CN110409655A - A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system and its construction technology open - Google Patents
A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system and its construction technology open Download PDFInfo
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- CN110409655A CN110409655A CN201910657323.0A CN201910657323A CN110409655A CN 110409655 A CN110409655 A CN 110409655A CN 201910657323 A CN201910657323 A CN 201910657323A CN 110409655 A CN110409655 A CN 110409655A
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- heat insulation
- heat
- insulation formwork
- lightgage steel
- steel joist
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- 238000009413 insulation Methods 0.000 title claims abstract description 108
- 239000004567 concrete Substances 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000009416 shuttering Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000009415 formwork Methods 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010439 graphite Substances 0.000 claims abstract description 18
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 10
- 229920002635 polyurethane Polymers 0.000 claims abstract description 9
- 239000004814 polyurethane Substances 0.000 claims abstract description 9
- 238000005187 foaming Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000004793 Polystyrene Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 229920002223 polystyrene Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 7
- 239000011496 polyurethane foam Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000011381 foam concrete Substances 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
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
Exempt to tear composite shuttering heat-insulation system and its construction technology open the invention discloses a kind of cast-in-place concrete, be related to building heat preservation technical field, it is intended to solve the problems, such as that there are leakage hidden troubles for seam areas in steel building conventional peripheral parapet wall body way.Its key points of the technical solution are that including double lightgage steel joist and two layers of heat insulation formwork, connecting elements is provided on heat insulation formwork, supporting block is provided between two lightgage steel joists, the bottom wall of supporting block is respectively provided with close to the both ends of corresponding lightgage steel joist there are two the limiting slot cooperated with corresponding lightgage steel joist inlay card, pours filler material between two heat insulation formworks；Heat insulation formwork includes the inner adhesion enhancement layer set gradually along its thickness direction, graphite extruded sheet, mortar interface layer, heat preservation transition zone and outboard bonds enhancement layer, and the polyurethane foaming body for blocking gap is provided between heat insulation formwork.Invention achieves solve the problems, such as that there are the effects of leakage hidden trouble for seam areas in steel building conventional peripheral parapet wall body way.
Description
Technical field
The present invention relates to building heat preservation technical field, exempt to tear composite shuttering heat preservation system open more particularly, to a kind of cast-in-place concrete
System and its construction technology.
Background technique
Be prefabricated in the factory PC component (concrete sandwich wallboard), on-site hoisting, and concrete panel uses the same steel of steel corner brace
Beam is fixed, and carries out inside and outside Decorative Construction after the completion of lifting component again.
Aforesaid way has the following problems: wallboard fixed form is to be suspended vacantly PC component using steel corner brace, to keep away
The PC component manufacturing deviation for exempting from plant produced is excessive, and 20mm wide seam is specially reserved between component and beam column, component and component and is made
It is subsequent to be blocked using cement mortar material for component deviation adjustment space, 20mm wide seam deal with improperly easily lead to moisture condensation, leak,
The problem of wall sound insulation.
Summary of the invention
Exempt to tear composite shuttering heat-insulation system and its construction technology open the object of the present invention is to provide a kind of cast-in-place concrete, have
With the presence of the effect for solving seam areas leak in conventional peripheral parapet wall body way, cold bridge potential problem.
Foregoing invention purpose one of the invention has the technical scheme that
A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system open, it is characterised in that: including double lightgage steel joist and two layers point
Not Wei Yu two opposing sidewalls of lightgage steel joist heat insulation formwork, the company of connection two sides heat insulation formwork is provided on the heat insulation formwork
Connection member is provided with supporting block between two lightgage steel joists, and the bottom wall of the supporting block is close to the two of corresponding lightgage steel joist
The limiting slot cooperated there are two being respectively provided with corresponding lightgage steel joist inlay card is held, pours filler material between two heat insulation formworks；
The heat insulation formwork includes the inner adhesion enhancement layer set gradually along its thickness direction, graphite extruded sheet, mortar interface layer, protects
Warm transition zone and outboard bonds enhancement layer are provided with the polyurethane foaming body for blocking gap between the heat insulation formwork.
