CN111636596A - Structure of wall with heat-insulating layer and construction method thereof - Google Patents
Structure of wall with heat-insulating layer and construction method thereof Download PDFInfo
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- CN111636596A CN111636596A CN201910876029.9A CN201910876029A CN111636596A CN 111636596 A CN111636596 A CN 111636596A CN 201910876029 A CN201910876029 A CN 201910876029A CN 111636596 A CN111636596 A CN 111636596A
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- concrete
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- heat
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 112
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 75
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Abstract
The invention discloses a structure of a wall with a heat-insulating layer and a construction method thereof, wherein the wall comprises the heat-insulating layer, concrete layers on two sides of the heat-insulating layer, reticular steel bars in the concrete layers, fixed inserted bars penetrating through the heat-insulating layer and strip-shaped concrete ribs; aiming at the inner wall with a thinner heat-insulating layer, a mode that the strip-shaped concrete rib grids are communicated with the heat-insulating layer is adopted, and the locking rib pieces are used for pulling and connecting the mesh-shaped reinforcing steel bars on the two sides of the heat-insulating layer in the rib grids, so that the effects of improving the overall shear resistance of the wall body and effectively dividing the stress units of the wall body are achieved, the concrete pouring speed and quality of the thinner structural layer of the composite shear wall are obviously improved, the stability and the bearing capacity of the structural layer are improved, and the cast-in-place composite shear wall can still be safely and reliably used and is more convenient under the requirement of the ultra-low energy consumption energy-saving standard.
Description
Technical Field
The invention relates to the technical field of house construction, in particular to a wall structure with an insulating layer and a construction method thereof.
Background
In the existing built-in heat-insulation cast-in-place concrete composite wall, the thickness of the outer concrete protective layer of the heat-insulation layer is about 50mm, concrete pouring is difficult during construction, common quality problems such as honeycomb pitted surface and the like are easily formed, and the composite wall is extremely unfavorable for later-stage impermeability, durability and the like of the wall. Moreover, with the improvement of energy-saving standards, building energy conservation can be developed to a near-zero energy consumption level of more than 95%. At that time, the distance between the concrete layers on the two sides of the heat-insulating layer reaches about 300mm, so that the thin structural layer can not form an integral composite wall with the main structural layer. Therefore, improving the overall stability and load-bearing capacity of the construction layer is also a problem that must be addressed.
As an indoor cast-in-place composite shear wall, the thermal insulation performance of the cast-in-place composite shear wall is insensitive to a heat bridge, but an indoor wall body is usually longer, displacement of the thermal insulation plate due to concrete lateral pressure is easy to generate during pouring, the concrete lateral pressure on two sides of the thermal insulation plate is balanced, and the integrity of the wall body is improved.
Disclosure of Invention
The invention aims to provide a wall structure with an insulating layer and a construction method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a wall structure with an insulating layer comprises the insulating layer, concrete layers on two sides of the insulating layer, reticular steel bars in the concrete layers, fixed joint bars penetrating through the insulating layer and strip-shaped concrete ribs, the banded concrete rib check is vertical and horizontal bilateral distribution, in the partial embedding heat preservation in the banded concrete rib check, the connection position of wall bodies such as sandwich wall body corner is provided with reinforced concrete or shaped steel structure concrete and makes and strengthen the framed post, U shaped steel bar welded mesh or vertical reinforcing bar are placed to banded concrete rib check inside, the heat preservation both sides are provided with concrete layer, concrete layer and structural connection one side are not less than the thickness of the concrete layer of opposite side, reinforcement or welding become netted, the position that lies in banded concrete rib check embedding on the heat preservation adopts the lower high performance insulation material of coefficient of heat, be provided with vertical shaped steel or reinforcing bar in the enhancement framed post of the crossing position of wall body.
As a further scheme of the invention: the depth of the strip-shaped concrete rib grids embedded into the heat insulation layer is 10mm-100mm, and the width of the strip-shaped concrete rib grids is 50mm-200 mm; the horizontal spacing is 600mm-2000mm, and the vertical spacing is 0-2000mm
As a still further scheme of the invention: the thickness of the cross section of the concrete layer is 30mm-200mm, the diameter of the reticular steel bars in the concrete layer is 2mm-10mm, and the distance is 50mm-200 mm.
