CN110792166A - Reinforced assembled beam column joint - Google Patents
Reinforced assembled beam column joint Download PDFInfo
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- CN110792166A CN110792166A CN201911219005.2A CN201911219005A CN110792166A CN 110792166 A CN110792166 A CN 110792166A CN 201911219005 A CN201911219005 A CN 201911219005A CN 110792166 A CN110792166 A CN 110792166A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a reinforced assembled beam-column joint, and belongs to the technical field of buildings. The invention is characterized in that a groove part enclosed by a prefabricated lower column and a prefabricated upper column is matched with a prefabricated beam bulge, a bent reinforcing steel bar at the lower part of the prefabricated beam is embedded into a reinforcing steel bar hole reserved in the lower prefabricated column, a bent reinforcing steel bar at the upper part of the prefabricated beam is embedded into a reinforcing steel bar hole reserved in the prefabricated upper column, a rear beam tensioning hole reserved on the prefabricated beam is matched with the upper column and the lower column, tensioning reinforcing steel bars are reserved from the left and right ends of the column and stretch into the beam for tensioning, the structure is connected into a whole, and fine stone concrete is poured into the reserved reinforcing steel bar hole and the tensioning hole to ensure the stability of the whole. The invention has simple connection structure and high overall stability, can meet the requirement of strong nodes, reinforces the joint of the nodes, is suitable for large-span structures and is suitable for assembly type integration.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a reinforced assembled beam-column joint.
Background
In the past decades, the building industry in China is developing prefabricated assembled types rapidly and is taking place. Since the 50 s of the 20 th century, China has started to introduce an industrial construction mode from the Soviet Union, started to research fabricated concrete buildings, implemented a series of building structure systems, and built a batch of fabricated construction projects in some regions. However, the assembled type development of China is slow due to various influences. At the present stage, due to the implementation of national policies and the development of technologies, the proportion of the assembly type building in the field of buildings is getting larger and larger, and the assembly type building is widely applied to many cities and regions in China.
Although the prefabricated building has been generally accepted in the building industry, there still exist many solutions in the related art, wherein the "strong column, weak beam and weak node" is an urgent problem to be solved. The connection of the node is unstable, the whole is not firm, and the development of a reinforced node is a problem which needs to be solved urgently at the present stage.
Disclosure of Invention
In order to solve the technical problems, the invention provides a reinforced assembly type beam-column node, which is mainly used for developing an assembly type beam-column node which is good in integrity, simple in structure, convenient to connect, safe and reliable, and can effectively solve the problems of difficulty in construction, complex installation, complex construction, long construction period, insecure connection, low stability and the like.
The technical scheme adopted by the invention is as follows:
a reinforced assembled beam-column joint comprises a prefabricated upper column, a prefabricated beam and a prefabricated lower column;
the method is characterized in that: the prefabricated upper column, the prefabricated beam and the prefabricated lower column are all of an integral reinforced concrete structure, longitudinal steel bar connecting grooves are formed in two side faces of the prefabricated upper column, a plurality of upper column longitudinal steel bars are arranged in the prefabricated upper column, the end portions of the upper column longitudinal steel bars are arranged in the longitudinal steel bar connecting grooves, and steel bar holes A are formed in the longitudinal steel bar connecting grooves in the direction of the connecting end portions of the prefabricated upper column to the end faces; the lower end of the prefabricated upper column is provided with an upper column boss A, an upper column boss B, an upper column L groove and a side groove;
the upper end of the prefabricated lower column is provided with a lower column boss A, a lower column boss B and a lower column groove; a plurality of lower column longitudinal steel bars are arranged in the prefabricated lower column, and the end parts of the lower column longitudinal steel bars penetrate through the steel bar holes A and are arranged in the longitudinal steel bar connecting grooves;
the upper column boss A is butted with the lower column groove, the upper column boss B is butted with the lower column boss B, the side surface groove is butted with the lower column boss A, and the upper column L groove and the lower column groove enclose a rectangular beam groove; the upper end and the lower end of the rectangular beam groove are provided with a plurality of steel bar holes B communicated with the bent steel bar grouting port;
the end part of the precast beam is a convex-shaped bulge which is matched and fixed with the rectangular beam groove, two beam tensioning holes are longitudinally arranged in the precast beam, correspond to the upper column tensioning hole and the lower column tensioning hole which are respectively arranged on the upper column boss A and the lower column boss A, and are fixed through an anchorage device;
the beam longitudinal steel bars are arranged inside the precast beam, the beam longitudinal steel bars are bent outwards at the connecting end part of the precast beam to form beam bending steel bars, the bending steel bars are arranged in a staggered mode, and the bending steel bars are arranged in steel bar holes of the rectangular beam groove;
the upper column longitudinal steel bar, the lower column longitudinal steel bar and the beam longitudinal steel bar are bound and fixed through the circumferential steel bars;
furthermore, fine stone mortar is filled in the longitudinal steel bar connecting groove, the beam tensioning hole, the upper column tensioning hole and the lower column tensioning hole.
