CN109457840B - Prefabricated assembled energy consumption shear wall-column horizontal connection structure and construction method thereof - Google Patents
Prefabricated assembled energy consumption shear wall-column horizontal connection structure and construction method thereof Download PDFInfo
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- CN109457840B CN109457840B CN201811561003.7A CN201811561003A CN109457840B CN 109457840 B CN109457840 B CN 109457840B CN 201811561003 A CN201811561003 A CN 201811561003A CN 109457840 B CN109457840 B CN 109457840B
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 80
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 230000002787 reinforcement Effects 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A prefabricated energy-consumption shear wall-column horizontal connection structure and a construction method thereof belong to the technical field of constructional engineering. The utility model provides a prefabricated power consumption shear force wall-post horizontal connection structure, includes post and shear force wall, the post is vertical to be set up, the shear force wall sets up in one side of post, and reserves between post and the shear force wall has the vertical joint, the post is provided with a plurality of post mild steel attenuator connectors, the shear force wall is provided with a plurality of shear force wall mild steel attenuator connectors that correspond with post mild steel attenuator connector, post and shear force wall pass through post mild steel attenuator connector and shear force wall mild steel attenuator connector connection, prefabricated assembly power consumption shear force wall-post horizontal connection structure's construction method includes: step one, prefabricating a column; prefabricating the shear wall; and thirdly, connecting the prefabricated column and the prefabricated shear wall. The prefabricated energy-consumption shear wall-column horizontal connection structure and the construction method thereof are suitable for industrial production, convenient to construct and capable of improving the earthquake resistance.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a prefabricated energy-consumption shear wall-column horizontal connection structure and a construction method thereof.
Background
The prefabricated assembly structure has the characteristics of high construction speed, energy conservation, environmental protection and the like, meets the requirements of building industrialization and industrialization in China, and is a green building with accepted sustainable development.
The common horizontal connection construction method of the prefabricated shear wall-column component comprises the following steps: and (3) supporting a formwork at the joint, pouring concrete, pouring reserved reinforcing steel bars in a lap joint mode, welding reserved steel plates in a lap joint mode and the like. The connecting methods solve the connecting problem of the prefabricated structural components in the horizontal direction to a certain extent, but have the defects of steel bar collision, high construction difficulty and the like.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art that the horizontal collision of the assembled shear wall-column to the connecting node steel bars, the construction difficulty is high, the anti-seismic performance is difficult to guarantee and the like, and provides a prefabricated assembled energy-consumption shear wall-column horizontal connecting structure and a construction method thereof, which are suitable for industrial production, convenient to construct and capable of improving the anti-seismic performance.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the utility model provides a prefabricated assembled power consumption shear force wall-post horizontal connection structure, includes post and shear force wall, the vertical setting of post, the shear force wall sets up in one side of post, and reserves between post and the shear force wall has the vertical joint, and the post is provided with a plurality of post mild steel attenuator connecting pieces, and the shear force wall is provided with a plurality of shear force wall mild steel attenuator connecting pieces that correspond with post mild steel attenuator connecting piece, and post and shear force wall pass through post mild steel attenuator connecting piece and shear force wall mild steel attenuator connecting piece and connect.
The column mild steel damper connecting piece comprises a first mild steel damper and a first anchor bar, the first mild steel damper is vertically arranged, a plurality of first screw holes are formed in one side, close to the shear wall, of the first mild steel damper, one side, far away from the shear wall, of the first mild steel damper is embedded into the column, the shear wall mild steel damper connecting piece comprises a second mild steel damper and a second anchor bar, the second mild steel damper is vertically arranged, a plurality of second screw holes corresponding to the first screw holes are formed in one side, close to the column, of the second mild steel damper, the corresponding first screw holes and second screw holes are connected through bolts, and one side, far away from the column, of the second mild steel damper is embedded into the shear wall.
A plurality of first anchor bars are distributed on one side surface of a part of the first soft steel damper, which is embedded into the column, at equal intervals, the first soft steel damper is vertically connected with the first anchor bars, a plurality of second anchor bars are distributed on one side of a part of the second soft steel damper, which is embedded into the shear wall, at equal intervals, and the second soft steel damper is vertically connected with the second anchor bars.
