CN102296736A - Self-supporting heat-insulation hollow floor slab and construction method thereof - Google Patents
Self-supporting heat-insulation hollow floor slab and construction method thereof Download PDFInfo
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- CN102296736A CN102296736A CN2011102570735A CN201110257073A CN102296736A CN 102296736 A CN102296736 A CN 102296736A CN 2011102570735 A CN2011102570735 A CN 2011102570735A CN 201110257073 A CN201110257073 A CN 201110257073A CN 102296736 A CN102296736 A CN 102296736A
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- 238000009413 insulation Methods 0.000 title claims abstract description 58
- 238000010276 construction Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 239000004744 fabric Substances 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 22
- 238000010792 warming Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000011505 plaster Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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- Floor Finish (AREA)
Abstract
The invention discloses a self-supporting heat-insulating hollow floor slab and a construction method thereof, wherein the self-supporting heat-insulating hollow floor slab comprises a plurality of frames which are composed of bottom plates and a plurality of steel bar trusses which are erected above the bottom plates and connected with the bottom plates, opposite ends of the bottom plates of two adjacent frames are connected, and concrete is poured on the steel bar trusses. The self-supporting heat-insulating hollow floor slab has the functions of heat insulation or sound insulation, and simultaneously reduces the consumption of steel, thereby reducing the production cost. The construction method has the advantages of simple operation and easy learning and use.
Description
Technical field
The present invention relates to building engineering field, be specifically related to the job practices of a kind of self-bearing type insulation cassette ceiling and this self-bearing type insulation cassette ceiling.
Background technology
The steel bar girder floor support plate is with upper and lower layer longitudinal reinforcement (being upper and lower chord member), the minor diameter reinforcing bar (being the abdomen muscle) that is shaped with bending welds, form and to have certain rigidity and jack truss that can bearing load, with this jack truss and profiled sheet welding, make by cast-in-situ concrete then again.The steel bar girder floor support plate has the advantage that integral rigidity is big, anti-seismic performance is good, and easy to control because of its short construction period, construction quality, has obtained extensive use on a lot of engineerings at home and abroad in recent years.
The patent No. is ZL200520031277.7, and the Chinese patent that name is called " reinforcing bar combination floor support plate " discloses a kind of steel bar girder floor support plate.Fig. 1 shows the structure of the steel bar girder of this steel bar girder floor support plate, in the construction stage, with a plurality of profiled sheets 21 successively mutually snapping as base plate to hold concrete, the a plurality of steel bar girders 22 of welding are to provide the strength and stiffness of steel bar girder floor support plate on the profiled sheet 21 behind the snapping successively, and then concreting, make as the profiled sheet 21 of base plate with build the steel bar girder floor support plate of finishing and be connected as a single entity.In operational phase, steel bar girder 22 bears service load as the arrangement of reinforcement of concrete floor.
Since existing base plate with build the steel bar girder floor support plate of finishing and be connected as a single entity, it is big that it removes difficulty, the cost height.Therefore generally do not remove after having built concrete as the profiled sheet of base plate, there is fairly obvious defective in this steel bar girder floor support plate:
1, this base plate is only born the effect of template in work progress, does not bring into play any effect under normal mode of occupation, and is unfavorable for finishing, and increased engineering cost.
2, the base plate of steel bar girder floor support plate generally adopts steel plate, has therefore increased the building structural steel amount, is unfavorable for environmental protection and energy-saving and emission-reduction.
3, in use, the maintenance of base plate has been increased use cost and durability of structures has been impacted.
Owing to there is above-mentioned shortcoming, the steel bar girder floor support plate only is applied to public and large-scale commercial building at present, has limited its applying in a large amount of civilian construction.
Summary of the invention
The raising that above-mentioned defective that exists at prior art and people require the house insulation sound insulation value, the problem to be solved in the present invention is, a kind of self-bearing type insulation cassette ceiling is provided, this self-bearing type insulation cassette ceiling can reduce concrete amount, after the construction of finishing self-bearing type insulation cassette ceiling, base plate still can be brought into play insulation or deadening, with insulation or the sound insulation value of improving floor integral body.
