 31, reserve through hole on the 32 end bay beams, stride in 41,42 and reserve through hole on the beam, 8, bar splice.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The specific embodiment
Each member 1,2,3,4 shown in Fig. 1 is reserved the reservation through hole 11,12,13,21,22,23,31,32,41,42 of all places and quantity as the integrated structure between the guy wire connection prefabricated component at column cap and beam-ends when prefabricated.
Among the figure: end bay post 1 with in stride on the post 2 reserve through hole 11,21 respectively with end bay beam 3 with in the reservation through hole 31,41 of striding on the beam 4 corresponding, end bay post 1 with in stride on the post 2 reserve through hole 12,22 respectively with end bay beam 3 with in the reservation through hole 32,42 of striding on the beam 4 corresponding, they become the fixedly node of beam and column.End bay beam 3 and in stride beam 4 bottoms and be provided with all beams that an elongated reservation through hole 31,41 runs through framework, to reduce beam distortion vertically downward.The steel strand 6 that pass in the through hole 31,41 are to carry out stretch-draw after concrete beam is prefabricated, and then luggage is joined.This makes beam just be subjected to a reverse stress in the past at bearing load, can offset a part of beam and produce vertically downward distortion when bearing load, thereby reach the purpose that reduces reinforcing bar, dwindles the beam section.End bay beam 3 and in stride beam 4 both upper ends thereof and respectively be provided with and reserve through hole 32,42, the opening one of reserving through hole 32,42 is on the beam-ends face, another place is positioned on the sidewall of depressed area prefabricated on the upper surface of beam 7.Be positioned at the steel strand 6 of reserving through hole 32,42 and when assembling, carry out stretch-draw in order to stationary nodes.End bay post 1 and in stride post 2 to reserve through holes 13 and 23 be integrated structures used when being used for the longitudinal framing assembling.
During assembling, end bay post 1 and in stride and perform bracket 7 on the post 2 in advance, end bay beam 3 and in stride beam 4 and be put on the bracket 2 of post 1 and make and reserve through hole 11,21 and reserve through hole 31,41, reserve through hole 12,22 and reserve through hole 32,42 aperture positions and be mapped.Put on steel strand 6 by beam-ends, column cap, beam-ends in the above-mentioned reservation through hole and use jack tension then, be stretched to certain force of strain after, with ground tackle with its anchoring.Like this, the node connection between the beam and column is between rigidity and the flexibility, and can utilize the stretching force of adjusting steel strand 6 to determine the rigidity of node.Because the elasticity of steel strand is better, so when building was subjected to seismic loading, node produced distortion.After earthquake finished, node had the recovery deformation ability.This just makes building can return to normal operating condition after earthquake, and excessive distortion does not produce destruction owing to earthquake brings as the building of reinforced concrete structure.In addition, also reserve on the beam and expose bar splice 8, be connected, make floor and beam connect into an integral body, improve the globality of building with the reinforcing bar of cast-in-place plate.
Claims (9)
1, a kind of concrete prefabricated element for building, it is characterized in that: be to interconnect between the concrete prefabricated element, and be provided with the integrated structure of fixed in position steel strand or the mechanical property cable equivalent in the concrete prefabricated element with it by steel strand (6) or the mechanical property cable equivalent with it.
2, concrete prefabricated element according to claim 1 is characterized in that: above-mentioned integrated structure can be through hole (11), (12), (13), (21), (22), (23), (31), (32), (41), (42) that allow steel strand pass.
3, concrete prefabricated element according to claim 1 and 2 is characterized in that: above-mentioned integrated structure can be a place or many places.
4, concrete prefabricated element according to claim 2 is characterized in that: through hole can be the through hole (31) (41) that runs through the concrete prefabricated element two ends.
5, concrete prefabricated element according to claim 2 is characterized in that: an end opening of through hole (32) (42) is in the prefabricated units end face, and other end opening part is in the prefabricated units side.
6, concrete prefabricated element according to claim 2, it is characterized in that: the existing through hole (31) (41) that runs through the concrete prefabricated element two ends on the prefabricated units, also have an end opening to be in the prefabricated units end face, other end opening part is at the through hole (32) (42) of prefabricated units side.
7, according to claim 5 or 6 described concrete prefabricated elements, it is characterized in that: through hole (32) (42) one end openings are in the prefabricated units end face, on the sidewall in the depressed area that other end opening part is provided with on the prefabricated units side (7).
8, concrete prefabricated element according to claim 1 and 2 is characterized in that: above-mentioned concrete prefabricated element can be connected with its equivalent cable by steel strand (6) or the mechanical property through autofrettage.
9, concrete prefabricated element according to claim 1 and 2, it is characterized in that: above-mentioned concrete prefabricated element is the post (1) (2) or the beam (3) (4) of building, also is reserved with on its central sill (3) (4) to be used for the bar splice (8) that is connected with cast-in-place floor plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110522 CN2651327Y (en) | 2003-10-28 | 2003-10-28 | Concrete prefabricated member for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110522 CN2651327Y (en) | 2003-10-28 | 2003-10-28 | Concrete prefabricated member for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651327Y true CN2651327Y (en) | 2004-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320110522 Expired - Fee Related CN2651327Y (en) | 2003-10-28 | 2003-10-28 | Concrete prefabricated member for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2651327Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821501B (en) * | 2005-02-15 | 2010-11-03 | 三井住友建设株式会社 | Column-beam attaching tectosome of architecture and method of attaching the same |
| CN103603435A (en) * | 2013-12-06 | 2014-02-26 | 金陵科技学院 | Assembled concrete seismic beam-column frame and construction method thereof |
| CN106193451A (en) * | 2016-08-31 | 2016-12-07 | 济南市人防建筑设计研究院有限责任公司 | A kind of combination type prestressed beam slab system |
-
2003
- 2003-10-28 CN CN 200320110522 patent/CN2651327Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821501B (en) * | 2005-02-15 | 2010-11-03 | 三井住友建设株式会社 | Column-beam attaching tectosome of architecture and method of attaching the same |
| CN103603435A (en) * | 2013-12-06 | 2014-02-26 | 金陵科技学院 | Assembled concrete seismic beam-column frame and construction method thereof |
| CN103603435B (en) * | 2013-12-06 | 2015-11-04 | 金陵科技学院 | A kind of assembly concrete antidetonation beam column frame and construction method thereof |
| CN106193451A (en) * | 2016-08-31 | 2016-12-07 | 济南市人防建筑设计研究院有限责任公司 | A kind of combination type prestressed beam slab system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041027 Termination date: 20091130 |