Dry blend composite heat insulation system
Technical Field
The utility model relates to a building energy conservation keeps warm technical field, concretely relates to dry blend compound incubation system.
Background
The technology of using the composite insulation board and the wall body to integrally pour and carry out wall body insulation construction to form the composite insulation system is widely popularized in the building industry in recent years. Anchor bolts which generally use plastics in the existing composite heat insulation system are connected and fixed as connecting pieces to composite heat insulation boards in the composite heat insulation system, the horizontal tension of the plastic anchor bolts can be effectively guaranteed, but the shearing force of the vertical direction brought by the dead weight of the composite heat insulation boards can not be well coped with, especially for high-rise buildings, the heat insulation boards arranged in the vertical direction are large in quantity, the gravity is large, a plastering layer is applied to the outer side of the heat insulation boards simultaneously, the facing layer is further increased in weight of the heat insulation boards, and the traditional plastic anchor bolts have broken potential safety hazards. In addition, when the concrete is poured after the composite insulation board is well supported and inserted into the anchor bolt, the falling concrete also has the potential risk of breaking the plastic anchor bolt, and the potential safety hazard that the insulation board falls off exists in the composite insulation system after the wall construction is completed.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model designs a dry blend composite heat preservation system with more stable connection, the concrete technical proposal is that,
the dry blend composite heat insulation system is by interior to exterior in proper order for cast-in-place concrete wall body, compound insulation board layer, wipe a screed-coat and finish coat to it connects to be equipped with steel and plastic co-casting anchor, steel is moulded co-casting anchor and is included plastic housing and steel nail core, steel is moulded co-casting anchor and is passed compound insulation board layer, and its front end is fixed in cast-in-place concrete wall body, compound insulation board layer is formed by the concatenation of compound insulation board, and every compound insulation board's downside all is equipped with the bracket, the front end of bracket is fixed in cast-in-place concrete wall body. The composite insulation board layer is connected and fixed by using the steel-plastic co-cast anchor bolt, the steel-plastic co-cast anchor bolt is added with the steel nail bolt core, the strength of the bolt body is increased, the anchor bolt can be effectively prevented from being broken in the using process, the stability and the safety of the composite insulation system are improved, meanwhile, the bracket is added to the lower side of the composite insulation board to bear the weight of the composite insulation board, and the overall safety of the composite insulation system is further improved.
Further, the bracket is wholly L-shaped, and comprises short bent parts and long insertion parts, wherein the bent parts are tightly attached to the outer side surface of the composite heat insulation plate layer, and multiple rows of barbs are arranged on two sides of the front end of each insertion part.
Further, the composite heat preservation plate layer is formed by splicing dry-mixed composite heat preservation plates, and the dry-mixed composite heat preservation plates are sequentially an inner anti-cracking layer, a heat preservation plate layer, a bonding layer and a fireproof structural layer from inside to outside. The inner anti-cracking layer is made of polymer mortar, wherein glass fiber gridding cloth is pressed, the insulation board layer can be selected from an XPS board, a GXPS board, an EPS board, a GEPS board or a PU board, the bonding layer is also made of polymer mortar, and the fireproof structure layer and the insulation board layer are bonded; the fireproof structural layer is formed by mixing A-level heat-preservation slurry dry mixture such as rubber powder particles, vitrified micro bubbles and the like.
Furthermore, the lateral surface of compound insulation board layer hugs closely one deck and strengthens the support net, it is fixed through steel-plastic co-casting anchor bolt to strengthen the support net, it is the concave-convex type dictyosome to strengthen the support net, strengthen the support net and bury in the screed-coat of wiping completely. The reinforcing support net is convenient for construction of the plastering leveling layer on the composite heat insulation board, and simultaneously enhances the integral strength of the plastering leveling layer.
Further, the plastic housing of steel-plastic co-casting anchor bolt includes shell and chassis, the steel nail bolt core runs through in whole shell, the outside of shell is equipped with multichannel anticreep pawl, the length that steel-plastic co-casting anchor bolt front end inserted in cast in situ concrete wall body is not less than 100 mm. To ensure that it has a sufficient connection depth.
