CN101812877A - Composite type modified steel reinforced concrete self-insulating wall material and preparation method thereof - Google Patents
Composite type modified steel reinforced concrete self-insulating wall material and preparation method thereof Download PDFInfo
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- CN101812877A CN101812877A CN 201010138340 CN201010138340A CN101812877A CN 101812877 A CN101812877 A CN 101812877A CN 201010138340 CN201010138340 CN 201010138340 CN 201010138340 A CN201010138340 A CN 201010138340A CN 101812877 A CN101812877 A CN 101812877A
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Abstract
The invention relates to a composite type modified steel reinforced concrete self-insulating wall material, comprising an upper modified concrete layer, a lower modified concrete layer and a middle sandwich insulating board layer; the upper modified concrete layer is internally provided with an upper steel bar net piece layer; the lower modified concrete layer is internally provided with a lower steel bar net piece layer; the middle sandwich insulating board layer is provided with connecting holes which are internally penetrated with steel bars; the upper modified concrete layer, the middle sandwich insulating board layer and the lower modified concrete layer are connected into a whole by modified reinforced concrete formed in the connecting holes; the peripheries of the lower steel bar net piece layer and the upper steel bar net piece layer are provided with closed frame reinforced concrete beams consisting of frame steel bars and casting modified concrete, and the frame steel bar concrete beams are provided with lifting rings; and the lower steel bar net piece layer can be provided with hooks capable of containing the frame steel bars. The wall material can meet the building requirements and has the characteristics of fire prevention, insulation and energy conservation.
Description
Technical field
The invention belongs to the energy-saving building materials technical field, be specifically related to a kind of composite type modified steel reinforced concrete self-insulating wall material and preparation method thereof.
Background technology
Along with Chinese economic development, more and more higher to the energy-conservation requirement of external wall.According to relevant regulations: the external wall energy-saving of public Class A building requires mean thermal transmittance to reach 0.7W/ (m
2.K) below; The external wall energy-saving of public Class B building requires mean thermal transmittance to reach 1W/ (m
2.K) below; The external wall energy-saving of public Class C building requires mean thermal transmittance to reach 1.5W/ (m
2.K) below; The external wall energy-saving of the building of residential houses requires mean thermal transmittance to reach 1.5W/ (m
2.K) below.For satisfying the building energy conservation requirement, at present, the main method of external wall energy-saving is to increase insulation layer at wall face, this method has not only increased working procedure, has increased a large amount of labour costs, and the application life of insulation layer is shorter, cause fire easily, cause security incident.
Summary of the invention
The invention provides a kind of energy-conservation requirement of external wall of building and suitability for industrialized production composite type modified steel reinforced concrete self-insulating wall material that can satisfy all kinds of buildings.
The invention provides a kind of composite type modified steel reinforced concrete self-insulating wall material, comprise upper strata modified concrete layer, lower floor's modified concrete layer and intermediate layer sandwich thermal insulation board, it is characterized in that, be provided with the top mat sheet in the modified concrete layer of described upper strata, be provided with lower floor's reinforced mesh in lower floor's modified concrete layer; The intermediate layer sandwich thermal insulation board is provided with connecting hole, is installed with reinforcing bar in the connecting hole; Upper strata modified concrete layer, intermediate layer sandwich thermal insulation board and lower floor's modified concrete layer fuse by the modified steel reinforced concrete that forms in the connecting hole; Be provided with the frame reinforced concrete beam of the sealing of being made up of frame reinforcing bar and the modified concrete of building around lower floor's reinforced mesh and the top mat sheet, frame reinforced concrete beam one side is equipped with hoisting ring.
Described lower floor reinforced mesh has the crotch that can hold the frame reinforcing bar.
Bar gauge of the present invention comprises: the frame reinforcing bar is selected from
Screw thread or
Reinforcing bar can be adjusted as required; Top mat sheet and lower floor's reinforced mesh are selected from
The @200 reinforcing bar; Reinforcing bar is selected from the connecting hole
Reinforcing bar can be adjusted in the practical application as required.The adoptable hoisting ring specification of the present invention is at least
Hoisting ring can be adjusted in the practical application as required.
