CN102277920B - Hollow reinforced concrete floor and construction method - Google Patents
Hollow reinforced concrete floor and construction method Download PDFInfo
- Publication number
- CN102277920B CN102277920B CN 201110101206 CN201110101206A CN102277920B CN 102277920 B CN102277920 B CN 102277920B CN 201110101206 CN201110101206 CN 201110101206 CN 201110101206 A CN201110101206 A CN 201110101206A CN 102277920 B CN102277920 B CN 102277920B
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- prefabricated
- cast
- prefabricated panel
- sidewall
- floor
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title abstract description 9
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 1
- 238000010422 painting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a hollow reinforced concrete floor and a construction method. The hollow floor comprises dense cast-in-situ ribs (1), prefabricated sidewalls (2), prefabricated bottom plates (3) and a cast-in-situ top plate (4). At least one hole (18) is formed on the prefabricated bottom plate (3). A screw cap (16) and a sleeve (17) are embedded in the hole (18). The construction method comprises the following steps of: supporting a template (11), binding reinforcing bars (12) and arranging the prefabricated sidewalls (2); arranging the prefabricated bottom plates (3) on placement parts (9), casting concrete, inserting bolts (13) into the sleeves (17) in a way of interlocking the bolts (13) and the screw caps (16) after the concrete reaches certain strength, disassembling the placement parts (9), and arranging the prefabricated bottom plates (3) on bottom bumps (7) by utilizing the bolts (13); and painting mortar (15) on the lower part of the prefabricated bottom plates (3) to form the whole hollow floor. The cast-in-situ concrete and prefabricated parts of the hollow floor form a commonly stressed structural system; and the floor has light weight, low cost, high mechanical performance and high 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:
A kind of floor spiced by steel reinforced concrete (publication number is CN1670324A), comprise reinforced concrete prefabricated board, close rib, during construction, a good template is arranged a plurality of reinforced concrete floors in length and breadth earlier, be placed on the template, put carriage or back-up block on the base plate, compress reinforced concrete prefabricated top board on carriage or the back-up block, filling out with steel concrete at the precast plate gap location of arranging in length and breadth becomes close rib, top board, base plate, close rib water and build up integral body, form floor spiced.The top board of this cassette ceiling, base plate, carriage are not tight with being connected of cast-in-place close rib, and the globality of floor is bad, and the floor end face is that prefabricated units and cast-in-place member are formed jointly, and the anti-permeability performance of floor is not good.
Summary of the invention:
The object of the present invention is to provide that a kind of performance is good, feed consumption is few, in light weight, reinforced concrete hollow floor that 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, prefabricated sidewall, prefabricated panel, cast-in-place top board form cavity, the invention is characterized in has at least one hole on the described prefabricated panel, be embedded with nut and sleeve in the hole.During concreting, owing in the hole sleeve is arranged, and the sleeve end face is higher than the prefabricated panel end face, guaranteed that concrete can not stop up hole, 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.
For making above-mentioned cassette ceiling, job practices of the present invention comprises the steps: (1) template, and the close rib steel muscle of colligation is placed the prefabricated sidewall of being with hold item; (2) prefabricated panel is placed on the hold item, concreting, treat that concrete reaches certain intensity after, form cast-in-place close rib and cast-in-place top board, 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.
Hold item on the prefabricated sidewall can be used for shelving prefabricated panel, and before concreting, prefabricated panel places on the hold item, play the effect of template, simultaneously, will lay one deck separation layer on the prefabricated panel, like this, can prevent cast-in-situ concrete and prefabricated panel bonding.Between the prefabricated sidewall of arranging in length and breadth and behind the concreting of prefabricated panel top, form cast-in-place close rib and cast-in-place top board, after treating that concrete reaches certain intensity, hold item is removed, the effect of separation layer has been arranged, prefabricated panel is easy to separate with cast-in-place top board, then prefabricated panel is placed on the bottom projection of prefabricated sidewall.Top projection on the prefabricated sidewall 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; Bottom projection on the prefabricated sidewall can be used to support prefabricated panel, makes prefabricated sidewall and prefabricated panel form integral body.
