CN101864820A - Reinforced concrete hollow floor slab and construction method - Google Patents
Reinforced concrete hollow floor slab and construction method Download PDFInfo
- Publication number
- CN101864820A CN101864820A CN201010206989A CN201010206989A CN101864820A CN 101864820 A CN101864820 A CN 101864820A CN 201010206989 A CN201010206989 A CN 201010206989A CN 201010206989 A CN201010206989 A CN 201010206989A CN 101864820 A CN101864820 A CN 101864820A
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- prefabricated
- hollow floor
- prefabricated panel
- reinforced concrete
- sidewall
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Abstract
The invention discloses a reinforced concrete hollow floor slab and a construction method. The hollow floor slab comprises a cast-in-situ multi-rib (1), a prefabricated side wall (2), a prefabricated soleplate (3) and a cast-in-situ crest slab (4). The prefabricated soleplate (3) is provided with one or more holes (18), and a screw cap (16) and a bushing (17) are pre-buried inside the hole (18). The construction method comprises the following steps: erecting a molding plate (11), binding reinforced bars (12), and placing the prefabricated side wall (2); placing the prefabricated soleplate (3) on a holding piece (9), pouring the concrete, inserting a bolt (13) into the bushing (17) after the concrete reaches a given strength, removing the holding piece (9), and placing the prefabricated soleplate (3) on a bottom projection (7) through a bolt (13); and painting mortar (15) on the prefabricated soleplate (5) to form an integral hollow floor slab. The cast-in-situ concrete and the prefabricated component of the hollow floor slab form the common-stressed structural system, so the floor slab has light weight, low cost and good stress performance and integrity.
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, fill out with steel concrete at the hollow prefabricated gap location of arranging in length and breadth and to become close rib, form 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 comprise cast-in-place close rib, prefabricated sidewall, prefabricated panel, cast-in-place top board.The invention is characterized in has one or more hole on the described prefabricated panel, be embedded with nut and sleeve in the hole.During concreting,, guaranteed that concrete can not stop up hole owing in the hole sleeve is arranged, concreting, treat that concrete reaches certain intensity after, bolt is inserted sleeve, with the nut interlock, utilize bolt that prefabricated panel is placed on the bottom projection of prefabricated sidewall.
Feature of the present invention is that also described cassette ceiling forms cavity by prefabricated sidewall, prefabricated panel, cast-in-place top board.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, concreting and reach certain intensity after, remove hold item, prefabricated panel is placed on the bottom projection of prefabricated sidewall, like this, just forms 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, make that the stress performance of cassette ceiling and globality are better.
Feature of the present invention also is top projection or bottom projection are arranged on the described prefabricated sidewall or the top projection is arranged simultaneously and the bottom projection.The top projection can make prefabricated panel end and prefabricated sidewall side plate that certain distance is arranged, and like this, has guaranteed that prefabricated panel can not be stuck in the process that is placed into prefabricated sidewall bottom projection.The bottom projection can be used to support prefabricated panel, makes prefabricated sidewall and prefabricated panel form integral body.In top projection and the bottom projection reinforcing bar can be set, thereby improve the strength and stiffness of prefabricated sidewall.
Feature of the present invention is that also described prefabricated top side wall has anchor rib.Behind the concreting, anchor rib and cast-in-situ concrete bonding, build-in make that the collaborative work between prefabricated sidewall and the cast-in-situ concrete is stronger, and stress performance, the globality of cassette ceiling are better.
Feature of the present invention also is on the described prefabricated sidewall hold item is arranged.Hold item on the prefabricated sidewall can be used for shelving 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 bottom projection of prefabricated sidewall.
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 is made up of the precast plate more than one or.Prefabricated panel can be assembled for the precast plate of different size, makes the easy to make of precast plate, and can satisfy different design and construction needs.
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, concreting, treat that concrete reaches certain intensity after, bolt is inserted sleeve, remove hold item, utilize bolt prefabricated panel to be placed on the bottom projection of prefabricated sidewall; (3) prefabricated sidewall, prefabricated panel, cast-in-place top board form cavity, and whitewash mortar under prefabricated panel forms whole cassette ceiling.
Description of drawings:
Fig. 1 is reinforced concrete hollow floor construction schematic diagram, and 2 is prefabricated sidewall, and 3 is prefabricated panel, 4 is cast-in-place top board, and 6 is the top projection on the prefabricated sidewall 2, and 7 is the bottom projection on the prefabricated sidewall 2,8 is the anchor rib at prefabricated sidewall 2 tops, 9 is hold item, and 10 is separation layer, and 11 is template, 12 is reinforcing bar, 13 is bolt, and 17 is sleeve, and 18 is the hole on the prefabricated panel 3.
