CN112854490A - Deformation joint structure and construction method - Google Patents
Deformation joint structure and construction method Download PDFInfo
- Publication number
- CN112854490A CN112854490A CN202011617180.XA CN202011617180A CN112854490A CN 112854490 A CN112854490 A CN 112854490A CN 202011617180 A CN202011617180 A CN 202011617180A CN 112854490 A CN112854490 A CN 112854490A
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- Prior art keywords
- sound insulation
- deformation joint
- deformation
- rock wool
- fire retardant
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 53
- 239000011490 mineral wool Substances 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000006870 function Effects 0.000 abstract description 8
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000002955 isolation Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 4
- 230000008407 joint function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
-
- 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
- E04B1/82—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 sound only
- E04B1/84—Sound-absorbing elements
-
- 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
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
Landscapes
- 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 relates to a deformation joint structure and a construction method, belongs to the technical field of building construction, and is used for reducing noise transmission and vibration sound transmission while meeting the basic functions of the deformation joint, and has fireproof and waterproof functions. The structure comprises a sound insulation member, a fireproof and waterproof member and an anti-deformation member which are arranged from bottom to top, wherein the sound insulation member comprises a bracket bearing arranged below and a double-layer sound insulation felt adhered to the bracket bearing, and two ends of the sound insulation felt are fixed with a contact surface of a structural wall after being turned upwards; the fireproof and waterproof component comprises a rock wool fire retardant belt and a water stop belt, the rock wool fire retardant belt is filled in an area formed by enclosing of the sound insulation felt, and the water stop belt is arranged on the upper surface of the rock wool fire retardant belt; the deformation-preventing component comprises a frame part, a central plate and a slide bar, wherein the slide bar is horizontally arranged at the upper opening of the deformation joint, the central plate is arranged above the slide bar in parallel through a connecting piece, two ends of the slide bar are respectively connected with the frame part, and the frame part is fixedly connected with the structural wall.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a deformation joint structure and a construction method.
Background
With the acceleration of urban culture construction pace, theater type construction projects are gradually increasing. The geographical position of the project is mostly located in the central section of a city, the surrounding noise environment is complex, and the full-floating vibration isolation and box-in-box structure is increasingly widely applied to the acoustic sensitive buildings. Because a large number of deformation joints exist across the vibration isolation area and need to be treated, the existing deformation joints mainly aim at the requirement of uneven settlement deformation of common construction projects, and the requirements of sound insulation and vibration isolation of theater projects are not pointed.
Therefore, it is imperative to explore a deformation joint structure suitable for theater type projects.
Disclosure of Invention
The invention aims to provide a deformation joint structure and a construction method, which can effectively solve the problem of processing deformation joints of acoustically sensitive buildings such as a full-floating vibration isolation structure, a box-in-box structure and the like across a vibration isolation area, can effectively reduce noise transmission and isolate vibration transmission, and simultaneously have fireproof and waterproof functions. According to specific requirements, the invention can also be widely used for the deformation joint treatment with the requirements of sound insulation, vibration isolation, fire prevention and water prevention in other fields.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a deformation joint structure, two sides of which are structural walls, is characterized by comprising a sound insulation component, a fireproof and waterproof component and an anti-deformation component which are arranged from bottom to top,
the sound insulation members are arranged in the deformation joints and comprise sound insulation felts and support bearings, the two sound insulation felts are adhered to the upper surfaces of the support bearings, and two ends of each sound insulation felt are bent and upwarped and then are respectively fixedly connected with the adjacent structural walls through cement nails;
the fireproof and waterproof component comprises a rock wool fire retardant belt and a water stop belt, and the rock wool fire retardant belt is filled in an area formed by enclosing the sound insulation felt; the water stop is arranged on the upper surface of the rock wool fire retardant belt and extends to the contact surface between the upper surface of the structural wall and the deformation-preventing component along the side wall of the deformation joint;
the anti-deformation member comprises a frame component, a central plate and a sliding rod, wherein the sliding rod is horizontally arranged at an upper opening of a deformation joint, the central plate is arranged above the sliding rod in parallel through a connecting piece, two ends of the sliding rod are respectively connected with the frame component, and the frame component is fixedly connected with a structural wall through a first expansion bolt and a second expansion bolt.