For addressing the above problem, the invention provides a kind of self-bearing type insulation cassette ceiling, comprise a plurality of frameworks of forming by base plate and the many Pin steel bar girder that is erected at described base plate top and be connected with described base plate, the base plate of adjacent two described frameworks is connected, built concrete on the described steel bar girder, it is characterized in that described base plate comprises gauze wire cloth and the warming plate and/or the sound insulating panel that are positioned on the described gauze wire cloth, the bottom of described steel bar girder is connected with described base plate by a plurality of connectors.
As preferably, be provided with along the hollow section of described steel bar girder length direction between adjacent two described steel bar girders.
As preferably, the quantity of the described hollow section between adjacent two described steel bar girders is identical arbitrarily, and described hollow section is pipe or square tube.
As preferably, the top between the adjacent described steel bar girder is connected with upper reinforcement, and the top of described hollow section is connected with described upper reinforcement.
As preferably, the base plate between the adjacent described steel bar girder is provided with the bracing frame that is used to support described hollow section, fixedlys connected with described base plate in the bottom of support frame as described above.
As preferably, the thickness of described warming plate is 1～10cm.
As preferably, the two ends of described base plate all have connector, are used for the connection between a plurality of frameworks.
As preferably, the soffit of described gauze wire cloth is wiped with floated coat.
The present invention also provides a kind of job practices of self-bearing type insulation cassette ceiling, described self-bearing type insulation cassette ceiling comprise base plate, be erected at the many Pin steel bar girder on the base plate and be cast in base plate and steel bar girder on concrete, described job practices may further comprise the steps:
Step 1: the framework of assembling self-bearing type insulation cassette ceiling, warming plate and/or sound insulating panel placed form base plate on the gauze wire cloth, then many Pin steel bar girder is placed the top of described base plate, the bottom with every Pin steel bar girder is connected with described base plate by a plurality of connectors at last;
Step 2: described framework is installed, the base plate of adjacent two described frameworks is connected, the two ends of the described steel bar girder of each described framework are placed respectively on wall or the beam;
Step 3: install and the vertical longitudinal reinforcement and the tension rib that is connected with wall or beam of steel bar girder;
Step 4:, form self-bearing type insulation cassette ceiling to described framework concreting.
As preferably, also be included in the step that hollow section is set between adjacent two described steel bar girders between step 2 and the step 3, the bracing frame that is fixed on the described base plate at first is set between adjacent two described steel bar girders, hollow section is set on support frame as described above then, connecting upper reinforcement on the top of adjacent two described steel bar girders at last, fixedlys connected with described upper reinforcement in the top of described hollow section.
As preferably, also be included in the step that the soffit of the gauze wire cloth of base plate is plastered, this step can be before step 2 the processing plant or the job site workplace of steel bar girder carry out, the method that also can adopt concrete gun to spray in the intact back of concreting that self-bearing type is incubated cassette ceiling or manually plaster is plastered at the soffit of gauze wire cloth, forms floated coat.
As preferably, in order to reduce the distortion of base plate, also be included between step 2 and the step 3 described floor support plate below the step of support is set.
Compared with prior art, self-bearing type insulation cassette ceiling of the present invention and job practices thereof have following beneficial effect:
1, the base plate of self-bearing type insulation cassette ceiling of the present invention adopts warming plate and/or sound insulating panel to make, and makes floor support plate have the function of insulation or sound insulation, has also reduced the consumption of steel simultaneously, thereby has reduced cost of production.
2, self-bearing type of the present invention insulation cassette ceiling has alleviated the floor deadweight and has improved the sound isolation of floor heat-insulating property owing to added hollow section, and helps pipe line arrangement such as hot-water heating electricity.After concrete setting, warming plate in the base plate and/or sound insulating panel are born the effect of heat-insulation and heat-preservation and/or sound insulation still as the part of structure, have reduced energy consumption.