By using above-mentioned technical proposal, supporting block plays supporting role between the heat insulation formwork of two sides, avoids protecting
Warm template is recessed inwardly deformation under external force, and connecting elements connects two sides heat insulation formwork, avoids heat insulation formwork
Dilatating and deformable round about.Therefore, under supporting block and the collective effect of connecting elements, the change of heat insulation formwork is effectively prevented
Shape increases so as to avoid the gap between ipsilateral heat insulation formwork.Gap is blocked using polyurethane foaming body, is reached
Waterproof, the effect for preventing cold bridge.
The present invention is further arranged to: the heat preservation transition zone be graphite polystyrene board, the mortar interface layer with a thickness of
0.8-1.2mm, the inner adhesion enhancement layer are 4-6mm, and the outboard bonds enhancement layer is 8-10mm, the heat preservation transition zone
For 13-17mm.
By using above-mentioned technical proposal, the reasonable thickness configuration of each layer enable each layer can reach preferable heat preservation or
Person's bond effect, to realize the stable structure of insulation board and the effect of good thermal insulation property.Graphite polystyrene board is classical heat-insulated
Foaming materials polystyrene passes through the product that chemical method further refines, and heat-insulating property has apparent improvement.It contains special
Graphite particle, can as mirror reflective thermal radiation, to reduce the heat loss in house, heat insulation capacity is than common EPS
At least it is higher by 30%.Graphite polystyrene board has good fire protecting performance simultaneously, and combustibility can achieve fire retardant B1 grade.In addition,
The weatherability of graphite polystyrene board and anti-psychometric performance are strong.Therefore, heat preservation transition zone will be mentioned substantially using the application of graphite polystyrene board
The thermal insulation property and service life of high insulation board.
The present invention is further arranged to: the lightgage steel joist use zinc-plated C-type steel keel, the adjacent lightgage steel joist it
Between be provided with several and use galvanized steel for fixing the tie rod of lightgage steel joist, the tie rod, the connecting elements is band spiral shell
The glass fiber rod of line.
By using above-mentioned technical proposal, tie rod connects double lightgage steel joist, improves structural stability, light steel
Keel and tie rod are galvanized steel, effectively slow down the corrosion rate of material, extend building life.Glass material has not
Combustion, corrosion-resistant, heat-insulated property, therefore as the material in heat-insulation system not only safety but also be not easy to form cold bridge phenomenon.
The present invention is further arranged to: using rubber slab as bridge cut-off material between the connecting elements and lightgage steel joist,
The seam areas of connecting elements and heat insulation formwork on the inside of the heat insulation formwork is used as bridge cut-off material using polyurethane foam filling.
By using above-mentioned technical proposal, rubber slab, connecting elements and heat preservation mould are set between connecting elements and keel
Polyurethane foam is set between plate, separates the direct transmitting of heat, is intensively quickly passed from portion to slow down heat
Cold bridge phenomenon caused by passing.
The present invention is further arranged to: the supporting block is the ceramic material of hollow pottery.
By using above-mentioned technical proposal, ceramic material has the effect of that heat-insulated, hollow ceramics pass through heat transfer
It crosses different medium transmitting and is lost, to slow down cold bridge phenomenon.
Foregoing invention purpose two of the invention has the technical scheme that
A kind of cast-in-place concrete exempts to tear composite shuttering thermal insulation construction technique open, which comprises the following steps:
A, surveying setting-out optimizes plate-laying scheme；
B, lightgage steel joist is installed, tie rod is installed between double lightgage steel joist；
C, supporting block is placed between double lightgage steel joist, limiting slot is stuck on corresponding lightgage steel joist；
D, holding up heat insulation formwork makes itself and supporting block end abutment, passes through the fixed heat insulation formwork of connecting elements；
E, plate stitch is handled；
F, filler material is poured；
G, levelling on the outside of heat insulation formwork；
H, whole to inspect for acceptance.
