CN206625446U - Half built-in precast concrete sandwich heat preservation wallboard and its assembly system - Google Patents
Half built-in precast concrete sandwich heat preservation wallboard and its assembly system Download PDFInfo
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- CN206625446U CN206625446U CN201720099289.6U CN201720099289U CN206625446U CN 206625446 U CN206625446 U CN 206625446U CN 201720099289 U CN201720099289 U CN 201720099289U CN 206625446 U CN206625446 U CN 206625446U
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 38
- 238000004321 preservation Methods 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 135
- 239000010959 steel Substances 0.000 claims abstract description 135
- 238000009413 insulation Methods 0.000 claims abstract description 53
- 239000012774 insulation material Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005452 bending Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 22
- 230000003014 reinforcing effect Effects 0.000 description 17
- 241000207965 Acanthaceae Species 0.000 description 9
- 239000004567 concrete Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model provides a kind of half built-in precast concrete sandwich heat preservation wallboard and its assembly system, by the longitudinal reinforcement being connected to the steel bar truss web bar of continuous bending form on the inside and outside impeller of heat-insulation wall plate, to solve the technical problem of attachment structure intensity deficiency between the both sides impeller of existing heat-insulation wall plate；In addition, half built-in wallboard of the present utility model can consider the self-characteristic of steel construction simultaneously by pre-embedded bolt technological means or to wearing bolt technological means and girder steel and floor assembly connection, and ensure the assembling structure intensity of wallboard and girder steel and floor.
Description
Technical Field
The utility model relates to a precast concrete with filling insulation wallboard technical field relates to a semi-embedded precast concrete with filling insulation wallboard structure itself and the wallboard assembly system who constitutes thereof particularly.
Background
At present, the most mature technology of the assembled enclosure wall body suitable for steel structure buildings is a curtain wall system and an autoclaved aerated concrete prefabricated batten wall body. The prefabricated concrete sandwich heat-insulation wall plate is widely applied to concrete structure buildings, is a building enclosure wall body assembly technology with great development potential, but is difficult to be directly applied to the steel structure buildings in practice on the premise of considering various performance differences of a steel structure and a concrete structure and considering the problem of compatibility between different materials.
The steel structure enclosure wall technology should fully consider the self characteristics of the steel structure:
(1) the steel structure is an independent stress system and has light weight, and a non-bearing light wall body is adopted;
(2) the rigidity of the steel structure is poor, the interlayer deformation is large, and the wall body is in a flexible connection mode so as to adapt to the deformation of the main body structure;
(3) the problems of cold and hot bridges and acoustic bridges of a steel structure are outstanding, and the wall body has good heat preservation, heat insulation and sound insulation performance;
(4) the steel structure has poor fire resistance and corrosion resistance, and the wall body can be well protected;
(5) the prefabricated assembly degree of the steel structure is high, and the wall related technology should match with the prefabricated steel structure as much as possible.
Referring to fig. 1 to 3, which show cross sections and structural schematic views of a conventional wall panel, a conventional precast concrete sandwich thermal insulation wall panel 10 (hereinafter referred to as a thermal insulation wall panel 10) includes an outer leaf plate 11, an outer leaf reinforcement mesh 12, a thermal insulation material layer 13, an inner leaf plate 14, an inner leaf reinforcement mesh 15, and a steel truss, where the steel truss includes a steel truss web 16 penetrating through the outer leaf plate 11, the thermal insulation material layer 13, and the inner leaf plate 14, and the two ends of the steel truss web 16 are connected to the outer leaf reinforcement mesh 12 and the inner leaf reinforcement mesh 15, respectively, so as to form the conventional thermal insulation wall panel 10.
The construction method of the existing heat insulation wallboard 10 comprises the following steps: after the outer leaf reinforcing mesh 12 is positioned, the longitudinal bars of the outer leaf reinforcing mesh 12 are welded to the steel truss web 16, and concrete is poured outside the outer leaf reinforcing mesh 12 to form an outer leaf plate 11 structure (fig. 1) with the outer leaf reinforcing mesh 12 wrapped inside. Next, an insulating material layer 13 (fig. 2) in which the steel bar truss 16 is covered is formed by placing an insulating material (rock wool, glass wool, or the like) on one side surface of the outer blade 11 facing the steel bar truss web 16, or by placing foam concrete as an insulating material on one side surface of the outer blade 11 facing the steel bar truss web 16. Finally, after the inner leaf reinforcing mesh 15 is positioned, the longitudinal bars of the inner leaf reinforcing mesh 15 are welded to the web bars of the steel truss web 16, and concrete is poured outside the inner leaf reinforcing mesh 15 to form an inner leaf plate 14 structure (fig. 3) with the inner leaf reinforcing mesh 15 wrapped inside.