Further, the lower column longitudinal steel bar and the upper column longitudinal steel bar are fixed through welding.
Furthermore, the tensioning steel bars are arranged inside the upper column tensioning hole, the lower column tensioning hole and the beam tensioning hole, belong to waist bars and are provided with ribs according to structures.
Furthermore, the upper column boss B is a transverse cube, a right angle of the upper column boss B is aligned with a right angle in the lower bottom surface of the prefabricated upper column, and the length of the upper column boss B is smaller than the side length of the prefabricated upper column; the lower bottom surface of the upper column boss B is the bottom surface of the upper column boss B, the inner side surface of the upper column boss B is arranged in the upper column boss B, and the side surface of the upper column boss B is the side surface of the upper column boss B;
the upper column boss A is a vertical cube and is arranged on the lower bottom surface of the prefabricated upper column and closely attached to the inner side surface of the upper column boss B, and the inner side of the upper column boss A is the inner side surface of the upper column boss A;
the prefabricated upper column, the upper column boss A and the upper column boss B are of an integrated structure; an upper column L groove is formed by enclosing the lower bottom surface of the prefabricated upper column, the inner side surface of the upper column boss A and the inner side surface of the upper column boss B; the side surface of the upper column boss B and the lower bottom surface of the prefabricated upper column are encircled to form a side surface groove;
the lower column boss A is a cube, one side surface of the lower column boss A is aligned with the side surface of the prefabricated lower column, two ends of the lower column boss A are aligned with the side surface of the prefabricated lower column, the top plane of the lower column boss A is the top surface of the lower column boss A, and the inner side surface of the lower column boss A is arranged inside the lower column boss A;
the lower column boss B is a transverse cube and is arranged on the top surface of the prefabricated lower column, one end of the lower column boss B is tightly attached to the inner side surface of the lower column boss A, the top surface of the lower column boss B is the top surface of the lower column boss B, and the inner side surface of the lower column boss B is arranged inside the lower column boss B;
the lower column boss A, the lower column boss B and the prefabricated lower column are of an integrated structure; a lower column groove is enclosed by the inner side surface of the column boss A, the inner side surface of the lower column boss B and the top surface of the prefabricated lower column;
the bulge is arranged in the middle of the end part of the precast beam, the top surface of the bulge is a bulge top surface, the two side surfaces of the bulge are bulge side surfaces, and the top surfaces of the two raised flanges are bulge flange top surfaces;
the protrusion and the precast beam are of an integral structure.
The invention has the beneficial effects that:
the invention has the advantages and beneficial effects that the groove design of the column body ensures that the precast beam is combined with the column, and the integral stability is further improved by pouring fine aggregate concrete, and the height of the beam is greatly reduced by reserving the hole and post-tensioning the reinforcing steel bar, thereby increasing the clearance height, being suitable for a large-span structure and being suitable for the development of an assembly type.