The implementation of entire heat-insulation system is realized from installation lightgage steel joist to examination by using above-mentioned technical proposal, is had
There is operability.
The present invention is further arranged to: in step d, mounting hole is opened on heat insulation formwork, on opposite heat insulation formwork
Mounting hole correspond, by connecting elements simultaneously the correspondence mounting hole of opposite heat insulation formwork, stretch out the both ends of heat insulation formwork
Two mould distances between plates are limited using the nut being threadedly engaged with glass fiber rod.
By using above-mentioned technical proposal, scene opens up mounting hole, convenient for glass fiber rod to be inserted into heat insulation formwork, while just
In control with respect to heat insulation formwork upper installing hole position, so that corresponding mounting hole is located at same level and axis collinear.
The present invention is further arranged to: in step d, being done at bridge cut-off between connecting elements and lightgage steel joist using rubber slab
Reason；The seam areas of connecting elements and heat insulation formwork on the inside of heat insulation formwork is used as bridge cut-off material using polyurethane foam filling.
By using above-mentioned technical proposal, rubber slab, connecting elements and heat preservation mould are set between connecting elements and keel
Polyurethane foam is set between plate, separates the direct transmitting of heat, is intensively quickly passed from portion to slow down heat
Cold bridge phenomenon caused by passing.
The present invention is further arranged to: in step f, using wheat straw brick, foam concrete, the cement and polystyrene of pulverization process
Particle slurry or perlite and cement slurry these light materials are as filler material.
By using above-mentioned technical proposal, filler material uses light material, effectively reduces the effect of structural weight per square meter.
The present invention is further arranged to: in step g, the both ends that connecting elements stretches out heat insulation formwork being dismissed, are being kept the temperature
It is laid with embedded glass fiber net outside template and smears cement mortar setting screed-coat.
By using above-mentioned technical proposal, screed-coat is used for smooth wall, decorates convenient for the later period.
In conclusion advantageous effects of the invention are as follows:
1. solving steel knot by the setting of double lightgage steel joist, heat insulation formwork, connecting elements, filler material, polyurethane foaming body
Building builds seam areas in conventional peripheral parapet wall body way and there are problems that the effect of leakage hidden trouble；
2. being sent out by the way that setting polyurethane between rubber slab, connecting elements and heat insulation formwork is arranged between connecting elements and keel
Bubble, separates the direct transmitting of heat, to achieve the effect that slow down cold bridge phenomenon；
3., to further increase heat insulating ability, having reached by the ceramic material for setting supporting block on hollow pottery and having slowed down cold bridge
The effect of phenomenon.
Detailed description of the invention
Fig. 1 is the top view of the embodiment of the present invention；
Fig. 2 is the side view of the embodiment of the present invention；
Fig. 3 is the structure structural schematic diagram of heat insulation formwork in the embodiment of the present invention.
In figure: 1, lightgage steel joist；2, tie rod；3, heat insulation formwork；31, inner adhesion enhancement layer；32, graphite extruded sheet；33,
Mortar interface layer；34, transition zone is kept the temperature；35, outboard bonds enhancement layer；36, mounting hole；4, connecting elements；5, supporting block；51,
Limiting slot；6, filler material；7, bar for line；8, glass fiber net is embedded；9, screed-coat.
Specific embodiment
A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system open, referring to Figures 1 and 2 comprising double lightgage steel joist
1, double lightgage steel joist 1 is fixed on girder steel two sides as wall skeleton, is connected between double lightgage steel joist 1 using tie rod 2,
Supporting block 5 is provided between two lightgage steel joists 1, the bottom wall both ends of supporting block 5 offer limiting slot 51, limiting slot 51 and position
Cooperate in two 1 inlay cards of corresponding lightgage steel joist of same level.Supporting block 5 is provided with multiple, rectangular array distribution.Heat preservation
Template 3 is fixed on the outside of lightgage steel joist 1 using connecting elements 4 and forms heat preservation and decoration of outer wall face, is poured between heat insulation formwork 3
Filler material 6 is built, uses polyurathamc as plugging material between the outside gap of heat insulation formwork 3.
