CN110820998A - Fabricated prefabricated shear wall-column energy-consumption connecting structure and construction method thereof - Google Patents
Fabricated prefabricated shear wall-column energy-consumption connecting structure and construction method thereof Download PDFInfo
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- CN110820998A CN110820998A CN201911131830.7A CN201911131830A CN110820998A CN 110820998 A CN110820998 A CN 110820998A CN 201911131830 A CN201911131830 A CN 201911131830A CN 110820998 A CN110820998 A CN 110820998A
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- shear wall
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- embedded part
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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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- 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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- 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
- E04H9/025—Structures with concrete columns
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
An assembled prefabricated shear wall-column energy consumption connecting structure and a construction method thereof belong to the field of building engineering, and the assembled prefabricated shear wall-column energy consumption connecting structure consists of a frame column, a shear wall and an energy consumption connecting piece, wherein the energy consumption connecting piece consists of a frame column embedded part, a shear wall embedded part, a mild steel damper, a screw rod, a gasket and a nut; the energy-consuming connecting structure is simple and convenient to operate and convenient to implement, solves the problem that the existing prefabricated frame shear wall structure is poor in energy-consuming capacity and ductility, improves the energy-consuming capacity and ductility of the structure, enhances the overall anti-seismic performance of the structure, and is suitable for industrial production and widely applied.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to an assembled prefabricated shear wall-column energy-consumption connecting structure and a construction method thereof.
Background
In the field of building engineering, the fabricated concrete structure is a structure which is formed by using a concrete member manufactured by adopting a customized special die in a factory as a main stressed member and then performing on-site assembly connection, is more favorable for ensuring and improving the overall quality of a building, and is one of important development directions of building structures in China.
The cast-in-place process is to bind a reinforcing mesh on site, and to cast concrete by supporting a formwork after the reinforcing mesh is bound, wherein the cast-in-place concrete firstly has influence on the surrounding environment of a construction site such as noise, and secondly has the problem that the strength of the concrete after curing and hardening can not meet the design requirement due to uncertain factors such as on-site weather.
Compared with the construction process of cast-in-place, the construction process of prefabricated assembly has the advantages of resource saving, environment protection and green construction, can greatly reduce the influence on the surrounding environment of a construction site, and realizes sustainable development. In the prior art, a prefabricated assembly type wall is connected with a cast-in-place belt, the prefabricated shear wall is firstly installed at a design position, then reserved steel bars in the shear wall are connected in a lap joint mode, and finally concrete is poured in situ to enable the prefabricated shear wall to be a whole.
Disclosure of Invention
In order to solve the problems of poor energy consumption capability and ductility and insufficient seismic performance of a prefabricated frame shear wall structure in the prior art, the invention provides an assembled prefabricated shear wall-column energy consumption connecting structure and a construction method thereof, which improve the energy consumption capability and ductility of the structure and strengthen the seismic performance of the whole structure, and the specific technical scheme is as follows:
the invention discloses an assembled prefabricated shear wall-column energy-consumption connecting structure, which comprises a frame column 1 and a shear wall 2, wherein the frame column 1 is provided with a frame column groove 4, the shear wall 2 is provided with a shear wall groove 5, and the frame column 1 and the shear wall 2 are connected through an energy-consumption connecting piece 3 as shown in figures 1 and 2; the energy-consuming connecting piece 3 comprises a frame column embedded part 6, a shear wall embedded part 7, a mild steel damper 8, a screw rod 9, a gasket 10 and a nut 11, as shown in FIG. 3; the frame column embedded part 6 is embedded in the frame column 1; the shear wall embedded part 7 is embedded in the shear wall 2; the frame column embedded part 6, the shear wall embedded part 7 and the mild steel damper 8 are connected through a screw 9; the mild steel damper 8 is double-X-shaped;
when the frame column 1 is connected with the shear wall 2 through the plurality of energy consumption connecting pieces 3, a vertical seam with the distance of 4cm is reserved between the frame column 1 and the shear wall 2;
the plurality of energy consumption connecting pieces 3 are uniformly arranged along the vertical direction;
