CN108316531A - A kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof - Google Patents
A kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof Download PDFInfo
- Publication number
- CN108316531A CN108316531A CN201810071542.6A CN201810071542A CN108316531A CN 108316531 A CN108316531 A CN 108316531A CN 201810071542 A CN201810071542 A CN 201810071542A CN 108316531 A CN108316531 A CN 108316531A
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- Prior art keywords
- floor slab
- heat
- end template
- laminated floor
- concrete
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000004567 concrete Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 239000003381 stabilizer Substances 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 239000004568 cement Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 229910052918 calcium silicate Inorganic materials 0.000 description 7
- 239000000378 calcium silicate Substances 0.000 description 7
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 7
- 239000004795 extruded polystyrene foam Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006328 Styrofoam Polymers 0.000 description 3
- 238000009408 flooring Methods 0.000 description 3
- 239000008261 styrofoam Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of laminated floor slab heat insulation prefabricated bottom plates and preparation method thereof.The laminated floor slab heat insulation prefabricated bottom plate of the present invention includes steel bar girder concrete slab and heat preservation end template, and the bottom of the steel bar girder concrete slab shelves position and is equipped with concrete stabilizer blade, remaining position complex heat-preservation end template.Heat preservation end template is first laid on bed die, and reserve the gap of formation of concrete stabilizer blade by the production method of laminated floor slab heat insulation prefabricated bottom plate of the present invention before setting reinforcing bar and steel bar girder.The present invention will keep the temperature end template and be arranged in the bottom of prefabricated panel, and heat transfer heat bridge is few, and heat-insulating property is preferable；The production method of the present invention can reduce the use of releasing agent, and prefabricated panel demoulding is easier；The prefabricated rate that building can be improved, accelerates construction progress；The construction quality common fault that way can be kept the temperature to avoid the postposition of current mainstream, improves stud.
Description
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof.
Background technology
Laminated floor slab is a kind of prefabricated and cast-in-place floor construction form being combined, and has that good integrity, rigidity be big, cracking resistance
Property it is good, do not increase reinforcing bar consumption, save template, high efficient construction, be assembled architecture important component, have very
Good application prospect.
With further increasing for building energy conservation requirement, is required according to national building energy conservation is related, build the guarantor of flooring
Warm heat-proof quality has become one of building enclosure Energy Saving Control index.The various forms of laminated floor slabs with incubation and thermal insulation function
It comes into being, to sum up mainly there is following three types：1）Postposition thermal-insulating type, i.e., after the completion of laminated floor slab structure construction again
Isothermal holding is done on flooring, common way is that insulating layer is first laid on structure sheaf, and inorganic light-weight aggregate can be used in insulating layer
Mortar, extruded polystyrene board, polyurathamc etc., insulating layer do the reinforced mesh pea gravel concreten protective layer of about 40mm thickness again；2）
Self-conserving heat type discloses one such as Chinese utility model patent ZL 201620917382.9 " a kind of haydite concrete laminated floor slab "
Kind haydite concrete laminated floor slab substitutes normal concrete using haydite concrete and improves laminated floor slab heat-insulating property；3）Sandwich
Thermal-insulating type, such as application No. is a kind of 201710359999.2 Chinese patent " novel superposed buildings sandwich thermal insulated based on styrofoam
Plate and preparation method thereof " discloses a kind of novel superposed floor sandwich thermal insulated based on styrofoam, using styrofoam as sandwich
Insulating layer improves laminated floor slab heat-insulating property.
Laminated floor slab uses postposition isothermal holding way, the common quality defects such as easily cracking, hollowing of flooring to influence room
Room uses function.Self-conserving heat type laminated floor slab is limited by lightweight aggregate concrete performance, lightweight aggregate concrete heat-insulating property and mechanics
Performance cannot often meet requirement simultaneously.Sandwich thermal insulated type laminated floor slab insulating layer at steel bar girder is not easy to be arranged, and makes
Complex process, and it is easy the presence of heat transfer heat bridge, sandwich thermal insulated type laminated floor slab entirety stressing conditions are complicated, exist as structure sheaf
Security risk.
Develop that a kind of energy-saving effect is good and laminated floor slab heat insulation prefabricated bottom plate convenient for making, to promoting laminated floor slab
The development of technology and energy-saving building technology is all of great significance.
