CN102002999A - Reinforced concrete superimposed hollow floor system - Google Patents
Reinforced concrete superimposed hollow floor system Download PDFInfo
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- CN102002999A CN102002999A CN 201010519399 CN201010519399A CN102002999A CN 102002999 A CN102002999 A CN 102002999A CN 201010519399 CN201010519399 CN 201010519399 CN 201010519399 A CN201010519399 A CN 201010519399A CN 102002999 A CN102002999 A CN 102002999A
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- floor system
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- macropore
- hollow floor
- hollow section
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Abstract
The invention discloses a reinforced concrete superimposed hollow floor system, which comprises prefabricating ribbed structural member plates (1), a cast-in-place concrete superimposed layer (2), a hollow pipe (3) and a transverse steel bar (10), wherein the prefabricating ribbed structural member plates (1) comprises a bottom plate (5) and a longitudinal rib (6); the longitudinal rib (6) consists of a webplate (12) and a flange (13); a large hole (7) is formed in the middle of the webplate (12), and a small hole (8) is formed on the lower part of the webplate (12), or the large hole (7) is formed in the middle of the webplate (12), and the small holes (8) are formed on the upper part and the lower part of the webplate (12); and the hollow pipe (3) in the superimposed hollow floor system passes through the large hole (7) laterally. During construction, a plurality of prefabricating ribbed structural member plates (1) are assembled, the transverse steel bar (10) is arranged in the small hole (8) of the webplate (12) transversely, the hollow pipe (3) passes through the large hole (7) and is perpendicular to the longitudinal rib (6), a hole on the end part of the hollow pipe (3) is blocked by a choke plug (4), and the concrete superimposed layer is poured so as to form the reinforced concrete superimposed hollow floor system. The superimposed hollow floor system has large bearing capacity and few consumed materials, is convenient to construct, and is particularly suitable for large-span floor system structures.
Description
Technical field:
The present invention relates to the realm of building construction, specifically refer to a kind of reinforced concrete sandwich hollow superstructure.
Background technology:
At present, the floor spiced by steel reinforced concrete of domestic employing can bear bidirectional load, does not need on-the-spot formwork, and cost is low, and lifting, transportation are easily.Publication number be CN101831976A patent disclosure a kind of prefabricated steel rib bottom plate-concrete overlapped hollow floor system, comprise band reinforcing bar rib precast concrete base plate, vertical reinforcing bar rib, hollow mould carriage, hollow mould top board, cast-in-place overlapping layers concrete, this building cover structure is to place square hollow mould on band reinforcing bar rib precast concrete base plate, reproduction is watered the overlapping layers concrete and is formed overlapped hollow floor system, and this superstructure has that bearing capacity is big, anti-seismic performance good, can increase advantage such as floor headroom.But hollow mould directly is placed on the base plate, during cast-in-place overlapping layers concrete, concrete only with the side and the end face bonding of hollow mould, with the bottom surface of hollow mould bonding not, make that the overall performance of this overlapped hollow floor system is bad.Simultaneously, the height of the hollow mould top board in this overlapped hollow floor system is not less than the height of reinforcing bar rib, and during cast-in-place overlapping layers concrete, hollow mould may be subjected to concrete buoyancy and to come-up, bring very big inconvenience to construction like this.
Summary of the invention:
The object of the present invention is to provide a kind of reinforced concrete sandwich hollow superstructure, advantage such as this reinforced concrete sandwich hollow superstructure has that overall performance is good, feed consumption is few, it is light to estimate one's own ability, easy construction, stress performance are good.