The frame reinforced concrete beam cross-sectional height of sealing of the present invention is: 160-300mm, width is: 60-200mm.
The present invention takes all factors into consideration heat-insulating property and manufacturing cost, the sandwich thermal insulated plate thickness 40-180mm in described intermediate layer.The intermediate layer sandwich thermal insulation board is too thick, can increase preparation cost, and middle sandwich thermal insulation board is too thin then not to have good heat preservation and energy conservation effects.
The present invention takes all factors into consideration whole walling heat transfer property and requirement of strength, and the thickness of described upper strata modified concrete layer and lower floor's modified concrete layer is 40-100mm.If upper strata modified concrete layer and lower floor's modified concrete layer are too thick, the thermal transmittance of walling will increase, and energy-saving effect reduces; If upper strata modified concrete layer and lower floor's modified concrete layer are too thin, then do not reach the building requirement of strength.
Described modified concrete, wherein cement: sand: rubble: the volume ratio of foam beads is 1: 1.5-2: 2-2.4: 0.6, and weight ratio is: 1: 1.5-2: 2-2.4: 0.003-0.008, can mix Admixture and flyash simultaneously, intensity can reach more than the C20.
Described foam beads is haydite or polyphenyl expanded beads.Adding foam beads mainly is to reduce concrete coefficient of thermal conductivity.The addition of foam beads can not be too big, and too conference makes concrete intensity not reach requirement.
Described frame reinforced concrete beam horizontal direction is stretched out vertical direction edge 200-300mm, uses with frame column is whole and waters or establish pre-buried steel part on the frame reinforced concrete beam of vertical direction, is used for and the post welding of having watered.
A plurality of connecting holes that evenly distribute on the described sandwich thermal insulation board, the connecting hole pore size can be adjusted as required, is used for guaranteeing the integral rigidity of whole walling, guarantees to produce, transportation, intact when installing.
The preparation method of described composite type modified steel reinforced concrete self-insulating wall material, comprise: size by drawing prepares framed, put into lower floor's reinforced mesh and frame reinforcing bar, preheating embedding line then, put into hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer, put into the intermediate layer sandwich thermal insulation board, in the tie point hole, put into connecting reinforcement, put into the top mat sheet, build upper strata modification coagulating layer soil layer, maintenance is removed framedly, makes composite type modified steel reinforced concrete self-insulating wall material.
The obtained beneficial effect of the present invention is:
(1) composite type modified steel reinforced concrete self-insulating wall material of the present invention adopts the reinforced concrete beam of four limits for sealing, no disaster hidden-trouble, and guaranteed the integral rigidity of walling.
(2) composite type modified steel reinforced concrete self-insulating wall material of the present invention, on-the-spot easy for installation, can water or weld with frame column is whole again by first wall plate with the post that has watered.
(3) composite type modified steel reinforced concrete self-insulating wall material of the present invention, employing be the mode of evenly arranging a plurality of tie points, can reduce the heat transfer of steel concrete rib in the walling, guarantee the integral rigidity of walling simultaneously.
(4) composite type modified steel reinforced concrete self-insulating wall material of the present invention has adopted the sandwich thermal insulated sheet material in intermediate layer, in insulation, has reduced the overall weight of walling, makes it easy for installation.
(5) composite type modified steel reinforced concrete self-insulating wall material of the present invention has adopted modified concrete, thus with the coefficient of thermal conductivity of steel concrete by existing 1.74W/ (m.K), reduce to below the 1.4W/ (m.K).
(6) composite type modified steel reinforced concrete self-insulating wall material of the present invention must not whitewash, and can arrange good concreting again to exposed wall facing brick earlier when making, and facing and wallboard are made and once finished; Concrete size can be adjusted flexibly; Also can make energy-conservation floor uses.
