CN113235765A - Assembled outer wall capable of bearing external heavy load and method - Google Patents
Assembled outer wall capable of bearing external heavy load and method Download PDFInfo
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- CN113235765A CN113235765A CN202110547098.2A CN202110547098A CN113235765A CN 113235765 A CN113235765 A CN 113235765A CN 202110547098 A CN202110547098 A CN 202110547098A CN 113235765 A CN113235765 A CN 113235765A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 238000010008 shearing Methods 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 1
- 239000004567 concrete Substances 0.000 description 12
- 238000004321 preservation Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- 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
- E04B1/7608—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 comprising a prefabricated insulating layer, disposed between two other layers or panels
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- 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an assembled outer wall capable of bearing an externally hung heavy load and a method thereof, wherein the assembled outer wall comprises an outer leaf plate, a heat insulation plate and an inner leaf plate which are sequentially arranged, at least one pressure-bearing piece is arranged in the middle of the heat insulation plate, a plurality of through holes are formed in the pressure-bearing piece, a shear-resistant piece penetrates through the through holes, one end of the shear-resistant piece penetrates into the outer leaf plate, the other end of the shear-resistant piece penetrates into the inner leaf plate, and expansion ends are arranged at two ends of the shear-resistant piece.
Description
Technical Field
The invention belongs to the technical field of relevant equipment of constructional engineering, and particularly relates to an assembled outer wall capable of bearing an externally hung heavy load and a method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In recent years, with the development of building industrialization and building intelligence, the development of fabricated concrete construction is extremely rapid, and the application is more extensive. The assembled sandwich outer wall consists of a concrete outer leaf plate, a heat insulation plate and a concrete inner leaf plate, and is generally applied to an outer peripheral protection system of a building. As an external wall form integrating an assembly type enclosure structure, an assembly type stress structure and heat insulation and decoration, the external wall form is widely applied to an assembly type concrete structure, in particular to an assembly type concrete residential structure.
The concrete outer leaf of the fabricated sandwich outer wall is generally a reinforced concrete slab with the thickness of 60mm, mainly used as an outer heat-insulating protective layer and a decorative layer, and is usually connected with the heat-insulating plate and the concrete inner leaf through heat-insulating connecting pieces. The dead weight of the outer leaf plate and the load borne under the action of wind load and earthquake load are transmitted to the concrete inner leaf plate through the heat-insulating connecting piece and are structurally connected with the building main body through the concrete inner leaf plate.
However, the inventor finds that the existing connection mode only considers the load on the outer page plate, and is difficult to bear the other external heavy load except the load of the outer page plate. In practical engineering application, the sandwich outer wall is difficult to avoid bearing other external heavy loads, such as climbing frame support in the construction process, special modeling of the outer surface of a building, support of an air conditioner or a solar panel, hanging of a water tank in an open outer balcony of the building and the like. The sandwich outer wall external heavy load comprises vertical tensile force on the outer page plate, vertical pressure perpendicular to the outer page plate and pointing to the heat preservation layer, outward tensile force perpendicular to the outer page plate and the like. Except for the outward tensile force perpendicular to the outer leaf plate, other loads are difficult to bear by utilizing the heat-insulating connecting piece of the original sandwich outer wall, because the loads often exceed the bearing capacity of the heat-insulating connecting piece. The vertical pressure easily presses the heat preservation layer to be deformed, and the vertical pulling force is easily cut off the heat preservation connecting piece, thereby causing potential safety hazard.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an assembled outer wall capable of bearing an externally hung heavy load and a method thereof, a novel bearing mode can be formed among an outer leaf plate, a heat insulation plate and an inner leaf plate of the assembled sandwich outer wall, and the assembled sandwich outer wall can bear vertical tensile force acting on the outer leaf plate and vertical pressure perpendicular to the outer leaf plate and pointing to a heat insulation layer.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the invention provides an assembled outer wall capable of bearing an externally hung heavy load, which comprises an outer page plate, a heat insulation plate and an inner page plate which are sequentially arranged, wherein the middle part of the heat insulation plate is provided with at least one pressure-bearing part, the pressure-bearing part is provided with a plurality of through holes, a shear-resistant part is arranged in each through hole in a penetrating manner, one end of the shear-resistant part penetrates into the outer page plate, the other end of the shear-resistant part penetrates into the inner page plate, and two ends of the shear-resistant part are respectively provided with an expansion end.
As a further technical scheme, the expansion end and the two ends of the shear-resistant piece are connected together through screwing or welding, and the shear-resistant piece penetrates through the pressure-bearing piece and is tightly connected with the pressure-bearing piece.
As a further technical scheme, the bearing part is of a block structure and is embedded in the heat insulation plate.
