CN110067321B - Flexible connecting device for assembled shear wall and construction method thereof - Google Patents
Flexible connecting device for assembled shear wall and construction method thereof Download PDFInfo
- Publication number
- CN110067321B CN110067321B CN201910471390.3A CN201910471390A CN110067321B CN 110067321 B CN110067321 B CN 110067321B CN 201910471390 A CN201910471390 A CN 201910471390A CN 110067321 B CN110067321 B CN 110067321B
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- shear wall
- lower shear
- threaded sleeve
- sleeve
- threaded
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- 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
- E04B1/6806—Waterstops
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides an assembled shear wall flexible connection device which comprises a lower shear wall, wherein an upper shear wall is arranged above the lower shear wall, a nut reservation groove is formed in the upper portion of the side of the lower shear wall, a plurality of bolt reservation holes penetrating through the lower shear wall are formed in the nut reservation groove, a plurality of sleeve connection groups are embedded in the lower side portion of the upper shear wall in advance, each sleeve connection group comprises a transversely arranged threaded sleeve, a threaded connecting rod penetrating through the threaded sleeve is vertically arranged on the threaded sleeve, and bolts sequentially penetrate through the bolt reservation holes and the inner portion of the threaded sleeve to fixedly connect the upper shear wall with the lower shear wall. The invention has reasonable design, reduces the use of the cast-in-situ concrete part template, improves the construction efficiency, can effectively prevent water seepage at the joint of the lower shear wall and the superimposed sheet, and has practicability and innovation.
Description
Technical Field
The invention relates to an assembled shear wall flexible connection device and a construction method thereof.
Background
At present, in some low-rise assembled buildings, the assembled shear wall can reduce the engineering quantity of wall masonry or externally hung wallboards, and engineering application is gradually achieved. The structure usually adopts the form of an assembled shear wall and a superposed beam plate, so that the connection method of the prefabricated shear wall and the superposed beam plate and the connection of the upper and lower layers of shear walls become key links in the construction process, and the engineering quality including the structural safety and the waterproof problem are directly influenced. At present, the precast shear wall and the superposed beam slab are mainly connected by cast-in-situ, and the upper precast shear wall steel bars and the lower precast shear wall steel bars are connected by grouting sleeves: the method comprises the steps of hoisting the laminated slab after the prefabricated shear wall is installed in place, binding partial reinforcing steel bars at the tops of the laminated slab and the shear wall, installing a template, and finally performing concrete pouring. On one hand, the template is required to be installed on the outer side of the connection between the shear wall and the superimposed sheet, so that the workload of the template is increased, and in order to enable workers to have a certain operation space, a scaffold is required to be additionally erected, so that the additional workload is caused; on the other hand, the steel bar sleeve grouting connection of the upper and lower shear walls has high cost, the sleeve grouting connection quality is difficult to perform spot check, and if the steel bar sleeve grouting connection is a building outer wall, the upper and lower shear wall connection belongs to a horizontal mode and is a place where leakage frequently occurs.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is to provide the flexible connecting device for the assembled shear wall and the construction method thereof, aiming at low-layer assembled buildings, and improving the construction efficiency.
The specific embodiments of the invention are: the utility model provides an assembled shear force wall flexible connection device, including lower shear force wall, lower shear force wall top is provided with the shear force wall, lower shear force wall side upper portion is provided with the nut reservation groove, has a plurality of bolt preformed hole that runs through lower shear force wall in the nut reservation groove, it has a plurality of sleeve connection group to go up to pre-buried in the lateral part under the shear force wall, and every sleeve connection group is including the screw thread sleeve of horizontal setting, and vertical being provided with runs through screw thread sleeve's screw thread connecting rod on the screw thread sleeve, and the bolt passes bolt preformed hole and screw thread sleeve inside in proper order will go up shear force wall and lower shear force wall fixed connection.
Further, superimposed sheet connecting notches are formed in the side portions of the lower shear wall.
Further, a slot for placing the bottom of the upper shear wall is formed in the upper portion of the lower shear wall, a grouting preformed hole which is located above the laminated plate connecting slot and communicated with the laminated plate connecting slot is formed in the inner bottom surface of the slot, and a bolt preformed hole is located on the inner side surface of the slot.
Further, a protrusion matched with the slot is arranged below the upper shear wall, and the threaded sleeve is embedded in the protrusion position.