Drawings
FIG. 1 is a schematic front-side splice view of a reinforced fabricated beam-column joint of the present invention;
FIG. 2 is a three-dimensional schematic diagram of a prefabricated beam-column end point fit of the reinforced fabricated beam-column joint of the present invention;
FIG. 3 is a rear view of a prefabricated upper column and a prefabricated lower column of the reinforced fabricated beam-column joint of the present invention;
FIG. 4 is a schematic view of the lap joint of the prefabricated upper column and the prefabricated lower column inner longitudinal rib of the reinforced assembled beam-column joint of the present invention;
FIG. 5 is a schematic view of a prefabricated beam-column lap joint of the reinforced fabricated beam-column joint of the present invention;
FIG. 6 is a three-dimensional schematic diagram of the distribution of the steel bars in the precast beam of the reinforced assembled beam-column joint of the present invention;
figure 7 is a plan view of a prefabricated upper column end of the reinforced fabricated beam-column joint of the present invention,
FIG. 8 is a plan view of the prefabricated lower column end of the reinforced fabricated beam-column joint of the present invention;
in the figure: 1 is a prefabricated upper column, 1-1 is an upper column boss, 1-1-1 is the inner side surface of an upper column boss A, 1-2 is an upper column boss B, 1-2-1 is the bottom surface of the column boss B, 1-2-2 is the inner side surface of the upper column boss B, 1-2-3 is the side surface of the upper column boss B, 1-3 is an upper column L groove, 1-4 is a side surface groove, 1-5 is a longitudinal reinforcing steel bar connecting groove, 1-6 is a reinforcing steel bar hole A, 1-7 is an upper column longitudinal reinforcing steel bar, 1-8 is an upper column tensioning hole, 2 is a prefabricated beam, 2-1 is a beam tensioning hole, 2-2 is a beam longitudinal reinforcing steel bar, 2-3 is a beam bending reinforcing steel bar, 2-4 is a convex bulge, 2-4-1 is a convex top surface, 2-4-2 is a convex side surface, 2-4-3 is a top surface of a convex flange, 3 is a prefabricated lower column, 3-1 is a lower column boss A, 3-1-1 is a top surface of the lower column boss A, 3-1-2 is an inner side surface of the lower column boss A, 3-2 is a lower column boss B, 3-2-1 is a top surface of the lower column boss B, 3-2-2 is an inner side surface of the lower column boss B, 3-3 is a lower column groove, 3-4 is a lower column longitudinal reinforcing steel bar, 3-5 is a lower column hole, 4 is a rectangular beam groove, 4-1 is a reinforcing steel bar hole B, 5 is an anchorage device, and 6 is a tensile reinforcing steel bar.
Detailed Description
For further explanation of the invention, the following detailed description of the invention with reference to the drawings and examples is not to be construed as limiting the scope of the invention.
Example (b):
as shown in fig. 1 to 8, a reinforced fabricated beam-column joint includes a prefabricated upper column 1, a prefabricated beam 2, and a prefabricated lower column 3;
the prefabricated upper column 1, the prefabricated beam 2 and the prefabricated lower column 3 are all of an integral reinforced concrete structure, longitudinal steel bar connecting grooves 1-5 are formed in two side faces of the prefabricated upper column 1, a plurality of upper column longitudinal steel bars 1-7 are arranged inside the prefabricated upper column 1, the end portions of the upper column longitudinal steel bars 1-7 are arranged inside the longitudinal steel bar connecting grooves 1-5, and steel bar holes A1-6 are formed from the inside of the longitudinal steel bar connecting grooves 1-5 to the direction of the connecting end portion of the prefabricated upper column 1 to the end face; the lower end of the prefabricated upper column 1 is provided with an upper column boss A1-1, an upper column boss B1-2, an upper column L groove 1-3 and a side groove 1-4;
the upper end of the prefabricated lower column 3 is provided with a lower column boss A3-1, a lower column boss B3-2 and a lower column groove 3-3; a plurality of lower column longitudinal steel bars 3-4 are arranged inside the prefabricated lower column 3, and the end parts of the lower column longitudinal steel bars 3-4 penetrate through steel bar holes A1-6 to be arranged inside the longitudinal steel bar connecting grooves 1-5;
an upper column boss A1-1 is in butt joint with a lower column groove 3-3, an upper column boss B1-2 is in butt joint with a lower column boss B3-2, a side groove 1-4 is in butt joint with a lower column boss A3-1, and a rectangular beam groove 4 is enclosed by the upper column L groove 1-3 and the lower column groove 3-3; the upper end and the lower end of the rectangular beam groove 4 are provided with a plurality of steel bar holes B4-1 which are communicated with the bent steel bar grouting openings;