Invention content
The technical problem to be solved by the present invention is to overcome the problems of the above-mentioned prior art, a kind of energy-saving effect is provided
Good and simple for production laminated floor slab heat insulation prefabricated bottom plate.
In order to achieve the above objectives, the present invention takes following technical scheme：A kind of laminated floor slab heat insulation prefabricated bottom plate, including steel
Muscle truss concrete slab and heat preservation end template, the bottom of the steel bar girder concrete slab shelve position and are equipped with concrete stabilizer blade,
Remaining position complex heat-preservation end template.
As the supplement of above-mentioned technical proposal, the width of the concrete stabilizer blade is its shelving length on beam or wall,
Height is 20-50mm.
As the supplement of above-mentioned technical proposal, the heat preservation end template is single homogeneous thermal insulation board or composite insulation boards, is led
Hot coefficient or equivalent heat conductivity are not more than 0.20W/ (mK), keep the temperature the height of the thickness and the concrete stabilizer blade of end template
It is identical.
As the supplement of above-mentioned technical proposal, the described heat preservation end template passes through one kind of following enhancing connecting structure or more
Kind combination is securely connect with the steel bar girder concrete slab：
1）Keep the temperature the upper surface setting tongue and groove or waveform groove of end template；
2）Keep the temperature the upper surface spraying boundary mortar or interfacial agents of end template；
3）It keeps the temperature and anchoring piece is set in end template.
As the supplement of above-mentioned technical proposal, the heat preservation end template is inorganic heat insulation material (such as high density microporous silicon
Sour calcium plate), compound insulating material (such as XPS- Cement fibres composite plate) or organic insulation material (such as XPS plate).
The present invention also provides the production methods of above-mentioned laminated floor slab heat insulation prefabricated bottom plate, including branch bed die and Bian Mo, laying
Keep the temperature end template, setting reinforcing bar and steel bar girder and casting concrete；Before reinforcing bar and steel bar girder are set, end template will be first kept the temperature
It is laid on bed die, and reserves the gap of formation of concrete stabilizer blade.
Traditional main manufacturing process of laminated floor slab prefabricated panel includes branch bed die and Bian Mo, setting reinforcing bar and reinforcing bar purlin
Frame, casting concrete.The production method of the present invention is to increase by one on the basis of traditional laminated floor slab prefabricated panel production method
Heat preservation end template is first laid on bed die, and reserve formation of concrete by procedure that is, before setting reinforcing bar and steel bar girder
The gap of stabilizer blade.
As the further supplement of above-mentioned production method, enhancing connecting structure is formed on heat preservation end template in advance.
Compared with the existing technology, the device have the advantages that being：
1）Heat preservation end template is arranged in the bottom of prefabricated panel, and heat transfer heat bridge is few, and heat-insulating property is preferable；
2）Production method is easy, it is only necessary to before setting reinforcing bar and steel bar girder, will first keep the temperature end template（The knot of connection containing enhancing
Structure）It is laid on bed die, and reserves the gap of formation of concrete stabilizer blade；
3）The use of releasing agent can be reduced, and prefabricated panel demoulding is easier；
4）The prefabricated rate that building can be improved, accelerates construction progress；
5）The construction quality common fault that way can be kept the temperature to avoid the postposition of current mainstream, improves stud.
Description of the drawings
Fig. 1 is the structural schematic diagram of laminated floor slab heat insulation prefabricated bottom plate in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of 1 middle-high density calcium silicate board with microporous of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of laminated floor slab heat insulation prefabricated bottom plate in the embodiment of the present invention 2；
Fig. 4 is the upward view of Fig. 3；
Fig. 5 is the structural schematic diagram of XPS- Cement fibre composite plates in the embodiment of the present invention 2；
Fig. 6 is steel anchored framework schematic diagram in the embodiment of the present invention 2；
Fig. 7 is the structural schematic diagram of XPS plate in the embodiment of the present invention 3.
Wherein, 1- steel bar girders concrete slab, 2- concrete stabilizer blades, 3- high density calcium silicate board with microporous, 4- tongue and grooves, 5-
XPS- Cement fibre composite plates, 6- steel anchor slabs, 7- cement fibrolite plates, 8-XPS plates, 9- place the groove of steel anchor slab；10- is placed
The groove of disk anchor bolt.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
Embodiment 1
Fig. 1 is the structural schematic diagram of laminated floor slab heat insulation prefabricated bottom plate, and dimensions length 2840mm, width 1500mm are thick
Degree is 80mm, wherein heat preservation thickness is 20mm, 1 thickness of steel bar girder concrete slab is 60mm, the thickness and width of concrete stabilizer blade 2
All it is 20mm.