Compared with the prior art, the invention has the beneficial technical effects that:
the deformation joint structure comprises a sound insulation member, a fireproof and waterproof member and an anti-deformation member, wherein the sound insulation member, the fireproof and waterproof member and the anti-deformation member are arranged from bottom to top, the sound insulation member is arranged in the deformation joint and comprises a support bearing arranged below and a double-layer sound insulation felt adhered to the support bearing, two ends of the sound insulation felt are fixed with a contact surface of a structural wall body through cement nails after being turned upwards, and vibration transmission is eliminated through elasticity of the sound insulation felt, so that sound insulation and vibration isolation effects are achieved. The fireproof and waterproof component comprises a rock wool fire retardant belt and a water stop belt, and the rock wool fire retardant belt is filled in an area formed by enclosing the sound insulation felt, so that the fireproof effect is achieved. The waterstop sets up in the upper surface of rock wool back-fire relief area to continue to the contact surface of structure wall body upper surface and anti-deformation component along the lateral wall of movement joint, thereby play water-proof effects. The anti-deformation component comprises a frame part, a central plate and a sliding rod, wherein the sliding rod is horizontally arranged at the upper opening of the deformation joint, the central plate is arranged above the sliding rod in parallel through a connecting piece, the two ends of the sliding rod are respectively connected with the frame part, and the frame part is fixedly connected with a structural wall through a first expansion bolt and a second expansion bolt, so that the anti-deformation effect is achieved. The deformation joint structure disclosed by the invention combines the special deformation joint function requirements of the acoustic sensitive building, meets the basic functions of the deformation joint, reduces noise transmission and vibration sound transmission, and ensures the first-class sound construction effect of a theater. The construction method of the deformation joint structure can effectively reduce noise transmission and vibration sound transmission, has fireproof and waterproof functions, and provides a new solution for the treatment of the deformation joint of the acoustic sensitive building. The construction method is simple and convenient to operate and has good popularization value.
Furthermore, an elastic rubber belt is arranged at the joint of the upper end of the frame part and the structural wall.
Further, the frame member is made of an aluminum alloy.
Further, the water stop is an ethylene propylene diene monomer water stop with the thickness of 1.5 mm.
Furthermore, the support is made of galvanized iron sheets with the thickness of 0.6 mm.
Further, the center plate is made of galvanized steel plate with the thickness of 3.0 mm.
The invention also provides a construction method of the deformation joint structure, which comprises the following steps:
step S1, providing the deformation joint structure for standby;
step S2, arranging a support at a deformation joint position between the structural walls;
step S3, pasting two sound insulation felts above the support of the support, and fixing the contact surfaces of the two ends of the sound insulation felts and the structural wall by cement nails after bending, upwarping and turning;
step S4, filling a rock wool fire retardant belt in an area formed by enclosing the sound insulation felt, enabling the height of the rock wool fire retardant belt to be higher than that of the sound insulation felt by a certain height, and paving a water stop belt above the rock wool fire retardant belt;
and step S5, horizontally arranging a slide bar at the upper opening of the deformation joint, arranging a central plate above the slide bar in parallel, respectively connecting two ends of the slide bar with frame parts, and fixedly connecting the frame parts with the structural wall through first expansion bolts and second expansion bolts.
Furthermore, an elastic rubber belt is arranged at the joint of the upper end of the frame part and the structural wall.
Further, the water stop is an ethylene propylene diene monomer water stop with the thickness of 1.5 mm.
Drawings
FIG. 1 is a cross-sectional view of a deformation joint structure in one embodiment of the present invention.
In the figure:
1-a frame member; 2-a central plate; 3-a first expansion bolt; 4-a second expansion bolt; 5-an elastic rubber band; 6-water stop belt; 7-rock wool fire retardant belt; 8-sound insulation felt; 9-supporting by a bracket; 10-cement nail; 11-sliding bar.
Detailed Description
The deformation joint structure and the construction method provided by the invention are further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
The structural components of the deformation joint structure of the present invention will be described in detail with reference to fig. 1.
Example one
As shown in FIG. 1, the deformation joint structure of the invention has structural walls on both sides of the deformation joint, and comprises a sound insulation member, a fireproof and waterproof member and an anti-deformation member which are arranged from bottom to top; the sound insulation members are arranged in the deformation joints and comprise sound insulation felts 8 and support bearings 9, the two sound insulation felts 8 are adhered to the upper surfaces of the support bearings 9, and the two ends of each sound insulation felt 8 are bent and upwarped and then fixedly connected with the adjacent structural walls through cement nails 10; the fireproof and waterproof component comprises a rock wool fire retardant belt 7 and a water stop belt 6, and the rock wool fire retardant belt 7 is filled in an area formed by enclosing a sound insulation felt 8; the water stop belt 6 is arranged on the upper surface of the rock wool fire-retardant belt and is continued to the contact surface between the upper surface of the structural wall and the deformation-preventing component along the side wall of the deformation joint; the anti-deformation component comprises a frame part 1, a central plate 2 and a sliding rod 11, wherein the sliding rod 11 is horizontally arranged at the upper opening of a deformation joint, the central plate 2 is arranged above the sliding rod 11 in parallel through a connecting piece, two ends of the sliding rod 11 are respectively connected with the frame part 1, and the frame part 1 is fixedly connected with a structural wall through a first expansion bolt 3 and a second expansion bolt 4. First expansion screwBolt 3 can be an M6 iron expansion bolt; the second expansion bolt 4 can be selected
Plastic pipe expansion bolts.
