CN112695923A - Prefabricated concrete composite door wall based on PBL connection - Google Patents
Prefabricated concrete composite door wall based on PBL connection Download PDFInfo
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- CN112695923A CN112695923A CN202110018805.9A CN202110018805A CN112695923A CN 112695923 A CN112695923 A CN 112695923A CN 202110018805 A CN202110018805 A CN 202110018805A CN 112695923 A CN112695923 A CN 112695923A
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- 239000004567 concrete Substances 0.000 title claims abstract description 62
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000007306 turnover Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000011178 precast concrete Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 210000000265 leukocyte Anatomy 0.000 description 11
- 238000009413 insulation Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a prefabricated concrete composite door wall based on PBL connection, which comprises a transverse door type shear wall and a longitudinal shear wall connected with the transverse door type shear wall; the transverse portal type shear wall and the longitudinal shear wall are arranged vertically. The invention has the beneficial effects that: the shear wall components are prefabricated in an industrial mode, dry connecting nodes based on PBL are adopted in all connecting positions, the connecting ductility is good, the bearing capacity is large, the anti-seismic performance is good, on-site wet operation is completely abandoned, the installation is simple and rapid, and the advantages of resource saving, environment protection and pollution reduction of the assembly type building technology are exerted to the maximum extent; the concrete material is adopted, so that the durability is good, the installation is convenient, the turnover is realized, and the construction method is suitable for projects with longer construction period and high requirements on the durability of temporary engineering rooms; the central part of the wall body is treated in a lightening way, so that the turnover cost is reduced.
Description
Technical Field
The invention relates to a composite shear wall, in particular to a prefabricated concrete composite door wall based on PBL connection, and belongs to the technical field of building engineering application.
Background
At present, the multi-story high-rise steel structure residential building technology is concerned by the building industry. The steel structure house has high assembly rate, is green, efficient and environment-friendly, and is beneficial to promoting house industrialization and building green house buildings. However, the steel column used in the traditional steel structure house has a large section, so that the corner of the column body protrudes into the house, the integrity and the applicability of an indoor space are damaged, the assembled steel structure and the assembled wood structure have the advantage of convenient assembly on a structural system, and the development of the steel column is limited by the obvious defects of high manufacturing cost, poor durability, poor waterproof and fireproof performances and high later maintenance cost. Aiming at projects with long construction periods, the durability of the existing steel structure temporary building can not meet the requirements.
For the middle-low-rise fabricated building, the concrete composite shear wall system has certain advantages, and the concrete composite door wall is used as one of the concrete composite shear wall systems. The construction connection has the following two problems:
1. the structure node connection process is generally complex, the components have various connecting seams and a large number of nodes, the connection mode is a wet connection mode which is usually realized by grouting sleeves or arranging post-cast strips, the appearance and the installation convenience of the components are seriously influenced, and more difficulties are brought to design and construction.
2. The shear wall component is heavy in weight and high in component transportation cost.
Based on this, this application proposes a precast concrete composite door wall based on PBL connects.
Disclosure of Invention
The present invention aims to solve the problems and provide a prefabricated concrete composite door wall based on PBL connection.
The invention realizes the purpose through the following technical scheme: a prefabricated concrete composite door wall based on PBL connection comprises a transverse door type shear wall and a longitudinal shear wall connected with the transverse door type shear wall; the transverse portal type shear wall and the longitudinal shear wall are vertically arranged;
the transverse portal type shear wall is connected with the longitudinal shear wall positioned on the inner side through an inner longitudinal shear wall embedded part, and the transverse portal type shear wall is connected with the longitudinal shear wall positioned on the outer side through a peripheral longitudinal shear wall embedded part;
the transverse door type shear wall and the longitudinal shear wall are connected with the upper ring beam through a wall-upper ring beam embedded part, and the transverse door type shear wall and the longitudinal shear wall are connected with the lower ring beam through a wall-lower ring beam embedded part;
the transverse portal type shear wall comprises a portal type shear wall pouring common concrete part, a portal type shear wall pouring lightweight concrete part and a key groove, the portal type shear wall pouring common concrete part is poured on the peripheral part of the transverse portal type shear wall, the portal type shear wall pouring lightweight concrete part is poured on the hollow part of the portal type shear wall pouring common concrete part, and the key groove is arranged on the contact surface of the portal type shear wall pouring common concrete part and the portal type shear wall pouring lightweight concrete part;