3, can save the base plate maintenance costs when using after plaster in the bottom of self-bearing type insulation cassette ceiling of the present invention, help finishing simultaneously.
4, the job practices of self-bearing type of the present invention insulation cassette ceiling have simple to operate, the advantage that is easy to learn and use.
Description of drawings
Fig. 1 is the structural representation (not concreting) of steel bar girder floor support plate of the prior art.
Fig. 2 is that the self-bearing type of embodiments of the invention is incubated the not structural representation of concreting of cassette ceiling.
Fig. 3 is the structural representation of the self-bearing type insulation cassette ceiling of embodiments of the invention.
Fig. 4 is two structural representations that self-bearing type insulation cassette ceiling connects of embodiments of the invention.
Fig. 5 is the vertical view of Fig. 2.
Fig. 6 is for having increased the structural representation of longitudinal reinforcement in Fig. 5.
Fig. 7 is the schematic flow sheet that the self-bearing type of embodiments of the invention is incubated the job practices of cassette ceiling.
Description of reference numerals
1-concrete 2-hollow section
3-steel bar girder 31-lower edge reinforcing bar
4-base plate 41-warming plate
42-gauze wire cloth 43-floated coat
5-connector 51-pad
6-bracing frame 7-upper reinforcement
8-connector 9-self-bearing type insulation cassette ceiling
The 10-longitudinal reinforcement
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail, but not as a limitation of the invention.
As shown in Figures 2 and 3, a kind of self-bearing type insulation cassette ceiling 9 of embodiments of the invention, comprise a plurality of frameworks of forming by base plate 4 and the many Pin steel bar girder 3 that is erected at base plate 4 tops and be connected with base plate 4, the base plate 4 of adjacent two described frameworks is connected, and has built concrete 1 on the steel bar girder 3.Wherein, base plate 4 comprises gauze wire cloth 42 and the warming plate 41 (certainly, gauze wire cloth also can replace with steel mesh reinforcement) that is positioned on the gauze wire cloth 42, and the bottom of steel bar girder 3 is connected with base plate 4 by a plurality of connectors 5.Specifically as shown in Figures 2 and 3, the upper end of connector 5 is connected with the lower edge reinforcing bar 31 or the abdomen muscle of the bottom of steel bar girder 3, and this connection can also can be mechanical connection for welding, as the mode etc. that is connected of screw and nut.The lower end of connector 5 is passed warming plate 41 and is connected the mode etc. that is connected of mechanical connection such as screw and nut with pad 51 by welding or mechanical connection with gauze wire cloth 42 backs.Certainly, those skilled in the art can adopt any reliable mode connecting reinforcement truss 3 and base plate 4.
The self-bearing type insulation cassette ceiling 9 of the present invention of the foregoing description adopts the mode of warming plate 41 and gauze wire cloth 42 combinations to constitute, the employing of warming plate 41 can increase the heat-insulating property of self-bearing type insulation cassette ceiling 9, non-deformability and plastering quality in order to strengthen warming plate 41 are provided with gauze wire cloth 42 below warming plate 41.The thickness of warming plate 41 can be selected as required, is preferably 1～10cm.The thickness of warming plate 41 should not be too thick, and too thick meeting increases construction cost, and influences the floor headroom.If but warming plate 41 is too thin, then can influence heat insulation effect, and cause floor support plate to produce large deflection easily, gauze wire cloth 42 also can substitute with expanded metal lath or other similar reinforced mesh.In addition, warming plate 41 also can replace with sound insulating panel or heat-preservation sound-insulation board, to play the effect of insulation and/or sound insulation.
As a kind of preferred version of present embodiment,, as shown in Figures 2 and 3, be provided with along the hollow section 2 of steel bar girder 3 length directions between adjacent two steel bar girders 3 in order further to alleviate the floor deadweight.And the quantity of preferred hollow section 2 between adjacent two steel bar girders 3 arbitrarily is identical.Hollow section 2 between adjacent two steel bar girders 3 shown in Fig. 2 and Fig. 3 is two.And hollow section 2 is pipe, and hollow section 2 also can adopt square tube certainly.The setting of hollow section 2 also can improve the sound insulation and the heat-insulating property of self-bearing type insulation cassette ceiling 9.