Description of drawings:
Fig. 1 is the structural representation of composite type modified steel reinforced concrete self-insulating wall material of the present invention under the situation of Wu Qiang hole;
Fig. 2 is the shown in Figure 1 walling structural representation along the A-A face;
Fig. 3 is the shown in Figure 1 walling TV structure schematic diagram along the B-B face;
Fig. 4 is that composite type modified steel reinforced concrete self-insulating wall material of the present invention is at the structural scheme of mechanism that has under the situation of wall hole;
Fig. 5 is the schematic perspective view of lower floor's reinforced mesh among the present invention;
Fig. 6 is lower floor's reinforced mesh shown in Figure 5 schematic diagram along the C-C direction;
Fig. 7 is the present invention's schematic perspective view of reinforced mesh at the middle and upper levels;
Fig. 8 is a top mat sheet shown in Figure 7 schematic diagram along the D-D direction;
Fig. 9 is the schematic perspective view of frame reinforcing bar among the present invention;
Figure 10 is lower floor's reinforced mesh and top mat sheet syndeton schematic diagram among the present invention.
The specific embodiment
By drawing size prepares 3600mm * 2800mm * 240mm frame on pedestal; put into the lower floor's reinforced mesh and the frame reinforcing bar that have the crotch that can hold the frame reinforcing bar; frame reinforcing bar horizontal direction is stretched out vertical direction edge 300mm; complete and carry out the topping spacer in advance; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer (60mm), put into intermediate layer sandwich thermal insulation board (120mm), evenly being provided with 8 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into the top mat sheet, build upper strata modified concrete layer at last, maintenance, molding are dispatched from the factory and are made 3600mm * 2800mm * 240mm composite type modified steel reinforced concrete self-insulating wall material.Its structural representation of the composite type modified steel reinforced concrete self-insulating wall material for preparing as shown in Figure 1, along the structural representation of the A-A face among Fig. 1 as shown in Figure 2, it is provided with top mat sheet 2 in modified concrete layer 5 at the middle and upper levels, be provided with lower floor's reinforced mesh 1 in lower floor's modified concrete layer 4, upper strata modified concrete layer 5, intermediate layer sandwich thermal insulation board 3 and lower floor's modified concrete layer 4 fuse by the modified steel reinforced concrete that forms in the connecting hole 6, wherein the frame reinforced concrete beam that is provided with the sealing of being made up of frame reinforcing bar 7 and the modified concrete of building all around of top mat sheet 2 and lower floor's reinforced mesh 1; Hoisting ring 8 is connected with vertical frame reinforcing bar.Composite type modified steel reinforced concrete whole energy self-insulating wall material along the structural representation of B-B face among Fig. 1 as shown in Figure 3.The frame reinforcing bar is made up of 16 main muscle as shown in Figure 9, and wherein the reinforcing bar on the horizontal direction stretches out vertical direction reinforcing bar 200-300mm.The lower floor's reinforced mesh 1 that has a crotch 10 that can hold the frame reinforcing bar as shown in Figure 5, among Fig. 5 along the schematic diagram of C-C direction as shown in Figure 6, the top mat chip architecture as shown in Figure 7, among Fig. 7 along the schematic diagram of D-D direction shown in 8, lower floor's reinforced mesh 1 and top mat sheet 2 connected modes are as shown in figure 10.
Embodiment 2:
By drawing size prepares 3600mm * 2800mm * 240mm frame on pedestal; put into and leave window opening (lower floor's reinforced mesh that has the crotch that can hold the frame reinforcing bar and the frame reinforcing bar of 1500mm * 1500mm); frame reinforcing bar horizontal direction is stretched out vertical direction edge 300mm; complete ready-made in advance topping spacer; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer (60mm), put into intermediate layer sandwich thermal insulation board (120mm), evenly being provided with 7 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into upper strata top mat sheet, build upper strata modified concrete layer (60mm) at last, maintenance, molding is dispatched from the factory and is made 3600mm * 2800mm * 240mm composite type modified steel reinforced concrete self-insulating wall material, structure as shown in Figure 4, wherein 9 is window opening, all the other structures of body of wall are with embodiment 1.