the frame column groove 4 and the shear wall groove 5 are through grooves on two sides;
the frame column embedded part 6 and the shear wall embedded part 7 are steel anchor plates provided with a plurality of screw holes, and the frame column embedded part 6 and the shear wall embedded part 7 are respectively embedded in the frame column 1 and the shear wall 2 at the same horizontal height;
the frame column embedded part 6 is embedded in the frame column 1, the embedded depth is 2/3 of the frame column embedded part 6, and the 1/3 frame column embedded part 6 is exposed in the frame column groove 4;
the shear wall embedded part 7 is embedded in the shear wall 2, the embedding depth is 2/3 of the shear wall embedded part 7, and the 1/3 shear wall embedded part 7 is exposed out of the shear wall groove 5;
the mild steel damper 8 is provided with a plurality of screw holes corresponding to the frame column embedded part 6 and the shear wall embedded part 7;
the mild steel damper 8 is connected with the frame column embedded part 6 and the shear wall embedded part 7 through corresponding screw holes by a screw 9 and is fixed by a gasket 10 and a nut 11;
the invention discloses a construction method of an assembly type prefabricated shear wall-column energy-consumption connecting structure, which comprises the following steps of:
Compared with the prior art, the assembled prefabricated shear wall-column energy-consumption connecting structure and the construction method thereof have the beneficial effects that:
the energy-consuming connection structure is simple and convenient to operate and convenient to implement, solves the problem that the existing prefabricated frame shear wall structure is poor in energy-consuming capability and ductility, improves the energy-consuming capability and ductility of the structure, enhances the overall anti-seismic performance of the structure, and is suitable for industrial production and widely applied.
In the prior art, a U-shaped damper or a friction damper is adopted, and the soft steel damper adopts a double-X-shaped damper, so that the soft steel damper can provide larger initial rigidity before yielding and has good energy consumption capability after yielding.
When concrete is poured into the embedded parts, the through grooves in the two sides are reserved on the frame columns and the shear walls respectively, the parts of the embedded parts, which are connected with the mild steel dampers through the screw rods, can be exposed, and when the double-X type mild steel dampers are damaged or overhauled, the embedded parts can be replaced without damaging the main structure, so that the maintenance is convenient, the cost is saved, and the service life of the main building can be prolonged.
The assembled prefabricated shear wall-column energy-consumption connecting structure can customize dimension specifications according to different working conditions and different requirements, is simple in manufacturing process and low in cost, and is suitable for various using environment conditions.
Drawings
Fig. 1 is an overall structure schematic diagram of an assembly type prefabricated shear wall-column energy dissipation connection structure: 1-frame column, 2-shear wall, 3-energy consumption connecting piece, 4-frame column groove and 5-shear wall groove;
fig. 2 is a schematic sectional top view of an assembled prefabricated shear wall-column energy-consuming connection structure: 1-frame column, 2-shear wall, 3-energy consumption connecting piece, 4-frame column groove and 5-shear wall groove;
fig. 3 is a schematic view of a dissipative connector: 6-frame column embedded parts, 7-shear wall embedded parts, 8-mild steel dampers, 9-screws, 10-gaskets and 11-nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 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 embodiments. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "spun-on," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the problems that the existing prefabricated frame shear wall structure is poor in self energy consumption capability and ductility and the like, the invention provides the prefabricated shear wall-column energy consumption connecting structure and the construction method thereof, so that the self energy consumption capability and ductility of the structure are improved, and the overall anti-seismic performance of the structure is enhanced.
As shown in fig. 1 and 2, an assembly type prefabricated shear wall-column energy consumption connecting structure comprises a frame column 1 and a shear wall 2, wherein the frame column 1 is connected with the shear wall 2 through an energy consumption connecting piece 3, the frame column 1 and the shear wall 2 are respectively and uniformly provided with a frame column groove 4 and a shear wall groove 5 which correspond to each other in the vertical direction, when the frame column 1 is connected with the shear wall 2 through a plurality of energy consumption connecting pieces 3, a vertical seam with a distance of 4m is reserved between the frame column 1 and the shear wall 2, and the plurality of energy consumption connecting pieces 3 are uniformly arranged in the vertical direction. In the embodiment, 3 energy-consuming connecting pieces 3 are uniformly arranged between the frame column 1 and the shear wall 2 along the vertical length direction and are respectively arranged at the H/4, H/2 and 3H/4 positions of the connecting end of the frame column 1 and the shear wall 2.
