CN113482166A - Shear wall connecting assembly and shear wall structure - Google Patents
Shear wall connecting assembly and shear wall structure Download PDFInfo
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- CN113482166A CN113482166A CN202110813931.3A CN202110813931A CN113482166A CN 113482166 A CN113482166 A CN 113482166A CN 202110813931 A CN202110813931 A CN 202110813931A CN 113482166 A CN113482166 A CN 113482166A
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- 238000000429 assembly Methods 0.000 claims description 6
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- 229910000851 Alloy steel Inorganic materials 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 2
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- 229910001369 Brass Inorganic materials 0.000 description 1
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
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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
- 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
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a shear wall connecting assembly and a shear wall structure, and relates to the technical field of building structures. The first fastener is provided with a through hole, the first connecting plate is used for being erected at the edge of the through hole, and the first connecting piece is used for penetrating through the through hole and being detachably connected with the first connecting plate. The first fastener and the second fastener are respectively connected with the first concrete member and the second concrete member. In the earthquake process, the first connecting piece pulls the first connecting plate, and simultaneously, under the supporting force action at the edge of the through hole, the first connecting plate is subjected to plastic bending deformation, so that the effect of protecting the first connecting piece to keep the first connecting piece elastic is achieved, and low damage or no damage of a concrete member is ensured. And the joint of the first concrete member and the second concrete member after the earthquake can be closed under the action of the tensile force of the first connecting piece, and the first connecting plate can be conveniently replaced after the earthquake.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to a shear wall connecting assembly and a shear wall structure.
Background
In the field of buildings, bolt connection is a common dry connection mode, has the characteristics of high standardization degree and high construction speed, and is one of important ways for popularizing industrial production and construction of fabricated concrete buildings.
Bolted joints between concrete elements typically join two concrete elements together by bolts that pass through a splice between the two concrete elements. And transfers load between concrete members by the tensile and shear of the bolts. Concrete members include, but are not limited to, foundations, shear walls. When the bolt is used for connection, the bolt is often designed according to a 'strong connection' principle, namely the bolt keeps elasticity but does not yield under the action of an earthquake, so that plastic damage usually occurs in a concrete member.
Particularly, when two concrete members are connected by adopting the bolts, because the strength of the bolts is high, the plastic damage usually cannot occur at the bolt connection part and easily occurs in the concrete members, so that the concrete members are not easy to repair after the earthquake. Therefore, how to solve the problem that the bolt connection manner in the prior art is easy to cause damage in the concrete member, so that the concrete member is not easy to repair after an earthquake is a technical problem that needs to be solved by those in the art.
Disclosure of Invention
The invention provides a shear wall connecting component and a shear wall structure capable of avoiding or reducing the damage of a prefabricated component, which are used for solving the defect that the prefabricated component is not easy to repair after an earthquake due to the fact that the damage is easy to occur in the prefabricated component in a bolt connecting mode in the prior art, and achieving the effect that the damage is generated at the shear wall connecting component so as to be convenient to maintain and replace.
The invention provides a shear wall connecting assembly which comprises a first connecting structure, wherein the first connecting structure comprises a first connecting piece, a first fastener and a first connecting plate;
the first connecting piece and the first fastener are used for being connected with a first concrete member and a second concrete member respectively;
the first fastener is provided with a through hole, the first connecting plate is erected at the edge of the through hole, and the first connecting piece is used for penetrating through the through hole and detachably connected with the first connecting plate.
According to the shear wall connecting assembly provided by the invention, the first connecting structure further comprises a backing plate, the size of the backing plate is smaller than that of the through hole, the backing plate is arranged in the through hole, and a first through hole for the first connecting piece to pass through is formed in the backing plate.
According to the shear wall connecting assembly provided by the invention, the first connecting structure further comprises a first nut, a second through hole for the first connecting piece to pass through is formed in the first connecting plate, and the first connecting piece passes through the second through hole and is in threaded connection with the first nut.