the end part of the precast beam 2 is provided with a convex-shaped bulge 2-4 which is matched and fixed with the rectangular beam groove 4, two beam tensioning holes 2-1 are longitudinally arranged inside the precast beam 2 and correspond to an upper column tensioning hole 1-8 and a lower column tensioning hole 3-5 which are respectively arranged on an upper column boss A1-1 and a lower column boss A3-1, and the precast beam is fixed by an anchorage device 5;
the beam longitudinal steel bars 2-2 are arranged inside the precast beam 2, the beam longitudinal steel bars 2-2 are bent outwards by 90 degrees at the connecting end part of the precast beam 2 to form beam bent steel bars 2-3, the bent steel bars 2-3 are arranged in a staggered manner, and the bent steel bars 2-3 are arranged in steel bar holes of the rectangular beam groove 4;
binding and fixing the upper column longitudinal steel bars 1-7, the lower column longitudinal steel bars 3-4 and the beam longitudinal steel bars 2-2 through the circumferential steel bars 6;
and fine stone mortar is filled in the longitudinal steel bar connecting grooves 1-5, the beam tensioning holes 2-1, the upper column tensioning holes 1-8 and the lower column tensioning holes 3-5.
And 3-4 parts of lower column longitudinal steel bars and 1-7 parts of upper column longitudinal steel bars are fixed by welding.
And the tensioning steel bars are arranged in the upper column tensioning holes 1-8, the lower column tensioning holes 3-5 and the beam tensioning holes 2-1, belong to waist bars and are provided with ribs according to structures.
The upper column boss B1-2 is a transverse cube, a right angle of the upper column boss B1-2 is aligned with a right angle in the lower bottom surface of the prefabricated upper column 1, and the length of the upper column boss B1-2 is smaller than the side length of the prefabricated upper column 1; the lower bottom surface of the upper column boss B1-2 is 1-2-1 of the bottom surface of the upper column boss B, the inner side surface 1-2-2 of the upper column boss B is arranged in the upper column boss B1-2, and the side surface of the upper column boss B1-2 is 1-2-3 of the side surface of the upper column boss B;
the upper column boss A1-1 is a vertical cube and is arranged on the lower bottom surface of the prefabricated upper column 1 and is tightly attached to the inner side surface 1-2-2 of the upper column boss B, and the inner side surface 1-1-1 of the upper column boss A is arranged in the upper column boss A1-1;
the prefabricated upper column 1, the upper column boss A1-1 and the upper column boss B1-2 are of an integral structure; an upper column L groove 1-3 is formed by enclosing the lower bottom surface of an upper column 1, the inner side surface 1-1-1 of an upper column boss A and the inner side surface 1-2-2 of an upper column boss B in advance; the side surface 1-2-3 of the upper column boss B and the lower bottom surface of the prefabricated upper column 1 are encircled to form a side surface groove 1-4;
the lower column boss A3-1 is a cube, one side face of the cube is aligned with the side face of the prefabricated lower column 3, two ends of the lower column boss A3-1 are aligned with the side face of the prefabricated lower column 3, the top plane of the lower column boss A3-1 is the top face 3-1-1 of the lower column boss A, and the inner side face 3-1-2 of the lower column boss A is arranged in the lower column boss A3-1;
the lower column boss B3-2 is a transverse cube and is arranged on the top surface of the prefabricated lower column 3, one end of the lower column boss B3-2 is tightly attached to the inner side surface 3-1-2 of the lower column boss A, the top surface of the lower column boss B3-2 is the top surface 3-2-1 of the lower column boss B, and the inner side surface 3-2-2 of the lower column boss B is arranged in the lower column boss B3-2;
the lower column boss A3-1, the lower column boss B3-2 and the prefabricated lower column 3 are of an integral structure; a lower column groove 3-3 is enclosed by the inner side surface 3-1-2 of the column boss A, the inner side surface 3-2-2 of the lower column boss B and the top surface of the prefabricated lower column 3;
the bulge 2-4 is arranged in the middle of the end part of the precast beam 2, the top surface of the bulge 2-4 is a bulge top surface 2-4-1, the two side surfaces of the bulge 2-4 are bulge side surfaces 2-4-2, and the top surfaces of the two flanges of the bulge 2-4 are bulge flange top surfaces 2-4-3; the bulges 2-4 and the precast beam 2 are of an integral structure.
