CN206428853U - A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction - Google Patents

A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction Download PDF

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Publication number
CN206428853U
CN206428853U CN201720087907.5U CN201720087907U CN206428853U CN 206428853 U CN206428853 U CN 206428853U CN 201720087907 U CN201720087907 U CN 201720087907U CN 206428853 U CN206428853 U CN 206428853U
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China
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shear
dissipative
energy
prestressed
joint angle
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CN201720087907.5U
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Chinese (zh)
Inventor
张纪刚
马哲昊
梁海志
许卫晓
张春巍
刘菲菲
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青岛理工大学
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Abstract

The utility model is related to building structure aseismatic and passive energy dissipation control field, specifically a kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction;Including precast shear wall, prestressed cable, prefabricated frame trestle, restricted joint angle connector and dissipative member;Set inside precast shear wall in pre-buried corrugated flexible hose, corrugated flexible hose and restricted joint angle connector is provided with prestressed cable, four angles of precast shear wall, restricted joint angle connector is connected with dissipative member;The utility model advantage is that the wall overall deformation for realizing levels is consistent, the overall lateral displacement of control structure, the ability for causing shear wall structure that there is certain Self-resetting simultaneously, overall deformation is also beneficial to the characteristic that Wasted-energy steel plate gives full play to its power consumption, be not in single weak link, and improve integrally-built efficiency of assembling, facilitate site operation, it is effective to shorten the duration, it is cost-effective.

Description

A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction

Technical field

The utility model is related to building structure aseismatic and passive energy dissipation control field, specifically a kind of applicable prefabrication and assembly construction The oblique prestressed shear wall structure system of energy-dissipating and shock-absorbing.

Background technology

The rigidity of conventional reinforced concrete shear wall structure is big, under horizontal force, and lateral deformation is small, and bearing capacity is easy Meet and require, higher skyscraper is built so being widely used in.

On the one hand, structural engineer and study this because uncertain, the sudden and destructiveness of earthquake allow and have to entirely Power is to go to, and for violent earthquake, and engineering structure can not resist firmly, and only way is the ductility for playing structure, to deform reduction Stress is reacted, and is traded space for time, is defeated a force with a tenderness.Shear wall structure, should because flexible arrangement is difficult and rigidity is excessive With also less, a thinking of structure optimization is the rigidity for adjusting structure, is allowed on the premise of specification deformation requirements are met, make Structure is tried one's best softness, the earthquake response suffered by structure is reduced as far as possible, and for the fabricated structure of use, more need Ensure the globality of structure, and the energy dissipation capacity of reinforcement structure, in order to expand the application of shear wall and improve shear wall Anti-seismic performance, many scholars also further investigate to shear wall structure.

On the other hand, existing seimic disaster census shows, cast-in-place shear wall is strong because of good integrity, energy dissipation capacity, in earthquake With good performance, but cast-in-place shear wall structure often damages serious after the big shake of experience, and residual deformation is big.Though many buildings Do not collapse in earthquake so, but need to rebuild due to reinforcement and repair difference, and cast-in-place structural construction is slow, shear wall system cloth Put underaction.Therefore, the demand of industrialized production has also been expedited the emergence of to suitable for prefabricated assembled shear wall structure simultaneously Exploratory development, research shows that the failure mechanism of prefabricated assembled shear wall slab is the shearing slip of the horizontal joint between wallboard With waving for wall, vertical abutment joint primarily serves power consumption effect;Meanwhile, America and Japan joint project PRESSS have developed by post-stretching Through precast shear wall body wallboard and its reinforcing bar or steel strand wires of horizontal joint, hereafter, domestic scholars set posttension to this kind The structure of presstressed reinforcing steel also possesses some special knowledge, though this kind of structure has larger displacement, and residual deformation very little under geological process Or do not have, with very strong self-resetting capability, but maximum defect is that energy dissipation capacity is substantially not enough.