According to the shear wall connecting assembly provided by the invention, the first fastener is arranged into the first box body structure with an opening at one side, the through hole is formed in the box wall at the bottom of the first box body structure, and the first connecting plate is arranged inside the first box body structure.
The shear wall connecting assembly further comprises a second connecting structure, wherein the second connecting structure comprises a second connecting piece, a second fastener and a second connecting plate;
wherein the second connector and the second fastener are used for being connected with the first concrete member and the third concrete member respectively;
the second fastener is provided with a through sliding groove, the second connecting plate is used for being erected at the edge of the sliding groove, and the second connecting piece is used for penetrating through the sliding groove and detachably connected with the second connecting plate.
According to the shear wall connecting assembly provided by the invention, a friction plate is arranged between the second fastener and the second connecting plate, and a third through hole for the second connecting piece to pass through is formed in the friction plate.
According to the shear wall connecting assembly provided by the invention, the second connecting structure further comprises a second nut, a fourth through hole for the second connecting piece to pass through is formed in the second connecting plate, and the second connecting piece passes through the fourth through hole and is in threaded fit with the second nut.
According to the shear wall connecting assembly provided by the invention, the number of the second connecting members is at least two, and at least two second connecting members are distributed along the length direction of the sliding groove.
According to the shear wall connecting assembly provided by the invention, the second fastener is arranged into a second box body structure with an opening at one side, the sliding groove is arranged on the box wall at the bottom of the second box body structure, and the second connecting plate is arranged inside the second box body structure.
The invention also provides a shear wall structure which comprises a plurality of shear wall units connected with each other and a plurality of shear wall connecting assemblies as described in any one of the above, wherein the shear wall connecting assemblies are arranged between two adjacent shear wall units.
The shear wall connecting assembly provided by the invention is respectively connected with the first concrete member and the second concrete member through the first connecting piece and the first fastener. The first connecting plate is erected at the through hole of the first fastener, and the first connecting piece penetrates through the through hole to be connected with the first connecting plate. In the earthquake process, the joint of the first concrete member and the second concrete member is continuously opened and closed, so that the first connecting piece pulls the first connecting plate. And under the simultaneous action of the tensile force of the first connecting piece and the supporting force of the edge of the through hole, the first connecting plate is subjected to plastic bending deformation so as to protect the first connecting piece, keep the first connecting piece elastic, and enable damage to occur at the first connecting plate, thereby ensuring low damage or no damage of the concrete member. And the joint of the first concrete member and the second concrete member can be closed after the earthquake under the action of the tensile force of the first connecting piece, namely, the building structure can be self-restored, so that the building structure has good toughness. And the damaged first connecting plate can be replaced very conveniently after the earthquake.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a shear wall structure provided by the present invention;
FIG. 2 is a schematic view of a first connection configuration of a shear wall connection assembly provided by the present invention;
FIG. 3 is a schematic view of a connection structure of a first connecting member and a first connecting plate according to the present invention;
FIG. 4 is a schematic structural diagram of a first case structure provided by the present invention;
FIG. 5 is a schematic structural view of a second connection configuration of a shear wall connection assembly provided by the present invention;
FIG. 6 is a schematic structural view of a second connecting plate provided by the present invention;
FIG. 7 is a schematic structural view of a friction plate provided by the present invention;
reference numerals:
1: a first connecting structure; 102: a first connecting member; 104: a first connecting plate;
106: a through hole; 108: a base plate; 110: a first nut;
112: a first box structure; 2: a second connecting structure; 202: a second connecting member;
204: second cartridge structure 206: a second connecting plate; 208: a chute;
210: friction plate 212: a third through hole; 214: a fourth via hole;
216: a second nut; 3: a U-shaped rib; 4: a shear wall;
5: and (4) a foundation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Shear wall connection assemblies in embodiments of the invention are described below in conjunction with fig. 1-7.