Grouting openings are arranged on the prefabricated upper column 1 and the prefabricated lower column 3.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A reinforced assembly type beam-column joint comprises a prefabricated upper column (1), a prefabricated beam (2) and a prefabricated lower column (3); the method is characterized in that: the prefabricated upper column (1), the prefabricated beam (2) and the prefabricated lower column (3) are all of an integral steel-concrete structure, longitudinal steel bar connecting grooves (1-5) are formed in two side faces of the prefabricated upper column (1), a plurality of upper column longitudinal steel bars (1-7) are arranged in the prefabricated upper column (1), the end portions of the upper column longitudinal steel bars (1-7) are arranged in the longitudinal steel bar connecting grooves (1-5), and steel bar holes A (1-6) are formed in the longitudinal steel bar connecting grooves (1-5) towards the connecting end portion of the prefabricated upper column (1) to the end face; the lower end of the prefabricated upper column (1) is provided with an upper column boss A (1-1), an upper column boss B (1-2), an upper column L groove (1-3) and a side groove (1-4);
the upper end of the prefabricated lower column (3) is provided with a lower column boss A (3-1), a lower column boss B (3-2) and a lower column groove (3-3); a plurality of lower column longitudinal reinforcements (3-4) are arranged in the prefabricated lower column (3), and the end parts of the lower column longitudinal reinforcements (3-4) penetrate through the reinforcement holes A (1-6) and are arranged in the longitudinal reinforcement connecting grooves (1-5);
an upper column boss A (1-1) is butted with a lower column groove (3-3), an upper column boss B (1-2) is butted with a lower column boss B (3-2), a side groove (1-4) is butted with the lower column boss A (3-1), and an upper column L groove (1-3) and the lower column groove (3-3) enclose a rectangular beam groove (4); the upper end and the lower end of the rectangular beam groove (4) are provided with a plurality of steel bar holes B (4-1) which are communicated with the bent steel bar grouting opening;
the end part of the precast beam (2) is provided with a convex-shaped bulge (2-4) which is matched and fixed with the rectangular beam groove (4), two beam tensioning holes (2-1) are longitudinally arranged in the precast beam (2) and correspond to an upper column tensioning hole (1-8) and a lower column tensioning hole (3-5) which are respectively arranged on an upper column boss A (1-1) and a lower column boss A (3-1), and the precast beam is fixed through an anchorage device (5);
the beam longitudinal steel bars (2-2) are arranged inside the precast beam (2), the beam longitudinal steel bars (2-2) are bent outwards by 90 degrees at the connecting end part of the precast beam (2) to form beam bent steel bars (2-3), the bent steel bars (2-3) are arranged in a staggered mode, and the bent steel bars (2-3) are arranged in steel bar holes of the rectangular beam groove (4);
the upper column longitudinal steel bars (1-7), the lower column longitudinal steel bars (3-4) and the beam longitudinal steel bars (2-2) are bound and fixed through the circumferential steel bars (6).
2. The reinforced fabricated beam-column joint of claim 1, wherein: and fine stone mortar is filled in the longitudinal steel bar connecting groove (1-5), the beam tensioning hole (2-1), the upper column tensioning hole (1-8) and the lower column tensioning hole (3-5).
3. The reinforced fabricated beam-column joint of claim 1, wherein: the lower column longitudinal steel bars (3-4) and the upper column longitudinal steel bars (1-7) are fixed by welding.
4. The reinforced fabricated beam-column joint of claim 1, wherein: the tensioning steel bars are arranged in the upper column tensioning holes (1-8), the lower column tensioning holes (3-5) and the beam tensioning holes (2-1), belong to waist bars and are provided with bars according to structures.