the inner longitudinal shear wall embedded part comprises an inner longitudinal shear wall embedded part internal thread hole, inner longitudinal shear wall embedded part side wing plates and inner longitudinal shear wall embedded part holes, the two inner longitudinal shear wall embedded part side wing plates penetrate through the inner longitudinal shear wall embedded part internal thread hole to be welded, and the inner longitudinal shear wall embedded part holes are formed in the inner longitudinal shear wall embedded part side wing plates;
the wall-upper ring beam embedded part and the wall-lower ring beam embedded part are the same in structure and are respectively composed of an embedded part top plate, an embedded part side wing plate, an embedded part internal thread steel pipe, an embedded part steel pipe and a side wing plate rib plate, wherein the embedded part side wing plate is connected to two sides of the embedded part top plate in an inclined manner, the embedded part internal thread steel pipe is connected to the lower plate surface of the embedded part top plate, the embedded part internal thread steel pipe is connected with the embedded part side wing plate through the embedded part steel pipe, the embedded part internal thread steel pipe is internally provided with an embedded part internal thread, and the embedded part side wing plate is provided with an embedded part side wing plate hole;
the transverse portal type shear wall embedded part comprises a transverse portal type shear wall embedded part top plate and transverse portal type shear wall embedded part side wing plates, wherein two sides of the transverse portal type shear wall embedded part top plate are connected with the transverse portal type shear wall embedded part side wing plates in an inclined shape, transverse portal type shear wall embedded part bolt holes are formed in the transverse portal type shear wall embedded part top plate, and transverse portal type shear wall embedded part side wing plate holes are formed in the transverse portal type shear wall embedded part side wing plates;
the peripheral longitudinal shear wall embedded part comprises a peripheral longitudinal shear wall embedded part internal thread hole, peripheral longitudinal shear wall embedded part side wing plates and peripheral longitudinal shear wall embedded part holes, the two peripheral longitudinal shear wall embedded part side wing plates penetrate through the peripheral longitudinal shear wall embedded part internal thread hole to be welded, one side of each peripheral longitudinal shear wall embedded part side wing plate is aligned with the peripheral longitudinal shear wall embedded part internal thread hole, and the peripheral longitudinal shear wall embedded part holes are formed in the peripheral longitudinal shear wall embedded part side wing plates.
As a still further scheme of the invention: and the transverse portal type shear wall is provided with a wall connection operating hand hole at the joint of the embedded parts.
As a still further scheme of the invention: a common concrete reinforcement cage is arranged in the common concrete pouring part of the door type shear wall and consists of annular stirrups and vertical longitudinal reinforcements.
As a still further scheme of the invention: and a lightweight concrete reinforcing mesh is arranged in the lightweight concrete pouring part of the door type shear wall.
As a still further scheme of the invention: the transverse portal type shear wall and the longitudinal shear wall connected with the transverse portal type shear wall are all prefabricated in an industrial mode.
As a still further scheme of the invention: and the connecting nodes between the transverse portal type shear walls and the longitudinal shear walls are connected in a dry mode through high-strength bolts.
As a still further scheme of the invention: the transverse portal type shear wall and the longitudinal shear wall are both made of precast concrete based on PBL connection.
As a still further scheme of the invention: the transverse portal type shear wall and the longitudinal shear wall can be used in a turnover mode.
The invention has the beneficial effects that: the prefabricated concrete composite door wall based on the PBL connection is reasonable in design, PBLs are pre-embedded in the transverse door type shear wall and the longitudinal shear wall, the stress performance is good, the prefabricated concrete composite door wall is suitable for projects with long construction periods and high requirements for the durability of temporary rooms of the projects, the transverse door type shear wall and the longitudinal shear wall are all dry-type connection nodes, on-site wet operation is completely abandoned, the installation is simple and rapid, and the advantages of resource saving, environment protection and pollution reduction of an assembly type building technology are exerted to the maximum extent; the method of secondary pouring is adopted when the member is manufactured, the edge position is made of common concrete materials, after the edge position is initially set, lightweight concrete is poured in the middle hollow part by taking the edge position as a template, the turnover cost is reduced, and meanwhile, the comfort level is improved by means of the characteristics of heat preservation, heat insulation, sound insulation, fire resistance and the like of the lightweight concrete.
Drawings
FIG. 1 is a schematic view of a transverse portal shear wall structure and connection to a vertical wall according to the present invention;
FIG. 2 is a schematic cross-sectional view of a transverse portal shear wall according to the present invention;
FIG. 3 is a schematic view of the structure of an embedded part of an inboard longitudinal shear wall according to the present invention;
FIG. 4 is a schematic view of a wall-upper ring beam embedded part structure according to the present invention;
FIG. 5 is a schematic view of a transverse portal shear wall embedment structure of the present invention;
FIG. 6 is a schematic view of a peripheral longitudinal shear wall embedment structure of the present invention.
