CN1644833A - Hollow prefabricated steel bar reinforced concrete boards - Google Patents
Hollow prefabricated steel bar reinforced concrete boards Download PDFInfo
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- CN1644833A CN1644833A CN 200510031192 CN200510031192A CN1644833A CN 1644833 A CN1644833 A CN 1644833A CN 200510031192 CN200510031192 CN 200510031192 CN 200510031192 A CN200510031192 A CN 200510031192A CN 1644833 A CN1644833 A CN 1644833A
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- reinforced concrete
- hollow prefabricated
- steel bar
- prefabricated steel
- bar reinforced
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Abstract
A prefabricated hollow reinforced concrete slab features that its both ends have the extended platforms at the bottom and the extended reinforcing bars for butt connection of two said slabs by welding and pouring concrete. Its advantages are high connection strength and high integrity.
Description
Technical field:
The present invention relates to the realm of building construction, specifically refer to a kind of hollow prefabricated steel bar reinforced concrete boards.
Background technology:
Hollow prefabricated steel bar reinforced concrete boards commonly used now is a strip, the centre has through hole, it is low that this hollow prefabricated plate has cost, convenient construction, make advantages such as easy, but this hollow prefabricated plate is floor spiced following deficiency is arranged: vertical when floor spiced, hollow prefabricated plate is shelved on needs the requirement that certain length could satisfy shelving length on the bearing, existing precast member board is as satisfying the requirement of shelving length, the piece width of two hollow prefabricated plates on bearing is just little, the edge joint position concrete is easy to crack, crack resistance, anti-leakage is poor, edge joint position connect power a little less than, and two hollow prefabricated plate longitudinal lap joint reinforcing bar length are also nonconforming, and globality is poor; The piece width is little, has also influenced the layout of pipeline.
Summary of the invention:
The object of the present invention is to provide a kind of two hollow prefabricated plates on bearing, to shelve the requirement that to satisfy shelving length, the piece width of edge joint position is also big, the edge joint position concrete is not easy to crack, crack resistance, anti-leakage are good, it is strong that edge joint position connects power, and two hollow prefabricated plate longitudinal lap joint reinforcing bar length meet the requirements, good integrity, and the while also makes things convenient for the hollow prefabricated steel bar reinforced concrete boards of pipe line arrangement.
The object of the present invention is achieved like this, this hollow prefabricated steel bar reinforced concrete boards comprises reinforced concrete slab, bottom, described reinforced concrete slab two ends is provided with the protrusion platform.
Described reinforced concrete slab two ends are provided with connecting reinforcement.
Owing to be provided with the protrusion platform in bottom, described reinforced concrete slab two ends, when floor spiced, earlier hollow prefabricated plate is shelved on the bearing, the protrusion platform that bottom, two plate body two ends is provided with can satisfy the requirement that plate body is shelved on shelving length on the bearing, the slotted cavities that adjacent two precast member board vertical splicing parts are formed becomes piece, make that the piece width of edge joint position is enough big, the edge joint position concrete is not easy to crack, and crack resistance, anti-leakage are good; The piece width is big, makes also long enough of connecting reinforcement that the plate body two ends are provided with, and longitudinal lap joint meets the requirements, and it is strong that edge joint position connects power, and good integrity makes things convenient for the layout of pipeline simultaneously.
Description of drawings:
Fig. 1 hollow prefabricated steel bar reinforced concrete boards structural representation
Another embodiment of Fig. 2 hollow prefabricated steel bar reinforced concrete boards
Another embodiment of Fig. 3 hollow prefabricated steel bar reinforced concrete boards
Another embodiment of Fig. 4 hollow prefabricated steel bar reinforced concrete boards
The hollow prefabricated plate of Fig. 5 splicing construction schematic diagram on bearing
The specific embodiment:
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, this this hollow prefabricated steel bar reinforced concrete boards, comprise reinforced concrete slab 2, the centre has through hole 5, described reinforced concrete slab 2 two ends bottoms is provided with protrudes platform 1, and described reinforced concrete slab 2 two ends are provided with connecting reinforcement 4, protrudes width L 〉=2 centimetre of platform 1,2 liang of side bottoms of described reinforced concrete slab are provided with and protrude platform 9, and reinforced concrete slab 2 both sides are provided with connecting reinforcement 3.
With reference to figure 5, when floor spiced, earlier hollow prefabricated plate 2 is shelved on bearing 8 or the template 6, the protrusion platform 1 that bottom, reinforced concrete slab 2 two ends is provided with can satisfy the requirement of shelving length, the slotted cavities that adjacent two precast member board vertical splicing parts 7 are formed becomes piece, make that the piece width of edge joint position 7 is enough big, edge joint position 7 concrete are not easy to crack, and seam about protrusion platform 1 can also stagger prevents seepage, anti-leakage is good, because the piece width is big, the connecting reinforcement 4 that plate body 2 two ends are provided with also can be grown, and makes connecting reinforcement 4 longitudinal lap joints meet the requirements, edge joint position 7 connection power are strong, good integrity.
The protrusion platform 9 that reinforced concrete slab 2 both sides are provided with, connecting reinforcement 3 make the floor spiced integral body that laterally becomes.
The present invention is applicable to buildings such as house, bridge.
Claims (3)
1, a kind of hollow prefabricated steel bar reinforced concrete boards comprises reinforced concrete slab, it is characterized in that: bottom, described reinforced concrete slab two ends is provided with the protrusion platform.
2, hollow prefabricated steel bar reinforced concrete boards according to claim 1 is characterized in that: described reinforced concrete slab two ends are provided with connecting reinforcement.
3, hollow prefabricated steel bar reinforced concrete boards according to claim 1 is characterized in that: described protrusion berm width L 〉=2 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510031192 CN1644833A (en) | 2005-01-25 | 2005-01-25 | Hollow prefabricated steel bar reinforced concrete boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510031192 CN1644833A (en) | 2005-01-25 | 2005-01-25 | Hollow prefabricated steel bar reinforced concrete boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1644833A true CN1644833A (en) | 2005-07-27 |
Family
ID=34876016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510031192 Pending CN1644833A (en) | 2005-01-25 | 2005-01-25 | Hollow prefabricated steel bar reinforced concrete boards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1644833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003008A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Reinforced concrete laminated hollow floor |
| CN105672564A (en) * | 2016-03-30 | 2016-06-15 | 殷诗宝 | Prefabricated slab with side connection structure and connection method thereof |
| CN109440991A (en) * | 2018-12-19 | 2019-03-08 | 哈尔滨达城绿色建筑技术开发股份有限公司 | A kind of glomeration building superimposed sheet unidirectional precast hollow slab in gradual change section |
-
2005
- 2005-01-25 CN CN 200510031192 patent/CN1644833A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003008A (en) * | 2010-10-26 | 2011-04-06 | 吴方伯 | Reinforced concrete laminated hollow floor |
| CN105672564A (en) * | 2016-03-30 | 2016-06-15 | 殷诗宝 | Prefabricated slab with side connection structure and connection method thereof |
| CN109440991A (en) * | 2018-12-19 | 2019-03-08 | 哈尔滨达城绿色建筑技术开发股份有限公司 | A kind of glomeration building superimposed sheet unidirectional precast hollow slab in gradual change section |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |