CN203821668U - Prestress truss composite slab without extended end anchor bars - Google Patents
Prestress truss composite slab without extended end anchor bars Download PDFInfo
- Publication number
- CN203821668U CN203821668U CN201420233894.4U CN201420233894U CN203821668U CN 203821668 U CN203821668 U CN 203821668U CN 201420233894 U CN201420233894 U CN 201420233894U CN 203821668 U CN203821668 U CN 203821668U
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- truss
- bars
- prestress
- plate
- longitudinal
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Abstract
The utility model discloses a prestress truss composite slab without extended end anchor bars. The composite slab comprises a prestress prefabricated slab, a cast-in-place layer is cast on the prestress prefabricated slab, a plurality of transverse non-prestress bars are arranged in the prestress prefabricated slab at intervals, the tops and the bottoms of the transverse non-prestress bars are fixedly provided with a plurality of longitudinal prestress bars arranged at intervals and a plurality of truss bottom longitudinal bars arranged at intervals respectively, one truss top longitudinal bar is arranged at the position, corresponding to every two truss bottom longitudinal bars, in the cast-in-place layer to form a set of supporting bars, and the two sides of one truss top longitudinal bar in each set of supporting bars are fixedly connected with two truss bottom longitudinal bars in the set of supporting bars respectively through a wavy truss triangular bar arranged in an inclined mode. The prestress truss composite slab has the advantages of being low in construction cost, firm and convenient to mount, simple in construction, and high in structural strength.
Description
Technical field
The utility model relates to assembled integral building field, relates in particular to a kind of nothing and stretches out the prestressed truss superimposed sheet of termination dowel.
Background technology
The application of assembled integral building system has not only been shortened the duration, reduced the consumption of on-the-spot material and facility, alleviated the harm such as airborne dust that traditional architecture construction causes society, noise, saved artificial, fully improve the advantage that building usable floor area etc. is benefited the nation and the people.Wherein prestressing force precast plate with ribbing is made trouble, cost of labor is high, and the presstressed reinforcing steel in precast plate not only diameter is thin but also be unidirectional, and precast plate easily ftractures along another one direction.
By retrieval, learn the patent of having authorized:
1 application number is: the Chinese patent of CN200820071785.1 discloses " large-span prestressed hollow superimposed sheet ", comprise precast plate, Bars In Poured Concrete Slab, in precast plate, be embedded with the steel bar girder that can improve adhesion stress between whole stiffness and precast plate and Bars In Poured Concrete Slab, in Bars In Poured Concrete Slab, be fixedly connected with hollow section with steel bar girder.The hollow section of this patent and steel bar girder are installed together and have strengthened the difficulty that on-the-spot water power pipe is installed.
2 application numbers are: the Chinese patent of CN201220470906.6 discloses " overlap joint muscle formula prestressing force bidirectional laminated slab ", superimposed sheet comprises at least three precast prestressed thin plates, rear pouring concrete layer and plate seam overlap joint reinforcing bar, it is characterized in that described precast prestressed thin plate is with ribbing or with the width plate of steel bar girder, described plate seam overlap joint reinforcing bar is continuous S type, across plate seam level, be layed in the upper surface of contiguous prefabricated thin plate, and be embedded in rear pouring concrete.Described precast prestressed thin plate is longitudinally embedded with compressor wire, is laterally embedded with continuous S type transverse reinforcement, and transverse reinforcement two ends upwards bending expose concrete upper surface certain length.
3 application numbers are: the Chinese patent of CN201210342000.0 discloses " overlap joint muscle formula prestressing force bidirectional laminated slab and construction method ", and bidirectional laminated slab comprises at least three precast prestressed thin plates, rear pouring concrete layer and plate seam overlap joint reinforcing bar.Described precast prestressed thin plate is with ribbing or with the large width plate of steel bar girder, described plate seam overlap joint reinforcing bar is continuous S shape, is layed in the upper surface of contiguous prefabricated thin plate, and is embedded in rear pouring concrete across plate seam level.
The installation of the S type transverse reinforcement of 2-3 item patent can affect the stretch-draw quality of presstressed reinforcing steel.And easily there is reinforcing bar congestion problem in the termination dowel stretching out when plate is assembled.