The object of the present invention is achieved like this, a kind of reinforced concrete sandwich hollow superstructure, comprise prefabricated panels with ribbing, cast-in-situ concrete overlapping layers, hollow section, transverse reinforcement, prefabricated panels with ribbing comprises base plate and vertical rib, vertical rib is made up of the web and the edge of a wing, have macropore, bottom that aperture is arranged in the middle of the web, perhaps middle have macropore, upper and lower that aperture is all arranged, and the invention is characterized in that the hollow section in the described overlapped hollow floor system is horizontally through the macropore layout.The web upper and lower is provided with aperture, can arrange transverse reinforcement in aperture.In the middle of the web macropore is set, hollow section is laterally penetrated in the macropore arrange, hollow section is fixing in macropore, and during the fluid concrete overlapping layers, hollow section can not move, convenient construction.Hollow section can be made into different length under different execution conditions, connect with joint between the adjacent vacant core barrel.Place hollow section in the superimposed superstructure, can save concrete, alleviate floor deadweight, hollow section arranges perpendicular to vertical rib direction, effectively the stress performance of raising overlapped hollow floor system, pour into a mould the overlapping layers concrete after, can form the bidirectional stress overlapped hollow floor system.
Feature of the present invention also is the height of described macropore more than or equal to 2/3 of web height h, and the height of aperture is less than or equal to 1/2 of web height h.Size to macropore and aperture in the construction has certain restriction.
Feature of the present invention is that also there is plug described hollow section end.End at hollow section is provided with plug, blocks the hole of hollow section end, and like this, during the fluid concrete overlapping layers, concrete just can not flow in the hollow section.
Feature of the present invention is that also described hollow section laterally connects by joint.The length of hollow section can change to some extent according to the execution conditions difference, and the adjacent vacant core barrel laterally connects by joint.
Feature of the present invention also is on the described edge of a wing connecting reinforcement is arranged.Behind the concreting overlapping layers, connecting reinforcement and concrete folding layer bonding, build-in make the collaborative work between prefabricated panels with ribbing and the concrete folding layer stronger, and stress performance, the globality of superimposed superstructure are better.
Feature of the present invention is that also the form of fracture of described hollow section is for circular or oval.The form of hollow section can be selected according to the practice of construction needs, and when the fluid concrete overlapping layers, the contact area of circular or oval hollow section and cast-in-situ concrete is bigger, helps bonding, the build-in of hollow section and concrete folding layer.
Feature of the present invention also is described macropore for circular or oval, and aperture is rectangle, circle, square, oval, triangle, polygon or arc.The form of hole can be selected flexibly according to reality use and manufacture craft, is convenient to produce and actual the use.
Description of drawings:
In the following drawings, 1 is prefabricated panels with ribbing, and 2 are the cast-in-situ concrete overlapping layers, 3 is hollow section, 4 is the plug of hollow section end, and 5 is the base plate of prefabricated panels with ribbing, and 6 is the vertical rib of prefabricated panels with ribbing, 8 are the aperture on the vertical rib, 9 is joint, and 10 is transverse reinforcement, and 11 is connecting reinforcement, 12 are vertical rib web, and 13 are the vertical rib edge of a wing.
Fig. 1 is a reinforced concrete sandwich hollow building cover structure schematic diagram
Fig. 2 is another embodiment of reinforced concrete sandwich hollow superstructure
Fig. 3 is another embodiment of reinforced concrete sandwich hollow superstructure
Fig. 4 is prefabricated panels structural representation with ribbing
Fig. 5 is prefabricated another embodiment of panels with ribbing
Fig. 6 is that hollow section and transverse reinforcement are arranged schematic diagram
Fig. 7 is a hollow section end plug schematic diagram
Fig. 8 is a joint schematic diagram between the adjacent vacant core barrel
Fig. 9 is another embodiment of joint between the adjacent vacant core barrel
Figure 10 is prefabricated another embodiment of panels with ribbing
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
The present invention is shown in accompanying drawing 1～10, a kind of reinforced concrete sandwich hollow superstructure, comprise prefabricated panels with ribbing 1, cast-in-situ concrete overlapping layers 2, hollow section 3, transverse reinforcement 10, prefabricated panels with ribbing 1 comprises base plate 5 and vertical rib 6, vertical rib 6 is made up of the web 12 and the edge of a wing 13, have macropore 7, bottom that aperture 8 is arranged in the middle of the web 12, perhaps middle have macropore 7, upper and lower that aperture 8 is all arranged, and the invention is characterized in that the hollow section 3 in the described overlapped hollow floor system is horizontally through macropore 7 layouts.Can arrange transverse reinforcement in the aperture of web upper and lower, macropore 7 is set in the middle of the web 12, hollow section 3 laterally be penetrated in the macropore 7 arrange, hollow section 3 is fixing in macropore 7, during fluid concrete overlapping layers 2, hollow section 3 can not move, and connects with joint between the adjacent vacant core barrel.