Referring to Fig. 3, the thermal insulation material of the heat insulation formwork 3 can be organic foam thermal insulation material such as styrofoam, extruded sheet, gather
Urethane plate, phenolic board, modified polyphenyl plate etc., inorganic heat insulation material such as aerogel blanket or aeroge plate, mineral wool, rock wool, bubble
Foam glass, foamed cement, sintered pearlite plate etc., compound insulating material such as vacuum heat-insulating plate, inorganic compounding organic plates etc..At this
In embodiment, heat insulation formwork 3 is the insulation board with graphite particle, which is followed successively by 5mm thickness along its thickness direction
Inner adhesion enhancement layer 31, graphite extruded sheet 32, the mortar interface layer 33 of 1mm thickness, the heat preservation transition zone 34 of 15mm thickness and 9mm are thick
Outboard bonds enhancement layer 35.Wherein, heat preservation transition zone 34 is graphite polystyrene board, and inner adhesion enhancement layer 31 and outboard bonds add
Strong layer 35 is mortar and the alkali resistant glass fibre open weave cloth that is embedded in mortar, and mortar interface layer 33 is mortar material.Graphite extrusion molding
Plate 32 is prior art acquisition, and preparation method can refer to preparation side disclosed in the patent of Publication No. CN106009353B
Method.
Referring to Fig. 3, mortar interface layer 33 is formed with several protrusions close to the side of graphite extruded sheet 32, and protrusion is embedding
Enter in graphite extruded sheet 32, come into full contact with graphite extruded sheet 32, enables the two bonding strength improve, to improve heat insulation formwork
3 structural strength.
Referring to Fig.1, lightgage steel joist 1 uses zinc-plated C-type steel keel, galvanized steel of the tie rod 2 using 1.5*30, connecting elements
4 be threaded glass fiber rod.Supporting block 5 is the ceramic material of hollow pottery.
Using rubber slab as bridge cut-off material, the connection structure of 3 inside of heat insulation formwork between connecting elements 4 and lightgage steel joist 1
The seam areas of part 4 and heat insulation formwork 3 is used as bridge cut-off material using polyurethane foam filling.
A kind of cast-in-place concrete exempts to tear the construction technology of composite shuttering heat-insulation system open, comprising the following steps:
A, surveying setting-out optimizes plate-laying scheme；
B, lightgage steel joist 1 is installed, tie rod 2 is installed between double lightgage steel joist 1；
C, supporting block 5 is placed between double lightgage steel joist 1, limiting slot 51 is stuck on corresponding lightgage steel joist 1；
D, holding up heat insulation formwork 3 makes itself and 5 end abutment of supporting block, by the fixed heat insulation formwork 3 of connecting elements 4, in heat preservation mould
Bar for line 7 is inserted on plate 3；
E, plate stitch is handled；
F, filler material 6 is poured；
G, 3 outside of heat insulation formwork is levelling；
H, whole to inspect for acceptance.
In step d, mounting hole 36 is opened on heat insulation formwork 3, the mounting hole 36 1 on opposite heat insulation formwork 3 is a pair of
It answers, by connecting elements 4 simultaneously the correspondence mounting hole 36 of opposite heat insulation formwork 3, the both ends for stretching out heat insulation formwork 3 utilize and glass
The nut that bar is threadedly engaged limits two mould distances between plates.
In step d, bridge cut-off processing is done using rubber slab between connecting elements 4 and lightgage steel joist 1, wherein rubber slab is
The rubber of 5mm thickness.The connecting elements 4 of 3 inside of heat insulation formwork and the seam areas filled polyurethane of heat insulation formwork 3 foam, and make
For bridge cut-off material, separate the direct transmitting of heat, thus slow down heat intensively from portion quickly transmit caused by it is cold
Bridge phenomenon.