In particular, the shear wall connection assembly comprises a first connection structure 1. The first connecting structure 1 includes a first connecting member 102, a first fastener, and a first connecting plate 104. The first connector 102 and the first fastener are used to connect with the first concrete member and the second concrete member, respectively. The first fastener has a through hole 106. The first connection plate 104 is lapped at the edge of the through-hole 106, and is capable of plastic deformation at the through-hole 106. Further, the first connecting plate 104 is a plastically deformable first connecting plate 104. For example, the first connection plate 104 may be a bendable metal plate. The metal plate includes, but is not limited to, a steel plate. The first connecting member 102 is detachably connected to the first connecting plate 104 through the through hole 106.
So configured, the first connector 102 and the first fastener are connected to the first concrete member and the second concrete member, respectively. For example, as shown in fig. 1, the first concrete element may be a shear wall 4 and the second concrete element may be a foundation 5. Alternatively, the second concrete element may also be a shear wall 4 arranged above or below the shear wall 4. The first connecting plate 104 is disposed at the through hole 106 of the first fastener, and the first connecting member 102 passes through the through hole 106 to connect with the first connecting plate 104. During an earthquake, the joint of the first concrete member and the second concrete member is continuously opened and closed, so that the first connecting piece 102 pulls the first connecting plate 104. And under the simultaneous action of the pulling force of the first connecting piece 102 and the supporting force of the edge of the through hole 106, the first connecting plate 104 is subjected to plastic bending deformation, so that the effect of protecting the first connecting piece and keeping the first connecting piece elastic is achieved, and the damage is caused at the first connecting plate 104, so that the low damage or no damage of the concrete member is ensured. And, the joint of the first concrete member and the second concrete member can be closed after the earthquake under the tensile force of the first connector 102, that is, the building structure can be self-reset, so that the building structure has good toughness. The damaged first connecting plate 104 can be easily replaced after a earthquake, so that the building structure can be quickly restored.
In some embodiments provided by the present invention, the first connection structure 1 further comprises a backing plate 108. The size of the backing plate 108 is smaller than the size of the through-hole 106, and the backing plate 108 is disposed within the through-hole 106. The backing plate 108 is provided with a first through hole for the first connecting member 102 to pass through. By providing the pad 108, the first connecting member 102 can abut against the hole wall of the first through hole on the pad 108, and the pad 108 abuts against the hole wall of the through hole 106. Thereby avoiding relative horizontal displacement of the first concrete element and the second concrete element. For example, as shown with reference to fig. 1, relative horizontal displacement between the shear wall 4 and the foundation 5, or between two vertically adjacent shear walls 4, may be prevented.
In some embodiments provided by the present invention, the first connection structure 1 further comprises a first nut 110. The first connecting plate 104 is provided with a second through hole for the first connecting element 102 to pass through. The first connector 102 is threaded with the first nut 110 through the second through hole. Through first nut 110 and first connecting piece 102 threaded connection to make first connecting piece 102 can dismantle with first connecting plate 104 and be connected, can conveniently change first connecting plate 104. In addition, the first nuts 110 can improve the connection efficiency between the concrete members and shorten the construction period.
Alternatively, the first connector 102 may be a high-strength bolt. The first end of the first connecting member 102 may be embedded inside a concrete member such as the shear wall 4 or the foundation 5. The second end of the first connector 102 may be adapted to threadably engage the first nut 110.
In some embodiments provided herein, the first fastening component is configured as a first box structure 112 with an opening on one side. The through hole 106 is provided in the bottom box wall of the first box structure 112. The first linkage plate 104 is adapted to be disposed within the first cassette structure 112. So set up, first box structure 112 can be pre-buried in the concrete member and for first nut 110 provides installation space, the opening of the first side of first box structure 112 can supply the constructor to twist soon the nut, dismouting first connecting plate 104.
Optionally, the first box structure 112 is filled with a high-strength grouting material. The first box structure 112 can be supported by filling the first box structure 112 with high-strength grouting material, and the first connecting member 102 and the first nut 110 are protected from being rusted.
Alternatively, the first box structure 112 may be integrally formed by stamping with low carbon steel or low alloy steel, so that the first box structure 112 has better structural strength.