4 application numbers are: the Chinese patent of CN201210592784.2 discloses " a kind of reinforced concrete prefabricated superimposed sheet with truss rib ", this superimposed sheet, comprise base plate and the longitudiual truss rib vertical with base plate, wherein said truss rib within it portion is provided with light steel truss or plain bars truss.Described truss rib comprises upper chord, lower chord parallel with upper chord and that be combined with base plate, is connected to a plurality of truss web between upper chord and lower chord, and the hole forming between a plurality of web member.Described truss rib is to be formed by a pair of Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has two edges of a wing that are parallel to each other and is connected to a plurality of shaped steel web members that between the described edge of a wing, parallel interval is arranged, and described a pair of Z-type lattice configuration steel combines in superimposed mode.Described prefabricated superimposed sheet is assembled at the scene, arranges longitudinal upper reinforcement and transversely lower stress reinforcing bar, then concreting.Described superimposed sheet is applicable to the structures such as laminated plate floor construction, balcony.
5 application numbers are: the Chinese patent of CN201220748969.3 discloses " a kind of reinforced concrete prefabricated superimposed sheet with truss rib ", this superimposed sheet comprises base plate and the longitudiual truss rib vertical with base plate, and wherein said truss rib within it portion is provided with light steel truss or plain bars truss.Described truss rib comprises upper chord, lower chord parallel with upper chord and that be combined with base plate, is connected to a plurality of truss web between upper chord and lower chord, and the hole forming between a plurality of web member.Described truss rib is to be formed by a pair of Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has two edges of a wing that are parallel to each other and is connected to a plurality of shaped steel web members that between the described edge of a wing, parallel interval is arranged, and described a pair of Z-type lattice configuration steel combines in superimposed mode.Described prefabricated superimposed sheet is assembled at the scene, arranges longitudinal upper reinforcement and transversely lower stress reinforcing bar, then concreting.Described superimposed sheet is applicable to the structures such as laminated plate floor construction, balcony.
The upper chord of the truss rib of this patent of 4-5 item, lower chord, web member are installed after completion, the overstocked difficulty that has strengthened on-the-spot water power pipe installation in space.
6 application numbers are: the Chinese patent of CN201120298406.4 discloses " with the precast prestressed plate of steel bar girder frange plate ", precast prestressed plate with steel bar girder frange plate is a kind of assembly concrete laminated floor slab with bidirectional stress performance, by precast prestressed concrete base plate, precast concrete edge of a wing strip plate and the steel bar girder that is cast in respectively in upper and lower plates, formed, between base plate and frange plate, leave the gap of wearing conduit and reinforcing bar.Together with first steel bar girder being cast in the concrete edge of a wing strip plate during making, to with steel bar girder frange plate, turn over turnback together with the base plate that is positioned at the longitudinal reinforcement of triangular reinforced bar truss cusp and broken line abdomen muscle kink and cross direction profiles muscle and is jointly pressed into tensioned prestressing bar cloth concrete material again, vibrated concrete maintenance, form the precast prestressed concrete plate with steel bar girder frange plate.
7 application numbers are: the Chinese patent of CN201110235282.X discloses " with precast prestressed plate and the preparation method of steel bar girder frange plate ", with the precast prestressed plate of steel bar girder frange plate and preparation method be a kind of assembly concrete laminated floor slab with bidirectional stress performance and preparation method, by precast prestressed concrete base plate, precast concrete edge of a wing strip plate and the steel bar girder that is cast in respectively in upper and lower plates, formed, between base plate and frange plate, leave the gap of wearing conduit and reinforcing bar.Together with first steel bar girder being cast in the concrete edge of a wing strip plate during making, to with steel bar girder frange plate, turn over turnback together with the base plate that is positioned at the longitudinal reinforcement of triangular reinforced bar truss cusp and broken line abdomen muscle kink and cross direction profiles muscle and is jointly pressed into tensioned prestressing bar cloth concrete material again, vibrated concrete maintenance, form the precast prestressed concrete plate with steel bar girder frange plate.
Between this patent base plate of 6-7 item and frange plate, leave the gap of wearing conduit and reinforcing bar, the hidden danger of quality problems in the future can be caused in this gap.Because frange plate is equivalent to suspension frame on base plate.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and simple structure, easy for installation is provided, and a kind of nothing that structural strength is high is stretched out the prestressed truss superimposed sheet of termination dowel.