As another preferred version of present embodiment, be provided for supporting the bracing frame 6 of hollow section 2 on the base plate 4 between the adjacent steel bar girder 3, fixedly connected with base plate 4 in the bottom of bracing frame 6.Two inclined to one side two side positions in upper end that hollow section 2 is symmetricly set on bracing frame 6.Certainly, hollow section 3 also can be for a plurality of, and the structure of bracing frame 6 also is not limited only to the structure shown in Fig. 2 and Fig. 3.Can as long as can play the bracing frame 6 of the structure of the effect of supporting hollow section 2.For further fixation hollow pipe 2, the top between the adjacent steel bar girder 3 connects upper reinforcement 7, and the top of hollow section 2 is connected with upper reinforcement 7.
As another preferred version of present embodiment, the connector 8 that the two ends of base plate 4 all have is used for the connection between a plurality of frameworks.Fig. 4 shows the structural representation that two self-bearing type insulation cassette ceilings 9 connect.
Continuation is in conjunction with Fig. 2 to Fig. 7, the present invention discloses a kind of job practices of self-bearing type insulation cassette ceiling, self-bearing type insulation cassette ceiling 9 comprises the framework of being made up of base plate 4 and the many Pin steel bar girder 3 that is erected at base plate 4 tops and be connected with base plate 4, the base plate 4 of adjacent two described frameworks is connected, and has built concrete 1 on the steel bar girder 3.Described job practices may further comprise the steps:
Step 1: the framework of assembling self-bearing type insulation cassette ceiling 9, warming plate 41 is placed formation base plate 4 on the gauze wire cloth 42, then many Pin steel bar girder 3 is placed on the upper surface of base plate 4, the bottom with every Pin steel bar girder 3 is connected with base plate 4 by a plurality of connectors 5 at last;
Step 2: described framework is installed, the base plate 4 of adjacent two described frameworks is connected, and makes the two ends of the steel bar girder 3 of each described framework place (not shown) on wall or the beam respectively, realization is connected with the reliable of wall or beam;
Step 3: the longitudinal reinforcement 10 and the tension rib that with wall or beam be connected vertical with steel bar girder 3 are installed;
Step 4:, form self-bearing type insulation cassette ceiling 9 to described framework concreting.
A kind of preferred version as the present embodiment method, also be included in the step that hollow section 2 is set between adjacent two steel bar girders 3 between step 2 and the step 3, the bracing frame 6 that is fixed on the base plate 4 at first is set between adjacent two steel bar girders 3, hollow section 2 is set on bracing frame 6 then, connecting upper reinforcement 7 on the top of adjacent two steel bar girders 3 at last, fixedlys connected with upper reinforcement 7 in the top of hollow section 2.
Another kind of preferred version as the present embodiment method, also be included in the step that the soffit of the gauze wire cloth 42 of base plate 4 is plastered, this step can be before step 2 the processing plant or the job site workplace of steel bar girder 3 carry out, also can build the method that adopts concrete gun to spray in the back and plaster, form floated coat 43 at the soffit of gauze wire cloth 42 at the concrete 1 that self-bearing type is incubated cassette ceiling.Just, both can before concreting 1, plaster, also can behind concreting 1, plaster.The effect of plastering is both can protect gauze wire cloth 42, prevents that it from getting rusty, and can play effect attractive in appearance again.As another preferred version of present embodiment method, in order to reduce the distortion of base plate 4, also be included between step 2 and the step 3 self-bearing type insulation cassette ceiling 9 below the step of support is set.The quantity that supports and density is set according to the material of base plate 4 and determines to the requirement of deflection.