Further, be provided with the superimposed sheet in the superimposed sheet connection notch, the superimposed sheet below is provided with vertical support frame, is provided with the fossil fragments between vertical support and the superimposed sheet.
Further, the superimposed sheet is arranged horizontally, and the superimposed sheet extends into the superimposed sheet connecting groove.
Further, the outer end face of the threaded sleeve is flush with the side surface of the upper shear wall.
Further, the construction method of the flexible connection device of the assembled shear wall comprises the following steps: (1) Firstly, manufacturing a plurality of sleeve connecting groups, vertically penetrating a threaded connecting rod through the threaded sleeve, and fixedly connecting the threaded connecting rod with the threaded sleeve; (2) Customizing an upper shear wall and a lower shear wall on a prefabrication site, embedding a sleeve connecting group into the bottom of the upper shear wall, and processing a laminated plate in a traditional mode; (3) Transporting the laminated slab, the upper shear wall and the lower shear wall to a construction site, installing a first layer of wall according to a traditional method, erecting a keel and a vertical support frame after the installation is completed, adjusting the elevation of the vertical support frame, ensuring the horizontal placement of the laminated slab, and horizontally moving the laminated slab into a laminated slab connecting notch of the lower shear wall; (4) After the splicing of the laminated slab and the connecting notch of the laminated slab is completed, the connecting groove of the laminated slab can be directly used as a template, grouting is carried out in the connecting groove of the laminated slab through the grouting preformed hole, pouring of the laminated slab is carried out after the connecting groove of the laminated slab is filled, finally, the grouting preformed hole is filled, and the concrete is cured to reach a certain strength; (5) The upper part of the lower shear wall is smeared with waterproof materials or is filled with corresponding waterproof materials; (6) Hoisting the upper shear wall, placing the bulge below the upper shear wall in alignment with the slot of the lower shear wall, aligning the threaded sleeve with the bolt preformed hole on the side part of the lower shear wall, sequentially penetrating the bolt preformed hole and the inside of the threaded sleeve by using a straight screw, and fixing the upper shear wall above the lower shear wall; and (7) finally, leveling the reserved nut reserved groove by using mortar.
Compared with the prior art, the invention has the following beneficial effects: the device has reasonable design, convenient operation, quickened construction speed, reduced wet workload, quick and flexible mold sealing, reduced manufacturing cost, and simultaneously, solves the problem of water seepage at the joint of the shear wall and the superimposed sheet, improves construction efficiency, and has practicability and innovativeness.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram III of an embodiment of the invention;
FIG. 4 is a schematic diagram of a fourth embodiment of the present invention;
FIG. 5 is a schematic diagram of a fifth embodiment of the present invention;
FIG. 6 is a schematic diagram of a sixth embodiment of the present invention;
FIG. 7 is a schematic diagram of a seventh embodiment of the invention;
fig. 8 is a schematic diagram of an embodiment of the invention.
In the figure: 100-upper shear walls, 110-sleeve connection groups, 111-threaded sleeves, 112-threaded connecting rods, 120-bolts, 130-protrusions, 200-lower shear walls, 210-nut reserved grooves, 220-bolt reserved holes, 230-grooves, 240-superimposed sheet connection notches, 250-grouting reserved holes, 300-superimposed sheets, 400-vertical supporting frames and 500-keels.
Description of the embodiments
The invention will be described in further detail with reference to the drawings and the detailed description.
Examples: as shown in fig. 1-8, in this embodiment, an assembled shear wall flexible connection device is provided, including a lower shear wall 200, an upper shear wall 100 is provided above the lower shear wall 200, a nut reservation groove 210 is provided at the upper side of the lower shear wall 200, a plurality of bolt reservation holes 220 penetrating through the lower shear wall are provided in the nut reservation groove 210, a plurality of sleeve connection groups 110 are pre-embedded in the lower side of the upper shear wall 100, each sleeve connection group 110 includes a transversely arranged threaded sleeve 111, a threaded connection rod 112 penetrating through the threaded sleeve is vertically provided on the threaded sleeve, and the bolts 120 sequentially penetrate through the bolt reservation holes 220 and the inner part of the threaded sleeve 111 to fixedly connect the upper shear wall with the lower shear wall.
In this embodiment, the side of the lower shear wall 200 is provided with a laminated slab connecting slot 240, and the laminated slab connecting slot is rectangular.