A kind of nothing of the present utility model is stretched out the prestressed truss superimposed sheet of termination dowel, it comprises prestressing force precast plate, on described prestressing force precast plate, built in-situ layer, the many horizontal non-prestressing tendons that are intervally installed are installed in described prestressing force precast plate, top and bottom at the horizontal non-prestressing tendon described in many are fixed with respectively the many longitudinal prestressing muscle that are intervally installed and the many truss bottom longitudinal ribs that are intervally installed, the truss top longitudinal rib that is provided with corresponding with every two truss bottom longitudinal rib in described in-situ layer forms one group of brace rod, each group longitudinal rib both sides, a truss top in brace rod separately in the truss triangle muscle by a undulate being obliquely installed and this group brace rod bottom a truss of corresponding side longitudinal rib be fixedly linked.
The utility model has the advantage of: construction cost is low, easy for installation firmly, simple structure, structural strength be high.
Accompanying drawing explanation
Fig. 1 is the precast plate schematic top plan view that a kind of nothing of the present utility model is stretched out the prestressed truss superimposed sheet of termination dowel;
Fig. 2 is the horizontal elevational schematic view that a kind of nothing of the present utility model is stretched out the prestressed truss superimposed sheet of termination dowel;
Fig. 3 is longitudinal elevational schematic view that a kind of nothing of the present utility model is stretched out the prestressed truss superimposed sheet of termination dowel.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
A kind of nothing of the present utility model is stretched out the prestressed truss superimposed sheet of termination dowel as shown in drawings, it comprises prestressing force precast plate 1, on described prestressing force precast plate 1, built in-situ layer 8, the many horizontal non-prestressing tendons 3 that are intervally installed are installed in described prestressing force precast plate 1, top and bottom at the horizontal non-prestressing tendon 3 described in many are fixed with respectively the many longitudinal prestressing muscle 2 that are intervally installed and the many truss bottom longitudinal ribs 5 that are intervally installed, the truss top longitudinal rib 6 that is provided with corresponding with every two truss bottom longitudinal rib 5 in described in-situ layer forms one group of brace rod, each group longitudinal rib 6 both sides, a truss top in brace rod separately in the truss triangle muscle 4 by a undulate being obliquely installed and this group brace rod bottom a truss of corresponding side longitudinal rib 5 be fixedly linked.
Claims (1)
1. a nothing is stretched out the prestressed truss superimposed sheet of termination dowel, it is characterized in that: it comprises prestressing force precast plate, on described prestressing force precast plate, built in-situ layer, the many horizontal non-prestressing tendons that are intervally installed are installed in described prestressing force precast plate, top and bottom at the horizontal non-prestressing tendon described in many are fixed with respectively the many longitudinal prestressing muscle that are intervally installed and the many truss bottom longitudinal ribs that are intervally installed, the truss top longitudinal rib that is provided with corresponding with every two truss bottom longitudinal rib in described in-situ layer forms one group of brace rod, each group longitudinal rib both sides, a truss top in brace rod separately in the truss triangle muscle by a undulate being obliquely installed and this group brace rod bottom a truss of corresponding side longitudinal rib be fixedly linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233894.4U CN203821668U (en) | 2014-05-08 | 2014-05-08 | Prestress truss composite slab without extended end anchor bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233894.4U CN203821668U (en) | 2014-05-08 | 2014-05-08 | Prestress truss composite slab without extended end anchor bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203821668U true CN203821668U (en) | 2014-09-10 |
Family
ID=51477182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420233894.4U Expired - Fee Related CN203821668U (en) | 2014-05-08 | 2014-05-08 | Prestress truss composite slab without extended end anchor bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203821668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130634A (en) * | 2017-06-28 | 2017-09-05 | 中建科技湖南有限公司 | A kind of noncontact attachment structure of the prefabricated piping lane of split-type |
| CN111395642A (en) * | 2020-03-24 | 2020-07-10 | 贵州美可斯建筑工程技术有限公司 | Assembled gypsum building wallboard and manufacturing method thereof |
-
2014
- 2014-05-08 CN CN201420233894.4U patent/CN203821668U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130634A (en) * | 2017-06-28 | 2017-09-05 | 中建科技湖南有限公司 | A kind of noncontact attachment structure of the prefabricated piping lane of split-type |
| CN111395642A (en) * | 2020-03-24 | 2020-07-10 | 贵州美可斯建筑工程技术有限公司 | Assembled gypsum building wallboard and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170508 |