It should be noted that, as shown in fig. 3, the web ribs 16 of the steel bar truss of the existing thermal insulation wall panel 10 are disposed inside the thermal insulation wall panel 10 in a manner perpendicular to the surface of the outer blade 11 and the surface of the inner blade 14, that is, there is no other connecting structure between the outer blade 11 and the inner blade 14 and between the adjacent web ribs 16 of the steel bar truss, so that there is a structural weakness when the two blades are stressed. Furthermore, the concrete blades of the existing thermal insulation wall panels 10 generally adopt Fiber reinforced polymer/Plastic (FRP) or stainless steel connectors, and require special techniques to achieve connection, so that the requirements on construction techniques are relatively high, and the integrity of the thermal insulation wall panels 10 after construction is not ideal.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides a semi-embedded precast concrete sandwich thermal insulation wallboard and an assembly system thereof, which solves the technical problem of insufficient strength of the connection structure between the two side blades of the existing thermal insulation wallboard by connecting the steel bar truss web rib in the continuous bending form to the longitudinal reinforcing bars on the inner and outer blades of the thermal insulation wallboard; additionally, the utility model discloses a semi-embedded wallboard can consider the self characteristic of steel construction simultaneously through pre-buried bolt technical means and/or to wearing bolt technical means and girder steel and floor be assembled between/be connected between to guarantee the assembly structure intensity of wallboard and girder steel and floor.
In order to achieve the above object, the technical solution adopted by the present invention is to provide a semi-embedded precast concrete sandwich thermal insulation wallboard, which comprises an outer leaf plate with an outer leaf reinforcing mesh inside, an inner leaf plate with an inner leaf reinforcing mesh inside, and a thermal insulation material layer and a steel bar truss arranged between the outer leaf plate and the inner leaf plate; wherein: the wallboard is provided with a top and a bottom which are opposite, the top of the wallboard is retracted through the heat insulation material layer and the inner blade plate to form an installation gap, and the bottom of the wallboard is protruded through the inner blade plate to form a joint reserved space; the steel bar truss is of a plane steel bar truss structure and comprises truss web ribs which are continuously bent and penetrate through an outer leaf plate, a heat insulation material layer and an inner leaf plate which are overlapped according to the sequence, the truss web ribs are provided with web members which are obliquely arranged between the outer leaf plate and the inner leaf plate, the end connection parts of the web members form turning nodes distributed on two sides of the truss web ribs, and the truss web ribs are connected with the outer leaf steel bar net or the inner leaf steel bar net through the turning nodes on the same side.
The utility model discloses the further improvement of half embedded precast concrete with filling thermal insulation wallboard lies in, the outer lamina surface of wallboard is equipped with the finish coat.
The utility model also provides an assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard, which is used for assembling the semi-embedded precast concrete sandwich thermal insulation wallboard on a steel beam, wherein the steel beam comprises an upper wing plate, a lower wing plate and a web plate connected with the upper wing plate and the lower wing plate, and the end part of the floor plate is arranged on the upper wing plate of the steel beam; wherein the fitting system comprises: the wall plates are arranged between the end parts of the adjacent floor slabs and are embedded with the steel beams correspondingly through the installation gaps; the embedded connecting assembly is embedded at the bottom of the inner blade plate of the wallboard; the bolt connecting assembly is pre-embedded at the top of the outer blade plate of the wallboard and arranged corresponding to the mounting notch; the bottom of the wallboard is connected with and loaded on the floor slab through the embedded connection assembly; the top of the wallboard is fixedly connected with the web plate assembly of the steel beam through the bolt connecting assembly.
The assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard of the utility model is further improved in that the pre-buried connecting assembly comprises a steel plate, an embedded part and a fixed connecting piece, wherein the embedded part is fixed on the surface of the steel plate, and the steel plate is embedded in the inner leaf plate through the embedded part so as to be pre-buried at the bottom of the inner leaf plate; the steel plate is provided with a first side edge and a second side edge which are opposite, the first side edge does not exceed the inner surface of the inner blade plate, and the second side edge extends beyond the outer surface of the inner blade plate; the bottom of the wallboard is arranged on the floor slab, the steel plate is clamped between the inner leaf plate and the floor slab, and the fixed connection piece is fixedly connected with the steel plate and the floor slab through a second lateral edge penetrating through the steel plate.
The utility model discloses a further improvement of assembly system of half embedded precast concrete with filling heat preservation wallboard lies in, the rigid coupling spare is selected from penetrating nail or expansion bolts.
The assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard of the utility model is further improved in that a web plate of the steel beam is provided with a transverse long round hole; the bolt connecting assembly comprises a bolt, a nut, a gasket and a sliding sheet, wherein the bolt is connected with the top of the outer blade plate of the wallboard in a penetrating manner, and the gasket and the sliding sheet are sleeved outside the bolt and arranged between the nut and the outer blade plate; the mounting notches of the wallboard and the steel beam are embedded mutually, the inner face of the outer blade plate is arranged on the outer side edges of the upper wing plate and the lower wing plate of the steel beam in a leaning mode, the bolt of the bolt connecting assembly penetrates through the transverse long circular hole, and the sliding sheet is arranged between the gasket and the steel beam web plate to be matched with the nut and locked with the web plate.
The assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard of the utility model is further improved in that the bolt of the bolt connecting assembly is connected with the outer blade plate of the wallboard through a pre-embedding means or a counter-pulling penetrating means, wherein the bolt is pre-embedded inside the wallboard when the outer blade plate of the wallboard is formed by pouring by welding a steel plate at the end part; or the bolt penetrates through the outer blade plate, and nuts are arranged at two ends of the bolt for fastening so as to be oppositely arranged inside the outer blade plate in a pulling and penetrating manner.
The assembly system of the semi-embedded precast concrete sandwich heat-insulation wallboard of the utility model is further improved in that the bolts are arranged in the wallboard in a counter-pulling way; an evasion groove is reserved on the outer surface of the outer blade plate of the wallboard; the bolt penetrates into the dodging groove to penetrate through the wall plate, and the end part of the bolt facing the wall plate is locked with the nut and then contained in the dodging groove.
The assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard of the utility model is further improved in that the steel beam and the mounting gap of the wallboard are embedded with each other, and the outer side edges of the upper wing plate and the lower wing plate of the steel beam lean against the inner surface of the outer leaf plate; the wallboard and the top surface of the floor slab jointly form a lower joint of the wallboard through the joint reserved space of the wallboard; the top surface of the outer wing plate is formed into an inclined surface inclined from inside to outside, the height point of the inclined surface is lower than the top surface of the upper wing plate of the steel beam, and the inclined surface, the bottom surface of the floor slab and the outer side edge of the upper wing plate form an inverted trapezoidal joint together; the lower wing plate of the steel beam is positioned above the heat-insulating material layer and the top surface of the inner leaf plate and forms an upper joint of the wallboard together.
The assembly system of the semi-embedded precast concrete sandwich thermal insulation wallboard of the utility model is further improved in that the lower part seam, the inverted trapezoid seam and the upper part seam jointly form a horizontal seam between the wallboard, the steel beam and the floor slab, and a plugging structure is arranged in the horizontal seam; the lower joint is provided with a terminal formed by blocking the inner blade plate and an opening end facing the outer blade plate, the lower joint is sequentially provided with an airtight rubber strip, a polyethylene rod and building sealant from the terminal to the opening end, and the lower joint and the polyethylene rod are separated through the airtight rubber strip to form a pressure reduction bin; the inverted trapezoidal joint is provided with a terminal formed by blocking the end edge of an upper wing plate of the steel beam and an opening end facing an outer wing plate, a polyethylene rod and building sealant are sequentially arranged on the inverted trapezoidal joint from the terminal to the opening end, and a pressure reduction bin is formed by the terminal and the polyethylene rod at intervals; the upper seam is provided with a terminal formed by stopping the outer blade plate and an opening end facing the inner blade plate, caulking materials are arranged at the opening end of the upper seam, and refractory seam materials are filled between the caulking materials and the terminal.
The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:
(1) the utility model discloses outer hanging wallboard is through adopting the plane steel bar truss to connect between outer acanthus leaf and interior acanthus leaf, connects the vertical arrangement of reinforcement of inside and outside two acanthus leaves with the web reinforcement of buckling in succession promptly, can improve the wholeness of wall body, makes the common atress of inside and outside acanthus leaf, has the structural strength who makes the wallboard higher, the bigger technological effect of rigidity.
(2) The prefabricated concrete sandwich heat-insulation wallboard is only used as an enclosure structure and does not participate in the whole stress of the structure, and the weight of each layer of wallboard is born by the horizontal plate of the connecting piece and is not transferred downwards.
(3) The web of steel construction opens the slotted hole, and has the slide piece that reduces frictional force between bolt backing plate and the web, when guaranteeing that the steel construction takes place the layer and warp, the wallboard need not warp thereupon to avoid the wallboard crack scheduling problem that the structural deformation leads to.
(4) The horizontal joint position of the semi-embedded wallboard is arranged at the top of the floor slab, and the gap between the wall body and the lower wing plate of the steel beam is filled with a fireproof material with heat preservation and sound insulation effects, so that the heat preservation, heat insulation, sound insulation and fireproof performances of the heat preservation building are achieved.
(5) Through in the horizontal seam of wallboard, in form the decompression storehouse between the plugging material, can play the effect of avoiding capillary infiltration.
(6) Wallboard and steel construction adopt bolted connection, and the level of assemblization is high, and girder steel web and connecting piece riser trompil are great, the regulation of easy to assemble error.
(7) Adopt half embedded connection structure, it is indoor to reduce wallboard structure protrusion, improves space suitability.
(8) The utility model discloses the product integration of wallboard is higher, and spool etc. can be pre-buried, and window frame etc. can be pre-installed, and the integration can be realized to the heat preservation decoration.