As a further technical scheme, the shearing resistant part is of a rod-shaped structure, the expansion end is of an annular structure, and the expansion end is sleeved on the end part of the shearing resistant part and is fixedly connected with the shearing resistant part.
As a further technical scheme, the radial dimension of the enlarged end is larger than that of the shear piece.
As a further technical scheme, the bearing piece is circular or rectangular, and the thickness of the bearing piece is the same as that of the heat insulation plate.
As a further technical scheme, the pressure-bearing piece is made of wood or plastic.
As a further technical scheme, the shear resistant member is a metal rod, and the size of the shear resistant member penetrating into the outer leaf plate is smaller than that of the shear resistant member penetrating into the inner leaf plate.
As a further technical scheme, the thickness of the inner leaf is larger than that of the heat preservation plate, and the thickness of the heat preservation plate is larger than that of the outer leaf.
In a second aspect, an embodiment of the present invention further provides an installation method of the assembled exterior wall, including the following steps:
connecting the pressure-bearing part, the shearing-resistant part and the expansion end into an integral structure;
the pressure-bearing piece is embedded in the heat-insulation plate to correspond to the position of the externally hung heavy load;
and pouring an inner hinge plate on one side of the heat insulation plate, and pouring an outer hinge plate on the other side of the heat insulation plate to form an integral structure.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
the assembled outer wall can bear vertical pressure and vertical tensile force generated by an externally hung heavy load on the outer leaf plate through the pressure bearing piece and the shear resistant piece, and can prevent a cold and hot bridge from being formed between the outer leaf plate and the inner leaf plate through the characteristic of the pressure bearing piece, so that the heat insulation effect of the sandwich outer wall is ensured.
The assembled outer wall is connected with the inner and outer page plates and the heat insulation plate through an integral structure formed by connecting the pressure-bearing part, the shear-resisting part and the expansion end, reliable bearing and reinforcement can be completed through simple connection, the pressure-bearing part mainly bears vertical pressure transmitted by an external heavy load to the outer page plate, the shear-resisting part mainly bears vertical tensile force transmitted by the external heavy load to the outer page plate, the expansion end mainly strengthens the connection effect of the shear-resisting part with the inner page plate and the outer page plate, and transmits the vertical tensile force to the inner page plate more effectively, so that the structural safety of the outer page plate is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a fabricated exterior wall according to one or more embodiments of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
the device comprises a bearing part 1, a shearing resisting part 2, an expansion end 3, an outer leaf plate 4, an outer leaf plate 5, a heat insulation plate 6 and an inner leaf plate.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In a typical embodiment of the invention, as shown in fig. 1, an assembled exterior wall capable of bearing an externally hung heavy load is provided, which includes an outer sheet 4, an insulation board 5, and an inner sheet 6, which are sequentially disposed, that is, the insulation board is disposed in the middle, the outer sheet is attached to one side of the insulation board, and the inner sheet is attached to the other side of the insulation board. The inner leaf plate is a stressed component connected with the main body structure, and the outer leaf plate plays a role in protecting the heat-insulation plate.
The thickness of the inner leaf is larger than that of the heat preservation plate, and the thickness of the heat preservation plate is larger than that of the outer leaf.
The inner leaf plate and the outer leaf plate are both reinforced concrete members and are cast and molded in a factory.
The middle part of the insulation board 5 is provided with at least one bearing part 1, the bearing part 1 is provided with a plurality of through holes, the shear resistant part 2 is arranged in the through holes in a penetrating way, one end of the shear resistant part 2 penetrates into the outer leaf plate 4, the other end of the shear resistant part 2 penetrates into the inner leaf plate 6, and the two ends of the shear resistant part are provided with the expansion ends 3. The two ends of the expansion end and the two ends of the shear resistant piece are connected together through screwing or welding, and the shear resistant piece penetrates through the pressure-bearing piece and is tightly connected with the pressure-bearing piece to form an integral stress structure.
The bearing part 1 is of a block structure, and the bearing part 1 is embedded in the heat insulation plate 5. The shear member 2 is a rod-like structure. The expansion end 3 is of an annular structure, the end part of the shear resistant part 2 is sleeved with the expansion end 3 and is fixedly connected with the shear resistant part, and the radial size of the expansion end is larger than that of the shear resistant part.
In a preferred embodiment, the pressure-bearing piece, the shear-resisting piece and the expansion end are of an integrated structure.
The outer side of the outer leaf plate is provided with an externally hung heavy load, and the bearing part connects the outer leaf plate, the heat insulation plate and the inner leaf plate into a whole through the shearing resistant part and the expansion end. The bearing part mainly bears the vertical pressure of external heavy load transmitted to the outer page plate, the shearing resistant part mainly bears the vertical pulling force of the external heavy load transmitted to the outer page plate, the expansion end mainly strengthens the connection effect of the shearing resistant part with the inner page plate and the outer page plate, the vertical pulling force is transmitted to the inner page plate more effectively, and the structure safety of the outer page plate is guaranteed.
