CN110241946B - Horizontal connection structure of assembled energy-consuming frame shear wall and construction method thereof - Google Patents

Horizontal connection structure of assembled energy-consuming frame shear wall and construction method thereof Download PDF

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Publication number
CN110241946B
CN110241946B CN201910535113.4A CN201910535113A CN110241946B CN 110241946 B CN110241946 B CN 110241946B CN 201910535113 A CN201910535113 A CN 201910535113A CN 110241946 B CN110241946 B CN 110241946B
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China
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shear wall
frame
shear
connection structure
hidden beam
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CN201910535113.4A
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CN110241946A (en
Inventor
张皓
章磊珉
李宏男
李超
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

A horizontal connection structure of an assembled energy dissipation frame shear wall and a construction method thereof belong to the technical field of constructional engineering. The horizontal connection structure of the assembled energy-consumption frame shear wall comprises a bottom beam, frame columns and shear walls, wherein a plurality of shear walls and a plurality of frame columns are arranged above the bottom beam, adjacent shear walls and shear walls as well as adjacent shear walls and frame columns are connected through a plurality of energy-consumption connecting pieces respectively, a hidden beam I is connected with an adjacent hidden beam I or a hidden beam II, each energy-consumption connecting piece comprises an embedded part and a mild steel damper, the embedded parts are embedded in the shear walls or the frame columns, and the corresponding embedded parts are connected through the mild steel dampers. The horizontal connection structure of the assembled energy-consuming frame shear wall and the construction method thereof strengthen the connection performance of the assembled shear wall with other components in a frame shear wall structure system, ensure the anti-seismic performance of the whole structure and expand the application form and application range of the assembled shear wall.