(9) The utility model discloses the wallboard effectively improves the life of wallboard through aforementioned insulation material's setting, reaches the technical effect who realizes with the building with the life-span.
Drawings
Fig. 1 is a schematic elevation view of an outer blade manufacturing structure of a conventional thermal insulation wallboard.
Fig. 2 is a schematic elevation view of a manufacturing structure of an insulation material layer of a conventional insulation wallboard.
Fig. 3 is a schematic elevation view of an inner blade manufacturing structure of a conventional thermal insulation wallboard.
Figure 4 is the outer lamina manufacturing structure elevation schematic diagram of the precast concrete sandwich thermal insulation wallboard of the utility model.
Figure 5 is the utility model discloses precast concrete with filling insulation wall panel's insulation material layer makes structure elevation sketch map.
Figure 6 is the structure elevation sketch map is made to the interior lamina of precast concrete with filling insulation wall panel of the utility model.
Fig. 7 is the utility model discloses with the built-in means of bolt installation wallboard formed thermal insulation wall board and the elevation structure sketch map of girder steel and floor.
Fig. 8 is the utility model discloses with the bolt to drawing the facade structure sketch map of putting the heat preservation wallboard that the means installation wallboard formed and girder steel and floor to wearing.
Fig. 9 is an enlarged schematic view of a part of the structure inside the dotted circle in fig. 7 and 8 according to the present invention.
Fig. 10 is a schematic side view of the structure of fig. 9 according to the present invention.
Fig. 11 is a schematic plan view of the cross-section line 1-1 in fig. 7 and 8 according to the present invention.
Fig. 12 is a schematic plan view of the cross-section 2-2 of fig. 7 according to the present invention.
Fig. 13 is a schematic plan view of the cross-section 2-2 of fig. 8 according to the present invention.
The correspondence of reference numerals to components is as follows:
background art:
a heat-insulating wall panel 10; an outer leaf plate 11; an outer leaf reinforcement mesh 12; a thermal insulation material layer 13; an inner leaf plate 14; an inner leaf reinforcement mesh 15; a steel truss web 16.
The utility model discloses:
a steel beam A; upper wing panel a 1; the lower wing plate a 2; web a 3; a transverse oblong hole a 4; a floor slab B; a wall panel 20; an outer leaf plate 21; a bevel 211; an outer leaf reinforcement mesh 22; longitudinal reinforcing steel bars 221; transverse reinforcement bars 222; a thermal insulation material layer 23; the inner leaf plates 24; inner leaf reinforcing mesh 25; longitudinal rebars 251; transverse reinforcement bars 252; truss web ribs 26; a web 261; a turning node 262; a finishing layer 27; embedding a connecting assembly 30; a steel plate 31; an embedded portion 32; a fixing member 33; a bolt connecting assembly 40; a bolt 41; a nut 42; a spacer 43; a steel plate 44; a slide 45; an occluding structure 50; an airtight rubber strip 51; a polyethylene rod 52; building sealant 53; a reduced-pressure bin 54; caulking material 55; refractory joint material 56.
Detailed Description
To facilitate understanding of the present invention, the following description is made with reference to fig. 4 to 13 of the drawings and the embodiments.
The utility model provides a half embedded precast concrete with filling heat preservation wallboard and assembly system thereof.
Please refer to fig. 4 to 6, which illustrate the structure of the thermal insulation wall panel of the present invention, wherein the wall panel 20 mainly includes an outer leaf plate 21, a thermal insulation material layer 23 and an outer leaf reinforcing mesh 22, the outer leaf reinforcing mesh 22 is disposed inside the outer leaf plate 21, the inner leaf reinforcing mesh 25 is disposed inside the inner leaf plate 24, the thermal insulation material layer 23 is disposed between the outer leaf plate 21 and the inner leaf plate 24, and a steel bar truss is disposed between the outer leaf plate 21 and the inner leaf plate 24; the steel bar truss is a planar steel bar truss structure, and comprises a truss web 26 which is continuously bent and penetrates through the outer leaf plate 21, the heat insulating material layer 23 and the inner leaf plate 24 which are sequentially overlapped, wherein the truss web 26 is composed of web members 261 which are obliquely arranged between the outer leaf plate 21 and the inner leaf plate 24, the end connection parts of the web members 261 form turning nodes 262 which are distributed on two sides of the truss web 26, and the truss web 26 is connected with the outer leaf reinforcing mesh 22 or the inner leaf reinforcing mesh 25 through the turning nodes 262 on the same side. In addition, as shown in fig. 6, the wall plate 20 has opposite top and bottom, the top of the wall plate 20 is retracted by the thermal insulation material layer 23 and the inner blade 24 to form an installation gap 201, and the bottom of the wall plate 20 is protruded by the inner blade 24 to form a joint space 202.
