CN203080767U - Cast-in-situ densely-ribbed beam assembly box hollow floor - Google Patents
Cast-in-situ densely-ribbed beam assembly box hollow floor Download PDFInfo
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- CN203080767U CN203080767U CN 201320036053 CN201320036053U CN203080767U CN 203080767 U CN203080767 U CN 203080767U CN 201320036053 CN201320036053 CN 201320036053 CN 201320036053 U CN201320036053 U CN 201320036053U CN 203080767 U CN203080767 U CN 203080767U
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- combination box
- girt strip
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Abstract
The utility model discloses a cast-in-situ densely-ribbed beam assembly box hollow floor which is characterized by comprising reinforced concrete densely-ribbed beams, assembly box structures and reinforced concrete cast-in-situ layers. Each reinforced concrete densely-ribbed beam is formed between every two adjacent assembly boxes in a cast-in-situ mode, and the assembly box structures and the cast-in-situ reinforced concrete densely-ribbed beams are combined into a beam-plate combined whole which has a continuous box type cross section. The assembly boxes can be divided into visible boxes and invisible boxes, and composed of high-strength reinforced concrete prefabricated block bottom plates, light material plaster mold box side plates and high-strength reinforced concrete prefabricated block top plates; and the reinforced concrete cast-in-situ layers are formed on the invisible boxes in a cast-in-situ mode, and the reinforced concrete cast-in-situ layers are not arranged on the visible boxes. The assembly boxes participate in whole stressing of the structure, thus the structure height of the floor is reduced, and when the layer height is identical, more using space of a building can be provided.
Description
Technical field
The utility model belongs to building engineering field, particularly a kind of cast-in-place close girt strip combination box cassette ceiling, and the structure height of this floor can significantly reduce, and can provide more high building usage space under the identical floor height situation.
Background technology
Along with the construction development in city, the building energy-saving environmental protection more and more comes into one's own.In order to satisfy the needs of different crowd, the floor in house is designed to multi-form large span, large spatial structure.Common normal reinforced concrete beam plate can't satisfy the demand of this respect.Along with the appearance of close girt strip cassette ceiling structural system, realized the large span large spatial structure in house.
General common concrete hollow floor is to place flush type " internal mold " by certain rule, and " internal mold " is and is embedded in the object in order to form cavity and not take out in the cast-in-place concrete hollow building roof, forms cavity through poured in place concrete in floor.Form the hollow parts of tube core, casing of cavity general common several form casings such as BDF hollow thin-wall pipe, thin-walled gypsum print cartridge case, GBF honeycomb core case are arranged, the general main pore-forming that plays a part of these several casings, participation structure is not stressed, work as concrete formation, after reaching design strength, casing has also just been finished " work mission ".
Summary of the invention
The purpose of this utility model is to provide a kind of cast-in-place close girt strip combination box cassette ceiling, makes combination box participation structure integral body stressed, and then reduces the structure height of floor, and more building usage space is provided under the situation of identical floor height.
A kind of cast-in-place close girt strip combination box cassette ceiling is characterized in that, comprises reinforced concrete ribbed beam, combination box structure and reinforced concrete cast-in-situ layer; Described reinforced concrete ribbed beam cast-in-site between the adjacent set mould assembling forms; The close girt strip of combination box structure and cast-in-situ concrete is combined into the beam slab unification, has the integral body in Continuous Box cross section; Described combination box is divided into camera-lucida and camera bellows, is made up of high strength reinforced concrete prefabricated section base plate, light material plaster mould box side plate and high strength reinforced concrete prefabricated section top board; Described reinforced concrete cast-in-situ layer cast-in-site above camera bellows forms, and the reinforced concrete cast-in-situ layer is not set on the camera-lucida.
Further, be provided with protruding bar in described high strength reinforced concrete precast plate top board and the base plate, protruding bar extends anchoring in the peripheral close girt strip outward, and catches on the girt strip steel bar stress, and is stressed jointly with close girt strip.
Cassette ceiling of the present utility model has adopted the prefabricated and cast-in-place method that combines, and makes the close girt strip of combination box structure and cast-in-situ concrete be combined into the beam slab unification, have the integral body in Continuous Box cross section, and combination box participation structure integral body is stressed; Add that the protruding bar that is provided with in the high strength reinforced concrete precast plate top board, base plate of combination box extends anchoring in the peripheral close girt strip outward, and catch on the girt strip steel bar stress, stressed jointly with close girt strip.
Beneficial effect: the existing cassette ceiling of the hollow rate of concrete dense-rib cassette ceiling of the present utility model wants high, and the floor deadweight is lighter, can save material effectively, reduces construction costs; The combination box member all adopts batch production, standardization to make, thereby can reduce the on-site concrete amount of building, and improves efficiency of construction.Compare with existing girt strip floor, combination box participation structure integral body is stressed, thereby the structure height of such floor can reduce greatly, can provide more high building usage space under the identical floor height situation, and whole floor slab bottoms is smooth, the convenient use.