Fig. 1 is a reinforced concrete sandwich hollow building cover structure schematic diagram, all there is aperture 8 upper and lower of the vertical rib web 12 of prefabricated panels with ribbing 1, all arrange transverse reinforcement 10 in the aperture 8 of upper and lower, cast-in-situ concrete overlapping layers 2 is poured into concordant with 13 tops, the vertical rib edge of a wing of prefabricated panels 1 with ribbing.Fig. 2 is another embodiment of reinforced concrete sandwich hollow superstructure, aperture 8 is arranged at the bottom of the vertical rib web 12 of prefabricated panels with ribbing 1, arrange transverse reinforcement 10 in the bottom aperture 8, the vertical rib edge of a wing 13 top layout transverse reinforcements 10 of prefabricated panels with ribbing 1, cast-in-situ concrete overlapping layers 2 are poured into the vertical rib edge of a wing 13 top certain distances that are higher than prefabricated panels with ribbing 1.Among Fig. 1, Fig. 2, connect with joint between the adjacent vacant core barrel 3.Fig. 3 is another embodiment of reinforced concrete sandwich hollow superstructure, and the hollow section 3 among the figure is a vast sky core barrel 3, inserts continuously in the horizontal macropore 7.Among Fig. 1, Fig. 2, Fig. 3, the vertical rib 6 of prefabricated panels 1 with ribbing is a T shape rib, on the vertical rib web 12 macropore 7 is arranged, and arranges the hollow section 3 perpendicular to vertical rib direction in the macropore 7, and fluid concrete overlapping layers 2 forms the reinforced concrete sandwich hollow superstructure.
Feature of the present invention also is the height of described macropore 7 more than or equal to 2/3 of web 12 height h, and the height of aperture 8 is less than or equal to 1/2 of web 12 height h.
Fig. 4 is for having macropore, the foraminate prefabricated panels structural representation with ribbing in bottom in the middle of the web, Fig. 5 is for there being the foraminate prefabricated panels structural representation with ribbing in macropore, upper and lower in the middle of the web.Fig. 6 is that hollow section and transverse reinforcement are arranged schematic diagram, among the figure, has arranged hollow section 3 in the macropore 7, has arranged transverse reinforcement 10 in the aperture 8.
Feature of the present invention is that also there is plug 4 described hollow section 3 ends.Fig. 7 is a hollow section end plug schematic diagram, in the end of hollow section 3 plug 4 is set, and blocks the hole of hollow section 3 ends, and like this, during fluid concrete overlapping layers 2, concrete 2 just can not flow in the hollow section 3.
Feature of the present invention is that also described hollow section 3 laterally connects by joint 9.Fig. 8 is a joint schematic diagram between the adjacent vacant core barrel, wraps in two hollow sections, 3 joints outside the joint 9, laterally connects adjacent vacant core barrel 3.Fig. 9 is another embodiment of joint between the adjacent vacant core barrel, and joint 9 laterally connects adjacent vacant core barrel 3 in the inboard of two hollow sections, 3 joints.
Feature of the present invention also is on the described edge of a wing 13 connecting reinforcement 11 is arranged.Behind the concreting overlapping layers 2, connecting reinforcement 11 and concrete folding layer 2 bonding, build-in make the collaborative work between prefabricated panels with ribbing 1 and the concrete folding layer 2 stronger.
Feature of the present invention is that also the form of fracture of described hollow section 3 is for circular or oval.
Feature of the present invention also is described macropore 7 for circular or oval, and aperture 8 is rectangle, circle, square, oval, triangle, polygon or arc.Figure 10 is the panels structural representation prefabricated with ribbing of arc for aperture.