In the utility model discloses in, wallboard 20 can be made through the process of pouring one of them acanthus leaf, forming insulation material layer, pouring another acanthus leaf, perhaps, works as when the insulation material layer is solid state material, do and make through the process of pouring one of them acanthus leaf, pouring another acanthus leaf, filling insulation material to between the acanthus leaf.
Please see the elevation views of fig. 7 and 8 in conjunction with the plan views of fig. 11 to 13, the present invention provides an assembly system for a semi-embedded precast concrete sandwich thermal insulation wall panel, which is used to assemble the semi-embedded precast concrete sandwich thermal insulation wall panel 20 on a steel beam a and a floor B. The assembly system comprises the wall board 20, a pre-buried connecting assembly 30 for fixing the bottom of the wall board 20 and a floor slab B, and a web A3 fixing bolt connecting assembly 40 for fixing the top of the wall board 20 and a steel beam A.
Wherein, the utility model discloses a wallboard 20 can be through the pre-buried means of bolt as shown in fig. 7, fig. 12, perhaps, through putting the means to drawing the bolt as shown in fig. 8, fig. 13, reaches the purpose of assembling wallboard 20 and girder steel A's web A3. The steel beam A comprises an upper wing plate A1, a lower wing plate A2 and a web plate A3 connected in the upper wing plate A1; the end of the floor slab B is arranged on the upper wing plate A1 of the steel beam A.
Specifically, as shown in fig. 7 and 8, the wall plate 20 is disposed between the ends of adjacent floor slabs B, and the installation gap 201 is embedded in the steel beam a; the embedded connecting assembly 30 is embedded at the bottom of the inner blade plate 24 of the wallboard 20; the bolt connecting assembly 50 is pre-embedded at the top of the outer blade plate 21 of the wallboard 20 and is arranged corresponding to the installation notch 201; the bottom of the wallboard 20 is connected with and loaded on the floor slab B through the embedded connection assembly 30; the top of the wall plate 20 is fixed to the web a3 of the steel beam a by the bolt connection assembly 40.
The concrete combination structure of the wall panel 20 assembled with the steel beam a and the floor B through the pre-embedded connection assembly 30 and the bolt connection assembly 40 will be described below. Since the above-described coupling structure is the same as that in fig. 7 and 8, only fig. 7 will be described below.
As shown in fig. 7 and 11, the embedded connection assembly 30 includes a steel plate 31, an embedded portion 32 and a fixing member 33, the embedded portion 32 is fixed on the surface of the steel plate 31, and the steel plate 31 is embedded inside the inner blade 24 through the embedded portion 32 to be embedded in the bottom of the inner blade 24; the steel plate 31 has a first side edge and a second side edge which are opposite, the first side edge does not exceed the inner surface of the inner blade plate 24, and the second side edge extends beyond the outer surface of the inner blade plate 24; the bottom of the wall plate 20 is arranged on the floor B, the steel plate 31 is clamped between the inner leaf plate 24 and the floor B, and the fixing member 33 is fixedly connected with the steel plate 31 and the floor B through a second lateral edge penetrating through the steel plate 31. In this embodiment, the fastening member 33 can be selected from a nail or an expansion bolt.
As shown in fig. 7, 12 and 13, the bolt connection assembly 40 includes a bolt 41, a nut 42, a washer 43 and a sliding plate 45, the bolt 41 is connected to the top of the outer blade 21 of the wall panel 20, and the washer 43 and the sliding plate 45 are sleeved outside the bolt 41 and between the nut 42 and the outer blade 21; a web A3 of the steel beam A is provided with a transverse oblong hole A4;
therefore, the installation notch 201 of the wall plate 20 and the steel beam a are embedded with each other, the inner surface of the outer blade plate 21 is abutted against the outer side edges of the upper blade plate a1 and the lower blade plate a2 of the steel beam a, the bolt 41 of the bolt connection assembly 40 penetrates through the transverse oblong hole a4, and the sliding sheet 45 is arranged between the gasket 43 and the web plate A3 of the steel beam a to match the nut 42 and the web plate A3 to be locked. Here, the transverse oblong hole a4 is matched with the sliding sheet 45 arranged between the gasket 43 and the web A3, so that the function of reducing friction force can be achieved, and when the steel structure deforms between layers, the wallboard 20 does not need to deform along with the deformation, and the problems of wallboard cracks and the like caused by structural deformation are avoided.
In the present invention, in order to improve the fastening structural strength of the bolt connection assembly 40, a gasket 43 is preferably disposed between the nut 42 and the web a3, and the number of the nuts 42 is two, so as to improve the fastening effect and avoid the influence of loosening of the nuts 42 on the structural stability; wherein, the outer diameters of the gasket 43 and the nut 42 are larger than the width of the transverse oblong hole A4.