Description of drawings
Fig. 1 is the structural representation of the utility model casing.
Fig. 2 is camera-lucida and close girt strip connection diagram.
Fig. 3 is camera bellows and close girt strip connection diagram.
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
The specific embodiment
Cast-in-place close girt strip combination box cassette ceiling of the present utility model comprises reinforced concrete ribbed beam 1, combination box structure and reinforced concrete cast-in-situ layer 2.Reinforced concrete ribbed beam 1 cast-in-site between the adjacent set mould assembling forms, and the close girt strip of combination box structure and cast-in-situ concrete is combined into the beam slab unification, has the integral body in Continuous Box cross section.
Shown in accompanying drawing 1-3, the combination box casing is divided into camera-lucida 3 and camera bellows 4, and casing is made up of high strength reinforced concrete prefabricated section base plate 5, light material plaster mould box side plate 6 and high strength reinforced concrete prefabricated section top board 7.Reinforced concrete cast-in-situ layer 2 cast-in-site above camera bellows 4 forms, and the reinforced concrete cast-in-situ layer is not set on the camera-lucida 3.
Be provided with protruding bar 8 in the high strength reinforced concrete precast plate top board 7 of casing and the base plate 5, extend anchoring in the peripheral close girt strip outside the protruding bar 8, and catch on the girt strip steel bar stress, stressed jointly with close girt strip.
When cast-in-place close girt strip combination box cassette ceiling is constructed, the steel tube fastener scaffold is set up by full hall floor bracing frame as calculated in the scene, lay the thick veneer of 18mm, snap the line on veneer, make the position of combination box, on-site consolidation combination box then, the reinforcing bar of colligation rib ellbeam plate, last disturbing concrete forms close rib combination box cassette ceiling.Adopt steel tube fastener scaffold peace to tear open conveniently, the thick plywood character of 18mm is stable, and it is convenient to lay.Support with the steel tube fastener bearing frame, the thick veneer of 18mm is done the formwork system of support panel, become combination box by concrete prefabricated element, plaster mould box on-site consolidation, precast assembly combines with concrete cast-in-situ, accelerated the speed of floor slab construction moulding, close rib combination box cassette ceiling has also been saved construction costs on year-on-year basis, and the hollow structure of its floor has good sound insulation property.
Be the utility model construction technology process below:
Set up the full hall of a steel pipe scaffold → pave template die → snap the line → colligation framework flat beams reinforcing bar → placements combination box bottom prefabricated units → close girt strip reinforcement installation → hydroelectric line pre-buried → installation combination box gypsum side plate → placement combination box prefabricated units top board → plate face reinforcement installation → installation reinforcing bar cushion block → cleaning → concrete pouring → concrete curing.
Be the utility model construction point below:
1. combination box structure manufacture
The prefabricated units of close rib combination box cassette ceiling are entrusted the enterprise of the concrete construction prefabricated units construction qualification with corresponding experience, process by relevant criterion outside the venue, and the prefabricated units of processing are transported to the job site after acceptance(check) outside the venue.The gypsum side plate of combination box also has specialized factory that semiproduct are provided, on-the-spot reinforcement batten on four brads, the sidewall of formation combination box of only needing.
2. bracing frame is set up
According to the deadweight of close rib combination box cassette ceiling, add the load of construction, consider the bearing capacity of supporting steel pipe fastener scaffold.
3. draw the combination box position line
On the flat panel form of acceptance(check), according to the axis size of construction drawing, eject close girt strip sideline (being the position line of combination box outside), accurately in place to guarantee combination box.Must check engineering axis overall size before the snap the line, confirming can snap the line after errorless.Special marking is made with red lacquer in the combination box position, prevents that mistake from putting the camera-lucida and the camera bellows of combination box.
4. the combination box base plate is installed
1) carries out backplane according to combination box location arrangements drawing, note the position of camera-lucida and camera bellows, prevent that mistake from putting box.
When 2) the combination box base plate is in place, should aim at the combination box base plate position line of being delimited, slowly fall, contact plain with soffit formwork.Sponge strip and combination box base plate bonding is firm all around, and perusal is seamless.
5. colligation girt strip reinforcing bar
1) reinforcing bar processing according to design drawing, code requirement batching, takes into full account the relation between each structural element of beam slab by the constructor, the size of control reinforcement detailing.
2) reinforcing bar binding need be placed with combination box and cooperate, and need consider laid reinforcement binding when the combination box prefabricated panel is placed on the one hand, does not influence the installation of girt strip bottom reinforcement bars.Should note to the capable protection of combination box member, in order to avoid influence the position of combination box base plate member during reinforcing bar binding on the other hand.