In order to strengthen being connected between prefabricated sidewall and the cast-in-situ concrete, in prefabricated top side wall anchor rib is set, behind the concreting, anchor rib and cast-in-situ concrete bonding, build-in, the overall performance of floor is fine.
Description of drawings:
Fig. 1 is the prefabricated panel structural representation
Fig. 2 is the sectional drawing of Fig. 1 prefabricated panel
Fig. 3 is reinforced concrete hollow floor construction schematic diagram
Fig. 4 is reinforced concrete hollow floor overall structure schematic diagram
Fig. 5 is prefabricated side wall construction schematic diagram
Fig. 6 is prefabricated panel and prefabricated sidewall assembly unit schematic diagram
Among the last figure, 1 is cast-in-place close rib, and 2 is prefabricated sidewall, and 3 is prefabricated panel, 4 is cast-in-place top board, and 5 is the cavity that is formed by prefabricated sidewall, prefabricated panel, cast-in-place top board, and 6 is the top projection on the prefabricated sidewall 2,7 is the bottom projection on the prefabricated sidewall 2, and 8 is the anchor rib at prefabricated sidewall 2 tops, and 9 is hold item, 10 is separation layer, and 11 is template, and 12 is reinforcing bar, 13 is bolt, and 14 is precast plate, and 15 is mortar, 16 for being embedded in the nut in the hole 18, and 17 is sleeve, and 18 is the hole on the prefabricated panel 3.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing.
The present invention is shown in accompanying drawing 1～6, 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.At least one hole 18 is arranged on the described prefabricated panel 3, be embedded with nut 16 and sleeve 17 in the hole 18.During concreting, owing in the hole 18 sleeve 17 is arranged, guaranteed that concrete can not stop up hole 18, 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.Fig. 1 is prefabricated panel 3 structural representations, Fig. 2 is the sectional drawing of prefabricated panel 3 among Fig. 1, among the figure, be embedded with nut 16 and sleeve 17 in the hole 18, sleeve 17 can guarantee that concrete can not stop up hole 18, simultaneously, has laid one deck separation layer 10 on the prefabricated panel 3, like this, can prevent cast-in-place top board 4 concrete and prefabricated panel 3 bondings.
During construction, prop up template 11 earlier, the close rib steel muscle 12 of colligation is placed the prefabricated sidewall 2 of being with hold item 9; Prefabricated panel 3 is placed on the hold item 9, concreting, treat that concrete reaches certain intensity after, form cast-in-place close rib 1 and cast-in-place top board 4, 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, at 3 times whitewash mortars 15 of prefabricated panel, form whole cassette ceiling.Fig. 3 is reinforced concrete hollow floor construction schematic diagram, and the reinforced concrete hollow floor overall structure after the formation as shown in Figure 4.
Hold item 9 on the prefabricated sidewall 2 can be used for shelving prefabricated panel 3, and before concreting, prefabricated panel 3 places on the hold item 9, play the effect of template, simultaneously, will lay one deck separation layer 10 on the prefabricated panel 3, like this, can prevent cast-in-situ concrete and prefabricated panel 3 bondings.Between the prefabricated sidewall of arranging in length and breadth 2 and behind the prefabricated panel 3 top concretings, form cast-in-place close rib 1 and cast-in-place top board 4, after treating that concrete reaches certain intensity, hold item 9 is removed, the effect of separation layer 10 has been arranged, prefabricated panel 3 is easy to separate with cast-in-place top board 4, prefabricated panel 3 is placed on the bottom projection 7 of prefabricated sidewall 2 then.Top projection 6 on the prefabricated sidewall 2 can make prefabricated panel 3 ends and prefabricated sidewall 2 side plates that certain distance is arranged, and like this, has guaranteed that prefabricated panel 3 can not be stuck in the process that is placed into prefabricated sidewall 2 bottom projections 7; Bottom projection 7 on the prefabricated sidewall 2 can be used to support prefabricated panel 3, makes prefabricated sidewall 2 and prefabricated panel 3 form whole.
In order to strengthen being connected between prefabricated sidewall 2 and the cast-in-situ concrete, at prefabricated sidewall 2 tops anchor rib 8 is set, behind the concreting, anchor rib 8 and cast-in-situ concrete bonding, build-in, the overall performance of floor is fine.