Furthermore, as shown in fig. 7, when the bolt 41 of the bolt connection assembly 40 is inserted into and connected with the outer blade 21 of the wall panel 20 by using an embedding means, the end of the bolt 41 is welded with a steel plate 44, so as to be embedded into the wall panel 20 when the outer blade 21 of the wall panel 20 is formed by pouring. As shown in fig. 8, when the bolt 41 of the bolt connection assembly 40 is inserted into and connected with the wall panel 20 by using a counter-pull insertion means, the bolt 41 is entirely inserted through the outer blade 21 of the wall panel 20, and nuts 42 are provided at both ends for fastening so as to be inserted into the outer blade 21 in a counter-pull manner.
In addition, the exterior surface of the wall panel 20 may be provided with a facing layer 27. Therefore, when the opposite pulling and penetrating means is adopted, the evasion groove is reserved in the outer blade plate 21 of the wallboard 20 preferably during pouring, and is used for accommodating the nut 42 fastened at the end part of the bolt 41, so that the problem that the nut 42 protrudes out of the surface of the outer blade plate 21 to cause difficulty in subsequent construction of the finish coat 27 is avoided, and meanwhile, the smoothness of the finish coat 27 can be ensured; the evasion groove is formed after the bolt 41 is pulled through the wall plate 20.
As shown in fig. 7 and fig. 11 and fig. 12, the steel beam a and the installation notch 201 of the wall plate 20 are embedded into each other, and the outer edges of the upper wing plate a1 and the lower wing plate a2 of the steel beam a are abutted against the inner surface of the outer leaf plate 21; the wall plate 20 and the top surface of the floor slab B form a lower joint of the wall plate 20 together through the joint reserved space 202 of the wall plate; the top surface of the outer blade plate 21 is formed into an inclined surface 211 inclined from inside to outside, the height point of the inclined surface 211 is lower than the top surface of the upper wing plate A1 of the steel beam A, and the inclined surface 211, the bottom surface of the floor slab B and the outer side edge of the upper wing plate A1 form an inverted trapezoidal joint together; the lower panel a2 of the steel beam a is located above the top surfaces of the insulation 23 and the inner leaf 24 and together form the upper joint of the wall panel 20.
The lower part joint, the inverted trapezoid joint and the upper part joint together form a horizontal joint between the wallboard 20 and the steel beam A and the floor slab B, and a blocking structure 50 is arranged in the horizontal joint; the lower joint is provided with a terminal formed by blocking the inner blade plate 24 and an opening end facing the outer blade plate 21, the lower joint is sequentially provided with an airtight rubber strip 51, a polyethylene rod 52 and a building sealant 53 from the terminal to the opening end, and the lower joint is separated from the polyethylene rod 52 through the airtight rubber strip 51 to form a pressure reduction bin 54; the inverted trapezoidal joint is provided with a terminal formed by stopping the end edge of an upper wing plate A1 of a steel beam A and an opening end facing an outer leaf plate 21, a polyethylene rod 52 and a building sealant 53 are sequentially arranged on the inverted trapezoidal joint from the terminal to the opening end, and a pressure reduction bin 54 is formed between the terminal and the polyethylene rod 52 at intervals; the upper seam has a terminal end formed by stopping the outer blade 21 and an opening end facing the inner blade 24, and the upper seam is provided with a caulking material 55 at the opening end, and a refractory seam material 56 is filled between the caulking material 55 and the terminal end.
The above description explains the structure of the semi-embedded precast concrete sandwich thermal insulation wallboard and the assembly system thereof, and the following description refers to fig. 7 to fig. 13 again to explain the assembly method of the semi-embedded precast concrete sandwich thermal insulation wallboard. The method comprises the following steps:
providing the wall plate 20, wherein the bottom of the inner blade plate 24 of the wall plate 20 is preset with a pre-embedded connecting assembly 30, and the top of the outer blade plate 21 of the wall plate is preset with a bolt connecting assembly 40 facing the installation gap 201;
hoisting the wallboard 20 between an upper floor slab B and a lower floor slab B, and embedding the wallboard and the steel beam A through the installation notch 201;
connecting the bottom of the wallboard 20 through the embedded connection assembly 30 and loading the bottom of the wallboard on the top surface of the lower floor slab B;
the bolt connecting assembly 40 is inserted through the web a3 of the steel beam a and then fastened by locking to connect the top of the wall panel 20 with the steel beam a between the upper and lower floors B.
Specifically, the bolts 31 and 51 of the first and second bolt assemblies 30 and 50 may be inserted into and connected with the wall plate 20 by the pre-embedded means shown in fig. 7 and 8 or the counter-pulling insertion means shown in fig. 9 and 10.