Above embodiment is an exemplary embodiment of the present invention only, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. a self-bearing type is incubated cassette ceiling, comprise a plurality of frameworks of forming by base plate and the many Pin steel bar girder that is erected at described base plate top and be connected with described base plate, the base plate of adjacent two described frameworks is connected, built concrete on the described steel bar girder, it is characterized in that, described base plate comprises gauze wire cloth and the warming plate and/or the sound insulating panel that are positioned on the described gauze wire cloth, and the bottom of described steel bar girder is connected with described base plate by a plurality of connectors.
2. self-bearing type insulation cassette ceiling according to claim 1 is characterized in that, is provided with along the hollow section of described steel bar girder length direction between adjacent two described steel bar girders.
3. self-bearing type insulation cassette ceiling according to claim 2 is characterized in that the quantity of the described hollow section between adjacent two described steel bar girders is identical arbitrarily, and described hollow section is pipe or square tube.
4. according to claim 2 or 3 described self-bearing type insulation cassette ceilings, it is characterized in that the top between the adjacent described steel bar girder is connected with upper reinforcement, the top of described hollow section is connected with described upper reinforcement.
5. self-bearing type insulation cassette ceiling according to claim 4 is characterized in that the base plate between the adjacent described steel bar girder is provided with the bracing frame that is used to support described hollow section, fixedlys connected with described base plate in the bottom of support frame as described above.
6. self-bearing type insulation cassette ceiling according to claim 1 is characterized in that the thickness of described warming plate is 1～10cm.
7. self-bearing type insulation cassette ceiling according to claim 1 is characterized in that the soffit of described gauze wire cloth is wiped with floated coat.
8. the job practices of self-bearing type insulation cassette ceiling, described self-bearing type insulation cassette ceiling comprises a plurality of frameworks of being made up of base plate and the many Pin steel bar girder that is erected at described base plate top and be connected with described base plate, the opposite end of the base plate of adjacent two described frameworks connects, built concrete on the described steel bar girder, it is characterized in that described job practices may further comprise the steps:
Step 1: the framework of assembling self-bearing type insulation cassette ceiling, warming plate and/or sound insulating panel placed form base plate on the gauze wire cloth, then many Pin steel bar girder is placed the top of described base plate, the bottom with every Pin steel bar girder is connected with described base plate by a plurality of connectors at last;
Step 2: described framework is installed, the base plate of adjacent two described frameworks is connected, the two ends of the described steel bar girder of each described framework are placed respectively on wall or the beam;
Step 3: install and the vertical longitudinal reinforcement and the tension rib that is connected with wall or beam of steel bar girder;
Step 4:, form self-bearing type insulation cassette ceiling to described framework concreting.
9. the job practices of self-bearing type insulation cassette ceiling according to claim 8, it is characterized in that, also be included in the step that hollow section is set between adjacent two described steel bar girders between step 2 and the step 3, the bracing frame that is fixed on the described base plate at first is set between adjacent two described steel bar girders, hollow section is set on support frame as described above then, connecting upper reinforcement on the top of adjacent two described steel bar girders at last, fixedlys connected with described upper reinforcement in the top of described hollow section.
10. the job practices of self-bearing type according to claim 8 insulation cassette ceiling is characterized in that, also is included in the step that the soffit of the gauze wire cloth of base plate is plastered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110257073.5A CN102296736B (en) | 2011-09-01 | 2011-09-01 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110257073.5A CN102296736B (en) | 2011-09-01 | 2011-09-01 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
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| CN102296736A true CN102296736A (en) | 2011-12-28 |
| CN102296736B CN102296736B (en) | 2014-01-08 |
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| CN102635067A (en) * | 2012-05-15 | 2012-08-15 | 江苏赛特钢结构有限公司 | Combined beam plate structure based on U-shaped channel steel |
| CN102852254A (en) * | 2012-08-10 | 2013-01-02 | 上海理想家园工程营造有限公司 | Multi-functional template floor structural system for quickly building and construction method thereof |
| CN103821271A (en) * | 2014-02-28 | 2014-05-28 | 长春工程学院 | Light heat-preservation sound-insulation and supporting-free floor slab |
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