CN201202223Y - Prestressed concrete double T folded plate - Google Patents
Prestressed concrete double T folded plate Download PDFInfo
- Publication number
- CN201202223Y CN201202223Y CNU2008200901012U CN200820090101U CN201202223Y CN 201202223 Y CN201202223 Y CN 201202223Y CN U2008200901012 U CNU2008200901012 U CN U2008200901012U CN 200820090101 U CN200820090101 U CN 200820090101U CN 201202223 Y CN201202223 Y CN 201202223Y
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- China
- Prior art keywords
- plate
- roofs
- prestressed concrete
- concrete double
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a building roof board, in particular to a prestressed concrete double T folded plate, which is an 'n'-shaped trough plate which is composed of a roof board and symmetrical bearing beams which are connected, wherein two folded plates which are symmetrical and tilted upwards identically are arranged on right angles on two sides of the upper end position. The utility model has the advantages that firstly, the span of the plate is big (12 to 30m), the bearing capacity is high, the structure performance is reliable, secondly, the prestressed concrete double T folded plate enables roofs to form ridge shapes, which is more beneficial for draining water of the roofs, the possibility of accumulating water is avoided, the water-proof effect of the roofs is improved, thirdly, compared with roof beam-slab systems with same spans, the sole weight of the structure is lightened, steel is saved, the projected area of a single plate is enlarged, the construction cost can be saved by 15 to 20%, simultaneously, the structure height of houses can be greatly lowered, comprehensive benefits are bigger, fourthly, since the plate is characterized in that the span is big, the plate is beneficial for preventing water of the roofs, and the like, the structure design of the buildings can be simplified.
Description
Technical field
The utility model belongs to the building roof plate, especially relates to a kind of prestressed concrete double T flap.
Background technology
At present, on the Industrial and Civil Engineering, long-span roofing structure particularly, the prestressed concrete roof panel that adopts is channel roof slab, two-way ribbed floor (double T plate), ship shape roof panel etc. usually, these large roof slabs are because span is big, application surface is than extensively being used widely.But,, the function of use of building itself, the economy of building costs are all awaited improving because self there are some defectives in these large roof slabs.Now mainly there is the problem of the following aspects in Chang Yong large roof slab: 1. the width maximum of monolithic roof panel is accomplished 2.40 meters only, and the projection area coverage of every block of plate is restricted.2. the restriction of individual plates projected area causes cost too high.3. because the form of structure of roof panel self after roof panel installs, is flat roof deck on the roofing substantially, be unfavorable for anti-draining, the ponding seepage influences the normal use of structure easily.
Summary of the invention
The purpose of this utility model is to overcome the weak point that exists in the above-mentioned technology, provides a kind of construction simple, reasonable in design, the utility model makes roofing form stupefied shape, help roof drainage more, avoided the possibility of roof ponding, improved the roof waterproof effect.
In order to achieve the above object, the technical solution adopted in the utility model is: by the Jiong shape frid that roof panel and symmetrical spandrel girder are connected and form, place, right angle, both sides, position, upper end is provided with the identical flap that is upturned of symmetry.
The utility model has the advantages that: 1. the span of plate big (12～30 meters), supporting capacity height, structural performance are reliable.2. the utility model makes roofing form stupefied shape, helps roof drainage more, has avoided the possibility of roof ponding, has improved the roof waterproof effect.3. compare with the roof girder plate body system of identical span, alleviate dead load, save steel.The projected area of individual plates strengthens, and can save cost 15～20%.Reduce simultaneously the structure height in house greatly, comprehensive benefit is more considerable.Since this plate have span big, help characteristics such as roof waterproof, can simplify design of building structures, reduce load bearing wall and beam, post quantity is set, make design more flexible, structure design is tending towards simply reducing the construction work comprehensive cost greatly, can improve the economic and social benefits.5. this plate has wide range of applications, and is specially adapted to the big roof structure of span, as: the roof system of auditorium, assembly hall, market, factory building, sports building etc.
Description of drawings
Fig. 1 is the utility model structural representation;
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in Figure 1, the Jiong shape frid that the utility model is connected and is formed by roof panel 1 and symmetrical spandrel girder 2, place, right angle, both sides, position, upper end is provided with the identical flap that is upturned 3 of symmetry.
Described flap 3 horizontal angle α are 25-60 °
The prestressed concrete double T flap be by high strength low relaxed spiral ribbed reinforced bar and steel strand as steel bar stress, produce the prestressed concrete double T flap member of multiple span.
This member is made up of reinforcing bar, concrete and relevant built-in fitting etc., can be prefabricated in factory or job site.Mainly act as roof panel, the floor of various industry and civilian construction.
Be applicable to the area of seismic fortification intensity≤8 degree.
Claims (2)
1. a prestressed concrete double T flap comprises frid, it is characterized in that: by the Jiong shape frid that roof panel (1) and symmetrical spandrel girder (2) are connected and form, place, right angle, both sides, position, upper end is provided with the identical flap that is upturned (3) of symmetry.
2. prestressed concrete double T flap according to claim 1 is characterized in that: described flap (3) horizontal angle α is 25-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200901012U CN201202223Y (en) | 2008-05-30 | 2008-05-30 | Prestressed concrete double T folded plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200901012U CN201202223Y (en) | 2008-05-30 | 2008-05-30 | Prestressed concrete double T folded plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202223Y true CN201202223Y (en) | 2009-03-04 |
Family
ID=40424535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200901012U Expired - Fee Related CN201202223Y (en) | 2008-05-30 | 2008-05-30 | Prestressed concrete double T folded plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202223Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628304A (en) * | 2012-04-23 | 2012-08-08 | 山东大学 | Corrugated web prestressed concrete laminated plate and preparation method thereof |
| CN102828581A (en) * | 2012-09-05 | 2012-12-19 | 顾朝清 | Self waterproof double-T plate and roof thereof |
-
2008
- 2008-05-30 CN CNU2008200901012U patent/CN201202223Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628304A (en) * | 2012-04-23 | 2012-08-08 | 山东大学 | Corrugated web prestressed concrete laminated plate and preparation method thereof |
| CN102628304B (en) * | 2012-04-23 | 2015-03-11 | 山东大学 | Corrugated web prestressed concrete laminated plate and preparation method thereof |
| CN102828581A (en) * | 2012-09-05 | 2012-12-19 | 顾朝清 | Self waterproof double-T plate and roof thereof |
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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: 20090304 Termination date: 20110530 |