As shown in fig. 1 and 3, the energy-consuming connecting member 3 comprises a frame column embedded part 6, a shear wall embedded part 7, a mild steel damper 8, a screw 9, a gasket 10 and a nut 11, wherein the frame column embedded part 6 is embedded in a frame column 1, the shear wall embedded part 7 is embedded in a shear wall 2, the frame column embedded part 6 and the shear wall embedded part 7 are connected through the mild steel damper 8, the frame column embedded part 6 and the shear wall embedded part 7 are steel anchor plates provided with a plurality of screw holes, the frame column embedded part 6 and the shear wall embedded part 7 are respectively embedded in the frame column 1 and the shear wall 2 at the same horizontal height, the mild steel damper 8 is provided with a plurality of screw holes corresponding to the frame column embedded part 6 and the shear wall embedded part 7, the mild steel damper 8, the frame column embedded part 6 and the shear wall embedded part 7 are connected through the corresponding screw holes through the screw 9 and are fixed through the gasket 10 and the nut 11, completing the connection of the whole component; the connection of the frame column embedded part 6 and the mild steel damper 8 is that firstly, a screw rod 9 sequentially penetrates through corresponding screw holes of the mild steel damper 8, the frame column embedded part 6 and the mild steel damper 8, then a circular porous gasket 10 is sleeved on the screw rod 9, two ends of the screw rod 9 are fixed by nuts 10, and the connection of the frame column embedded part 6 and the mild steel damper 8 is completed, wherein the connection of the shear wall embedded part 7 and the mild steel damper 8 is that firstly, the screw rod 9 sequentially penetrates through corresponding screw holes of the mild steel damper 8, the frame column embedded part 7 and the mild steel damper 8, then the circular porous gasket 10 is sleeved on the screw rod 9, two ends of the screw rod 9 are fixed by the nuts 10, and the connection of the shear wall embedded part 7 and the mild steel damper 8 is completed; the mild steel damper 8 adopts a double-X type mild steel damper.
A construction method of an assembly type prefabricated shear wall-column energy-consumption connecting structure comprises the following steps:
Through simulation tests, compared with a cast-in-place structure, the prefabricated shear wall-column energy-consumption connecting structure has the same bearing capacity and rigidity, but the maximum damping rate can reach 29.14% when different earthquake actions are carried out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An assembled prefabricated shear wall-column energy consumption connecting structure comprises a frame column (1) and a shear wall (2), wherein the frame column (1) is provided with a frame column groove (4), the shear wall (2) is provided with a shear wall groove (5), the frame column (1) is connected with the shear wall (2) through an energy consumption connecting piece (3), the energy consumption connecting piece (3) comprises a frame column embedded part (6), a shear wall embedded part (7), a mild steel damper (8), a screw rod (9), a gasket (10) and a nut (11), and the frame column embedded part (6) is embedded in the frame column (1); the shear wall embedded part (7) is embedded in the shear wall (2); the frame column embedded part (6) and the shear wall embedded part (7) are connected with the mild steel damper (8) through a screw rod (9), and the mild steel damper (8) is of a double-X type.
2. The fabricated prefabricated shear wall-column energy dissipation connecting structure according to claim 1, wherein when the frame columns (1) are connected with the shear wall (2) through the plurality of energy dissipation connecting pieces (3), vertical seams with a distance of 4cm are reserved between the frame columns (1) and the shear wall (2).
3. An assembled prefabricated shear wall-column energy-consuming connection structure as claimed in claim 1, wherein said plurality of energy-consuming connecting members (3) are uniformly arranged in a vertical direction.
4. An assembled prefabricated shear wall-column energy dissipation connecting structure as claimed in claim 1, wherein the frame column groove (4) and the shear wall groove (5) are through-type grooves on two sides.
5. The assembly type prefabricated shear wall-column energy consumption connecting structure according to claim 1, wherein the frame column embedded part (6) and the shear wall embedded part (7) are steel anchor plates provided with a plurality of screw holes, and the frame column embedded part (6) and the shear wall embedded part (7) are embedded in the frame column (1) and the shear wall (2) at the same horizontal height respectively.
6. The assembly type precast shear wall-column energy consumption connecting structure according to claim 1, wherein the frame column embedded part (6) is embedded in the frame column (1) to a depth of 2/3 of the frame column embedded part (6), and the 1/3 frame column embedded part (6) is exposed in the frame column groove (4).