And a plurality of oblong through holes are formed in the part of the first mild steel damper which is not embedded in the column and the part of the second mild steel damper which is not embedded in the shear wall.
Every two post mild steel damper connecting pieces use the vertical central line of the terminal surface that the post is close to shear wall one side to set up as symmetry axis symmetry, and first anchor bar sets up relatively, every two shear wall mild steel damper connecting pieces use the vertical central line of the terminal surface that the shear wall is close to post one side to set up as symmetry axis symmetry, and the second anchor bar sets up relatively.
The distance of the reserved vertical joint between the column and the shear wall is 4 cm-5 cm.
The column mild steel damper connecting pieces are respectively arranged at H/4, H/2 and 3H/4 of the column in the height direction, and the shear wall mild steel damper connecting pieces are respectively arranged at L/4, L/2 and 3L/4 of the shear wall in the height direction, wherein H is the height of the column, and L is the height of the shear wall.
The construction method of the prefabricated energy-consumption shear wall-column horizontal connection structure comprises the following steps:
prefabricating a column, binding a reinforcement cage of the column, binding a first soft steel damper and the reinforcement cage of the column at the same time, binding a first anchor bar on the reinforcement cage of the column, supporting a column template outside the reinforcement cage of the column, and pouring concrete to form a prefabricated column;
prefabricating the shear wall, binding a reinforcement cage of the shear wall, binding a second soft steel damper and the reinforcement cage of the shear wall at the same time, binding a second anchor bar on the reinforcement cage of the shear wall, supporting a shear wall template outside the reinforcement cage of the shear wall, and pouring concrete to form the prefabricated shear wall;
and thirdly, connecting the precast column and the precast shear wall, firstly installing the precast column and the precast shear wall in place, aligning the first screw hole and the second screw hole which are correspondingly arranged, then penetrating bolts through the first screw hole and the second screw hole, and fixing the bolts through nuts to finish the assembly of the precast column and the precast shear wall.
The invention has the beneficial effects that:
the prefabricated assembled energy-consumption shear wall-column horizontal connection structure and the construction method thereof adopt dry connection, are simple to operate and convenient to construct, and can improve the construction efficiency; the connecting piece of the column and the shear wall adopts a soft steel damper connecting piece, so that the connecting strength and the rigidity of the structure are ensured, and meanwhile, the connecting piece has good energy consumption capability; oblong through holes are respectively formed in the first mild steel damper and the second mild steel damper so as to improve the energy consumption capacity of the mild steel dampers.
Drawings
FIG. 1 is a schematic structural view of a prefabricated energy-dissipating shear wall-column horizontal connection structure provided by the invention;
FIG. 2 is a front view of a prefabricated energy-dissipating shear wall-column horizontal connection structure provided by the invention;
FIG. 3 is a top view of a prefabricated energy dissipating shear wall-column horizontal connection structure provided by the present invention;
FIG. 4 is a schematic illustration of a column mild steel damper connector and shear wall mild steel damper connector connection provided by the present invention;
fig. 5 is a split view of fig. 4 in accordance with the present invention.
Wherein,
1-column, 2-shear wall, 3-column mild steel damper connecting piece, 4-shear wall mild steel damper connecting piece, 5-first mild steel damper, 6-first anchor bar, 7-second mild steel damper, 8-second anchor bar, 9-bolt, 10-nut, 11-first screw hole, 12-second screw hole, 13-oblong through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "one side", "the other side", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "configured with," "connected," and the like, are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In order to solve the problems in the prior art, as shown in fig. 1 to 5, the invention provides a prefabricated assembled energy-consumption shear wall-column horizontal connection structure, which comprises a column 1 and a shear wall 2, wherein the column 1 is vertically arranged, the shear wall 2 is arranged on one side of the column 1, a vertical seam is reserved between the column 1 and the shear wall 2, the column 1 is provided with a plurality of column mild steel damper connecting pieces 3, the shear wall 2 is provided with a plurality of shear wall mild steel damper connecting pieces 4 corresponding to the column mild steel damper connecting pieces 3, and the column 1 and the shear wall 2 are connected through the column mild steel damper connecting pieces 3 and the shear wall mild steel damper connecting pieces 4.