Description

Horizontal connection structure of assembled energy-consuming frame shear wall and construction method thereof
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a horizontal connecting structure of an assembled energy-consuming frame shear wall and a construction method thereof.
Background
With the development of modern industrial technology, the concept of the fabricated building is gradually realized, and the fabricated building is rapidly popularized all over the world due to the advantages of high construction speed, small restriction of climate conditions, labor saving, building quality improvement and the like.
The frame shear structure is used as an application technology which accords with the construction of high-rise buildings, so that the requirements of earthquake resistance and space structure after the construction of the engineering reach a good level. The existing fabricated shear wall structure only considers the connection between walls and does not consider the connection between the shear wall and other components, such as edge components and the like, which is not beneficial to personalized design, and the connection position has higher requirement on construction precision, so that the application of the fabricated shear wall in a frame-shear structure is limited and restricted.
Disclosure of Invention
In order to solve the technical problems that the connection between a shear wall and other components is difficult to realize, the energy consumption is high and the like in an assembled shear wall structure in the prior art, the invention provides a horizontal connection structure of an assembled energy-consuming frame shear wall and a construction method thereof, which strengthen the connection performance between the assembled shear wall and other components in a frame shear wall structure system, ensure the anti-seismic performance of the whole structure and expand the application form and the application range of the assembled shear wall.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a horizontal connecting structure of an assembled energy-consumption frame shear wall comprises a bottom beam, frame columns and shear walls, wherein a plurality of shear walls and a plurality of frame columns are arranged above the bottom beam, adjacent shear walls and shear walls as well as adjacent shear walls and frame columns are respectively connected through a plurality of energy-consumption connecting pieces, a first hidden beam is arranged above the shear wall, a second hidden beam is arranged above the frame column, and the first hidden beam is connected with the first hidden beam or the second hidden beam;
the energy dissipation connecting piece comprises an embedded part and a soft steel damper, the embedded part is embedded in the shear wall or the frame column, and the corresponding embedded parts are connected through the soft steel damper.
The embedded part comprises a screw and two steel plates arranged in parallel, the two steel plates are connected through a connecting rib, and the screw penetrates through the two steel plates and is fixedly connected with the steel plates.
The soft steel damper is provided with a screw hole corresponding to the screw rod, and the screw rod penetrates through the screw hole to be connected with the embedded part and the soft steel damper.
The frame columns and the shear walls are connected with the bottom beams through sleeve grouting respectively, and the first hidden beam is connected with the first adjacent hidden beam or the second hidden beam through sleeve grouting.
When the adjacent shear walls and the shear walls pass through the plurality of energy consumption connecting pieces, vertical joints with the distance of 4-5 cm are reserved between the two shear walls, and when the adjacent shear walls and the frame columns pass through the plurality of energy consumption connecting pieces, vertical joints with the distance of 4-5 cm are reserved between the shear walls and the frame columns.
The plurality of energy-consuming connecting pieces are uniformly arranged along the length direction of the vertical seam.
The mild steel damper adopts an elliptical damper and has good energy consumption capability.
A construction method of a horizontal connection structure of an assembled energy dissipation frame shear wall comprises the following steps:
firstly, prefabricating a frame column; binding reinforcement cages of the frame column and the hidden beam II, simultaneously binding the embedded part and the reinforcement cage of the frame column, embedding the sleeve into the frame column, supporting a frame column template outside the reinforcement cage, and pouring concrete to form a prefabricated frame column;
step two, prefabricating a shear wall; binding a reinforcement cage of the shear wall and the hidden beam I, binding a reinforcement cage of the shear wall and the hidden column I, simultaneously binding an embedded part and the reinforcement cage of the shear wall, embedding a sleeve into the shear wall, supporting a shear wall template outside the reinforcement cage, and pouring concrete to form a prefabricated shear wall;
step three, prefabricating a bottom beam; binding a reinforcement cage of the bottom beam, supporting a bottom beam template outside the reinforcement cage, and pouring concrete to form a prefabricated bottom beam;