In step f, using the wheat straw brick of pulverization process, foam concrete, cement and polystyrene particle slurry or perlite water
These light materials of material-mud are as filler material 6.
In step g, the both ends that connecting elements 4 stretches out heat insulation formwork 3 are dismissed, embedded glass is laid with outside heat insulation formwork 3
Fibre web 8 simultaneously smears cement mortar formation screed-coat 9, does not influence flatness of constructing.Compared with traditional technique, due to connecting elements
For glass material, it is trapped in insulation board and reaches effective heat insulation effect, slow down cold bridge phenomenon.
The implementation principle of the present embodiment are as follows: surveying setting-out formulates construction schedule, then binds double opposite lightgage steel joist
1, tie rod 2 is connected between two rows of lightgage steel joists 1, improves 1 structural stability of lightgage steel joist.It is put between double lightgage steel joist 1
Supporting block 5 is set, two limiting slots 51 in supporting block 5 cooperate with corresponding 1 inlay card of lightgage steel joist, in this way along rectangular array side
Formula successively installs supporting block 5.Heat insulation formwork 3 is sling it is close towards the opposite side of two rows of lightgage steel joists 1, until heat insulation formwork 3
It offsets with supporting block 5, main stupefied and casing, position of the fixed heat insulation formwork 3 relative to lightgage steel joist 1 is installed.On heat insulation formwork 3
Mounting hole 36 is opened up in the horizontal direction, and the mounting hole 36 on opposite heat insulation formwork 3 corresponds and corresponding mounting hole 36 is coaxial.It will
Connecting elements 4 is inserted into two corresponding mounting holes 36 simultaneously, and heat insulation formwork 3 is stretched out at 4 both ends of connecting elements, from heat insulation formwork 3
Nut is spun on connecting elements 4 by outside, until nut and heat insulation formwork 3 offset.It is adopted between connecting elements 4 and lightgage steel joist 1
Bridge cut-off processing is done with rubber slab, wherein rubber slab is the rubber of 5mm thickness.The connecting elements 4 and heat preservation mould of 3 inside of heat insulation formwork
The seam areas filled polyurethane of plate 3 foams.Bar for line 7 is inserted on the outside of heat insulation formwork 3.
The gap between ipsilateral heat insulation formwork 3 is blocked from outside using polyurethane foaming body, is played well in wall
The plugging action of filler material 6, and the easy to clean before subsequent interior Decorative Construction.To pouring filler material 6 between two layers of heat insulation formwork 3.
After equal filler materials 6 solidify, main stupefied and casing is removed, excision connecting elements 4 stretches out the both ends of heat insulation formwork 3.In heat insulation formwork 3
Outside, which is laid with embedded glass fiber net 8 and smears cement mortar, forms screed-coat 9, smooth metope.Last entirety is inspected for acceptance.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system open, it is characterised in that: including double lightgage steel joist (1) and two
Layer is located at the heat insulation formwork (3) of (1) two opposing sidewalls of lightgage steel joist, is provided with connection two on the heat insulation formwork (3)
The connecting elements (4) of side heat insulation formwork (3) is provided with supporting block (5), the supporting block between two lightgage steel joists (1)
(5) bottom wall is respectively provided with that there are two the limits cooperated with corresponding lightgage steel joist (1) inlay card close to the both ends of corresponding lightgage steel joist (1)
Slot (51) pours filler material (6) between two heat insulation formworks (3)；The heat insulation formwork (3) include along its thickness direction according to
Inner adhesion enhancement layer (31), graphite extruded sheet (32), mortar interface layer (33), heat preservation transition zone (34) and the outside of secondary setting
It bonds enhancement layer (35), the polyurethane foaming body for blocking gap is provided between the heat insulation formwork (3).