In this embodiment, as shown in fig. 1 to 3, the column 1 and the shear wall 2 are connected through the column mild steel damper connector 3 and the shear wall mild steel damper connector 4, and the column mild steel damper connector 3 and the shear wall mild steel damper connector 4 can be used as connectors of the shear wall 2 and the column 1, and can also help the main structure to effectively dissipate seismic energy and reduce damage of the main structure.
The column soft steel damper connecting piece 3 comprises a first soft steel damper 5 and a first anchor bar 6, the first soft steel damper 5 is vertically arranged, one side, close to the shear wall 2, of the first soft steel damper 5 is provided with a plurality of first screw holes 11, one side, far away from the shear wall 2, of the first soft steel damper 5 is embedded into the column 1, the shear wall soft steel damper connecting piece 4 comprises a second soft steel damper 7 and a second anchor bar 8, the second soft steel damper 7 is vertically arranged, one side, close to the column 1, of the second soft steel damper 7 is provided with a plurality of second screw holes 12 corresponding to the first screw holes 11, the corresponding first screw holes 11 and second screw holes 12 are connected through bolts 9, and one side, far away from the column 1, of the second soft steel damper 7 is embedded into the shear wall 2. A plurality of first anchor bars 6 are distributed on one side surface of a part of the first soft steel damper 5 embedded into the column 1 at equal intervals, the first soft steel damper 5 is vertically connected with the first anchor bars 6, a plurality of second anchor bars 8 are distributed on one side of a part of the second soft steel damper 7 embedded into the shear wall 2 at equal intervals, and the second soft steel damper 7 is vertically connected with the second anchor bars 8. A plurality of oblong through holes 13 are formed in the portion of the first mild steel damper 5 which is not embedded in the column 1 and the portion of the second mild steel damper 7 which is not embedded in the shear wall 2. In the present embodiment, as shown in fig. 4 and 5, each first soft steel damper 5 is provided with 4 first screw holes 11, two of which are upper and two of which are lower, and each second soft steel damper 7 is provided with 4 second screw holes 12, two of which are upper and two of which are lower; a plurality of first anchor bars 6 are uniformly distributed on one side surface of a part of the first soft steel damper 5 which is embedded into the column 1 at equal intervals, and a plurality of second anchor bars 8 are uniformly distributed on one side of a part of the second soft steel damper 7 which is embedded into the shear wall 2 at equal intervals; the first soft steel damper 5 and the second soft steel damper 7 are respectively provided with two oblong through holes 13 which are arranged side by side, and the oblong through holes 13 are arranged for improving the energy consumption capacity of the soft steel damper.
Every two column mild steel damper connecting pieces 3 are symmetrically arranged by taking the vertical central line of the end face of the column 1, which is close to one side of the shear wall 2, as a symmetrical axis, and the first anchor bars 6 are oppositely arranged, every two column mild steel damper connecting pieces 4 are symmetrically arranged by taking the vertical central line of the end face of the shear wall 2, which is close to one side of the column 1, as a symmetrical axis, and the second anchor bars 8 are oppositely arranged. In this embodiment, as shown in fig. 1 and 3, the column mild steel damper connector 3 and the shear wall mild steel damper connector 4 are all soft steel dampers, so that the energy consumption capability is good, and the connection mode of the column 1 and the shear wall 2 is dry connection, so that the construction is easy. The vertical center line of the end face of the column 1, which is close to one side of the shear wall 2, is used as a symmetrical axis to symmetrically arrange two column mild steel damper connecting pieces 3 to form a group of column mild steel damper connecting piece assemblies, the vertical center line of the end face of the shear wall 2, which is close to one side of the column 1, is used as a symmetrical axis to symmetrically arrange two shear wall mild steel damper connecting pieces 4 to form a group of shear wall mild steel damper connecting piece assemblies, the column mild steel damper connecting pieces 3 assemblies corresponding to the positions are connected with the shear wall mild steel damper connecting piece assemblies, and the prefabricated assembled energy-consuming shear wall-column horizontal connecting structure vertically arranges a plurality of groups of column mild steel damper connecting piece assemblies and shear wall mild steel damper connecting piece assemblies which are correspondingly connected.