Utility model content

For the shortcoming of shear wall in the prior art, the utility model proposes it is a kind of can the concrete power consumption of prefabrication and assembly construction subtract Oblique prestressed shear wall structure system is shaken, problems of the prior art are solved.

The utility model is achieved through the following technical solutions:A kind of energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction is oblique pre- Stress shear wall structure system, including precast shear wall, prestressed cable, prefabricated frame trestle, restricted joint angle connector and power consumption Component;Set inside precast shear wall in pre-buried corrugated flexible hose, corrugated flexible hose at prestressed cable, four angles of precast shear wall Provided with restricted joint angle connector, restricted joint angle connector is connected with dissipative member, and the restricted joint angle connector is provided with bolt Hole, prestressed cable is connected by restricted joint angle connector with the realization of precast frame Column border node, precast shear wall and precast frame Post is connected by the dissipative member in corner, the dissipative member be shaped as being provided with II type, dissipative member bolt hole, transverse holes and Longitudinal hole.

Further, the pre-buried corrugated flexible hose is diagonally intersected in shear wall, is put in oblique pre-buried corrugated flexible hose Put prestressed cable, the prestressed cable, the mode being cross-linked using floor gap, the presstressed reinforcing steel out of upper strata shear wall It is diagonally diagonally opposed through floor to lower floor's shear wall corner, realize that the wall overall deformation of levels is consistent, prestressing force Drag-line applies prestressing force using post stretching.

Further, it is reserved when the prefabricated frame trestle is poured to apply prestressed hole, and in hole surrounding arrangement office Portion's stiffener is to ensure the intensity of frame joint;Frame column position of joints is provided with connector, during using concrete column, internal Node junction steel plate is set by the way of pre-buried, node junction steel plate by being welded with the rebar cylinder mould inside concrete column, With after-pouring Cheng Zhu.It is equally applicable to internally-arranged type steel column, or steel structure column.

Further, the restricted joint angle connector, when making precast shear wall, restricted joint angle connector is poured solid Tie in the concrete in four corners, playing a part of connection shear wall and other components, while it is overall to improve shear wall body Property effect;The restricted joint angle connector is poured in shear wall corner by pre-buried mode, or passes through the weldering with built-in fitting Tipping is placed in four angular positions of concrete shear force wall.

Further, the dissipative member uses metal material, and dissipative member center section is opened by two pieces of parallel centres It is made up of the connecting plate of longitudinal hole, dissipative member both sides, which are welded with the middle of Wasted-energy steel plate parallel to each other, Wasted-energy steel plate, prolongs vertical Transverse holes are provided with, Wasted-energy steel plate is provided at both ends with bolt hole;Connecting plate in the middle part of dissipative member plays a part of ribbed stiffener, transmission Horizontal force, it is ensured that dissipative member Outside-plate stabilizing, while middle part connecting plate, which is provided with longitudinal hole, enables prestressed cable from centre Pass through.

The beneficial effects of the utility model are:

(1) it is described in the utility model it is a kind of can prefabrication and assembly construction the oblique prestressed shear wall structure of concrete energy-dissipating and shock-absorbing System, by setting the prestressed components such as oblique prestressed cable, reinforcing bar or steel strand wires in shear wall, and uses floor gap The mode being cross-linked, realizes that the wall overall deformation of levels is consistent, can ensure the lateral resisting rigidity of shear wall system not On the premise of loss, the overall lateral displacement of control structure, while so that shear wall structure has the ability of certain Self-resetting, Coordinate overall deformation after shake, overall deformation is also beneficial to the characteristic that Wasted-energy steel plate gives full play to its power consumption, is not in single Weak link, while can also reduce to the connection request between vertical shear wall, when using sleeve connection at this stage, slurry During the mode such as anchor connection or mechanical connection, also reinforcing bar non-integral type can be reduced by integrated prestress between multi-layer walls The loss brought of connection.