Furthermore, a layer of glass fiber mesh cloth is pressed on the outer side surface of the plastering leveling layer. Prevent the cracking of the screeding layer.
Furthermore, an outer anti-cracking layer is arranged on the outer side of the fireproof structure layer of the dry-mixed composite insulation board. The outer anti-cracking layer is also made of polymer mortar, and a layer of glass fiber gridding cloth is pressed in the outer anti-cracking layer.
Further, the steel-plastic co-casting anchor bolt on the composite insulation board layer is arranged in a quincuncial pile manner, and the number of the steel-plastic co-casting anchor bolt in the height range of 20m away from the ground of the composite insulation system is not less than 6/m2The number of the steel-plastic co-casting anchor bolts within the height range of 20m to 60m is not less than 8/m2The number of the steel-plastic co-casting anchor bolts in the height range of more than 60m is not less than 10/m2。
Furthermore, the lower side of each composite insulation board is at least provided with two brackets. The bracket is guaranteed to give the insulation board enough bearing capacity.
Compared with the prior art, the dry blend composite heat preservation system designed by the patent of the utility model has the advantages that the steel-plastic co-casting anchor bolt is used as a connecting piece to connect and fix the composite heat preservation plate, the steel-plastic co-casting anchor bolt has the advantages of high strength and no breakage, the stability of the composite heat preservation system is effectively improved, meanwhile, the steel-plastic co-casting anchor bolt is convenient to arrange anti-falling barbs outside the shell, the plastic shell can keep the overall lower heat conductivity of the plastic shell, and the heat preservation effect of the composite heat preservation system is not influenced while the connection effect is ensured; in addition, the weight of the bracket auxiliary bearing plate body is arranged on the lower side of the composite heat insulation plate, and the overall safety of the composite heat insulation system is further improved.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of a dry mixture composite heat-insulating system
FIG. 2 is a schematic structural view of a steel-plastic co-cast anchor bolt
FIG. 3 is a schematic view of the structure of the bracket
FIG. 4 is a schematic structural view of a dry-mixed composite insulation board
FIG. 5 is a schematic view of the structural formula of embodiment 2 of the dry mixture composite heat-insulating system
Description of the reference numerals
In the figure, 1 composite heat-insulating board layer, 2 plastering leveling layer, 3 finishing layer, 4 steel-plastic co-casting anchor bolt, 5 brackets, 6 reinforcing support net, 7 cast-in-place concrete wall, 11 inner anti-cracking layer, 12 heat-insulating board layer, 13 bonding layer, 14 fireproof structural layer, 15 outer anti-cracking layer, 41 plastic shell, 42 steel nail core, 43 chassis, 44 bolt shell, 45 anti-falling inverted thorn, 51 bending part, 52 inserting part, 53 barb, 54 perforating hole
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, the utility model discloses a dry blend compound incubation system, it is by interior to outer rubber concrete wall 7, compound incubation sheet layer 1, wipe one's face screed-coat 2 and finish coat 3 in proper order to be equipped with steel and mould co-casting crab-bolt 4 and pass compound incubation sheet layer 1 and connect fixedly, the front end of steel-plastic co-casting crab-bolt 4 inserts and fixes in cast in situ concrete wall 7. The composite insulation board layer 1 is formed by splicing dry-mixed composite insulation boards, and a bracket 5 is arranged on the lower side of each dry-mixed composite insulation board.