To sum up, the utility model discloses half embedded precast concrete with filling thermal insulation wallboard and assembly system thereof through aforementioned technical scheme, reaches and improves the product integration degree, makes components such as spool etc. can be pre-buried, and members such as window frame (20 parts of wallboard promptly) can be installed in advance. Specifically, the installation notch 201 is formed at the top of the wallboard 20, so that the wallboard can be assembled with the steel beam A and the floor slab B in a half-embedded combined mode, the structure is prevented from protruding out of a room, and the space applicability is improved; in addition, the wallboard 20 of the utility model can realize the effects of integration of heat preservation and decoration, and the waterproof performance of the wallboard 20 is effectively improved under the combination of the waterproof structure and the waterproof material; furthermore, by providing a pressure reduction chamber at the horizontal joint between the wall panels 20, problems caused by capillary penetration can be avoided, and the service life of the wall panels 20 is ultimately increased. Further, the first bolt assembly 30 and the second bolt assembly 50 are used for assembling the wallboard 20 and the steel beam a, and the node structure formed by the first bolt assembly 30 and the second bolt assembly 50 can meet the steel structure deformation requirement.
The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. A semi-embedded precast concrete sandwich heat-insulating wall panel comprises an outer leaf plate, an inner leaf plate, a heat-insulating material layer and a steel bar truss, wherein the outer leaf plate is internally provided with an outer leaf steel bar mesh; the method is characterized in that:
the wallboard is provided with a top and a bottom which are opposite, the top of the wallboard is retracted through the heat insulation material layer and the inner blade plate to form an installation gap, and the bottom of the wallboard is protruded through the inner blade plate to form a joint reserved space;
the steel bar truss is of a plane steel bar truss structure and comprises truss web ribs which are continuously bent and penetrate through an outer leaf plate, a heat insulation material layer and an inner leaf plate which are overlapped according to the sequence, the truss web ribs are provided with web members which are obliquely arranged between the outer leaf plate and the inner leaf plate, the end connection parts of the web members form turning nodes distributed on two sides of the truss web ribs, and the truss web ribs are connected with the outer leaf steel bar net or the inner leaf steel bar net through the turning nodes on the same side.
2. The semi-embedded precast concrete sandwich thermal insulation wallboard of claim 1, characterized in that: the outer surface of the outer blade of the wallboard is provided with a decorative finish layer.
3. An assembly system of a semi-embedded precast concrete sandwich thermal insulation wallboard, which is used for assembling the semi-embedded precast concrete sandwich thermal insulation wallboard of claim 1 on a steel beam and a floor slab, wherein the steel beam comprises an upper wing plate, a lower wing plate and a web plate connected with the upper wing plate and the lower wing plate, and the end part of the floor slab is arranged on the upper wing plate of the steel beam; characterized in that said assembly system comprises:
the wall plates are arranged between the end parts of the adjacent floor slabs and are embedded with the steel beams correspondingly through the installation gaps;
the embedded connecting assembly is embedded at the bottom of the inner blade plate of the wallboard;
the bolt connecting assembly is pre-embedded at the top of the outer blade plate of the wallboard and arranged corresponding to the mounting notch;
the bottom of the wallboard is connected with and loaded on the floor slab through the embedded connection assembly; the top of the wallboard is fixedly connected with the web plate assembly of the steel beam through the bolt connecting assembly.
4. The assembly system of a semi-embedded precast concrete sandwich thermal wall panel of claim 3; the method is characterized in that:
the embedded connecting assembly comprises a steel plate, an embedded part and a fixedly connecting piece, wherein the embedded part is fixedly connected to the surface of the steel plate, and the steel plate is embedded in the inner blade plate through the embedded part so as to be embedded at the bottom of the inner blade plate; the steel plate is provided with a first side edge and a second side edge which are opposite, the first side edge does not exceed the inner surface of the inner blade plate, and the second side edge extends beyond the outer surface of the inner blade plate;
the bottom of the wallboard is arranged on the floor slab, the steel plate is clamped between the inner leaf plate and the floor slab, and the fixed connection piece is fixedly connected with the steel plate and the floor slab through a second lateral edge penetrating through the steel plate.
5. The assembly system of a semi-embedded precast concrete sandwich thermal insulation wallboard according to claim 4, characterized in that:
the fixing piece is selected from a shooting nail or an expansion bolt.
6. The assembly system of a semi-embedded precast concrete sandwich thermal insulation wallboard according to claim 3, characterized in that:
a web plate of the steel beam is provided with a transverse long round hole;
the bolt connecting assembly comprises a bolt, a nut, a gasket and a sliding sheet, wherein the bolt is connected with the top of the outer blade plate of the wallboard in a penetrating manner, and the gasket and the sliding sheet are sleeved outside the bolt and arranged between the nut and the outer blade plate;
the mounting notches of the wallboard and the steel beam are embedded mutually, the inner face of the outer blade plate is arranged on the outer side edges of the upper wing plate and the lower wing plate of the steel beam in a leaning mode, the bolt of the bolt connecting assembly penetrates through the transverse long circular hole, and the sliding sheet is arranged between the gasket and the steel beam web plate to be matched with the nut and locked with the web plate.