(2) it is described in the utility model it is a kind of can prefabrication and assembly construction the oblique prestressed shear wall structure of concrete energy-dissipating and shock-absorbing System, by setting replaceable dissipative member, it is normal use and small shake in the case of, realize frame column and shear wall system Effectively connection, it is ensured that shear wall system and frame system coupling stiffness, can effectively transmit horizontal force, with existing edge member Cast-in-place, non-edge element precast national sector standard is recommended to compare, and overall anti-seismic performance is obviously improved.In big shake effect Under, the plastic deformation that Wasted-energy steel plate begins through plays power consumption effect, structure overall deformation is concentrated on dissipative member;Pass through consumption The connection of energy component and concrete frame joint, increases the margin of safety and energy dissipation capacity of node.Simultaneously because prestressed cable In the presence of, can make structure given full play to during reciprocal displacement deformation Wasted-energy steel plate power consumption effect, can ensure to cut again Reset capability of the power wall system in post-seismic deformation;After earthquake, it can be coordinated by way of demounting bolt in shear wall tiltedly To the self-resetting capability of prestressed component, the dissipative member that quick-replaceable has been damaged is realized.

(3) it is described in the utility model it is a kind of can prefabrication and assembly construction the oblique prestressed shear wall structure of concrete energy-dissipating and shock-absorbing System, the component such as the shear wall system and frame column can all be prefabricated in the factory, and the connection between dissipative member and shear wall, Connection between concrete frame joint and shear wall is the bolt connection using dry type, improves integrally-built assembling effect Rate, connection fixing steel plate is reserved with production, and rapid, accurate dry type connection can be realized when being transported to in-site installation, and conveniently Lifting, can effectively shorten the duration, realize that building structure is accurately assembled soon.

In a word, it is described in the utility model it is a kind of can prefabrication and assembly construction the oblique prestressed shear wall knot of concrete energy-dissipating and shock-absorbing Structure system, the overall lateral displacement of control structure, while so that shear wall consistent with the wall overall deformation for realizing levels Body structure has the ability of certain Self-resetting, and overall deformation is also beneficial to the characteristic that Wasted-energy steel plate gives full play to its power consumption, will not There is single weak link, and improve integrally-built efficiency of assembling, facilitate site operation, effectively shorten the duration, save The advantages of cost.

Brief description of the drawings

Fig. 1 is the utility model overall structure diagram;

Fig. 2 is individual layer precast shear wall structure and frame column structural representation;

Fig. 3 is Fig. 2 front view;

Fig. 4 is dissipative member structural representation;

Fig. 5 is precast shear wall and restricted joint angle connecting-piece structure schematic diagram;

Fig. 6 is precast shear wall and precast frame column connected node partial structural diagram;

In figure:1st, precast shear wall, 2, prestressed cable, 3, prefabricated frame trestle, 4, restricted joint angle connector, 5, power consumption structure Part, 6, Wasted-energy steel plate, 7, transverse holes, 8, bolt hole, 9, connecting plate, 10, longitudinal hole.

Embodiment

The utility model is further illustrated below in conjunction with the accompanying drawings.

A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction, including it is precast shear wall 1, pre- Stress drag-line 2, prefabricated frame trestle 3, restricted joint angle connector 4 and dissipative member 5;Pre-buried corrugated flexible hose inside precast shear wall, Set in corrugated flexible hose and restricted joint angle connector is provided with prestressed cable, four angles of precast shear wall, restricted joint angle connection Part is connected with dissipative member, and the restricted joint angle connector is provided with bolt hole 8, and prestressed cable passes through restricted joint angle connector Realize and be connected with precast frame Column border node, precast shear wall is connected with prefabricated frame trestle by the dissipative member in corner, the consumption Energy Components Shape is to be provided with bolt hole, transverse holes 7 and longitudinal hole 10 on upper II type connected below, dissipative member.