Fig. 2 is a reinforced concrete hollow floor overall structure schematic diagram, and 1 is cast-in-place close rib, and 5 is the cavity that is formed by prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4, and 15 is mortar.
Fig. 3 is prefabricated side wall construction schematic diagram
Fig. 4 is another embodiment of prefabricated sidewall
Fig. 5 is another embodiment of prefabricated sidewall
Fig. 6 is prefabricated panel and prefabricated sidewall assembly unit schematic diagram, and 14 is precast plate, and two precast plates 14 form prefabricated panel 3.
Fig. 7 is the prefabricated panel structural representation, and 18 is the hole on the prefabricated panel, and 10 is the separation layer on the prefabricated panel 3.
Fig. 8 is the sectional drawing of Fig. 7 prefabricated panel, and 16 for being embedded in the nut in the hole 18, and 17 for being embedded in the sleeve in the hole 18.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
The present invention is shown in accompanying drawing 1～8, 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.One or more hole 18 is arranged on the described prefabricated panel 3, be embedded with nut 16 and sleeve 17 in the hole 18.During concreting,, guaranteed that concrete can not stop up hole 18 owing in the hole 18 sleeve 17 is arranged, concreting, treat that concrete reaches certain intensity after, bolt 13 is inserted sleeves 17, with nut 16 interlocks, utilize bolt 13 that prefabricated panel 3 is placed on the bottom projection 7 of prefabricated sidewall 2.
Described cassette ceiling forms cavity 5 by prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4.During site operation, prop up template 11 earlier, colligation girt strip reinforcing bar 12 is placed prefabricated sidewall 2; Again prefabricated panel 3 is placed on the hold item 9, concreting, treat that concrete reaches certain intensity after, bolt 13 is inserted sleeves 17, remove hold item 9, utilize bolt 13 prefabricated panel 3 to be placed on the bottom projection 7 of prefabricated sidewall 2; Prefabricated sidewall 2, prefabricated panel 3, cast-in-place top board 4 form cavity 5, at 3 times whitewash mortars 15 of prefabricated panel, form whole cassette ceiling.
Fig. 1 is reinforced concrete hollow floor construction schematic diagram, and 13 is bolt, and 17 is sleeve, and 18 is the hole on the prefabricated panel 3.Fig. 2 is a reinforced concrete hollow floor overall structure schematic diagram, in other accompanying drawings, numbers identically, and its explanation is identical.
On the described prefabricated sidewall 2 hold item 9 is arranged.Hold item 9 on the prefabricated sidewall 2 can be used for shelving prefabricated panel 3, and prefabricated panel 3 places on the hold item 9, plays the effect of template.After treating that concrete reaches certain intensity, remove hold item 9, prefabricated panel 3 is placed on the bottom projection 7 of prefabricated sidewall 2.
On the described prefabricated panel 3 separation layer 10 is arranged.For preventing cast-in-situ concrete and prefabricated panel 3 bondings, before the concreting, on prefabricated panel 3, lay separation layer 10, like this, prefabricated panel 3 is easy to separate with cast-in-place top board 4.
Described prefabricated panel 3 is made up of the precast plate more than one or one 14.Prefabricated panel 3 among Fig. 6 is made up of two precast plates 14, and two precast plates 14 all are shelved on the hold item 9.
Fig. 7 is the prefabricated panel structural representation, and 18 is the hole on the prefabricated panel, and 10 is the separation layer on the prefabricated panel 3.Fig. 8 is the sectional drawing of Fig. 7 prefabricated panel, and 13 is bolt, is embedded with nut 16 and sleeve 17 in the hole 18, and sleeve 17 can guarantee that concrete can not stop up hole 18.
Claims (8)
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).The invention is characterized in: one or more hole (18) is arranged on the described prefabricated panel (3), be embedded with nut (16) and sleeve (17) in the hole (18).
2. 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).
3. reinforced concrete hollow floor according to claim 1 is characterized in that: top projection (6) or bottom projection (7) are arranged on the described prefabricated sidewall (2) or top projection (6) is arranged simultaneously and bottom projection (7).
4. reinforced concrete hollow floor according to claim 1 is characterized in that: anchor rib (8) is arranged at described prefabricated sidewall (2) top.
5. reinforced concrete hollow floor according to claim 1 is characterized in that: hold item (9) is arranged on the described prefabricated sidewall (2).
6. reinforced concrete hollow floor according to claim 1 is characterized in that: separation layer (10) is arranged on the described prefabricated panel (3).
