CN102003009A - Reinforced concrete hollow floorslab and construction method - Google Patents
Reinforced concrete hollow floorslab and construction method Download PDFInfo
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- CN102003009A CN102003009A CN 201010519427 CN201010519427A CN102003009A CN 102003009 A CN102003009 A CN 102003009A CN 201010519427 CN201010519427 CN 201010519427 CN 201010519427 A CN201010519427 A CN 201010519427A CN 102003009 A CN102003009 A CN 102003009A
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- prefabricated panel
- reinforced concrete
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Abstract
The invention discloses a reinforced concrete hollow floorslab and a construction method. The reinforced concrete hollow floorslab comprises a cast-in-place rib (1), a prefabricated side wall (2), a prefabricated bottom slab (3) and a cast-in-place top slab (4), wherein during construction, the top of a gap in the joint of the prefabricated bottom slab (3) and the prefabricated side wall (2) is provided with a gap-covering slab (8). The construction method of the reinforced concrete hollow floorslab comprises the following steps of: putting up a template (11), binding rib beam steel (12), and placing the prefabricated side wall (2); placing the prefabricated bottom slab (3) on a shelving member (9), placing the gap-covering slab (8) at the top of the gap in the joint of the prefabricated bottom slab (3) and the prefabricated side wall (2), casting concrete, demounting the shelving member (9) after the concrete reaches a certain strength, and then placing the prefabricated bottom slab (3) on a supporting rib (7); and plastering mortar (15) at the lower part and the gap at the end of the prefabricated bottom slab (3) to form the integral hollow floorslab. The hollow floorslab comprises the cast-in-place concrete and prefabricated members and is a jointly stressed structure system, thereby having better stressed performance and integrity, light weight and low manufacturing cost.
Description
Technical field:
The present invention relates to the realm of building construction, specifically refer to a kind of reinforced concrete hollow floor and job practices.
Background technology:
Reinforced concrete cast-in-situ hollow floor plate than steel concrete solid floor feed consumption lack, floor is in light weight, the technology that existing reinforced concrete hollow floor (number of patent application 200420035588.6) adopts is with hollow prefabricated steel bar reinforced concrete, arrange in length and breadth and be placed on the bottom layer of the reinforcing steel concrete, filling out with steel concrete at the hollow prefabricated gap location of arranging in length and breadth becomes close rib, forms cassette ceiling.This cassette ceiling has following deficiency: reinforcing bar, concrete feed consumption are many, from great, increased the cost of floor, and the globality of floor are bad.
Summary of the invention:
The object of the present invention is to provide a kind of good integrity, the reinforced concrete hollow floor that feed consumption is few, floor is in light weight, cost is low.The present invention also aims to provide a kind of job practices of making this cassette ceiling.
The object of the present invention is achieved like this, a kind of reinforced concrete hollow floor, this cassette ceiling comprises cast-in-place close rib, prefabricated sidewall, prefabricated panel, cast-in-place top board, the invention is characterized in that in construction the top, slit of described prefabricated panel and prefabricated sidewall joint is provided with lid seam plate.During construction, the prefabricated sidewall that will have hold item earlier is placed on the template, then prefabricated panel is placed on the hold item, place lid seam plate at the top, slit of prefabricated panel and prefabricated sidewall joint, concreting, because lid seam plate has covered the slit between prefabricated panel and the prefabricated sidewall, can prevent that concrete from spilling from the slit, lid seam plate stretches in the cast-in-situ concrete simultaneously, after concrete reaches certain intensity, the connecting bolt between prefabricated panel and the lid seam plate is turned on, and dismounting hold item, then prefabricated panel is placed on the brace rod of prefabricated sidewall bottom,, forms whole cassette ceiling at the gap of prefabricated panel bottom and end whitewash mortar.
Feature of the present invention is that also described lid seam plate is combined into by one or an above precast plate.Lid seam plate is combined into by one or an above precast plate, can gather materials on the spot convenient construction.
Feature of the present invention also is between described lid seam plate and the prefabricated panel to be connected for hinged, snapping or bolt.Can select different types of attachment according to the construction needs.
Feature of the present invention is that also hole or breach are arranged at described prefabricated sidewall bottom, have brace rod in hole or the breach.Because hole or breach are arranged at prefabricated sidewall bottom, implant brace rod in hole or the breach, brace rod can support prefabricated panel, strengthens being connected between prefabricated panel and the prefabricated sidewall, improves the crack resistance of prefabricated panel, the globality of enhancing cassette ceiling.