In the figure: 1. transverse portal shear wall, 101, portal shear wall, common concrete part, 102, portal shear wall, lightweight concrete part, 103, key slot, 2, longitudinal shear wall, 3, inner longitudinal shear wall embedded part, 4, wall-upper ring beam embedded part, 5, wall-lower ring beam embedded part, 6, transverse portal shear wall embedded part, 7, wall connection operation hand hole, 8, peripheral longitudinal shear wall embedded part, 9, common concrete reinforcement cage, 10, lightweight concrete reinforcement net, 301, inner longitudinal shear wall embedded part internal thread hole, 302, inner longitudinal shear wall embedded part side wing plate, 303, inner longitudinal shear wall embedded part hole, 401, embedded part top plate, 402, embedded part side wing plate, 403, embedded part internal thread steel pipe, 404, embedded part internal thread, 405, embedded part side wing plate hole, 406, embedded part steel pipe and side wing plate, 601. the shear wall comprises a transverse portal type shear wall embedded part top plate, 602, transverse portal type shear wall embedded part bolt holes, 603, transverse portal type shear wall embedded part side wing plates, 604, transverse portal type shear wall embedded part side wing plate holes, 801, peripheral longitudinal shear wall embedded part internal thread holes, 802, peripheral longitudinal shear wall embedded part side wing plates, 803 and peripheral longitudinal shear wall embedded part holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, a prefabricated concrete composite door wall based on PBL connection includes a transverse door type shear wall 1 and a longitudinal shear wall 2 connected thereto; the transverse portal type shear wall 1 and the longitudinal shear wall 2 are vertically arranged;
the transverse portal type shear wall 1 is connected with the longitudinal shear wall 2 positioned on the inner side through an inner longitudinal shear wall embedded part 3, and the transverse portal type shear wall 1 is connected with the longitudinal shear wall 2 positioned on the outer side through a peripheral longitudinal shear wall embedded part 8;
the transverse door type shear wall 1 is provided with a door, the transverse door type shear wall 1 and the longitudinal shear wall 2 are connected with an upper ring beam through a wall-upper ring beam embedded part 4, and the transverse door type shear wall 1 and the longitudinal shear wall 2 are connected with a lower ring beam through a wall-lower ring beam embedded part 5;
the transverse portal type shear wall 1 comprises a portal type shear wall pouring common concrete part 101, a portal type shear wall pouring lightweight concrete part 102 and a key groove 103, the portal type shear wall pouring common concrete part 101 is poured on the peripheral part of the transverse portal type shear wall 1, the portal type shear wall pouring lightweight concrete part 102 is poured on the hollow part of the portal type shear wall pouring common concrete part 101, and the key groove 103 is arranged on the contact surface of the portal type shear wall pouring common concrete part 101 and the portal type shear wall pouring lightweight concrete part 102;
the inner longitudinal shear wall embedded part 3 comprises an inner longitudinal shear wall embedded part internal thread hole 301, inner longitudinal shear wall embedded part side wing plates 302 and inner longitudinal shear wall embedded part holes 303, wherein the two inner longitudinal shear wall embedded part side wing plates 302 penetrate through the inner longitudinal shear wall embedded part internal thread hole 301 to be welded, and the inner longitudinal shear wall embedded part holes 303 are formed in the inner longitudinal shear wall embedded part side wing plates 302;
the wall-upper ring beam embedded part 4 and the wall-lower ring beam embedded part 5 are identical in structure and are composed of an embedded part top plate 401, an embedded part side wing plate 402, an embedded part internal thread steel pipe 403, an embedded part steel pipe and side wing plate rib plate 406, wherein the embedded part side wing plate 402 is obliquely connected to two sides of the embedded part top plate 401, the embedded part internal thread steel pipe 403 is connected to the lower plate surface of the embedded part top plate 401, the embedded part internal thread steel pipe 403 and the embedded part side wing plate 402 are connected through the embedded part steel pipe and the side wing plate rib plate 406, an embedded part internal thread 404 is arranged in the embedded part internal thread steel pipe 403, and an embedded part side wing plate hole 405 is formed in the embedded part side wing plate 402;
the transverse portal type shear wall embedded part 6 comprises a transverse portal type shear wall embedded part top plate 601 and transverse portal type shear wall embedded part side wing plates 603, two sides of the transverse portal type shear wall embedded part top plate 601 are connected with the transverse portal type shear wall embedded part side wing plates 603 in an inclined shape, transverse portal type shear wall embedded part bolt holes 602 are formed in the transverse portal type shear wall embedded part top plate 601, and transverse portal type shear wall embedded part side wing plate holes 604 are formed in the transverse portal type shear wall embedded part side wing plates 603;
the peripheral longitudinal shear wall embedded part 8 comprises a peripheral longitudinal shear wall embedded part internal thread hole 801, peripheral longitudinal shear wall embedded part side wing plates 802 and peripheral longitudinal shear wall embedded part holes 803, wherein the two peripheral longitudinal shear wall embedded part side wing plates 802 penetrate through the peripheral longitudinal shear wall embedded part internal thread hole 801 to be welded, one side of each peripheral longitudinal shear wall embedded part side wing plate 802 is aligned with the peripheral longitudinal shear wall embedded part internal thread hole 801, and the peripheral longitudinal shear wall embedded part holes 803 are formed in the peripheral longitudinal shear wall embedded part side wing plates 802.