Embodiment 3:
By drawing size prepares 3600mm * 2800mm * 200mm frame on pedestal; put into the lower floor's reinforced mesh and the frame reinforcing bar that have the crotch that can hold the frame reinforcing bar, set pre-buried steel part, complete ready-made in advance topping spacer; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer (60mm), put into intermediate layer sandwich thermal insulation board (80mm), evenly being provided with 8 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into the top mat sheet, build upper strata modified concrete layer (60mm) at last, maintenance, molding are dispatched from the factory and are made the composite type modified steel reinforced concrete self-insulating wall material that 3600mm * 2800mm * 200mm has pre-buried steel part, and all the other wall body structures are with embodiment 1.
Embodiment 4:
By drawing size prepares 3600mm * 2800mm * 200mm frame on pedestal; put into and leave window opening (lower floor's reinforced mesh that has the crotch that can hold the frame reinforcing bar and the frame reinforcing bar of 1500mm * 1500mm); set pre-embedded steel slab; complete ready-made in advance topping spacer; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer (60mm), put into intermediate layer sandwich thermal insulation board (80mm), evenly being provided with 7 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into the top mat sheet, build upper strata modified concrete layer (60mm) at last, maintenance, molding are dispatched from the factory and are made the composite type modified steel reinforced concrete self-insulating wall material that 3600mm * 2800mm * 200mm has pre-buried steel part, and all the other wall body structures are with embodiment 2.
Embodiment 5:
By drawing size prepares 3600mm * 2800mm * 180mm frame on pedestal; put into the lower floor's reinforced mesh and the frame reinforcing bar that have the crotch that can hold the frame reinforcing bar; frame reinforcing bar horizontal direction is stretched out vertical direction edge 300mm; complete ready-made in advance topping spacer; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete, put into intermediate layer sandwich thermal insulation board (60mm), evenly being provided with 8 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into the top mat sheet, build upper strata modified concrete layer (60mm) at last, maintenance, molding are dispatched from the factory and are made 3600mm * 2800mm * 180mm composite type modified steel reinforced concrete self-insulating wall material, and wall body structure is with embodiment 1.
Embodiment 6:
By drawing size prepares 3600mm * 2800mm * 180mm frame on pedestal; put into and leave window opening (lower floor's reinforced mesh and the frame reinforcing bar of 1500mm * 1500mm); frame reinforcing bar horizontal direction is stretched out vertical direction edge 300mm; complete ready-made in advance topping spacer; preheating embedding line is put into then
Hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer (60mm), put into intermediate layer sandwich thermal insulation board (60mm), evenly being provided with 7 apertures on the sandwich thermal insulation board in advance is the 100mm connecting hole, before the lower-layer concrete initial set, in the tie point hole, put into the connecting reinforcement between the upper and lower plates, put into the top mat sheet, build upper strata modified concrete layer (60mm) at last, maintenance, molding are dispatched from the factory and are made 3600mm * 2800mm * 180mm composite type modified steel reinforced concrete self-insulating wall material, and wall body structure is with embodiment 2.
According to the walling that embodiment 1-6 makes, its correlated performance parameter such as following table:
Table 1: technical indicator
Claims (8)
1. composite type modified steel reinforced concrete self-insulating wall material, comprise upper strata modified concrete layer, lower floor's modified concrete layer and intermediate layer sandwich thermal insulation board, it is characterized in that, be provided with the top mat sheet in the modified concrete layer of described upper strata, be provided with lower floor's reinforced mesh in lower floor's modified concrete layer; The intermediate layer sandwich thermal insulation board is provided with connecting hole, is installed with reinforcing bar in the connecting hole; Upper strata modified concrete layer, intermediate layer sandwich thermal insulation board and lower floor's modified concrete layer fuse by the modified steel reinforced concrete that forms in the connecting hole; Be provided with the frame reinforced concrete beam of the sealing of being made up of frame reinforcing bar and the modified concrete of building around lower floor's reinforced mesh and the top mat sheet, frame reinforced concrete beam one side is equipped with hoisting ring.