Further, the pre-buried corrugated flexible hose is diagonally intersected in shear wall, is put in oblique pre-buried corrugated flexible hose Put prestressed cable, the prestressed cable, the mode being cross-linked using floor gap, the presstressed reinforcing steel out of upper strata shear wall It is diagonally diagonally opposed through floor to lower floor's shear wall corner, realize that the wall overall deformation of levels is consistent, by setting Put prestressed cable, reinforcing bar or steel strand wires so that shear wall structure has the ability of certain Self-resetting, coordinate whole after shake Body is deformed, and prestressed cable applies prestressing force using post stretching.

Further, it is reserved when the prefabricated frame trestle is poured to apply prestressed hole, and in hole surrounding arrangement office Portion's stiffener is to ensure the intensity of frame joint.Frame column position of joints is provided with connector, during using concrete column, internal Node junction steel plate is set by the way of pre-buried, node junction steel plate by being welded with the rebar cylinder mould inside concrete column, With after-pouring Cheng Zhu;It is equally applicable to internally-arranged type steel column, or steel structure column.

Further, the restricted joint angle connector, in precast shear wall, restricted joint angle connector is poured and is consolidated in In the concrete in four corners, play a part of connection shear wall and other components, make while improving shear wall body globality With;The restricted joint angle connector is poured in shear wall corner by pre-buried mode, or is filled by the welding with built-in fitting It is placed in four angular positions of concrete shear force wall.

Further, the dissipative member uses metal material, and dissipative member center section is opened by two pieces of parallel centres It is made up of the connecting plate 9 of longitudinal hole, dissipative member both sides, which are welded with the middle of Wasted-energy steel plate 6 parallel to each other, Wasted-energy steel plate, prolongs perpendicular To transverse holes are provided with, Wasted-energy steel plate is provided at both ends with bolt hole;Connecting plate in the middle part of dissipative member plays a part of ribbed stiffener, passes Horizontal force is passed, it is ensured that dissipative member Outside-plate stabilizing, while middle part connecting plate, which is provided with longitudinal hole, enables prestressed cable therefrom Between pass through.

In construction, the shear wall before pouring, with the mode of welding will play the Interal fixation of constraint connection function in On the rebar cylinder mould in four corners of precast shear wall, junction steel plate is slightly long compared with shear wall, after casting concrete, in shear wall Expose the sheet steel sections for connection in four corners.Meanwhile, before shear wall is poured, by corrugated flexible hose colligation in shear wall In interior rebar cylinder mould, it is arranged in oblique cornerwise angle or obliquely through the angle at wall bottom midpoint inside wall, Hole is left in the outlet port that pre-buried pipeline is arranged at wall corner and bottom, top, pours and built-in prestressed pipe is completed after finishing The precast shear wall body in road.

The frame column, pre-buried junction steel plate is in the top of frame column when being prefabricated in the factory, while remaining for corrugated flexible hose in advance The hole passed through.

During construction, it is bolted and replaceable dissipative member is arranged on frame column, while dissipative member is another End is connected with the constraint junction steel plate in four corners of precast shear wall body, again by bolt connection.

Then, deformed bar, steel strand wires are penetrated in the pipeline being embedded in wall by reserved hole, passed through down After the bean column node of layer framework, prestressed reinforcement of tensioning or steel strand wires, and prestressing force is applied to deformed bar or steel strand wires;Two Story shear wall is cross-linked fixation as a tensioning entirety in floor gap.

Vertical connection can be using sleeve connection, slurry anchor connection and mechanical connection etc. between shear wall.

Claims (5)