As a still further scheme of the invention: the construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer, a reticular steel bar and a fixed joint bar;
s3: binding and installing the steel bars or section steel of the structural reinforced frame column, and binding the steel bars of other vertical stressed components;
s4: mounting a plate-type component;
s5: installing U-shaped steel bar welding nets or vertical steel bars in the vertical strip-shaped concrete rib grids embedded into the heat insulation layer;
s6: erecting a template at the outer side of the reticular steel bar according to the size of the wall body;
s7: concrete layers are poured on two sides of the heat insulation layer, and the template is removed after the conditions are met, so that the cast-in-place concrete sandwich wall with the strip rib grid type cast-in-place net rack is formed.
As a still further scheme of the invention: the strip concrete rib lattice penetrates through the heat preservation layer, locking rib pieces can be placed inside the strip concrete rib lattice, reinforced concrete or steel structure concrete built reinforcing frame columns are arranged at connecting positions of walls such as corners of the sandwich wall body, the concrete layer is welded with the net-shaped steel bars when the thickness of the concrete layer is not more than 80mm, the concrete layer can be welded with the net-shaped steel bars when the thickness of the concrete layer is more than 80mm, the concrete layer can also be directly anchored into the concrete layer, vertical steel sections or steel bars are arranged in the reinforcing frame columns at the intersecting positions of the walls, and therefore a steel concrete structure or a concrete shear wall structure is formed with the wall body.
As a still further scheme of the invention: the cross-sectional area of the locking rib piece is 20-100mm 2U-shaped steel or steel bar, the end part of the locking rib piece is provided with a limiting hook clamped on the outer side of the mesh steel bar, and the distance between the locking rib pieces is 100-500 mm.
As a still further scheme of the invention: the fixed joint bars penetrate through the heat-insulating layer and are fixedly connected with the concrete layers on the two sides, the diameter of the fixed joint bars is 1.8-6mm, and the density of the fixed joint bars is 20-220 per square meter.
As a still further scheme of the invention: the construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer, a reticular steel bar and a fixed joint bar;
s3: binding and installing the steel bars or section steel of the structural reinforced frame column, and binding the steel bars of other vertical stressed components;
s4: mounting a plate-type component;
s5: installing locking rib members in the strip-shaped concrete rib grids penetrating through the heat insulation layer;
s6: erecting a template at the outer side of the reticular steel bar according to the size of the wall body;
s7: concrete layers are poured on two sides of the heat insulation layer, and the template is removed after the conditions are met, so that the cast-in-place concrete sandwich wall with the strip rib grid type cast-in-place net rack is formed.
Compared with the prior art, the invention has the beneficial effects that:
1. aiming at the outer wall with a thicker heat-insulating layer, the mode that the strip-shaped concrete ribs are embedded into the heat-insulating layer is adopted, so that the requirement of condensation checking calculation in wall energy conservation can be met; aiming at an inner wall with a thin heat-insulating layer, a mode that strip-shaped concrete rib grids penetrate through the heat-insulating layer is adopted, and locking rib pieces are used in the rib grids to tie the net-shaped reinforcing steel bars on the two sides of the heat-insulating layer, so that the effects of improving the overall shearing resistance of the wall and effectively dividing stress units of the wall are achieved;
2. the concrete pouring speed and quality of the thin structural layer of the composite shear wall are obviously improved, the stability and bearing capacity of the structural layer are improved, and the cast-in-place composite shear wall can still be safely and reliably used and is more convenient and faster under the requirement of the ultra-low energy consumption energy-saving standard that the heat insulation layer is very thick.
Drawings
Fig. 1 is a schematic structural view of a first embodiment in the construction of a wall body with an insulating layer and a construction method thereof.
Fig. 2 is a schematic structural view of a second embodiment in the construction of a wall body with an insulating layer and a construction method thereof.
Shown in the figure: heat preservation 1, concrete layer 2, netted reinforcing bar 3, fixed joint bar 4, banded concrete rib check 5, locking rib spare 6 and enhancement frame post 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a wall structure with an insulating layer and a construction method thereof includes an insulating layer 1, a concrete layer 2, a mesh reinforcement 3, a fixing insert 4, a strip-shaped concrete rib 5, a locking rib 6, and a reinforcing frame column 7.