In the present embodiment, the definitions of the inner and outer sides of the outer sheet are: one side of the outer leaf plate, which is close to the heat insulation plate, is the inner side, and one side of the outer leaf plate, which is far away from the heat insulation plate, is the outer side.
The bearing piece is circular or rectangular, the thickness L3 of the bearing piece is the same as that of the heat insulation plate, and the width H and the length B of the bearing plate can be determined by the size and the load of a specific external heavy load.
In alternative embodiments, the material of the pressure-bearing member may be wood, plastic or other materials with strong pressure-bearing capacity and low thermal conductivity. The pressure-bearing piece can bear the pressure acting on the pressure-bearing piece, so that the heat-insulating plate can not be extruded and deformed, and the cold and hot bridges formed between the inner leaf plate and the outer leaf plate and the heat-insulating performance of the sandwich outer wall can be prevented from being influenced by the characteristic of low heat conductivity coefficient.
The shear resistant piece is a metal round rod or a metal square rod, two ends of the shear resistant piece penetrate into the outer leaf plate and the inner leaf plate to a certain size, the size L1 of the outer leaf plate penetrating into the shear resistant piece is smaller than the size L3 of the inner leaf plate penetrating into the shear resistant piece, and the specific sizes and rod piece specifications of L1 and L3 can be determined by the load of an externally hung heavy load.
Because the shearing resistant piece is the metal member, can undertake stronger shearing force to undertake the vertical pulling force that external heavy load transmitted the outer page board, prevent to produce between outer page board and heated board and the interior page board and warp, influence the security of outer page board.
The expanded end is a metal end head, the expanded end can be a metal round or square steel plate, and the specific size and specification can be determined by the load of an externally hung heavy load. The expansion end can ensure that the shearing resistant member is reliably connected with the inner leaf plate and the outer leaf plate, and the shearing force formed by the shearing resistant member can be more effectively transmitted to the inner leaf plate from the outer leaf plate.
Because the radial dimension of the expanded end is larger than that of the shear-resistant piece, the stress areas of the shear-resistant piece and concrete of the inner leaf plate and the outer leaf plate can be increased, and the concrete of the inner leaf plate and the concrete of the outer leaf plate are prevented from being locally damaged by pressure.
When the assembled sandwich outer wall is manufactured, the pressure-bearing part, the shear-resisting part and the expansion end are installed inside the assembled sandwich outer wall, and the pressure-bearing part, the shear-resisting part and the expansion end are effective for a long time.
Example 2:
the invention also provides a forming method of the assembled outer wall, which comprises the following steps:
A. connecting the pressure-bearing part, the shearing-resistant part and the expansion end into an integral structure; in a preferred embodiment, the three are integrally molded;
B. the pressure-bearing piece is embedded in the heat-insulation plate to correspond to the position of the externally hung heavy load;
C. and pouring an inner hinge plate on one side of the heat insulation plate, and pouring an outer hinge plate on the other side of the heat insulation plate to form an integral structure.
Therefore, the anti-shearing part and the expansion end are poured in the inner leaf plate and the outer leaf plate, the pressure-bearing part mainly bears the pressure perpendicular to the plate surface, the anti-shearing part mainly bears the vertical downward shearing force, and the anti-shearing part, the anti-shearing part and the expansion end are connected into an integral structure, so long as the anti-shearing part and the expansion end are reliably poured in the inner leaf plate and the outer leaf plate, the pressure-bearing part, the anti-shearing part and the expansion end can be reliably connected with the heat insulation plate, the inner leaf plate and the outer leaf plate.
In a further technical scheme, the number of the shearing resistant pieces and the specification of the pressure-bearing pieces can be determined according to the specific condition of the externally hung heavy load.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a can bear assembled outer wall of external heavy load, characterized by, is including outer page or leaf board, heated board, the interior page or leaf board that sets gradually, the heated board middle part sets up at least one bearing piece, and a plurality of through-holes are seted up to the bearing piece, wear to establish the piece that shears in the through-hole, and during piece one end that shears penetrated outer page or leaf board, during the piece other end that shears penetrated interior page or leaf board, and the piece both ends that shear all set up the expansion end.
2. The fabricated exterior wall of claim 1, wherein the enlarged end is connected to both ends of the shear member by screwing or welding, and the shear member passes through the bearing member and is tightly connected to the bearing member.
3. The fabricated exterior wall of claim 1, wherein the bearing member is a block structure, and the bearing member is embedded in the insulation board.