1. a kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction, it is characterised in that cut including prefabricated Power wall (1), prestressed cable (2), prefabricated frame trestle (3), restricted joint angle connector (4) and dissipative member (5);Precast shear wall (1) set to be provided with prestressed cable (2), four angles of precast shear wall (1) in internal pre-buried corrugated flexible hose, corrugated flexible hose and turn Angle constraint connector (4), restricted joint angle connector (4) is connected with dissipative member (5), set on the restricted joint angle connector (4) There is bolt hole (8), prestressed cable (2) is realized with prefabricated frame trestle (3) node by restricted joint angle connector (4) and is connected, in advance Shear wall (1) processed is connected with prefabricated frame trestle (3) by the dissipative member (5) in corner, and the dissipative member (5) is shaped as II Bolt hole (8), transverse holes (7) and longitudinal hole (10) are provided with type, dissipative member (5).
2. the oblique prestressed shear wall structure system of a kind of energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction according to claim 1, It is characterized in that the pre-buried corrugated flexible hose is diagonally intersected in shear wall, prestressing force is placed in oblique pre-buried corrugated flexible hose Drag-line (2), the mode that the prestressed cable (2) is cross-linked using floor gap, from the presstressed reinforcing steel edge in the shear wall of upper strata It is oblique diagonally opposed through floor to lower floor's shear wall corner, realize that the wall overall deformation of levels is consistent, prestressing force is drawn Rope (2) applies prestressing force using post stretching.
3. the oblique prestressed shear wall structure system of a kind of energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction according to claim 1, Apply prestressed hole it is characterized in that being reserved when the prefabricated frame trestle (3) pours, and add in hole surrounding arrangement part Strong reinforcing bar is to ensure the intensity of frame joint;Prefabricated frame trestle (3) position of joints is provided with connector, during using concrete column, Inside sets node junction steel plate by the way of pre-buried, and node junction steel plate with the rebar cylinder mould inside concrete column by welding Connect, with after-pouring Cheng Zhu;It is equally applicable to internally-arranged type steel column, or steel structure column.
4. the oblique prestressed shear wall structure system of a kind of energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction according to claim 1, It is characterized in that the restricted joint angle connector (4), when making precast shear wall (1), restricted joint angle connector (4) is poured In the concrete for being consolidated in four corners, play a part of connection shear wall and other components, while it is whole to improve shear wall body Body is acted on;The restricted joint angle connector (4) is poured in shear wall corner by pre-buried mode, or by with built-in fitting Welder in four angular positions of concrete shear force wall.
5. the oblique prestressed shear wall structure system of a kind of energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction according to claim 1, It is characterized in that the dissipative member (5) uses metal material, dissipative member (5) center section is provided with by two pieces of parallel centres Connecting plate (9) composition of longitudinal hole (10), dissipative member (5) both sides are welded with Wasted-energy steel plate (6) parallel to each other, Wasted-energy steel plate (6) prolong in the middle of and be vertically provided with transverse holes (7), Wasted-energy steel plate (6) is provided at both ends with bolt hole (8);Company in the middle part of dissipative member (5) Fishplate bar (9) plays a part of ribbed stiffener, horizontal force is transmitted, it is ensured that dissipative member (5) Outside-plate stabilizing, while middle part connecting plate (9) longitudinal hole (10) is provided with so that prestressed cable (2) can pass through from centre.
CN201720087907.5U 2017-01-23 2017-01-23 A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction CN206428853U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109898743A (en) * 2019-03-01 2019-06-18 北京工业大学 A kind of Self-resetting L-type part connection foot joint adding replaceable oblique anti-side BRB
CN110195480A (en) * 2019-05-29 2019-09-03 武汉理工大学 Fabricated shear wall vertical connection structure with energy consumption and automatic recovery ability
CN110318464A (en) * 2019-05-21 2019-10-11 宁波工程学院 A kind of Self-resetting frame structure
CN110318478A (en) * 2019-05-21 2019-10-11 宁波工程学院 A kind of Self-resetting assembly concrete girder construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109898743A (en) * 2019-03-01 2019-06-18 北京工业大学 A kind of Self-resetting L-type part connection foot joint adding replaceable oblique anti-side BRB
CN110318464A (en) * 2019-05-21 2019-10-11 宁波工程学院 A kind of Self-resetting frame structure
CN110318478A (en) * 2019-05-21 2019-10-11 宁波工程学院 A kind of Self-resetting assembly concrete girder construction
CN110195480A (en) * 2019-05-29 2019-09-03 武汉理工大学 Fabricated shear wall vertical connection structure with energy consumption and automatic recovery ability

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