Example one
The strip-shaped concrete rib grids 5 are distributed in a vertical and transverse two-way mode, the strip-shaped concrete rib grids 5 are partially embedded into the heat insulation layer 1, reinforced concrete or steel structure concrete reinforcing frame columns 7 are arranged at the connecting parts of the wall body such as the corners of the sandwich wall body, the depth of the strip-shaped concrete rib grids 5 embedded into the heat insulation layer 1 is 10mm-100mm, and the width of the strip-shaped concrete rib grids 5 is 50mm-200 mm; the horizontal spacing is 600mm-2000mm, the vertical spacing is 0-2000mm, U-shaped steel bar welding nets or vertical reinforcing steel bars are placed inside the strip-shaped concrete rib grids 5, the bearing capacity is improved, concrete layers 2 are arranged on two sides of the heat preservation layer 1, the thickness of the concrete layer 2 and the concrete layer 2 on one side of structural connection is not smaller than that of the other side, the section thickness of the concrete layer 2 is 30mm-200mm, the diameter of the net-shaped steel bars in the concrete layer is 2mm-10mm, the spacing is 50mm-200mm, the steel bars can be bound or welded into a net shape, high-performance heat preservation materials with lower heat conductivity coefficients are adopted at the positions, embedded into the strip-shaped concrete rib grids 5, of the heat preservation layer 1, the overall heat preservation and heat insulation performance of the wall body are guaranteed, vertical section steel or steel bars are arranged in the reinforcing frame columns 7 at the intersection positions of the wall body.
The construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer 1, a reticular steel bar 3 and a fixed joint bar 4;
s3: binding and installing steel bars or section steel of a structural reinforcing frame column 7, and binding steel bars of other vertical stress members;
s4: mounting a plate-type component;
s5: installing U-shaped steel bar welding nets or vertical steel bars in the vertical strip-shaped concrete rib grids 5 embedded in the heat-insulating layer;
s6: erecting a template at the outer side of the reticular steel bar 3 according to the size of the wall body;
s7: concrete layers 2 are poured on two sides of the heat preservation layer 1, and the templates are removed after the conditions are met, so that the cast-in-place grid concrete sandwich wall with the strip-shaped rib grid is formed.
Example two
The strip-shaped concrete rib grids 5 are distributed in a vertical direction and a transverse direction, the strip-shaped concrete rib grids 5 penetrate through the heat insulation layer 1, locking rib pieces can be placed inside the penetrating strip-shaped concrete rib grids 5 and can be U-shaped steel or steel bars with the cross-sectional area of 20-100mm2, limiting hooks are arranged at the end portions of the locking rib pieces and clamped outside the net-shaped steel bars, the spacing between the locking rib pieces is 100-500 mm, reinforced concrete or steel structure concrete reinforcing frame columns 7 are arranged at connecting positions of the wall bodies such as the corners of the sandwich wall body, the diameter of a fixing inserted bar penetrating through the heat insulation layer 1 and connected with the concrete layers 2 on the two sides is 1.8-6mm, and the density is 20-220 per square meter; the concrete layer 2 is welded with the reticular steel bars when the thickness is not more than 80mm, the concrete layer can be welded with the reticular steel bars 3 when the thickness is more than 80mm, and can also be directly anchored in the concrete layer, and vertical section steel or steel bars are arranged in the reinforced frame columns 7 at the intersection parts of the wall body, so that a steel concrete structure or a concrete shear wall structure is formed with the wall body.
The construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer 1, a reticular steel bar 3 and a fixed joint bar 4;
s3: binding and installing steel bars or section steel of a structural reinforcing frame column 7, and binding steel bars of other vertical stress members;
s4: mounting a plate-type component;
s5: installing locking rib pieces in the strip-shaped concrete rib grids 5 which penetrate through the heat-insulating layer 1;
s6: erecting a template at the outer side of the reticular steel bar 3 according to the size of the wall body;
s7: concrete layers 2 are poured on two sides of the heat preservation layer 1, and the templates are removed after the conditions are met, so that the cast-in-place grid concrete sandwich wall with the strip-shaped rib grid is formed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a structure of wall body with heat preservation, includes that this wall body contains concrete layer (2), the intraformational reticular steel bar of concrete (3), fixed joint bar (4) and banded concrete rib check (5) that pass heat preservation (1), its characterized in that of heat preservation both sides: banded concrete rib check (5) are vertical or vertical and horizontal both-way distribution, the partial embedding heat preservation (1) in banded concrete rib check (5), the connection position of wall bodies such as sandwich wall body corner is provided with reinforced concrete or shaped steel structure concrete and makes and strengthen framed column (7), U shaped steel bar welding net or reinforcing bar can be placed to vertical banded concrete rib check (5) inside, heat preservation (1) both sides are provided with concrete layer (2), concrete layer (2) and the thickness that structural connection one side is not less than concrete layer (2) of opposite side, reinforcement or welding become netted, the position that lies in banded concrete rib check (5) embedding on heat preservation (1) adopts the lower high performance insulation material of coefficient of heat conduction, be provided with vertical shaped steel or reinforcing bar in the reinforcing framed column (7) of wall body crossing position.