step four, connecting the frame columns and the shear walls with the joint bars of the bottom beams through sleeve grouting respectively; connecting the corresponding first hidden beam with the extending steel bar of the first hidden beam through sleeve grouting, and pouring concrete; connecting the corresponding extending reinforcing steel bars of the first hidden beam and the second hidden beam through sleeve grouting, and pouring concrete;
and fifthly, penetrating the screw rod through the corresponding screw hole of the mild steel damper, sleeving the screw rod on the circular gasket with the hole, and fixing the two ends of the screw rod by nuts to complete the assembly of the horizontal connection structure of the whole assembled energy dissipation frame shear wall.
The invention has the beneficial effects that:
1) the invention has simple structure and convenient construction, solves the problem of connection between the assembled prefabricated shear wall and the edge member and the problem of low anti-seismic performance of the connection structure in the prior art, strengthens the connection performance between the assembled shear wall and other members in a frame shear wall structure system, ensures the anti-seismic performance of the whole structure, expands the application form and the application range of the assembled shear wall, is suitable for industrial production, and can be widely applied to the assembled structure;
2) the frame column and the shear wall are connected with the bottom beam through sleeve grouting respectively, the hidden beam I is connected with the adjacent hidden beam I or the hidden beam II through sleeve grouting, the prefabricated shear wall and the frame column are connected up and down through grouting sleeves, the hidden beams are also connected horizontally through grouting sleeves, and the high tensile and compressive strength and connection reliability are achieved;
3) the mild steel damper adopts an elliptical damper, has good energy consumption capability, can be replaced under the condition that the main body structure is not damaged to be unrepairable if the mild steel damper is damaged in earthquake resistance, and prolongs the service life of a building.
Drawings
FIG. 1 is a schematic structural diagram of a horizontal connection structure of a fabricated energy dissipation frame shear wall provided by the invention;
FIG. 2 is a schematic view of the connection of the energy dissipating connector of the present invention;
FIG. 3 is a schematic illustration of reinforcing bars in a horizontal connection structure of a fabricated energy dissipation frame shear wall provided by the invention;
FIG. 4 is a schematic view of a sleeve connection in a horizontal connection structure of a fabricated energy dissipation frame shear wall provided by the present invention;
FIG. 5 is a schematic cross-sectional view A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic cross-sectional view B-B of FIG. 4 according to the present invention.
In the figure, 1, a frame column, 2, a shear wall, 3, an energy consumption connecting piece, 4-1, a first hidden beam, 4-2, a second hidden beam, 5, a bottom beam, 6, a steel plate, 7, a connecting rib, 8, a soft steel damper, 9, a gasket, 10, a screw rod, 11, a nut, 12, a sleeve, 13 and a dowel bar are arranged.
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. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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. The terms "a" and "an" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," and 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 in the prior art, as shown in fig. 1 to 6, the invention provides a horizontal connection structure of an assembled energy-consuming frame shear wall and a construction method thereof, which strengthen the connection performance of the assembled shear wall with other components in a frame shear wall structure system, ensure the anti-seismic performance of the whole structure, and expand the application form and application range of the assembled shear wall.
As shown in fig. 1, 3 and 4, a horizontal connection structure of an assembled energy-consuming frame shear wall comprises a bottom beam 5, frame columns 1 and shear walls 2, wherein a plurality of shear walls 2 and a plurality of frame columns 1 are arranged above the bottom beam 5, the frame columns 1 and the shear walls 2 are respectively connected with the bottom beam 5 through sleeve grouting, the adjacent shear walls 2 and the shear walls 2 as well as the adjacent shear walls 2 and the frame columns 1 are respectively connected through a plurality of energy-consuming connecting pieces 3, that is, the adjacent shear walls 2 and the shear walls 2 are connected in the horizontal direction through a plurality of energy-consuming connecting pieces 3, the adjacent frame columns 1 and the shear walls 2 are connected in the horizontal direction through a plurality of energy-consuming connecting pieces 3, when the adjacent shear walls 2 and the shear walls 2 pass through a plurality of energy-consuming connecting pieces 3, vertical seams with a distance of 4-5 cm are reserved between the two shear walls 2, when the adjacent shear walls 2 and the frame columns 1 pass through a plurality of energy-consuming connecting pieces 3, a vertical joint with the distance of 4-5 cm is reserved between the shear wall 2 and the frame column 1, and a plurality of energy-consuming connecting pieces 3 are uniformly arranged along the length direction of the vertical joint, in the embodiment, 6 energy-consuming connecting pieces 3 are uniformly arranged between the shear wall 2 and the shear wall 2 along the length direction of the vertical joint, 6 energy-consuming connecting pieces 3 are respectively arranged at the H/7, 2H/7, 3H/7, 4H/7, 5H/7 and 