Feature of the present invention is that also described cassette ceiling forms cavity by prefabricated sidewall, prefabricated panel, cast-in-place top board.Concreting and reach certain intensity after, remove hold item, prefabricated panel is placed on the brace rod of prefabricated sidewall bottom, like this, just form cavity between prefabricated sidewall, prefabricated panel, the cast-in-place top board.Prefabricated units and cast-in-situ concrete combination form common stressed structural system.
Feature of the present invention also is on the described prefabricated sidewall hold item is arranged.The hole of settling hold item is arranged on the prefabricated sidewall, hold item is inserted in the hole.Hold item can be used to shelve prefabricated panel, and prefabricated panel places on the hold item, plays the effect of template.After treating that concrete reaches certain intensity, remove hold item, prefabricated panel is placed on the brace rod.
Feature of the present invention also is on the described prefabricated panel separation layer is arranged.For preventing cast-in-situ concrete and prefabricated panel bonding, before the concreting, on prefabricated panel, lay separation layer, like this, prefabricated panel is easy to separate with cast-in-place top board.
Feature of the present invention is that also described prefabricated panel bottom is fluted.Because elongated brace rod is arranged at prefabricated sidewall bottom, corresponding grooves is arranged at the prefabricated panel bottom, and prefabricated panel is placed on the brace rod, and brace rod can stretch in the groove of prefabricated panel bottom, at prefabricated panel bottom whitewash mortar.The prefabricated panel bottom groove can increase the contact area of mortar and prefabricated panel, strengthens being connected between prefabricated panel and the girt strip, strengthens the globality of cassette ceiling.
Feature of the present invention also is on the described prefabricated panel hole is arranged.Hole on the prefabricated panel can be used to settle bolt, after cast-in-situ concrete reaches certain intensity, utilizes bolt that prefabricated panel is separated with cast-in-place top board, then prefabricated panel is placed on the brace rod of prefabricated sidewall bottom.
For making above-mentioned cassette ceiling, job practices of the present invention comprises the steps: (1) template, and colligation girt strip reinforcing bar is placed prefabricated sidewall; (2) prefabricated panel is placed on the hold item, place lid seam plate at the top, slit of prefabricated panel and prefabricated sidewall joint, concreting, treat that concrete reaches certain intensity after, remove hold item, prefabricated panel is placed on the brace rod of prefabricated sidewall bottom; (3) prefabricated sidewall, prefabricated panel, cast-in-place top board form cavity, at the gap of prefabricated panel bottom and end whitewash mortar, form whole cassette ceiling.
Description of drawings:
In the following drawings, 1 is cast-in-place close rib, and 2 is prefabricated sidewall, 3 is prefabricated panel, and 4 is cast-in-place top board, and 5 is the cavity that is formed by prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4,6 is the hole of prefabricated sidewall bottom, and 7 is brace rod, and 8 are lid seam plate, 9 is hold item, and 10 is separation layer, and 11 is template, 12 is the girt strip reinforcing bar, and 13 is bolt, and 14 is the hole on the prefabricated panel, 15 is mortar, and 16 is precast plate, and 17 is the groove of prefabricated panel bottom.
Fig. 1 is reinforced concrete hollow floor construction schematic diagram
Fig. 2 is a reinforced concrete hollow floor overall structure schematic diagram
Fig. 3 is top, the slit mounting cover seam plate schematic diagram of prefabricated panel and prefabricated sidewall joint
Fig. 4 is top, slit another embodiment of mounting cover seam plate of prefabricated panel and prefabricated sidewall joint
Fig. 5 is Fig. 4 middle cover seam plated construction schematic diagram
Fig. 6 is top, slit another embodiment of mounting cover seam plate of prefabricated panel and prefabricated sidewall joint, and among the figure, lid seam plate is combined into by four precast plates.
Fig. 7 is top, slit another embodiment of mounting cover seam plate of prefabricated panel and prefabricated sidewall joint
Fig. 8 is the prefabricated panel structural representation
Fig. 9 is prefabricated panel and prefabricated sidewall assembly unit schematic diagram
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
The present invention is shown in accompanying drawing 1～9, and a kind of reinforced concrete hollow floor, this cassette ceiling comprise cast-in-place close rib 1, prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4.As Fig. 1, Fig. 2, described prefabricated panel 3 is provided with lid seam plate 8 with the top, slit of prefabricated sidewall 2 joints, on the prefabricated sidewall 2 hold item 9 is arranged, and hole 6 is arranged at the bottom, and brace rod 7 is arranged in the hole 6, and separation layer 10 is arranged on the prefabricated panel 3.During construction, the prefabricated sidewall 2 that will have hold item 9 earlier is placed on the template 11, then prefabricated panel 3 is placed on the hold item 9, place lid seam plate 8 at the prefabricated panel 3 and the top, slit of prefabricated sidewall 2 joints, concreting, because lid seam plate 8 has covered the slit between prefabricated panel 3 and the prefabricated sidewall 2, can prevent that concrete from spilling from the slit, lid seam plate 8 stretches in the cast-in-situ concrete, after concrete reaches certain intensity, connecting bolt 13 between prefabricated panel 3 and the lid seam plate 8 is turned on, and remove hold item 9, then prefabricated panel 3 is placed on the brace rod 7 prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4 forms cavity 5, gap whitewash mortar 15 in prefabricated panel 3 bottoms and end forms whole cassette ceiling.