3) reinforcing bar binding must not leak and prick or wrong the bundle, and must fasten concrete pad assurance thickness of protection tier, unlikely dew muscle after the form removal in strict accordance with design drawing and job specfication requirement.
4) during the girt strip reinforcement detailing, should determine the relation between beam and the beam earlier, determine girder, secondary beam, so that the control beam stirrup turns over the sample height.
5) steel bar stress joint staggered positions should strict press the code requirement execution, by the code requirement length that staggers joint location is staggered.
6. the combination box side plate is installed
The thick gypsum plank combination box of 6mm side plate is installed on the combination box base plate, and side plate is installed on the water jacket of under casing.Side wall dimensions should conform to the combination box size.Note keeping the stability of side plate in the installation process, installation should be straight, and the combination box side plate should be vertical with base plate, and is vertical mutually between the side plate, must not occur becoming flexible, being out of shape.
7. the combination box top board is installed
1) arranges drawing according to close girt strip combination box cassette ceiling combination box, place combination box concrete prefabricated element top board, note camera-lucida and camera bellows, prevent that mistake from putting box.
2) in the process that the combination box top board is placed, two people's work compounds are slowly put down gently and are put in place.
3) top board installs the whole combination box in back and answers Founder, must not distort, and accepting of top board and gypsum side plate should be firm.
4) should carry out protection after whole combination box installs, can not bear the vertical load of excessive (surpassing 60kg), must not apply horizontal loading, indeformable with the monolithic stability that guarantees combination box.
8. concreting
1) remove beam, interior building waste and the foreign material of plate before the concrete pouring, and the moistening template of watering.
2) mix the stone that the system concrete should adopt small particle diameter, cobble-stone diameter is not more than 25mm.
3) the concrete blanking should be even, avoids impacting the side plate of combination box.
4) adopt the vibrating head of diameter 25mm to vibrate in the concrete placement, the side plate of the combination box of must not vibrating vibrates evenly, avoids causing because of vibrating the displacement of combination box.
5) after concrete pouring is finished, note, adopt film to cover the method for watering and carry out maintenance according to the gentle tender feeling condition of weather.
Than concrete dense-rib cassette ceiling of the prior art, combination box is not only used as template, and as primary structure member, has saved construction costs to a certain extent.Simultaneously to compare the constructing operation process simple with other form of structure, and the manpower of input reduces, and can reduce labour intensity.The structure height ground of floor can reduce greatly, can provide more high building usage space under the identical floor height situation.
Claims (2)
1. a cast-in-place close girt strip combination box cassette ceiling is characterized in that, comprises reinforced concrete ribbed beam, combination box structure and reinforced concrete cast-in-situ layer; Described reinforced concrete ribbed beam cast-in-site between the adjacent set mould assembling forms; The close girt strip of combination box structure and cast-in-situ concrete is combined into the beam slab unification, has the integral body in Continuous Box cross section; Described combination box is divided into camera-lucida and camera bellows, is made up of high strength reinforced concrete prefabricated section base plate, light material plaster mould box side plate and high strength reinforced concrete prefabricated section top board; Described reinforced concrete cast-in-situ layer cast-in-site above camera bellows forms, and the reinforced concrete cast-in-situ layer is not set on the camera-lucida.
2. cast-in-place close girt strip combination box cassette ceiling as claimed in claim 1, it is characterized in that, be provided with protruding bar in described high strength reinforced concrete precast plate top board and the base plate, protruding bar extends anchoring in the peripheral close girt strip outward, and catch on the girt strip steel bar stress, stressed jointly with close girt strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036053 CN203080767U (en) | 2013-01-22 | 2013-01-22 | Cast-in-situ densely-ribbed beam assembly box hollow floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036053 CN203080767U (en) | 2013-01-22 | 2013-01-22 | Cast-in-situ densely-ribbed beam assembly box hollow floor |
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| Publication Number | Publication Date |
|---|---|
| CN203080767U true CN203080767U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320036053 Expired - Fee Related CN203080767U (en) | 2013-01-22 | 2013-01-22 | Cast-in-situ densely-ribbed beam assembly box hollow floor |
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| CN (1) | CN203080767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912331A (en) * | 2014-03-13 | 2015-09-16 | 汤锋 | Construction method for cast-in-place concrete hollow floor |
-
2013
- 2013-01-22 CN CN 201320036053 patent/CN203080767U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912331A (en) * | 2014-03-13 | 2015-09-16 | 汤锋 | Construction method for cast-in-place concrete hollow floor |
| CN104912331B (en) * | 2014-03-13 | 2018-05-22 | 汤锋 | A kind of Construction of Cast-in-situ Concrete Hollow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20210122 |