Further, in the embodiment of the invention, the transverse door type shear wall 1 is provided with a wall connection operating hand hole 7 at the connection position of the embedded part, so that the operation and the connection are convenient.
Further, in the embodiment of the invention, a common concrete reinforcement cage 9 is arranged in the door-type shear wall common concrete pouring part 101, and the common concrete reinforcement cage 9 is composed of annular stirrups and vertical longitudinal reinforcements.
Furthermore, in the embodiment of the invention, the lightweight concrete reinforcing mesh 10 is arranged in the lightweight concrete part 102 for pouring the door-type shear wall, so that the transportation cost in the system turnover process is greatly reduced, and meanwhile, the comfort level is improved by virtue of the characteristics of heat preservation, heat insulation, sound insulation, fire resistance and the like of the lightweight concrete, and compared with the common steel structure house used in middle and low-rise buildings, the lightweight concrete shear wall has better durability and comfort level.
Further, in the embodiment of the invention, the transverse portal type shear wall 1 and the longitudinal shear wall 2 connected with the transverse portal type shear wall are prefabricated in an industrial manner, so that the field installation and construction are facilitated, and the construction efficiency is improved.
Furthermore, in the embodiment of the invention, the connecting nodes between the transverse door type shear wall 1 and the longitudinal shear wall 2 are in dry connection by adopting high-strength bolts, so that on-site wet operation is completely abandoned, the installation is simple and rapid, and the assembled building technology is exerted to the maximum extent, so that resources are saved.
Further, in the embodiment of the invention, the transverse portal type shear wall 1 and the longitudinal shear wall 2 are both made of precast concrete based on PBL connection, and the stress performance is good.
Further, in the embodiment of the invention, the transverse portal type shear wall 1 and the longitudinal shear wall 2 can be used in a turnover manner, and can be repeatedly used, so that resources are saved.
The working principle is as follows: when the prefabricated concrete composite door wall based on PBL connection is used, firstly, a composite shear wall is manufactured, a common concrete part is poured, then a lightweight concrete part is poured, and a joint surface key groove is formed in the contact surface of the lightweight concrete part and the composite shear wall; during construction, the transverse portal type shear wall 1 and the longitudinal shear wall 2 are connected with the lower ring beam through the wall-lower ring beam embedded part 5, the transverse portal type shear wall 1 and the longitudinal shear wall 2 are connected together through the longitudinal shear wall embedded part 3, a door is arranged on the transverse portal type shear wall 1, and finally the transverse portal type shear wall 1 and the longitudinal shear wall 2 are connected with the upper ring beam through the wall-upper ring beam embedded part 4.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A prefabricated concrete composite door wall based on PBL connection comprises a transverse door type shear wall (1) and a longitudinal shear wall (2) connected with the transverse door type shear wall; the method is characterized in that: the transverse door type shear wall (1) and the longitudinal shear wall (2) are vertically arranged;
the transverse portal type shear wall (1) is connected with the longitudinal shear wall (2) positioned on the inner side through an inner longitudinal shear wall embedded part (3), and the transverse portal type shear wall (1) is connected with the longitudinal shear wall (2) positioned on the outer side through a peripheral longitudinal shear wall embedded part (8);
the transverse door type shear wall (1) is provided with a door, the transverse door type shear wall (1) and the longitudinal shear wall (2) are connected with an upper ring beam through a wall-upper ring beam embedded part (4), and the transverse door type shear wall (1) and the longitudinal shear wall (2) are connected with a lower ring beam through a wall-lower ring beam embedded part (5);
the transverse portal type shear wall (1) comprises a portal type shear wall pouring common concrete part (101), a portal type shear wall pouring lightweight concrete part (102) and a key groove (103), the portal type shear wall pouring common concrete part (101) is poured on the peripheral part of the transverse portal type shear wall (1), the portal type shear wall pouring lightweight concrete part (102) is poured on the hollow part of the portal type shear wall pouring common concrete part (101), and the key groove (103) is arranged on the contact surface of the portal type shear wall pouring common concrete part (101) and the portal type shear wall pouring lightweight concrete part (102);
the inner longitudinal shear wall embedded part (3) comprises an inner longitudinal shear wall embedded part internal thread hole (301), inner longitudinal shear wall embedded part side wing plates (302) and inner longitudinal shear wall embedded part holes (303), the two inner longitudinal shear wall embedded part side wing plates (302) penetrate through the inner longitudinal shear wall embedded part internal thread hole (301) to be welded, and the inner longitudinal shear wall embedded part holes (303) are formed in the inner longitudinal shear wall embedded part side wing plates (302);