5. The reinforced fabricated beam-column joint of claim 1, wherein: the upper column boss B (1-2) is a transverse cube, a right angle of the upper column boss B (1-2) is aligned with a right angle in the lower bottom surface of the prefabricated upper column (1), and the length of the upper column boss B (1-2) is smaller than the side length of the prefabricated upper column (1); the lower bottom surface of the upper column boss B (1-2) is the bottom surface (1-2-1) of the upper column boss B, the inner side surface (1-2-2) of the upper column boss B is arranged in the upper column boss B (1-2), and the side surface of the upper column boss B (1-2) is the side surface (1-2-3) of the upper column boss B;
the upper column boss A (1-1) is a vertical cube and is arranged on the lower bottom surface of the prefabricated upper column (1) and tightly attached to the inner side surface (1-2-2) of the upper column boss B, and the inner side surface (1-1-1) of the upper column boss A is arranged inside the upper column boss A (1-1);
the prefabricated upper column (1), the upper column boss A (1-1) and the upper column boss B (1-2) are of an integrated structure; an upper column L groove (1-3) is formed by enclosing the lower bottom surface of the prefabricated upper column (1), the inner side surface (1-1-1) of the upper column boss A and the inner side surface (1-2-2) of the upper column boss B; the side surface (1-2-3) of the upper column boss B and the lower bottom surface of the prefabricated upper column (1) are encircled to form a side surface groove (1-4);
the lower column boss A (3-1) is a cube, one side face of the lower column boss A (3-1) is aligned with the side face of the prefabricated lower column (3), two ends of the lower column boss A (3-1) are aligned with the side face of the prefabricated lower column (3), the top plane of the lower column boss A (3-1) is the top face (3-1-1) of the lower column boss A, and the inner side face (3-1-2) of the lower column boss A is arranged in the lower column boss A (3-1);
the lower column boss B (3-2) is a transverse cube and is arranged on the top surface of the prefabricated lower column (3), one end of the lower column boss B (3-2) is tightly attached to the inner side surface (3-1-2) of the lower column boss A, the top surface of the lower column boss B (3-2) is the top surface (3-2-1) of the lower column boss B, and the inner side surface (3-2-2) of the lower column boss B is arranged in the lower column boss B (3-2);
the lower column boss A (3-1), the lower column boss B (3-2) and the prefabricated lower column (3) are of an integrated structure; the inner side surface (3-1-2) of the column boss A, the inner side surface (3-2-2) of the lower column boss B and the top surface of the prefabricated lower column (3) are enclosed to form a lower column groove (3-3);
the bulges (2-4) are arranged in the middle of the end part of the precast beam (2), the top surfaces of the bulges (2-4) are bulge top surfaces (2-4-1), the two side surfaces of the bulges (2-4) are bulge side surfaces (2-4-2), and the top surfaces of the two flanges of the bulges (2-4) are bulge flange top surfaces (2-4-3); the bulges (2-4) and the precast beam (2) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219005.2A CN110792166A (en) | 2019-12-03 | 2019-12-03 | Reinforced assembled beam column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219005.2A CN110792166A (en) | 2019-12-03 | 2019-12-03 | Reinforced assembled beam column joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110792166A true CN110792166A (en) | 2020-02-14 |
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ID=69447159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911219005.2A Pending CN110792166A (en) | 2019-12-03 | 2019-12-03 | Reinforced assembled beam column joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792166A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216411A (en) * | 2021-04-20 | 2021-08-06 | 王萍 | Prefabricated column contact mounting and connecting method for prefabricated building |
| CN114232892A (en) * | 2022-01-13 | 2022-03-25 | 福州大学 | Fabricated concrete connection structure connected through segmented steel bars and construction method thereof |
-
2019
- 2019-12-03 CN CN201911219005.2A patent/CN110792166A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216411A (en) * | 2021-04-20 | 2021-08-06 | 王萍 | Prefabricated column contact mounting and connecting method for prefabricated building |
| CN114232892A (en) * | 2022-01-13 | 2022-03-25 | 福州大学 | Fabricated concrete connection structure connected through segmented steel bars and construction method thereof |
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