Specifically, the movement joint structure that this embodiment provided includes by the sound insulation component, fire prevention, waterproof component that supreme setting down and the shape component of preapring for an unfavorable turn of events, and the sound insulation component sets up in the movement joint, including setting up in the support bearing 9 of below and pasting the double-deck sound insulation felt 8 on support bearing 9, 8 both ends of sound insulation felt turn over the book back and adopt cement nail 10 fixed with structure wall contact surface upwards, utilize sound insulation felt 8's elasticity to eliminate the vibration transaudient to play sound insulation, vibration isolation effect. The fireproof and waterproof component comprises a rock wool fire retardant belt 7 and a water stop belt 6, and the rock wool fire retardant belt 7 is filled in an area formed by enclosing a sound insulation felt 8, so that the fireproof effect is achieved. The water stop belt 6 is arranged on the upper surface of the rock wool fire retardant belt 7 and extends to the contact surface of the upper surface of the structural wall and the anti-deformation component along the side wall of the deformation joint, so that a waterproof effect is achieved. The anti-deformation component comprises a frame part 1, a central plate 2 and a sliding rod 11, wherein the sliding rod 11 is horizontally arranged at the upper opening of a deformation joint, the central plate 2 is arranged above the sliding rod 11 in parallel through a connecting piece, two ends of the sliding rod 11 are respectively connected with the frame part 1, and the frame part 1 is fixedly connected with a structural wall through a first expansion bolt 3 and a second expansion bolt 4, so that the anti-deformation effect is achieved. The deformation joint structure of this embodiment combines the special deformation joint function demand of the sensitive building of acoustics, when satisfying the deformation joint basic function, can effectively reduce noise transmission and vibration transaudient, has fire prevention, waterproof function concurrently simultaneously, guarantees the first-class sound effect of building of theater.
In the present embodiment, it is more preferable that the connection between the upper end of the frame member 1 and the structural wall is provided with an elastic rubber band 5.
In the present embodiment, it is more preferable that the frame member 1 is made of an aluminum alloy.
In this embodiment, it is more preferable that the water stop 6 is an epdm water stop with a thickness of 1.5mm for easy material availability and cost saving.
In this embodiment, it is more preferable that the supporting frame 9 is made of galvanized iron sheet with a thickness of 0.6mm, so as to provide a good supporting function for the upper sound-proof felt 8, and the thickness and material of the supporting frame are convenient to bend, so as to provide a good and stable installation environment for the sound-proof felt 8.
In the present embodiment, it is more preferable that the center plate 2 is made of a galvanized steel plate 3.0mm thick in view of structural stability.
In this embodiment, the specific size can be selected from 500 to 2000mm (length) x 100 to 300mm (width) x 40mm (height).
With continuing reference to fig. 1, the present invention further provides a construction method of a deformation joint structure, which includes the following steps:
step S1, providing the deformation joint structure for standby;
step S2, arranging a support 9 at a deformation joint position between the structural walls;
step S3, two sound insulation felts 8 are pasted above the support 9, and the contact surfaces of the two ends of the sound insulation felts 8 and the structural wall are fixed by cement nails 10 after being bent, upwarped and turned over;
step S4, filling a rock wool fire retardant belt 7 in an area formed by enclosing the sound insulation felt 8, enabling the height of the rock wool fire retardant belt 7 to be higher than that of the sound insulation felt 8 by a certain height, and paving a water stop belt 6 above the rock wool fire retardant belt 7;
step S5, horizontally arranging a slide bar 11 at the upper opening of the deformation joint, arranging a central plate 2 above the slide bar 11 in parallel, respectively connecting two ends of the slide bar 11 with frame members 1, and fixedly connecting the frame members 1 with the structural wall through first expansion bolts 3 and second expansion bolts 4.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. A deformation joint structure is characterized by comprising a sound insulation component, a fireproof and waterproof component and an anti-deformation component which are arranged from bottom to top;
the sound insulation members are arranged in the deformation joints and comprise sound insulation felts and support bearings, the two sound insulation felts are adhered to the upper surfaces of the support bearings, and two ends of each sound insulation felt are bent and upwarped and then are respectively fixedly connected with the adjacent structural walls through cement nails;
the fireproof and waterproof component comprises a rock wool fire retardant belt and a water stop belt, and the rock wool fire retardant belt is filled in an area formed by enclosing the sound insulation felt; the water stop is arranged on the upper surface of the rock wool fire retardant belt and extends to the contact surface between the upper surface of the structural wall and the deformation-preventing component along the side wall of the deformation joint;
the anti-deformation member comprises a frame component, a central plate and a sliding rod, wherein the sliding rod is horizontally arranged at an upper opening of a deformation joint, the central plate is arranged above the sliding rod in parallel through a connecting piece, two ends of the sliding rod are respectively connected with the frame component, and the frame component is fixedly connected with a structural wall through a first expansion bolt and a second expansion bolt.