Fig. 5 is prefabricated sidewall 2 structural representations, among the figure, top projection 6 and bottom projection 7 is arranged on the prefabricated sidewall 2, and hold item 9 is arranged at prefabricated sidewall 2 tops, and anchor rib 8 is arranged at the top.
Fig. 6 is prefabricated panel 3 and prefabricated sidewall 2 assembly unit schematic diagrames, and among the figure, prefabricated panel 3 is made up of two precast plates 14, and prefabricated panel 3 can be assembled for the precast plate 14 of different size, like this, can satisfy different design and construction needs.
Claims (2)
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: at least one hole (18) is arranged on the described prefabricated panel (3), prefabricated sidewall (2), prefabricated panel (3), cast-in-place top board (4) form cavity (5), are embedded with nut (16) and sleeve (17) in the hole (18).
2. a job practices of making the described reinforced concrete hollow floor of claim 1 comprises the steps: a template (11), and the close rib steel muscle of colligation (12) is placed the prefabricated sidewall (2) of being with hold item (9); Prefabricated panel (3) is placed on the hold item (9), concreting, after treating that concrete reaches certain intensity, bolt (13) is inserted sleeve (17), with nut (16) interlock, 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110101206 CN102277920B (en) | 2010-06-23 | 2011-04-21 | Hollow reinforced concrete floor and construction method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010206989A CN101864820A (en) | 2010-06-23 | 2010-06-23 | Reinforced concrete hollow floor slab and construction method |
| CN201010206989.3 | 2010-06-23 | ||
| CN 201110101206 CN102277920B (en) | 2010-06-23 | 2011-04-21 | Hollow reinforced concrete floor and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102277920A CN102277920A (en) | 2011-12-14 |
| CN102277920B true CN102277920B (en) | 2013-08-28 |
Family
ID=42956729
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 Before (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101864820A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251611B (en) * | 2010-06-13 | 2014-04-30 | 吴方伯 | Reinforced concrete hollow floor slab and construction method |
| CN102251610A (en) * | 2010-06-13 | 2011-11-23 | 吴方伯 | Hollow reinforced concrete floor |
| CN102168463A (en) * | 2010-11-25 | 2011-08-31 | 吴方伯 | Reinforced concrete hollow floorslab and construction method |
| CN102182268B (en) * | 2010-11-25 | 2013-04-03 | 吴方伯 | Reinforced concrete hollow floor and construction method |
| CN105627486B (en) * | 2014-11-27 | 2019-01-29 | 中国中元国际工程有限公司 | HEPA filter and air conditioning system |
| 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 |
| CN110952710B (en) * | 2019-10-14 | 2023-12-12 | 中民筑友科技产业有限公司 | Prefabricated floor slab with formwork-free installation and production method thereof |
Citations (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 |
| CN101067321A (en) * | 2006-05-01 | 2007-11-07 | 邱则有 | Sandwich structural parts for concrete |
| CN101260696A (en) * | 2004-01-06 | 2008-09-10 | 邱则有 | Assembled reinforcing steel bar concrete hollow floor slab |
-
2010
- 2010-06-23 CN CN201010206989A patent/CN101864820A/en not_active Withdrawn
-
2011
- 2011-04-21 CN CN 201110101206 patent/CN102277920B/en active Active
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102277920A (en) | 2011-12-14 |
| CN101864820A (en) | 2010-10-20 |
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Owner name: AIR CHINA CONSTRUCTION ENGINEERING CO., LTD. Free format text: FORMER OWNER: WU FANGBO Effective date: 20130902 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 410082 CHANGSHA, HUNAN PROVINCE TO: 410004 CHANGSHA, HUNAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130902 Address after: 410004 HC metro, section 788, Furong South Road, Tianxin District, Changsha, Hunan Patentee after: ZHONGHANG CONSTRUCTION ENGINEERING CO.,LTD. Address before: 410082 Hunan province Changsha Lushan Road Structure Engineering Research Institute Hunan University Patentee before: Wu Fangbo |
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Effective date of registration: 20240416 Granted publication date: 20130828 |
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