2. composite type modified steel reinforced concrete self-insulating wall material according to claim 1 is characterized in that, described lower floor reinforced mesh has the crotch that can hold the frame reinforcing bar.
3. composite type modified steel reinforced concrete self-insulating wall material according to claim 1 is characterized in that, the sandwich thermal insulated plate thickness 40-180mm in described intermediate layer.
4. composite type modified steel reinforced concrete self-insulating wall material according to claim 1 is characterized in that, the thickness of described upper strata modified concrete layer and lower floor's modified concrete layer is 40-100mm.
5. composite type modified steel reinforced concrete self-insulating wall material according to claim 1 is characterized in that, the connecting hole on the sandwich thermal insulation board of described intermediate layer evenly distributes.
6. composite type modified steel reinforced concrete self-insulating wall material according to claim 1 is characterized in that, cement in the described modified concrete: sand: rubble: the foam beads weight ratio is: 1: 1.5-2: 2-2.4: 0.003-0.008.
7. composite type modified steel reinforced concrete self-insulating wall material according to claim 1, it is characterized in that, described frame reinforced concrete beam horizontal direction is stretched out vertical direction edge 200-300mm, or establishes pre-buried steel part on the frame reinforced concrete beam of vertical direction.
8. the preparation method of composite type modified steel reinforced concrete self-insulating wall material according to claim 1, comprise: size by drawing prepares framed, put into lower floor's reinforced mesh and frame reinforcing bar, preheating embedding line then, put into hoisting ring, hoisting ring is connected with the frame reinforcing bar, build lower floor's modified concrete layer, put into the intermediate layer sandwich thermal insulation board, in the tie point hole, put into connecting reinforcement, put into the top mat sheet, build upper strata modified concrete layer, maintenance is removed framedly, makes composite type modified steel reinforced concrete self-insulating wall material.
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| CN102900162A (en) * | 2011-07-26 | 2013-01-30 | 闫丕春 | Heat-insulation fireproof integral wallboard and manufacturing method thereof |
| CN104831849A (en) * | 2015-03-10 | 2015-08-12 | 成都科创佳思科技有限公司 | Reinforcing steel bar grid frame structure |
| CN105525705A (en) * | 2016-01-06 | 2016-04-27 | 河南佳联新型建材有限公司 | External wall insulation sandwiched casing mold fireproof wallboard for building wall |
| CN106284740A (en) * | 2016-08-17 | 2017-01-04 | 沈阳建筑大学 | Air entrained concrete board for wood frame and processing method thereof |
| NL1042196B1 (en) * | 2016-12-23 | 2018-07-02 | Crobidor B V | Method for insulating a facade of a building |
| CN108442580A (en) * | 2018-04-25 | 2018-08-24 | 重庆佳良建筑设计咨询有限公司 | A kind of assembled haydite concrete Sandwich composite external wallboard and preparation method thereof |
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| CN109989505A (en) * | 2019-04-04 | 2019-07-09 | 河南绿建建筑科技有限公司 | Steel concrete composite thermal insulation combined wall |
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| CN112392188A (en) * | 2020-11-25 | 2021-02-23 | 浙江中辰建筑科技有限公司 | Construction steel bar welding net piece subassembly and floor structure |
| CN112392188B (en) * | 2020-11-25 | 2024-06-18 | 浙江中天建筑产业化有限公司 | Construction steel bar welding net piece subassembly and floor structure |
| CN113323217A (en) * | 2021-06-02 | 2021-08-31 | 湖南省建筑设计院集团有限公司 | Prefabricated sandwich laminated slab |
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