Fig. 3 is top, slit mounting cover seam plate 8 schematic diagrames of prefabricated panel 3 and prefabricated sidewall 2 joints, Fig. 4 is top, slit mounting cover seam plate 8 another embodiment of prefabricated panel 3 and prefabricated sidewall 2 joints, Fig. 5 is Fig. 4 middle cover seam plated construction schematic diagram, lid seam plate 8 has various ways, can select according to the needs of construction.
Described lid seam plate 8 is combined into by one or an above precast plate 16.Fig. 6, Fig. 7 are top, slit mounting cover seam plate 8 embodiment of prefabricated panel 3 and prefabricated sidewall 2 joints, and among the figure, lid seam plate 8 is combined into by four precast plates 16.
Be that hinged, snapping or bolt are connected between described lid seam plate 8 and the prefabricated panel 3.Can select different types of attachment according to the construction needs.
Described prefabricated panel 3 bottoms fluted 17.Because the brace rod 7 of prefabricated sidewall 2 bottoms is elongated muscle, corresponding grooves 17 is arranged at prefabricated panel 3 bottoms, and prefabricated panel 3 is placed on the brace rod 7, and brace rod 7 can stretch in the groove 17 of prefabricated panel 3 bottoms.
On the described prefabricated panel 3 hole 14 is arranged, hole 14 on the prefabricated panel 3 can be used to settle bolt 13, after cast-in-situ concrete reaches certain intensity, utilize bolt 13 that prefabricated panel 3 is separated with cast-in-place top board 4, prefabricated panel 3 is placed on the brace rod 7 of prefabricated sidewall 2 bottoms then.
Fig. 8 is the prefabricated panel structural representation, and Fig. 9 is prefabricated panel and prefabricated sidewall assembly unit schematic diagram, among the figure, and the bottom of prefabricated panel 3 fluted 17.
Construction sequence of the present invention is as follows:
(1) prop up template 11, colligation girt strip reinforcing bar 12 is placed prefabricated sidewall 2;
(2) prefabricated panel 3 is placed on the hold item 9, place lid seam plate 8 at the prefabricated panel 3 and the top, slit of prefabricated sidewall 2 joints, concreting, treat that concrete reaches certain intensity after, remove hold item 9, prefabricated panel 3 is placed on the brace rod 7 of prefabricated sidewall 2 bottoms;
(3) prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4 form cavity 5, and the gap whitewash mortar 15 in prefabricated panel 3 bottoms and end forms whole cassette ceiling.
Claims (10)
1. reinforced concrete hollow floor, this cassette ceiling comprises cast-in-place close rib (1), prefabricated sidewall (2), prefabricated panel (3), cast-in-place top board (4), it is characterized in that: in construction, described prefabricated panel (3) is provided with lid seam plate (8) with the top, slit of prefabricated sidewall (2) joint.
2. reinforced concrete hollow floor according to claim 1 is characterized in that: described lid seam plate (8) is combined into by one or an above precast plate (16).
3. reinforced concrete hollow floor according to claim 1 is characterized in that: be that hinged, snapping or bolt are connected between described lid seam plate (8) and the prefabricated panel (3).
4. reinforced concrete hollow floor according to claim 1 is characterized in that: hole or breach (6) are arranged at described prefabricated sidewall (2) bottom, and brace rod (7) is arranged in hole or the breach (6).
5. reinforced concrete hollow floor according to claim 1 is characterized in that: described cassette ceiling forms cavity (5) by prefabricated sidewall (2), prefabricated panel (3), cast-in-place top board (4).
6. reinforced concrete hollow floor according to claim 1 is characterized in that: hold item (9) is arranged on the described prefabricated sidewall (2).
7. reinforced concrete hollow floor according to claim 1 is characterized in that: separation layer (10) is arranged on the described prefabricated panel (3).
8. reinforced concrete hollow floor according to claim 1 is characterized in that: described prefabricated panel (3) bottom fluted (17).