In this embodiment, a slot 230 for placing the bottom of the upper shear wall is formed above the lower shear wall 200, the inner bottom surface of the slot is provided with a grouting preformed hole 250 located above the connecting slot of the laminated plate and communicated with the connecting slot of the laminated plate, and the bolt preformed hole is located on the inner side surface of the slot.
In this embodiment, a protrusion 130 matching with the slot is provided below the upper shear wall 100, and the threaded sleeve is embedded in the protrusion position.
In this embodiment, a laminated plate 300 is disposed in the laminated plate connecting slot 240, a vertical supporting frame 400 is disposed below the laminated plate, and a keel 500 is disposed between the vertical supporting frame and the laminated plate.
In this embodiment, superimposed sheet 300 level sets up, and the superimposed sheet is including being located the inside reinforcing bar of superimposed sheet, and the reinforcing bar surpasss the superimposed sheet side and extends to the inside of superimposed sheet spread groove, is convenient for follow-up grout through grout preformed hole grout, fixes superimposed sheet and lower shear force wall.
In this embodiment, the outer end surface of the threaded sleeve 111 is flush with the side surface of the upper shear wall 100.
In this embodiment, during construction, firstly, a plurality of sleeve connection groups 110 are manufactured, the threaded connection rods vertically penetrate through the threaded sleeves, so that the threaded connection rods are fixedly connected with the threaded sleeves, meanwhile, the upper shear wall 100 and the lower shear wall 200 are customized on the prefabricated site, the sleeve connection groups 110 are embedded in the bottom of the upper shear wall, the threaded connection rods are completely fixed in the upper shear wall, the threaded sleeves are transversely arranged, the openings on the threaded sleeves expose the surface of the upper shear wall, the positions of the outer openings of the threaded sleeves are flush with the side surface of the upper shear wall, in addition, the laminated plate is processed in a traditional manner, then the laminated plate, the upper shear wall and the lower shear wall are transported to a construction site, after the first-layer wall is installed according to the traditional method, a keel 500 and a vertical support 400 are built, the elevation of the vertical support is adjusted, and the horizontal placement of the laminated plate is ensured, the laminated plate is horizontally moved into the laminated plate connecting notch of the lower shear wall, when the laminated plate and the laminated plate connecting notch are spliced, the laminated plate connecting notch can be directly used as a template, grouting is carried out into the laminated plate connecting notch through the grouting preformed hole 250, pouring of the laminated plate is carried out after the laminated plate connecting notch is filled, finally the grouting preformed hole is filled, curing concrete reaches a certain strength, after curing is finished, simultaneously, the upper part of the lower shear wall is smeared with waterproof material or is filled with corresponding waterproof material, then the upper shear wall is hoisted, the bulge below the upper shear wall is placed in alignment with the notch of the lower shear wall, the threaded sleeve opening is aligned with the bolt preformed hole 220 at the side part of the lower shear wall, then the straight screw rod sequentially penetrates through the bolt preformed hole and the inside of the threaded sleeve, the upper shear wall is fixed above the lower shear wall, finally, the reserved nut reservation groove 210 is leveled with mortar. The invention has the advantages of simple structure, convenient construction, quickening the construction speed, improving the construction efficiency and having innovation and practicability.
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.
Meanwhile, if the above invention discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. The flexible connecting device for the assembled shear wall is characterized by comprising a lower shear wall, wherein an upper shear wall is arranged above the lower shear wall, a nut reservation groove is formed in the upper side of the lower shear wall, a plurality of bolt reservation holes penetrating through the lower shear wall are formed in the nut reservation groove, a plurality of sleeve connecting groups are embedded in the lower side part of the upper shear wall, each sleeve connecting group comprises a transversely arranged threaded sleeve, a threaded connecting rod penetrating through the threaded sleeve is vertically arranged on the threaded sleeve, and bolts sequentially penetrate through the bolt reservation holes and the inner parts of the threaded sleeves to fixedly connect the upper shear wall with the lower shear wall; a slot for placing the bottom of the upper shear wall is formed above the lower shear wall; a bulge matched with the slot is arranged below the upper shear wall, and the threaded sleeve is embedded in the bulge position; and the side part of the lower shear wall is provided with a superimposed sheet connecting notch which is rectangular.
2. The fabricated shear wall flexible connection device of claim 1, wherein the grooved inner bottom surface has grouting preformed holes above and in communication with the superimposed sheet connecting notch, and the bolt preformed holes are located on the grooved inner side surface.