7. The assembly type prefabricated shear wall-column energy consumption connecting structure is characterized in that the shear wall embedded part (7) is embedded in the shear wall (2) to a depth of 2/3 of the shear wall embedded part (7), and the 1/3 shear wall embedded part (7) is exposed in the shear wall groove (5).
8. The assembly type prefabricated shear wall-column energy consumption connecting structure according to claim 1, wherein the mild steel damper (8) is provided with a plurality of screw holes corresponding to the frame column embedded part (6) and the shear wall embedded part (7).
9. The assembly type prefabricated shear wall-column energy consumption connecting structure is characterized in that the mild steel dampers (8) are connected with the frame column embedded parts (6) and the shear wall embedded parts (7) through corresponding screw holes through screws (9) and are fixed by gaskets (10) and nuts (11).
10. The construction method of the fabricated precast shear wall-column energy-dissipating connection structure of claim 1, comprising the steps of:
step 1, prefabricating a frame column: binding a frame column reinforcement cage, fixing a frame column embedded part (6) in the frame column reinforcement cage, installing a frame column template outside the reinforcement cage, pouring concrete to form a frame column (1), and reserving a frame column groove (4) when the frame column (1) is poured by the concrete;
step 2, prefabricating the shear wall: binding a shear wall reinforcement cage, fixing a shear wall embedded part (7) in the shear wall reinforcement cage, installing a shear wall template outside the reinforcement cage, pouring concrete to form a shear wall (2), and reserving a shear wall groove (5) when the shear wall (2) is poured by the concrete;
step 3, manufacturing an energy-consuming connecting piece: screwing a plurality of screw holes on the part of the frame column embedded part (6) in the frame column groove (4), screwing a plurality of screw holes on the part of the shear wall embedded part (7) in the shear wall groove (5), and screwing screw holes corresponding to the frame column embedded part (6) and the shear wall embedded part (7) on the two ends of the mild steel damper (8);
step 4, connecting the frame columns with the shear wall: fixing the frame column (1) and the shear wall (2) at corresponding positions, respectively passing a plurality of screw rods (9) through a plurality of corresponding screw holes of the 'mild steel damper (8)' -the frame column embedded part (6) '-the mild steel damper (8)', the 'mild steel damper (8)' -the shear wall embedded part (7) '-the mild steel damper (8)', respectively, sleeving a circular gasket (10) with a hole on the screw rods (9), and respectively fixing two ends of the screw rods (9) by nuts (11) to complete the assembly of the whole assembly type prefabricated shear wall-column energy-consuming connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131830.7A CN110820998A (en) | 2019-11-19 | 2019-11-19 | Fabricated prefabricated shear wall-column energy-consumption connecting structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911131830.7A CN110820998A (en) | 2019-11-19 | 2019-11-19 | Fabricated prefabricated shear wall-column energy-consumption connecting structure and construction method thereof |
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| CN110820998A true CN110820998A (en) | 2020-02-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236433A (en) * | 2020-04-28 | 2020-06-05 | 中国船舶重工集团国际工程有限公司 | Assembly type steel frame-stiffened concrete core tube structure system, multi-story high-rise building structure and construction method |
| CN112144688A (en) * | 2020-10-30 | 2020-12-29 | 中国地震局工程力学研究所 | Double-sided shearing type square steel tube damper and manufacturing method |
| CN114233078A (en) * | 2021-12-03 | 2022-03-25 | 上海应用技术大学 | Vertical dry-type connection energy consumption device of assembled shear force wall |
-
2019
- 2019-11-19 CN CN201911131830.7A patent/CN110820998A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236433A (en) * | 2020-04-28 | 2020-06-05 | 中国船舶重工集团国际工程有限公司 | Assembly type steel frame-stiffened concrete core tube structure system, multi-story high-rise building structure and construction method |
| CN112144688A (en) * | 2020-10-30 | 2020-12-29 | 中国地震局工程力学研究所 | Double-sided shearing type square steel tube damper and manufacturing method |
| CN112144688B (en) * | 2020-10-30 | 2023-04-14 | 中国地震局工程力学研究所 | Double-sided shearing type square steel tube damper and manufacturing method |
| CN114233078A (en) * | 2021-12-03 | 2022-03-25 | 上海应用技术大学 | Vertical dry-type connection energy consumption device of assembled shear force wall |
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