4. The fabricated exterior wall as defined in claim 1, wherein the shear-resistant member is a rod-shaped structure, the enlarged end is a ring-shaped structure, and the enlarged end is sleeved on the end of the shear-resistant member and fixedly connected with the shear-resistant member.
5. An assembled exterior wall as claimed in claim 4, wherein the enlarged end has a radial dimension greater than a radial dimension of the shear member.
6. The fabricated exterior wall of claim 1, wherein the bearing member is circular or rectangular, and the thickness of the bearing member is the same as that of the insulation board.
7. The fabricated exterior wall of claim 1, wherein the material of the pressure-bearing member is wood or plastic.
8. The fabricated exterior wall of claim 1, wherein the shear resistant members are metal rods having a smaller penetration dimension into the outer leaf than into the inner leaf.
9. The fabricated exterior wall of claim 1, wherein the thickness of said inner leaf is greater than the thickness of the insulation board, which is greater than the thickness of the outer leaf.
10. A method of installing an assembled outer wall according to any one of claims 1 to 9, characterised by the steps of:
connecting the pressure-bearing part, the shearing-resistant part and the expansion end into an integral structure;
the pressure-bearing piece is embedded in the heat-insulation plate to correspond to the position of the externally hung heavy load;
and pouring an inner hinge plate on one side of the heat insulation plate, and pouring an outer hinge plate on the other side of the heat insulation plate to form an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547098.2A CN113235765A (en) | 2021-05-19 | 2021-05-19 | Assembled outer wall capable of bearing external heavy load and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110547098.2A CN113235765A (en) | 2021-05-19 | 2021-05-19 | Assembled outer wall capable of bearing external heavy load and method |
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| Publication Number | Publication Date |
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| CN113235765A true CN113235765A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110547098.2A Pending CN113235765A (en) | 2021-05-19 | 2021-05-19 | Assembled outer wall capable of bearing external heavy load and method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418686B1 (en) * | 1997-04-25 | 2002-07-16 | Leading Edge Earth Products, Inc. | Insulated asymmetrical directional force resistant building panel with symmetrical joinery, integral shear resistance connector and thermal break |
| CN102168491A (en) * | 2011-03-15 | 2011-08-31 | 李爱国 | Novel method for installing prestress connecting piece of concrete heat-insulating sandwich board |
| CN106168058A (en) * | 2016-08-01 | 2016-11-30 | 中国十七冶集团有限公司 | A kind of prefabricated sandwich style Sandwich insulation wallboard and manufacture method |
| CN207063209U (en) * | 2017-07-21 | 2018-03-02 | 湖南东方红建设集团有限公司 | A kind of flexible connection component in prefabricated sandwich thermal insulating composite panel |
| CN209958607U (en) * | 2019-04-26 | 2020-01-17 | 北京预制建筑工程研究院有限公司 | Heat preservation connection structure of prefabricated sandwich wallboard |
| CN210562733U (en) * | 2019-08-20 | 2020-05-19 | 李俊斌 | Composite cast-in-situ external wall insulation board |
| CN111188422A (en) * | 2020-01-15 | 2020-05-22 | 北京市燕通建筑构件有限公司 | Heat preservation drawknot spare and heat preservation wall |
-
2021
- 2021-05-19 CN CN202110547098.2A patent/CN113235765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6418686B1 (en) * | 1997-04-25 | 2002-07-16 | Leading Edge Earth Products, Inc. | Insulated asymmetrical directional force resistant building panel with symmetrical joinery, integral shear resistance connector and thermal break |
| CN102168491A (en) * | 2011-03-15 | 2011-08-31 | 李爱国 | Novel method for installing prestress connecting piece of concrete heat-insulating sandwich board |
| CN106168058A (en) * | 2016-08-01 | 2016-11-30 | 中国十七冶集团有限公司 | A kind of prefabricated sandwich style Sandwich insulation wallboard and manufacture method |
| CN207063209U (en) * | 2017-07-21 | 2018-03-02 | 湖南东方红建设集团有限公司 | A kind of flexible connection component in prefabricated sandwich thermal insulating composite panel |
| CN209958607U (en) * | 2019-04-26 | 2020-01-17 | 北京预制建筑工程研究院有限公司 | Heat preservation connection structure of prefabricated sandwich wallboard |
| CN210562733U (en) * | 2019-08-20 | 2020-05-19 | 李俊斌 | Composite cast-in-situ external wall insulation board |
| CN111188422A (en) * | 2020-01-15 | 2020-05-22 | 北京市燕通建筑构件有限公司 | Heat preservation drawknot spare and heat preservation wall |
Non-Patent Citations (1)
| Title |
|---|
| 刘明，姜成斌，隋明月: "《土木工程建造管理》", 31 August 2006, 哈尔滨工业大学出版社 * |
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