7. reinforced concrete hollow floor according to claim 1 is characterized in that: described prefabricated panel (3) is made up of one or an above precast plate (14).
8. 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), concreting, treat that concrete reaches certain intensity after, bolt (13) is inserted sleeve (17), remove hold item (9), utilize bolt (13) prefabricated panel (3) to be placed on the bottom projection (7) of prefabricated sidewall (2); Prefabricated sidewall (2), prefabricated panel (3), cast-in-place top board (4) form cavity (5), and whitewash mortar (15) under prefabricated panel (3) forms whole cassette ceiling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206989A CN101864820A (en) | 2010-06-23 | 2010-06-23 | Reinforced concrete hollow floor slab and construction method |
| CN 201110101206 CN102277920B (en) | 2010-06-23 | 2011-04-21 | Hollow reinforced concrete floor and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206989A CN101864820A (en) | 2010-06-23 | 2010-06-23 | Reinforced concrete hollow floor slab and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101864820A true CN101864820A (en) | 2010-10-20 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010206989A Withdrawn CN101864820A (en) | 2010-06-23 | 2010-06-23 | Reinforced concrete hollow floor slab and construction method |
| CN 201110101206 Active CN102277920B (en) | 2010-06-23 | 2011-04-21 | Hollow reinforced concrete floor and construction method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110101206 Active CN102277920B (en) | 2010-06-23 | 2011-04-21 | Hollow reinforced concrete floor and construction method |
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| Country | Link |
|---|---|
| CN (2) | CN101864820A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168463A (en) * | 2010-11-25 | 2011-08-31 | 吴方伯 | Reinforced concrete hollow floorslab and construction method |
| CN102182268A (en) * | 2010-11-25 | 2011-09-14 | 吴方伯 | Reinforced concrete hollow floor and construction method |
| CN102251610A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Hollow reinforced concrete floor |
| CN102251611A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Reinforced concrete hollow floor slab and construction method |
| CN105627486A (en) * | 2014-11-27 | 2016-06-01 | 中国中元国际工程有限公司 | Sealing structure, efficient filter tuyere comprising sealing structure and air conditioner system |
| CN110952710A (en) * | 2019-10-14 | 2020-04-03 | 中民筑友科技产业有限公司 | Prefabricated floor slab without formwork removal and production method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351376B (en) * | 2016-08-29 | 2019-07-05 | 中冶建工集团有限公司 | Shed deckhead construction method |
| HUP1700206A1 (en) | 2017-05-15 | 2018-11-29 | Dvb Delmagyarorszagi Vasbetonipari Kft | Portable structure for prefabrication of prestressed reinforced concrete beams |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1284402A (en) * | 1968-08-06 | 1972-08-09 | Rheinbau Gmbh | Improvements in and relating to building constructions |
| CN101260696A (en) * | 2004-01-06 | 2008-09-10 | 邱则有 | Assembled reinforcing steel bar concrete hollow floor slab |
| CN101067321A (en) * | 2006-05-01 | 2007-11-07 | 邱则有 | Sandwich structural parts for concrete |
-
2010
- 2010-06-23 CN CN201010206989A patent/CN101864820A/en not_active Withdrawn
-
2011
- 2011-04-21 CN CN 201110101206 patent/CN102277920B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251610A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Hollow reinforced concrete floor |
| CN102251611A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Reinforced concrete hollow floor slab and construction method |
| CN102251611B (en) * | 2010-06-13 | 2014-04-30 | 吴方伯 | Reinforced concrete hollow floor slab and construction method |
| CN102168463A (en) * | 2010-11-25 | 2011-08-31 | 吴方伯 | Reinforced concrete hollow floorslab and construction method |
| CN102182268A (en) * | 2010-11-25 | 2011-09-14 | 吴方伯 | Reinforced concrete hollow floor and construction method |
| CN102182268B (en) * | 2010-11-25 | 2013-04-03 | 吴方伯 | Reinforced concrete hollow floor and construction method |
| CN105627486A (en) * | 2014-11-27 | 2016-06-01 | 中国中元国际工程有限公司 | Sealing structure, efficient filter tuyere comprising sealing structure and air conditioner system |
| CN110952710A (en) * | 2019-10-14 | 2020-04-03 | 中民筑友科技产业有限公司 | Prefabricated floor slab without formwork removal and production method thereof |
| CN110952710B (en) * | 2019-10-14 | 2023-12-12 | 中民筑友科技产业有限公司 | Prefabricated floor slab with disassembly-free mold and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102277920B (en) | 2013-08-28 |
| CN102277920A (en) | 2011-12-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Open date: 20101020 |