2. A deformation joint structure according to claim 1, characterized in that an elastic rubber band is provided at the connection of the upper end of the frame member and the structural wall.
3. A deformation joint structure according to claim 2, characterized in that said frame members are made of an aluminum alloy.
4. A deformation joint structure according to claim 1, wherein the water stop is an ethylene-propylene-diene monomer water stop of 1.5mm thickness.
5. A deformation joint structure according to claim 1, characterized in that said supporting frame support is made of galvanized iron sheet with a thickness of 0.6 mm.
6. A deformation joint structure according to claim 1, wherein said central plate is made of galvanized steel plate 3.0mm thick.
7. A construction method of a deformation joint structure is characterized by comprising the following steps:
step S1, providing a deformation joint structure according to any one of claims 1 to 6 for standby;
step S2, arranging a support at a deformation joint position between the structural walls;
step S3, pasting two sound insulation felts above the support of the support, and fixing the contact surfaces of the two ends of the sound insulation felts and the structural wall by cement nails after bending, upwarping and turning;
step S4, filling a rock wool fire retardant belt in an area formed by enclosing the sound insulation felt, enabling the height of the rock wool fire retardant belt to be higher than that of the sound insulation felt by a certain height, and paving a water stop belt above the rock wool fire retardant belt;
and step S5, horizontally arranging a slide bar at the upper opening of the deformation joint, arranging a central plate above the slide bar in parallel, respectively connecting two ends of the slide bar with frame parts, and fixedly connecting the frame parts with the structural wall through first expansion bolts and second expansion bolts.
8. The method of claim 7, wherein an elastic rubber band is provided at a connection of an upper end of the frame member with the structural wall.
9. The construction method according to claim 7, wherein the water stop is an ethylene-propylene-diene monomer water stop having a thickness of 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617180.XA CN112854490A (en) | 2020-12-31 | 2020-12-31 | Deformation joint structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617180.XA CN112854490A (en) | 2020-12-31 | 2020-12-31 | Deformation joint structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112854490A true CN112854490A (en) | 2021-05-28 |
Family
ID=75998789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011617180.XA Pending CN112854490A (en) | 2020-12-31 | 2020-12-31 | Deformation joint structure and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN112854490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016543A (en) * | 2021-12-22 | 2022-02-08 | 北京城建集团有限责任公司 | Equipment foundation construction node of cross-structure expansion joint and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040185211A1 (en) * | 2003-03-20 | 2004-09-23 | Fay Ralph Michael | Fungi resistant sheet, facing and faced insulation assembly |
| CN202280161U (en) * | 2011-10-08 | 2012-06-20 | 朱泳菁 | Ground deformation joint for building |
| CN203256914U (en) * | 2013-04-22 | 2013-10-30 | 卢家玲 | Ground deformation joint |
| CN207419870U (en) * | 2017-09-29 | 2018-05-29 | 河北卓秋实业有限公司 | A kind of roof boarding deformation joint node apparatus |
| CN207944570U (en) * | 2018-02-08 | 2018-10-09 | 王斌 | A kind of external wall deformation joint construction structure |
-
2020
- 2020-12-31 CN CN202011617180.XA patent/CN112854490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040185211A1 (en) * | 2003-03-20 | 2004-09-23 | Fay Ralph Michael | Fungi resistant sheet, facing and faced insulation assembly |
| CN202280161U (en) * | 2011-10-08 | 2012-06-20 | 朱泳菁 | Ground deformation joint for building |
| CN203256914U (en) * | 2013-04-22 | 2013-10-30 | 卢家玲 | Ground deformation joint |
| CN207419870U (en) * | 2017-09-29 | 2018-05-29 | 河北卓秋实业有限公司 | A kind of roof boarding deformation joint node apparatus |
| CN207944570U (en) * | 2018-02-08 | 2018-10-09 | 王斌 | A kind of external wall deformation joint construction structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016543A (en) * | 2021-12-22 | 2022-02-08 | 北京城建集团有限责任公司 | Equipment foundation construction node of cross-structure expansion joint and construction method |
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Application publication date: 20210528 |
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