As shown in fig. 1 to 3, the distance of the reserved vertical joint between the column 1 and the shear wall 2 is 4 cm-5 cm. The column mild steel damper connecting pieces 3 are respectively arranged at H/4, H/2 and 3H/4 of the column 1 in the height direction, and the shear wall mild steel damper connecting pieces 4 are respectively arranged at L/4, L/2 and 3L/4 of the shear wall 2 in the height direction, wherein H is the height of the column 1, and L is the height of the shear wall 2. In this embodiment, the height of the column 1 is equal to the height of the shear wall 2. The excessive vertical joint distance can cause the unobvious energy consumption effect of the damper, and the damper can be ensured to have obvious energy consumption effect only in a proper distance. The purpose of arranging a plurality of dampers between the shear wall 2 and the column 1 is to ensure the connection strength and rigidity of the structure, increase the energy consumption effect, and have the best energy consumption effect according to the height arrangement in the embodiment.
The construction method of the prefabricated energy-consumption shear wall-column horizontal connection structure comprises the following steps:
prefabricating a column 1, binding a reinforcement cage of the column 1, binding a first mild steel damper 5 and the reinforcement cage of the column 1 at the same time, binding a first anchor bar 6 on the reinforcement cage of the column 1, supporting a column template outside the reinforcement cage of the column 1, and pouring concrete to form a prefabricated column;
prefabricating the shear wall 2, binding reinforcement cages of the shear wall 2, binding a second soft steel damper 7 and the reinforcement cages of the shear wall 2 at the same time, binding a second anchor bar 8 on the reinforcement cages of the shear wall 2, supporting a shear wall template outside the reinforcement cages of the shear wall 2, and pouring concrete to form a prefabricated shear wall;
and thirdly, connecting the prefabricated column and the prefabricated shear wall, firstly installing the prefabricated column and the prefabricated shear wall in place, aligning the first screw hole 11 with the second screw hole 12 which are correspondingly arranged, then penetrating the bolt 9 through the first screw hole 11 and the second screw hole 12, and fixing through the nut 10 to finish the assembly of the prefabricated column and the prefabricated shear wall.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The prefabricated assembled energy consumption shear wall-column horizontal connection structure is characterized by comprising columns and shear walls, wherein the columns are vertically arranged, the shear walls are arranged on one sides of the columns, vertical gaps are reserved between the columns and the shear walls, a plurality of column mild steel damper connecting pieces are arranged on the columns, a plurality of shear wall mild steel damper connecting pieces corresponding to the column mild steel damper connecting pieces are arranged on the shear walls, and the columns and the shear walls are connected through the column mild steel damper connecting pieces and the shear wall mild steel damper connecting pieces;
the column mild steel damper connecting piece comprises a first mild steel damper and a first anchor bar, the first mild steel damper is vertically arranged, one side, close to the shear wall, of the first mild steel damper is provided with a plurality of first screw holes, one side, far away from the shear wall, of the first mild steel damper is embedded into the column, the shear wall mild steel damper connecting piece comprises a second mild steel damper and a second anchor bar, the second mild steel damper is vertically arranged, one side, close to the column, of the second mild steel damper is provided with a plurality of second screw holes corresponding to the first screw holes, the corresponding first screw holes and second screw holes are connected through bolts, and one side, far away from the column, of the second mild steel damper is embedded into the shear wall;
a plurality of oblong through holes are formed in the part of the first soft steel damper which is not embedded in the column and the part of the second soft steel damper which is not embedded in the shear wall;
a plurality of first anchor bars are distributed on one side surface of a part of the first soft steel damper, which is embedded into the column, at equal intervals, the first soft steel damper is vertically connected with the first anchor bars, a plurality of second anchor bars are distributed on one side of a part of the second soft steel damper, which is embedded into the shear wall, at equal intervals, and the second soft steel damper is vertically connected with the second anchor bars.
2. The prefabricated energy-dissipating shear wall-column horizontal connection structure according to claim 1, wherein each two of the column mild steel damper connection members are symmetrically arranged with respect to a vertical center line of an end face of the column near the shear wall side as a symmetry axis, the first anchor bars are oppositely arranged, each two of the shear wall mild steel damper connection members are symmetrically arranged with respect to a vertical center line of an end face of the shear wall near the column side as a symmetry axis, and the second anchor bars are oppositely arranged.