When making laminated floor slab heat insulation prefabricated bottom plate, select four block sizes for 1500mm（It is long）×700mm（It is wide）×25mm
（It is thick）High density calcium silicate board with microporous 3 as heat preservation end template, thermal coefficient is 0.080W/ (mK), the surface on plate
Equipped with the tongue and groove 4 that depth is 5mm.It is as shown in Figure 2 that high density microporous calcium silicate keeps the temperature end template schematic diagram.
Make laminated floor slab heat insulation prefabricated bottom plate method be：Branch bed die and Bian Mo first；Secondly it is placed on bed die high
Density calcium silicate board with microporous respectively reserves the sky of a wide 20mm when placing high density calcium silicate board with microporous at the both ends of bed die
Gap is used for formation of concrete stabilizer blade；It is that reinforcing bar and steel bar girder are set in high density calcium silicate board with microporous again；Finally pour
Concrete simultaneously conserves.
Laminated floor slab heat insulation prefabricated bottom plate forms laminated floor slab, overall thickness after pouring the concrete of 70mm afterwards at the construction field (site)
150mm, heat transfer coefficient are 1.84 W/ (m2K), meet hot-summer and cold-winter area and build existing power conservation requirement to floor heat transfer coefficient
Limit value regulation.
Embodiment 2
Fig. 3-4 be laminated floor slab heat insulation prefabricated bottom plate structural schematic diagram, dimensions length 2540mm, width 1200mm,
Thickness is 80mm, wherein heat preservation thickness is 20mm, 1 thickness of steel bar girder concrete slab is 60mm, the thickness and width of concrete stabilizer blade 2
Degree is all 20mm.
When making laminated floor slab heat insulation prefabricated bottom plate, select three block sizes for 1200mm（It is long）×833.3mm（It is wide）×20
mm（It is thick）XPS- Cement fibres composite plate 5 as heat preservation end template, and produce two every piece of cement fibrolite plate lower surface
Size is the groove 9 that 100mm × 100mm × 2mm places steel anchor slab, for installing anchoring piece.XPS- Cement fibre composite plates
As shown in figure 5, being made of the XPS plate 8 of 10mm thickness and the cement fibrolite plate 7 of 10mm thickness, equivalent heat conductivity 0.060W/
(m·K)。
Make laminated floor slab heat insulation prefabricated bottom plate method be：Branch bed die and Bian Mo first；Secondly it is placed on bed die
XPS- Cement fibres composite plate and anchoring piece, the present embodiment anchoring part are steel anchor slab 6, which is equipped with one and its
The anchor bolt of one, anchor bolt is for being anchored in XPS- Cement fibre composite plates（Fig. 6）, place XPS- Cement fibre composite plates
When at the both ends of bed die respectively reserve the gap of a wide 20mm, be used for formation of concrete stabilizer blade；It is fine in XPS- cement again
It ties up and places reinforcing bar and steel bar girder in composite plate；It is finally casting concrete and conserves.
Laminated floor slab heat insulation prefabricated bottom plate forms laminated floor slab, overall thickness after pouring the concrete of 70mm afterwards at the construction field (site)
150mm, heat transfer coefficient are 1.59 W/ (m2K), meet hot-summer and cold-winter area and build existing power conservation requirement to floor heat transfer coefficient
Limit value regulation.
Embodiment 3
It is similar to Example 2, the difference is that XPS- cement fibrolite plates to be changed to the XPS plate of high intensity into, using disk anchor bolt
Reinforce connection.0.035 W/ of XPS plate thermal coefficient (mK), lower surface are equipped with the groove 10 for placing disk anchor bolt, construction
As shown in Figure 7.Disk anchor bolt includes disk and the anchor bolt with its one, and anchor bolt is for being anchored in XPS plate, disk diameter
For 80mm.Laminated floor slab, overall thickness 150mm are formed after pouring the concrete of 70mm afterwards at the construction field (site), heat transfer coefficient is 1.15 W/
(m2K), meet the limit value regulation that hot-summer and cold-winter area builds existing power conservation requirement to floor heat transfer coefficient.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of laminated floor slab heat insulation prefabricated bottom plate, including steel bar girder concrete slab (1) and heat preservation end template, feature exist
In：It shelves position and is equipped with concrete stabilizer blade (2), remaining position complex heat-preservation bottom in the bottom of the steel bar girder concrete slab (1)
Template.