3. The flexible connecting device for the fabricated shear wall according to claim 2, wherein a laminated plate is arranged in the connecting notch of the laminated plate, a vertical supporting frame is arranged below the laminated plate, and a keel is arranged between the vertical supporting frame and the laminated plate.
4. A fabricated shear wall flexible connection unit as claimed in claim 3, wherein the superimposed sheet is arranged horizontally, the superimposed sheet extending into the superimposed sheet connection slot.
5. The fabricated shear wall flexible connection unit of claim 4, wherein the threaded sleeve outer end surface is flush with the upper shear wall side surface.
6. A method of construction using a fabricated shear wall flexible connection unit as defined in claim 5, comprising the steps of: (1) Firstly, manufacturing a plurality of sleeve connecting groups, vertically penetrating a threaded connecting rod through the threaded sleeve, and fixedly connecting the threaded connecting rod with the threaded sleeve; (2) Customizing an upper shear wall and a lower shear wall on a prefabrication site, embedding a sleeve connecting group into the bottom of the upper shear wall, and processing a laminated plate in a traditional mode; (3) Transporting the laminated slab, the upper shear wall and the lower shear wall to a construction site, installing a first layer of wall according to a traditional method, erecting a keel and a vertical support frame after the installation is completed, adjusting the elevation of the vertical support frame, ensuring the horizontal placement of the laminated slab, and horizontally moving the laminated slab into a laminated slab connecting notch of the lower shear wall; (4) After the splicing of the laminated slab and the connecting notch of the laminated slab is completed, the connecting groove of the laminated slab can be directly used as a template, grouting is carried out in the connecting groove of the laminated slab through the grouting preformed hole, pouring of the laminated slab is carried out after the connecting groove of the laminated slab is filled, finally, the grouting preformed hole is filled, and the concrete is cured to reach a certain strength; (5) The upper part of the lower shear wall is smeared with waterproof materials or is filled with corresponding waterproof materials; (6) Hoisting the upper shear wall, placing the bulge below the upper shear wall in alignment with the slot of the lower shear wall, aligning the threaded sleeve with the bolt preformed hole on the side part of the lower shear wall, sequentially penetrating the bolt preformed hole and the inside of the threaded sleeve by using a straight screw, and fixing the upper shear wall above the lower shear wall; and (7) finally, leveling the reserved nut reserved groove by using mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471390.3A CN110067321B (en) | 2019-05-31 | 2019-05-31 | Flexible connecting device for assembled shear wall and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471390.3A CN110067321B (en) | 2019-05-31 | 2019-05-31 | Flexible connecting device for assembled shear wall and construction method thereof |
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| Publication Number | Publication Date |
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| CN110067321A CN110067321A (en) | 2019-07-30 |
| CN110067321B true CN110067321B (en) | 2023-10-10 |
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| CN201910471390.3A Active CN110067321B (en) | 2019-05-31 | 2019-05-31 | Flexible connecting device for assembled shear wall and construction method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114277965B (en) * | 2022-01-04 | 2024-02-20 | 博华工程技术有限公司 | Building frame adopting heat-insulating wall and construction process thereof |
| CN114382185A (en) * | 2022-01-25 | 2022-04-22 | 华南理工大学建筑设计研究院有限公司 | Waterproof construction of horizontal seam crossing of prefabricated outer wall of assembled |
| CN114962795B (en) * | 2022-05-10 | 2024-05-14 | 洛阳城市建设勘察设计院有限公司 | Quick connection structure and method for water supply and drainage pipelines of prefabricated components |
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| CN203961054U (en) * | 2014-07-03 | 2014-11-26 | 天津大学建筑设计研究院 | A kind of combined connecting structure of fabricated shear wall plate |
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| CN210151995U (en) * | 2019-05-31 | 2020-03-17 | 福建工程学院 | Assembled shear force wall flexible connection device |
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2019
- 2019-05-31 CN CN201910471390.3A patent/CN110067321B/en active Active
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| KR101327388B1 (en) * | 2013-07-17 | 2013-11-08 | 정택동 | The pc wall for water-storage tank of assembly type and method for constructing thereof |
| CN203961054U (en) * | 2014-07-03 | 2014-11-26 | 天津大学建筑设计研究院 | A kind of combined connecting structure of fabricated shear wall plate |
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| CN110067321A (en) | 2019-07-30 |
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