6H/7 positions of the connecting end of the shear wall 2 and the shear wall 2, 6 energy-consuming connecting pieces 3 are respectively arranged between the shear wall 2 and the frame column 1 along the length direction of the vertical joint, and are respectively arranged at the H/7, 2H/7, 3H/7, 4H/7, 5H/7 and 6H/7 positions of the connecting end of the shear wall 2 and the frame column 1. As shown in fig. 4 to 6, a first hidden beam 4-1 is arranged above the shear wall 2, a second hidden beam 4-2 is arranged above the frame column 1, the first hidden beam 4-1 is connected with the first adjacent hidden beam 4-1 or the second hidden beam 4-2 through sleeve grouting, that is, when the adjacent shear wall 2 is connected with the shear wall 2, the first hidden beam 4-1 is connected with the corresponding first hidden beam 4-1, when the adjacent shear wall 2 is connected with the frame column 1, the first hidden beam 4-1 is connected with the corresponding second hidden beam 4-2, both ends of the first hidden beam 4-1 extend out of steel bars, and are connected with the extending steel bars of the other first hidden beam 4-1 or the extending steel bars at one end of the second hidden beam 4-2 are connected through sleeve grouting, concrete is poured to form a whole hidden beam, a rear pouring zone is arranged at the shadow in fig. 4, and the cross-sectional views of the frame column 1 and the shear wall 2 are shown in fig. 5, a cross-sectional view at the sleeve 12 of the frame column 1 and the shear wall 2 is shown in fig. 6.
As shown in fig. 2, the energy-consuming connecting member 3 comprises embedded parts and mild steel dampers 8, the embedded parts are embedded in the shear walls 2 or the frame columns 1, the corresponding embedded parts are connected through the mild steel dampers 8, that is, when the two shear walls 2 are connected, the corresponding embedded parts are embedded in the two shear walls 2, the corresponding embedded parts are connected through the mild steel dampers 8, when the shear walls 2 are connected with the frame columns 1, the corresponding embedded parts are embedded in the shear walls 2 and the frame columns 1, the corresponding embedded parts are connected through the mild steel dampers 8, the embedded parts comprise screws 10 and two steel plates 6 arranged in parallel, the two steel plates 6 are welded and connected through connecting ribs 7, the screws 10 penetrate through the two steel plates 6 and are fixedly connected with the steel plates 6, two ends of the screws 10 extend out of the outer sides of the steel plates 6 for a certain distance to bind the embedded parts with the steel cages of the frame columns or the shear walls 2, and are embedded in the mild steel dampers 8 are provided with screw holes corresponding to the screws 10, after the shear wall 2 and the shear wall 2 or the frame column 1 and the shear wall 2 are assembled, the screw rod 10 penetrates through a screw hole of the mild steel damper 8, the circular gasket with the hole 9 is sleeved on the screw rod 10, two ends of the screw rod 10 are fixed by nuts 11, and connection of a horizontal component is completed, namely, the embedded part and the mild steel damper 8 are connected through the screw rod 10, and the mild steel damper 8 adopts an oval damper to improve energy consumption capacity.
A construction method of a horizontal connection structure of an assembled energy dissipation frame shear wall comprises the following steps:
step one, prefabricating a frame column 1; binding reinforcement cages of the frame column 1 and the hidden beam II 4-2, simultaneously binding the embedded part and the reinforcement cage of the frame column 1, embedding the sleeve 12 into the frame column 1, supporting a template of the frame column 1 outside the reinforcement cage, and pouring concrete to form a prefabricated frame column 1;
step two, prefabricating the shear wall 2; binding reinforcement cages of the shear wall 2 and the hidden beam I4-1, binding reinforcement cages of the shear wall 2 and the hidden column, simultaneously binding the embedded part and the reinforcement cage of the shear wall 2, embedding the sleeve 12 into the shear wall 2, supporting a template of the shear wall 2 outside the reinforcement cage, and pouring concrete to form the prefabricated shear wall 2;
step three, prefabricating a bottom beam 5; binding a reinforcement cage of the bottom beam 5, supporting a template of the bottom beam 5 outside the reinforcement cage, and pouring concrete to form a prefabricated bottom beam 5;
step four, connecting the frame column 1 and the shear wall 2 with the dowel bars 13 of the bottom beam 5 through sleeve grouting respectively; connecting the corresponding hidden beam I4-1 with the extending steel bar of the hidden beam I4-1 through sleeve grouting, and pouring concrete; connecting the corresponding protruding reinforcing steel bars of the first hidden beam 4-1 and the second hidden beam 4-2 through sleeve grouting, and pouring concrete;
and step five, enabling the screw rod 10 to penetrate through the corresponding screw hole of the mild steel damper 8, sleeving the circular gasket 9 with the hole on the screw rod 10, and fixing two ends of the screw rod 10 by using nuts 11 to complete the assembly of the horizontal connecting structure of the whole assembled energy dissipation frame shear wall 2.
As shown in fig. 3, the reinforcing bars in this embodiment may be designed according to the design specifications of the reinforced concrete structure in the prior art.
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 (6)