2. laminated floor slab heat insulation prefabricated bottom plate according to claim 1, it is characterised in that：The width of the concrete stabilizer blade
It is highly 20-50mm for its shelving length on beam or wall.
3. laminated floor slab heat insulation prefabricated bottom plate according to claim 1, it is characterised in that：The heat preservation end template is single
Homogeneous thermal insulation board or composite insulation boards, thermal coefficient or equivalent heat conductivity are not more than 0.20W/ (mK), keep the temperature end template
Thickness is identical as the height of concrete stabilizer blade.
4. laminated floor slab heat insulation prefabricated bottom plate according to claim 1, it is characterised in that：The heat preservation end template passes through
One or more combinations of enhancing connecting structure are securely connect with the steel bar girder concrete slab below：
A) the upper surface setting tongue and groove (4) or waveform groove of heat preservation end template；
B) the upper surface spraying boundary mortar or interfacial agents of heat preservation end template；
C) anchoring piece is set in heat preservation end template.
5. laminated floor slab heat insulation prefabricated bottom plate according to claim 1, it is characterised in that：The heat preservation end template is nothing
Machine thermal insulation material, compound insulating material or organic insulation material.
6. the production method of any one of the claim 1-5 laminated floor slab heat insulation prefabricated bottom plates, including branch bed die and Bian Mo, paving
If keeping the temperature end template, setting reinforcing bar and steel bar girder, casting concrete, it is characterised in that：Before reinforcing bar and steel bar girder are set, first
Heat preservation end template is laid on bed die, and reserves the gap of formation of concrete stabilizer blade.
7. the production method of laminated floor slab heat insulation prefabricated bottom plate according to claim 6, it is characterised in that：In advance at heat preservation bottom
Enhancing connecting structure is formed in template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071542.6A CN108316531A (en) | 2018-01-25 | 2018-01-25 | A kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071542.6A CN108316531A (en) | 2018-01-25 | 2018-01-25 | A kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108316531A true CN108316531A (en) | 2018-07-24 |
Family
ID=62887528
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810071542.6A Pending CN108316531A (en) | 2018-01-25 | 2018-01-25 | A kind of laminated floor slab heat insulation prefabricated bottom plate and preparation method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014497A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapping load-bearing wall panel and its production technology |
| CN112247017A (en) * | 2020-10-09 | 2021-01-22 | 黄金飞 | Method for manufacturing reinforcement cage of prefabricated prestressed concrete thin plate laminated floor slab |
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| JP2005213916A (en) * | 2004-01-30 | 2005-08-11 | Nippon Kaiser Kk | External heat insulating precast concrete plate, its manufacturing method, and construction method of external heat insulating structure |
| CN101200940A (en) * | 2006-12-08 | 2008-06-18 | 邱则有 | Laminated slab |
| CN101586366A (en) * | 2008-05-21 | 2009-11-25 | 万科企业股份有限公司 | Connecting structure and construction method of precast concrete plates and beams, and building comprising same |
| CN106703272A (en) * | 2017-02-03 | 2017-05-24 | 湖南诚友绿色建材科技有限公司 | Unidirectional dense-rib sandwich-type board of prestressed light-aggregate-concrete for making overlapped dense-rib floor slabs |
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| CN107542196A (en) * | 2017-09-04 | 2018-01-05 | 山东省建筑科学研究院 | Prestressed concrete bidirectional laminated slab and preparation method |
| CN206859479U (en) * | 2017-05-11 | 2018-01-09 | 杭州泽通建筑节能新材料有限公司 | A kind of steel bar girder laminated floor slab |
-
2018
- 2018-01-25 CN CN201810071542.6A patent/CN108316531A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014497A (en) * | 2019-03-19 | 2019-07-16 | 美好建筑装配科技有限公司 | A kind of sandwich heat preservation overlapping load-bearing wall panel and its production technology |
| CN112247017A (en) * | 2020-10-09 | 2021-01-22 | 黄金飞 | Method for manufacturing reinforcement cage of prefabricated prestressed concrete thin plate laminated floor slab |
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Application publication date: 20180724 |