Claims (7)
1. reinforced concrete sandwich hollow superstructure, comprise prefabricated panels with ribbing (1), cast-in-situ concrete overlapping layers (2), hollow section (3), transverse reinforcement (10), prefabricated panels with ribbing (1) comprises base plate (5) and vertical rib (6), vertical rib (6) is made up of web (12) and the edge of a wing (13), there are macropore (7), bottom that aperture (8) is arranged in the middle of the web (12), have macropore (7), upper and lower that aperture (8) is all arranged perhaps, it is characterized in that: the hollow section (3) in the described overlapped hollow floor system is horizontally through macropore (7) and arranges.
2. overlapped hollow floor system according to claim 1 is characterized in that: the height of described macropore (7) is more than or equal to 2/3 of web (12) height h, and the height of aperture (8) is less than or equal to 1/2 of web (12) height h.
3. overlapped hollow floor system according to claim 1 is characterized in that: there is plug (4) described hollow section (3) end.
4. overlapped hollow floor system according to claim 1 is characterized in that: described hollow section (3) laterally connects by joint (9).
5. overlapped hollow floor system according to claim 1 is characterized in that: connecting reinforcement (11) is arranged on the described edge of a wing (13).
6. overlapped hollow floor system according to claim 1 is characterized in that: the form of fracture of described hollow section (3) is for circular or oval.
7. overlapped hollow floor system according to claim 1 and 2 is characterized in that: described macropore (7) is for circular or oval, and aperture (8) is rectangle, circle, square, oval, triangle, polygon or arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010519399 CN102002999A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete superimposed hollow floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010519399 CN102002999A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete superimposed hollow floor system |
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| Publication Number | Publication Date |
|---|---|
| CN102002999A true CN102002999A (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010519399 Pending CN102002999A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete superimposed hollow floor system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9879423B2 (en) | 2012-11-23 | 2018-01-30 | Kim Illner BREUNING | System and method for biaxial semi-prefabricated lightweight concrete slab |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133784C (en) * | 2001-09-30 | 2004-01-07 | 邱则有 | In-situ deposited prefabricated combined hollow prestressed concrete roof |
| CN2619988Y (en) * | 2003-05-29 | 2004-06-09 | 吴方伯 | Reinforced concrete assembled floor |
| CN1598206A (en) * | 2004-08-17 | 2005-03-23 | 吴方伯 | Prestressed precast concrete board with rib |
| CN101245636A (en) * | 2007-02-13 | 2008-08-20 | 邱则有 | Laminated slab |
| CN101302784A (en) * | 2004-11-02 | 2008-11-12 | 邱则有 | Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab |
| CN101831976A (en) * | 2009-12-24 | 2010-09-15 | 湖南大学 | Prefabricated steel rib bottom plate-concrete overlapped hollow floor system |
-
2010
- 2010-10-26 CN CN 201010519399 patent/CN102002999A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133784C (en) * | 2001-09-30 | 2004-01-07 | 邱则有 | In-situ deposited prefabricated combined hollow prestressed concrete roof |
| CN2619988Y (en) * | 2003-05-29 | 2004-06-09 | 吴方伯 | Reinforced concrete assembled floor |
| CN1598206A (en) * | 2004-08-17 | 2005-03-23 | 吴方伯 | Prestressed precast concrete board with rib |
| CN101302784A (en) * | 2004-11-02 | 2008-11-12 | 邱则有 | Cast-in-situ reinforced concrete or prestressed reinforced concrete hollow slab |
| CN101245636A (en) * | 2007-02-13 | 2008-08-20 | 邱则有 | Laminated slab |
| CN101831976A (en) * | 2009-12-24 | 2010-09-15 | 湖南大学 | Prefabricated steel rib bottom plate-concrete overlapped hollow floor system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9879423B2 (en) | 2012-11-23 | 2018-01-30 | Kim Illner BREUNING | System and method for biaxial semi-prefabricated lightweight concrete slab |
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Application publication date: 20110406 |