1. A horizontal connection structure of an assembled energy-consumption frame shear wall is characterized by comprising a bottom beam, frame columns and shear walls, wherein a plurality of shear walls and a plurality of frame columns are arranged above the bottom beam, adjacent shear walls and shear walls as well as adjacent shear walls and frame columns are respectively connected through a plurality of energy-consumption connecting pieces, a first hidden beam is arranged above the shear walls, a second hidden beam is arranged above the frame columns, and the first hidden beam is connected with the first hidden beam or the second hidden beam;
the energy-consuming connecting piece comprises an embedded part and a mild steel damper, the embedded part is embedded in the shear wall or the frame column, and the corresponding embedded parts are connected through the mild steel damper;
the embedded part comprises a screw and two steel plates arranged in parallel, the two steel plates are connected through a connecting rib, and the screw penetrates through the two steel plates and is fixedly connected with the steel plates;
the soft steel damper is provided with a screw hole corresponding to the screw rod, and the screw rod penetrates through the screw hole to be connected with the embedded part and the soft steel damper.
2. The horizontal connection structure of the assembled energy dissipation frame shear wall as claimed in claim 1, wherein the frame columns and the shear wall are connected with the bottom beam through sleeve grouting respectively, and the first hidden beam is connected with the adjacent first hidden beam or the second hidden beam through sleeve grouting.
3. The horizontal connection structure of the assembled energy-consumption frame shear wall according to claim 1, wherein when the adjacent shear wall and the shear wall pass through a plurality of energy-consumption connecting pieces, a vertical joint with a distance of 4-5 cm is reserved between the two shear walls, and when the adjacent shear wall and the frame column pass through a plurality of energy-consumption connecting pieces, a vertical joint with a distance of 4-5 cm is reserved between the shear wall and the frame column.
4. The horizontal connection structure of a fabricated energy dissipation frame shear wall of claim 3, wherein the plurality of energy dissipation connecting pieces are uniformly arranged along the length direction of the vertical seams.
5. The horizontal connection structure of the assembled energy dissipation frame shear wall of claim 1, wherein the mild steel damper is an elliptical damper.
6. A construction method of a horizontal connection structure of an assembled energy dissipation frame shear wall, which adopts the horizontal connection structure of the assembled energy dissipation frame shear wall of claim 1, comprises the following steps:
firstly, prefabricating a frame column; binding reinforcement cages of the frame column and the hidden beam II, simultaneously binding the embedded part and the reinforcement cage of the frame column, embedding the sleeve into the frame column, supporting a frame column template outside the reinforcement cage, and pouring concrete to form a prefabricated frame column;
step two, prefabricating a shear wall; binding a reinforcement cage of the shear wall and the hidden beam I, binding a reinforcement cage of the shear wall and the hidden column I, simultaneously binding an embedded part and the reinforcement cage of the shear wall, embedding a sleeve into the shear wall, supporting a shear wall template outside the reinforcement cage, and pouring concrete to form a prefabricated shear wall;
step three, prefabricating a bottom beam; binding a reinforcement cage of the bottom beam, supporting a bottom beam template outside the reinforcement cage, and pouring concrete to form a prefabricated bottom beam;
step four, connecting the frame columns and the shear walls with the joint bars of the bottom beams through sleeve grouting respectively; connecting the corresponding first hidden beam with the extending steel bar of the first hidden beam through sleeve grouting, and pouring concrete; connecting the corresponding extending reinforcing steel bars of the first hidden beam and the second hidden beam through sleeve grouting, and pouring concrete;
and fifthly, penetrating the screw rod through the corresponding screw hole of the mild steel damper, sleeving the screw rod on the circular gasket with the hole, and fixing the two ends of the screw rod by nuts to complete the assembly of the horizontal connection structure of the whole assembled energy dissipation frame shear wall.
CN201910535113.4A 2019-06-20 2019-06-20 Horizontal connection structure of assembled energy-consuming frame shear wall and construction method thereof Active CN110241946B (en)

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CN112962824A (en) * 2021-02-07 2021-06-15 西安理工大学 Short-limb steel plate shear wall with replaceable energy consumption component and construction method thereof
CN113463795B (en) * 2021-07-13 2022-11-25 湖北高飞建筑工程有限公司 Frame shear wall building and construction method thereof

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US3738073A (en) * 1972-02-28 1973-06-12 L Boulanger Prefabricated building structures
CN105587050B (en) * 2016-03-03 2017-11-28 大连三川建筑科技有限公司 Assemble shear force wall reinforcing steel bar sleeve connection packer grouting structure and packer grouting method
CN206916997U (en) * 2017-07-06 2018-01-23 青岛理工大学 Wall is waved in a kind of ductility power consumption
CN109457840A (en) * 2018-12-20 2019-03-12 沈阳建筑大学 Prefabricated assembled energy-consuming shear wall-column horizontal connection structure and its construction method
CN109797890B (en) * 2019-02-22 2021-02-19 武汉轻工大学 Intelligent shear wall system and energy dissipation damper model selection method

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