7. The assembly system of a semi-embedded precast concrete sandwich thermal insulation wallboard of claim 6, characterized in that:
the bolt of the bolt connecting component is connected with the outer blade plate of the wallboard through a pre-embedding means or a counter-pulling penetrating means, wherein,
the bolts are embedded in the wallboard when the outer blade plate of the wallboard is formed by pouring by welding steel plates at the end parts; or,
the bolts penetrate through the outer blade plate and are fastened by nuts arranged at two ends of the bolt so as to be oppositely pulled and arranged inside the outer blade plate.
8. The assembly system of a semi-embedded precast concrete sandwich thermal wall panel of claim 7, wherein:
the bolts are oppositely pulled and penetrated in the wallboard;
an evasion groove is reserved on the outer surface of the outer blade plate of the wallboard;
the bolt penetrates into the dodging groove to penetrate through the wall plate, and the end part of the bolt facing the wall plate is locked with the nut and then contained in the dodging groove.
9. The assembly system of semi-embedded precast concrete filled insulation wall panels according to any one of claims 3 to 8, wherein:
the steel beam and the mounting notch of the wallboard are embedded with each other, and the outer side edges of the upper wing plate and the lower wing plate of the steel beam are leaned against the inner surface of the outer leaf plate;
the wallboard and the top surface of the floor slab jointly form a lower joint of the wallboard through the joint reserved space of the wallboard;
the top surface of the outer wing plate is formed into an inclined surface inclined from inside to outside, the height point of the inclined surface is lower than the top surface of the upper wing plate of the steel beam, and the inclined surface, the bottom surface of the floor slab and the outer side edge of the upper wing plate form an inverted trapezoidal joint together;
the lower wing plate of the steel beam is positioned above the heat-insulating material layer and the top surface of the inner leaf plate and forms an upper joint of the wallboard together.
10. The assembly system of a semi-embedded precast concrete sandwich thermal wall panel of claim 9, wherein:
the lower part joint, the inverted trapezoid joint and the upper part joint form a horizontal joint among the wallboard, the steel beam and the floor slab together, and a blocking structure is arranged in the horizontal joint; wherein,
the lower joint is provided with a terminal formed by blocking the inner blade plate and an opening end facing the outer blade plate, an airtight rubber strip, a polyethylene rod and building sealant are sequentially arranged on the lower joint from the terminal to the opening end, and the lower joint is separated from the polyethylene rod through the airtight rubber strip to form a pressure reduction bin;
the inverted trapezoidal joint is provided with a terminal formed by blocking the end edge of an upper wing plate of the steel beam and an opening end facing an outer wing plate, a polyethylene rod and building sealant are sequentially arranged on the inverted trapezoidal joint from the terminal to the opening end, and a pressure reduction bin is formed by the terminal and the polyethylene rod at intervals;
the upper seam is provided with a terminal formed by stopping the outer blade plate and an opening end facing the inner blade plate, caulking materials are arranged at the opening end of the upper seam, and refractory seam materials are filled between the caulking materials and the terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720099289.6U CN206625446U (en) | 2017-01-23 | 2017-01-23 | Half built-in precast concrete sandwich heat preservation wallboard and its assembly system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720099289.6U CN206625446U (en) | 2017-01-23 | 2017-01-23 | Half built-in precast concrete sandwich heat preservation wallboard and its assembly system |
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| CN206625446U true CN206625446U (en) | 2017-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894571A (en) * | 2017-01-23 | 2017-06-27 | 中国建筑第八工程局有限公司 | Half built-in precast concrete sandwich heat preservation wallboard and its assembly system and construction method |
| CN109339290A (en) * | 2018-11-30 | 2019-02-15 | 美好建筑装配科技有限公司 | It is a kind of for overlapped shear wall prefabricated components junction to drawing device |
| CN110424597A (en) * | 2019-08-20 | 2019-11-08 | 浙江大东吴建筑科技有限公司 | A kind of out-hung panel connection structure |
| CN111734047A (en) * | 2020-07-07 | 2020-10-02 | 三一筑工科技有限公司 | Prefabricated member of embedded line pipe and connection method thereof |
-
2017
- 2017-01-23 CN CN201720099289.6U patent/CN206625446U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894571A (en) * | 2017-01-23 | 2017-06-27 | 中国建筑第八工程局有限公司 | Half built-in precast concrete sandwich heat preservation wallboard and its assembly system and construction method |
| CN109339290A (en) * | 2018-11-30 | 2019-02-15 | 美好建筑装配科技有限公司 | It is a kind of for overlapped shear wall prefabricated components junction to drawing device |
| CN110424597A (en) * | 2019-08-20 | 2019-11-08 | 浙江大东吴建筑科技有限公司 | A kind of out-hung panel connection structure |
| CN111734047A (en) * | 2020-07-07 | 2020-10-02 | 三一筑工科技有限公司 | Prefabricated member of embedded line pipe and connection method thereof |
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