9. reinforced concrete hollow floor according to claim 1 is characterized in that: hole (14) is arranged on the described prefabricated panel (3).
10. a job practices of making the described reinforced concrete hollow floor of claim 1 comprises the steps: a template (11), and colligation girt strip reinforcing bar (12) is placed prefabricated sidewall (2); Prefabricated panel (3) is placed on the hold item (9), place lid seam plate (8) at the prefabricated panel (3) and the top, slit of prefabricated sidewall (2) joint, concreting, after treating that concrete reaches certain intensity, remove hold item (9), prefabricated panel (3) is placed on the brace rod (7) of prefabricated sidewall (2) bottom; Prefabricated sidewall (2), prefabricated panel (3), cast-in-place top board (4) form cavity (5), and the gap whitewash mortar (15) in prefabricated panel (3) bottom and end forms whole cassette ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010519427 CN102003009A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete hollow floorslab and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010519427 CN102003009A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete hollow floorslab and construction method |
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| CN102003009A true CN102003009A (en) | 2011-04-06 |
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| CN 201010519427 Pending CN102003009A (en) | 2010-10-26 | 2010-10-26 | Reinforced concrete hollow floorslab and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251612A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Reinforced concrete hollow floor slab and construction method thereof |
| CN102877646A (en) * | 2012-10-19 | 2013-01-16 | 孟凡林 | Method for building grouted overlapping assembly type reinforced concrete shear wall structure |
| CN102900190A (en) * | 2012-08-19 | 2013-01-30 | 吴方伯 | Reinforced concrete hollow floor slab and construction method thereof |
| CN103147573A (en) * | 2013-03-19 | 2013-06-12 | 成军 | Natatorium roof beam slab high formwork construction method |
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| GB1297529A (en) * | 1969-10-03 | 1972-11-22 | ||
| CN1584242A (en) * | 2004-05-27 | 2005-02-23 | 吴方伯 | Steel reinforced concrete hollow floorslab |
| CN1590669A (en) * | 2003-09-02 | 2005-03-09 | 高家榕 | Cast in situ hollow floor board using ossembled canopy board as mould plate and its manufacturing method |
| CN1598207A (en) * | 2004-09-01 | 2005-03-23 | 吴方伯 | Hollow floor of reinforced concrete |
| CN200946338Y (en) * | 2006-09-28 | 2007-09-12 | 李静华 | Composite core formwork for in-situ concrete hollow slab |
| CN101122153A (en) * | 2006-08-09 | 2008-02-13 | 韩忠民 | Cast-in-situ reinforced concrete hollow floor |
| CN101864821A (en) * | 2010-06-23 | 2010-10-20 | 吴方伯 | Reinforced concrete hollow floor slab |
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2010
- 2010-10-26 CN CN 201010519427 patent/CN102003009A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1297529A (en) * | 1969-10-03 | 1972-11-22 | ||
| CN1590669A (en) * | 2003-09-02 | 2005-03-09 | 高家榕 | Cast in situ hollow floor board using ossembled canopy board as mould plate and its manufacturing method |
| CN1584242A (en) * | 2004-05-27 | 2005-02-23 | 吴方伯 | Steel reinforced concrete hollow floorslab |
| CN1598207A (en) * | 2004-09-01 | 2005-03-23 | 吴方伯 | Hollow floor of reinforced concrete |
| CN101122153A (en) * | 2006-08-09 | 2008-02-13 | 韩忠民 | Cast-in-situ reinforced concrete hollow floor |
| CN200946338Y (en) * | 2006-09-28 | 2007-09-12 | 李静华 | Composite core formwork for in-situ concrete hollow slab |
| CN101864821A (en) * | 2010-06-23 | 2010-10-20 | 吴方伯 | Reinforced concrete hollow floor slab |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251612A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Reinforced concrete hollow floor slab and construction method thereof |
| CN102900190A (en) * | 2012-08-19 | 2013-01-30 | 吴方伯 | Reinforced concrete hollow floor slab and construction method thereof |
| CN102877646A (en) * | 2012-10-19 | 2013-01-16 | 孟凡林 | Method for building grouted overlapping assembly type reinforced concrete shear wall structure |
| CN102877646B (en) * | 2012-10-19 | 2014-12-17 | 孟凡林 | Grouted overlapping assembly type reinforced concrete shear wall structure and method for building grouted overlapping assembly type reinforced concrete shear wall structure |
| CN103147573A (en) * | 2013-03-19 | 2013-06-12 | 成军 | Natatorium roof beam slab high formwork construction method |
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Application publication date: 20110406 |