As shown in fig. 4, the dry-mixed composite insulation board sequentially comprises an inner anti-cracking layer 11, an insulation board layer 12, a bonding layer 13, a fireproof structural layer 14 and an outer anti-cracking layer 15 from inside to outside. The inner anti-cracking layer 11 is made of polymer mortar with the thickness of 5mm, and a layer of glass fiber gridding cloth is pressed in the inner anti-cracking layer; the heat insulation plate layer is one of an XPS plate, a GXPS plate, an EPS plate, a GEPS plate or a PU plate, and the thickness of the heat insulation plate layer is 55 mm; the fireproof structural layer 14 is formed by A-level heat-preservation slurry dry mixtures such as rubber powder particles and vitrified micro bubbles, and the thickness is 40 mm; the fireproof structure layer 14 is connected with the heat-preservation plate layer 12 through a bonding layer 13 made of polymer mortar with the thickness of 3 mm; an outer anti-cracking layer 14 made of polymer mortar after 7mm is arranged on the outer side of the fireproof structure layer 14, and a layer of alkali-resistant glass fiber mesh fabric is pressed in the outer anti-cracking layer 14. The dry-mixed composite insulation board is a factory prefabricated product, the prefabricated size of the product is 1200x600mm, and the product is used for splicing composite insulation board layers in the dry-mixed composite insulation system.
Referring to fig. 2, the steel-plastic co-casting anchor bolt 4 is composed of a steel nail core 42 and a plastic shell 41 wrapped around the steel nail core, the plastic shell 41 includes a bottom plate 43 and a bolt shell 44, the steel nail core 42 penetrates through the bolt shell 44, and a plurality of anti-falling barbs 45 are arranged on the outer side of the bolt shell 44. The steel-plastic co-casting anchor bolt 4 penetrates through the composite heat-insulation board layer 1 from the outer side to be inserted into the cast-in-placeThe length of the concrete wall 7, the part of which front end is positioned in the cast-in-place concrete wall 7, is not less than 100 mm. In addition, the steel-plastic co-casting anchor bolts 4 are alternately arranged in a quincuncial pile manner on the composite heat-insulation board, and the number of the steel-plastic co-casting anchor bolts is not less than 6/m within the height range of 20m away from the ground of the building2The number of the steel-plastic co-casting anchor bolts within the height range of 20m to 60m is not less than 8/m2The number of the steel-plastic co-casting anchor bolts in the height range of more than 60m is not less than 10/m2。
Referring to fig. 3, the bracket 5 is L-shaped, and is made of metal, and includes two parts, namely a short bending part 51 and a long insertion part 52, and two sides of the front end of the insertion part 52 are respectively provided with a row of barbs 53, and at the same time, two through holes 54 are formed in the front end of the insertion part 52, in the composite thermal insulation system, the bending part 51 of the bracket 5 is tightly attached to the outer side of the composite thermal insulation slab layer 1, the front end of the insertion part 52 is inserted into and fixed in the cast-in-place concrete wall 7, and the through holes 54 and the barbs 53 play a role in reinforcing connection, so that the bracket 5 is ensured not to be separated from the cast-in. Bracket 5 inserts from the downside of composite insulation board, and the quantity of bracket 5 that every composite insulation board used is no less than 2.
The construction process flow of the dry mixture composite heat insulation system designed in the embodiment is as follows: the method comprises the steps of manufacturing a dry mixed material composite heat insulation board row board → an elastic line → cutting → installing steel and plastic co-casting anchor → binding reinforcing steel bars and cushion blocks → installing the dry mixed material composite heat insulation board → an installing bracket → installing an inner template and an outer template → installing embedded pipe pieces → installing a secondary rib → installing a main rib of the template → installing split bolts and brackets → adjusting a fixed template → pouring concrete → concrete curing → constructing an inner template, an outer template, a main rib, a secondary rib and brackets → plastering a leveling layer and a finishing layer.
Example 2
As shown in fig. 5, the utility model relates to a dry blend composite insulation system's the second kind of embodiment, embodiment 2 and embodiment 1's difference lie in that, embodiment 2's composite insulation system has pasted the one deck at composite insulation board layer 1's lateral surface and has strengthened the net 6 that holds in the palm, strengthens the concave and convex type dictyosome that holds in the palm net 6 adoption, and the dictyosome concave surface is hugged closely on composite insulation board layer 1 to it fixes to push down through steel-plastic co-casting crab-bolt 4's chassis 43. The reinforcing supporting net 6 is completely embedded in the plastering screed 2.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.