2. cast-in-place concrete according to claim 1 exempts to tear composite shuttering heat-insulation system open, it is characterised in that: described to keep the temperature
Cross layer (34) be graphite polystyrene board, the mortar interface layer (33) with a thickness of 0.8-1.2mm, the inner adhesion enhancement layer
It (31) is 4-6mm, the outboard bonds enhancement layer (35) is 8-10mm, and the heat preservation transition zone (34) is 13-17mm.
3. cast-in-place concrete according to claim 2 exempts to tear composite shuttering heat-insulation system open, it is characterised in that: the light steel
Keel (1) use zinc-plated C-type steel keel, several are provided between the adjacent lightgage steel joist (1) for fixing lightgage steel joist
(1) tie rod (2), the tie rod (2) use galvanized steel, and the connecting elements (4) is threaded glass fiber rod.
4. cast-in-place concrete according to claim 3 exempts to tear composite shuttering heat-insulation system open, it is characterised in that: the connection structure
Connecting elements (4) using rubber slab as bridge cut-off material between part (4) and lightgage steel joist (1), on the inside of the heat insulation formwork (3)
Bridge cut-off material is used as using polyurethane foam filling with the seam areas of heat insulation formwork (3).
5. cast-in-place concrete according to claim 1 exempts to tear composite shuttering heat-insulation system open, it is characterised in that: the supporting block
It (5) is the ceramic material of hollow pottery.
6. a kind of cast-in-place concrete exempts to tear composite shuttering thermal insulation construction technique open, which comprises the following steps:
A, surveying setting-out optimizes plate-laying scheme；
B, lightgage steel joist (1) is installed, tie rod (2) is installed between double lightgage steel joist (1)；
C, supporting block (5) are placed between double lightgage steel joist (1), limiting slot (51) is stuck on corresponding lightgage steel joist (1)；
D, holding up heat insulation formwork (3) makes itself and supporting block (5) end abutment, fixed heat insulation formwork (3) by connecting elements (4)；
E, plate stitch is handled；
F, filler material (6) are poured；
G, levelling on the outside of heat insulation formwork (3)；
H, whole to inspect for acceptance.
7. construction technology according to claim 6, it is characterised in that: in step d, open peace on heat insulation formwork (3)
It fills hole (36), the mounting hole (36) on opposite heat insulation formwork (3) corresponds, and connecting elements (4) is kept the temperature mould relatively simultaneously
In the correspondence mounting hole (36) of plate (3), the both ends for stretching out heat insulation formwork (3) utilize the nut being threadedly engaged with glass fiber rod to limit two
Mould distance between plates.
8. construction technology according to claim 7, it is characterised in that: in step d, connecting elements (4) and lightgage steel joist
(1) bridge cut-off processing is done using rubber slab between；The seam of connecting elements (4) and heat insulation formwork (3) on the inside of heat insulation formwork (3)
Position is used as bridge cut-off material using polyurethane foam filling.
9. construction technology according to claim 8, it is characterised in that: in step f, using the wheat straw brick of pulverization process,
Foam concrete, cement and polystyrene particle slurry or these light materials of perlite and cement slurry are as filler material (6).
10. construction technology according to claim 9, it is characterised in that: in step g, connecting elements (4) are stretched out and are kept the temperature
The both ends of template (3) are dismissed, and are laid with embedded glass fiber net (8) outside in heat insulation formwork (3) and are smeared cement mortar setting screed-coat
(9).
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| CN201910657323.0A CN110409655A (en) | 2019-07-19 | 2019-07-19 | A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system and its construction technology open |
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| CN201910657323.0A CN110409655A (en) | 2019-07-19 | 2019-07-19 | A kind of cast-in-place concrete exempts to tear composite shuttering heat-insulation system and its construction technology open |
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| CN110409655A true CN110409655A (en) | 2019-11-05 |
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Cited By (1)
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|---|---|---|---|---|
| CN114000608A (en) * | 2021-10-12 | 2022-02-01 | 深圳嘉西亚建筑设计有限公司 | Cold-formed thin-wall light steel keel building structure |
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