2. The structure of a wall with an insulating layer according to claim 1, wherein: the depth of the strip-shaped concrete rib grids (5) embedded into the heat insulation layer (1) is 10mm-100mm, and the width of the strip-shaped concrete rib grids is 50mm-200 mm; the horizontal spacing is 600mm-2000mm, and the vertical spacing is 1500-4500 mm.
3. The structure of a wall with an insulating layer according to claim 1, wherein: the thickness of the cross section of the concrete layer (2) is 30mm-200mm, the diameter of the net-shaped steel bars in the concrete layer is 2mm-10mm, and the distance is 50mm-200 mm.
4. The method for constructing a wall with an insulating layer according to claim 1, wherein: the construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer (1), a reticular steel bar (3) and a fixed joint bar (4);
s3: binding and installing steel bars or section steel for constructing a reinforced frame column (7), and binding steel bars of other vertical stress members;
s4: mounting a plate-type component;
s5: u-shaped steel bar welding nets or vertical steel bars are arranged in the vertical strip-shaped concrete rib grids (5) embedded into the heat-insulating layer;
s6: erecting a template at the outer side of the reticular steel bar (3) according to the size of the wall body;
s7: concrete layers (2) are poured on two sides of the heat preservation layer (1), and the templates are removed after conditions are met, so that the cast-in-place grid concrete sandwich wall containing the strip-shaped rib grids is formed.
5. The structure of a wall with an insulating layer according to claim 1, wherein: the heat-insulating layer (1) is run through by the strip-shaped concrete rib grids (5), locking rib pieces can be placed inside the strip-shaped concrete rib grids (5) with connectivity, reinforced concrete or steel structure concrete is arranged at connecting positions of walls such as wall corners of the sandwich wall, the concrete layer (2) is welded with the net-shaped steel bars when the thickness of the concrete layer is not larger than 80mm, the concrete layer can be welded with the net-shaped steel bars (3) when the thickness of the concrete layer is larger than 80mm, the concrete layer can also be directly anchored into the concrete layer, vertical steel sections or steel bars are arranged in the reinforcing frame columns (7) at the intersecting positions of the walls, and accordingly, the steel concrete structure or the concrete shear wall structure can be formed with.
6. The structure of a wall with an insulating layer according to claim 5, wherein: the cross-sectional area of the locking rib piece is 20-100mm 2U-shaped steel or steel bar, the end part of the locking rib piece is provided with a limiting hook clamped on the outer side of the mesh steel bar, and the distance between the locking rib pieces is 100-500 mm.
7. The structure of a wall with an insulating layer according to claim 5, wherein: the fixed joint bars (4) penetrate through the heat-insulating layer (1) and are fixedly connected with the concrete layers (2) at two sides, the diameter is 1.8-6mm, and the density is 20-220 per square meter.
8. The method for constructing a wall with an insulating layer according to claim 5, wherein: the construction process comprises the following steps:
s1: constructing a foundation ring beam, and reserving a profile steel anchoring part or reserving vertical lap joint reinforcing steel bars;
s2: manufacturing a plate type member comprising an insulating layer (1), a reticular steel bar (3) and a fixed joint bar (4);
s3: binding and installing steel bars or section steel for constructing a reinforced frame column (7), and binding steel bars of other vertical stress members;
s4: mounting a plate-type component;
s5: installing locking rib pieces in the strip-shaped concrete rib grids (5) penetrating through the heat-insulating layer (1);
s6: erecting a template at the outer side of the reticular steel bar (3) according to the size of the wall body;
s7: concrete layers (2) are poured on two sides of the heat preservation layer (1), and the templates are removed after conditions are met, so that the cast-in-place grid concrete sandwich wall containing the strip-shaped rib grids is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910876029.9A CN111636596A (en) | 2019-09-17 | 2019-09-17 | Structure of wall with heat-insulating layer and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910876029.9A CN111636596A (en) | 2019-09-17 | 2019-09-17 | Structure of wall with heat-insulating layer and construction method thereof |
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| CN111636596A true CN111636596A (en) | 2020-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412014A (en) * | 2022-02-07 | 2022-04-29 | 河北新农建节能科技有限公司 | Hidden column visible template cast-in-place composite bearing wall and construction method thereof |
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Application publication date: 20200908 |