3. The prefabricated energy-consuming shear wall-column horizontal connection structure according to claim 1, wherein a distance of a reserved vertical joint between the column and the shear wall is 4 cm-5 cm.
4. The prefabricated energy-dissipating shear wall-column horizontal connection structure according to claim 1, wherein the column mild steel damper connectors are installed at H/4, H/2 and 3H/4 in the column height direction, respectively, and the shear wall mild steel damper connectors are installed at L/4, L/2 and 3L/4 in the shear wall height direction, respectively, wherein H is the height of the column and L is the height of the shear wall.
5. The construction method of the prefabricated energy-consuming shear wall-column horizontal connection structure of claim 1, comprising the following steps:
prefabricating a column, binding a reinforcement cage of the column, binding a first soft steel damper and the reinforcement cage of the column at the same time, binding a first anchor bar on the reinforcement cage of the column, supporting a column template outside the reinforcement cage of the column, and pouring concrete to form a prefabricated column;
prefabricating the shear wall, binding a reinforcement cage of the shear wall, binding a second soft steel damper and the reinforcement cage of the shear wall at the same time, binding a second anchor bar on the reinforcement cage of the shear wall, supporting a shear wall template outside the reinforcement cage of the shear wall, and pouring concrete to form the prefabricated shear wall;
and thirdly, connecting the precast column and the precast shear wall, firstly installing the precast column and the precast shear wall in place, aligning the first screw hole and the second screw hole which are correspondingly arranged, then penetrating bolts through the first screw hole and the second screw hole, and fixing the bolts through nuts to finish the assembly of the precast column and the precast shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561003.7A CN109457840B (en) | 2018-12-20 | 2018-12-20 | Prefabricated assembled energy consumption shear wall-column horizontal connection structure and construction method thereof |
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| CN201811561003.7A CN109457840B (en) | 2018-12-20 | 2018-12-20 | Prefabricated assembled energy consumption shear wall-column horizontal connection structure and construction method thereof |
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| CN109457840A CN109457840A (en) | 2019-03-12 |
| CN109457840B true CN109457840B (en) | 2024-02-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195480A (en) * | 2019-05-29 | 2019-09-03 | 武汉理工大学 | Fabricated shear wall vertical connection structure with energy consumption and automatic recovery ability |
| CN110241946B (en) * | 2019-06-20 | 2021-03-16 | 沈阳建筑大学 | Horizontal connection structure of assembled energy-consuming frame shear wall and construction method thereof |
| CN110273466B (en) * | 2019-07-17 | 2020-11-10 | 金点石(北京)建筑设计咨询服务有限责任公司 | Fabricated shear wall and construction method thereof |
| CN110424579B (en) * | 2019-07-30 | 2021-05-11 | 中国建筑第八工程局有限公司 | Frame deformation mode resists assembled concrete shear force wall of macroseism |
| CN110820998B (en) * | 2019-11-19 | 2024-09-24 | 沈阳建筑大学 | Assembled prefabricated shear wall-column energy consumption connection structure and construction method thereof |
| CN113356662B (en) * | 2021-06-08 | 2024-10-18 | 中国建筑第二工程局有限公司 | Soft steel damper installation construction method applied to all-metal steel frame |
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| JP2003090089A (en) * | 2001-09-18 | 2003-03-28 | Shimizu Corp | Boundary beam damper |
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2018
- 2018-12-20 CN CN201811561003.7A patent/CN109457840B/en active Active
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| JP2003090089A (en) * | 2001-09-18 | 2003-03-28 | Shimizu Corp | Boundary beam damper |
| CN205857376U (en) * | 2016-06-27 | 2017-01-04 | 华东建筑设计研究院有限公司 | A kind of novel joint attachment means being applicable to prefabricated concrete structure |
| CN207453146U (en) * | 2017-11-03 | 2018-06-05 | 成都大学 | A kind of attachment device of precast shear wall vertical abutment joint |
| CN108612188A (en) * | 2018-04-28 | 2018-10-02 | 同济大学建筑设计研究院(集团)有限公司 | a kind of assembled self-resetting prestressed concrete frame |
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