the wall-upper ring beam embedded part (4) and the wall-lower ring beam embedded part (5) are identical in structure and are composed of an embedded part top plate (401), an embedded part side wing plate (402), an embedded part internal thread steel pipe (403) and embedded part steel pipe and side wing plate rib plates (406), the embedded part side wing plate (402) is connected to two sides of the embedded part top plate (401) in an inclined mode, the embedded part internal thread steel pipe (403) is connected to the lower plate surface of the embedded part top plate (401), the embedded part internal thread steel pipe (403) and the embedded part side wing plate (402) are connected through the embedded part steel pipe and the side wing plate rib plates (406), an embedded part internal thread (404) is arranged in the embedded part internal thread steel pipe (403), and an embedded part side wing plate hole (405) is formed in the embedded part side wing plate (402);
the transverse portal type shear wall embedded part (6) comprises a transverse portal type shear wall embedded part top plate (601) and transverse portal type shear wall embedded part side wing plates (603), two sides of the transverse portal type shear wall embedded part top plate (601) are connected with the inclined transverse portal type shear wall embedded part side wing plates (603), a transverse portal type shear wall embedded part bolt hole (602) is formed in the transverse portal type shear wall embedded part top plate (601), and a transverse portal type shear wall embedded part side wing plate hole (604) is formed in each transverse portal type shear wall embedded part side wing plate (603);
the peripheral longitudinal shear wall embedded part (8) comprises a peripheral longitudinal shear wall embedded part internal thread hole (801), peripheral longitudinal shear wall embedded part side wing plates (802) and peripheral longitudinal shear wall embedded part holes (803), the two peripheral longitudinal shear wall embedded part side wing plates (802) penetrate through the peripheral longitudinal shear wall embedded part internal thread hole (801) to be welded, one side of each peripheral longitudinal shear wall embedded part side wing plate is aligned with the peripheral longitudinal shear wall embedded part internal thread hole (801), and the peripheral longitudinal shear wall embedded part holes (803) are formed in the peripheral longitudinal shear wall embedded part side wing plates (802).
2. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: and the transverse door type shear wall (1) is provided with a wall connection operating hand hole (7) at the joint of the embedded parts.
3. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: a common concrete reinforcement cage (9) is arranged in the common concrete pouring part (101) of the door-type shear wall, and the common concrete reinforcement cage (9) is composed of annular stirrups and vertical longitudinal reinforcements.
4. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: and a lightweight concrete reinforcing mesh (10) is arranged in the lightweight concrete pouring part (102) of the door-type shear wall.
5. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: the transverse portal type shear wall (1) and the longitudinal shear wall (2) connected with the transverse portal type shear wall are all prefabricated in an industrial mode.
6. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: and the connecting nodes between the transverse portal type shear wall (1) and the longitudinal shear wall (2) are in dry connection by adopting high-strength bolts.
7. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: the transverse portal type shear wall (1) and the longitudinal shear wall (2) are both made of precast concrete based on PBL connection.
8. The precast concrete composite door wall based on PBL connection according to claim 1, characterized in that: the transverse portal type shear wall (1) and the longitudinal shear wall (2) can be used in a turnover mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110018805.9A CN112695923A (en) | 2021-01-07 | 2021-01-07 | Prefabricated concrete composite door wall based on PBL connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110018805.9A CN112695923A (en) | 2021-01-07 | 2021-01-07 | Prefabricated concrete composite door wall based on PBL connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112695923A true CN112695923A (en) | 2021-04-23 |
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ID=75515045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110018805.9A Withdrawn CN112695923A (en) | 2021-01-07 | 2021-01-07 | Prefabricated concrete composite door wall based on PBL connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112695923A (en) |
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2021
- 2021-01-07 CN CN202110018805.9A patent/CN112695923A/en not_active Withdrawn
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Application publication date: 20210423 |
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