Optionally, the first box structure 112 is further provided with a U-shaped rib 3. Through setting up U-shaped muscle 3, can increase the bonding area with the concrete component to increase the joint strength of first box structure 112 and concrete component.
In some embodiments provided by the present invention, the shear wall connection assembly further comprises a second connection structure 2. The second connecting structure 2 includes a second connecting member 202, a second fastening member, and a second connecting plate 206. Wherein the second connector 202 and the second fastener are used for connecting with the first concrete member and the third concrete member, respectively. The second fastener is provided with a chute 208 which is arranged in a penetrating way. The second connecting plate 206 is adapted to be set up at the chute 208. The second connector 202 is adapted to be removably coupled to the second connector plate 206 through the slide groove 208.
So configured, the first concrete member and the third concrete member are connected by the second connector 202 and the second fastener, respectively. For example, the first concrete element may be a shear wall 4 and the third concrete element may be a shear wall 4 horizontally adjacent to the shear wall 4. The second connecting plate 206 is disposed at the sliding groove 208 of the second fastener, and the second connecting member 202 passes through the through hole 106 and is connected to the second connecting plate 206. In the earthquake process, first concrete member and third concrete member produce relative translation in the junction for second connecting piece 202 slides along spout 208, and second connecting piece 202 drives second connecting plate 206 and second fastener relative displacement simultaneously and produces the friction, with dissipation seismic energy, reduces building structure's rocking or amplitude of swaying, thereby reaches the effect that reduces the damaged degree of building structure.
In some embodiments of the present invention, a friction plate 210 is disposed between the second fastening member and the second connection plate 206, and the friction plate 210 is provided with a third through hole 212 for the second connection member 202 to pass through. The second connector 202 is connected to the second connecting plate 206 through a friction plate 210. Through setting up friction disc 210 can play better energy consumption effect to wear out unable back of using in friction disc 210, can conveniently change. Alternatively, friction plate 210 includes, but is not limited to, brass or polypropylene plates.
In some embodiments provided by the present invention, the second connection structure 2 further comprises a second nut 216. The second connecting plate 206 is provided with a fourth through hole 214 for the second connector 202 to pass through, and the second connector 202 passes through the fourth through hole 214 and is in threaded fit with the second nut 216. The second connecting plate 206 can be conveniently mounted and dismounted by screwing the second nut 216 and the second connecting piece 202 to detachably connect the second connecting piece 202 and the second connecting plate 206. In addition, the second nuts 216 can improve the connection efficiency between the concrete members and shorten the construction period.
Alternatively, the second connector 202 may be a high strength bolt. The first end of the second connector 202 may be pre-buried inside a concrete member such as the shear wall 4. The second end of the second connector 202 may be adapted to be threadably engaged with a second nut 216.
Optionally, a spacer is provided between the second nut 216 and the second connecting plate 206. For example, the shims include, but are not limited to, anti-loose shims.
In some embodiments provided by the present invention, the number of second connectors 202 is at least two. At least two second connectors 202 are distributed along the length of the chute 208. Through setting up two first connecting pieces 102, can fix a position friction disc 210 and second connecting plate 206, prevent that friction disc 210 and second connecting plate 206 from appearing rotating in the friction process to guarantee that second connection structure 2 can play better friction energy consumption effect.
In some embodiments provided herein, the second fastening component is configured as a second box structure 204 with an opening on a first side. The chute 208 is provided in the box wall at the end of the second box structure 204. The second connecting panel 206 is disposed within the first box structure 112. Thus, the second box structure 204 can be pre-embedded in the concrete member and provide an installation space for the second nut 216, and the opening on the first side of the second box structure 204 can be used by the constructor to screw the nut, disassemble and assemble the second connecting plate 206 or disassemble and assemble the friction plate 210.
Optionally, the second box structure 204 is filled with a flexible fire-resistant material. Through filling flexible fire-proof material in second box structure 204, can protect on the one hand second connecting piece 202 and second nut 216 can not the corrosion, on the other hand can improve fire behavior. For example, the flexible fire-resistant material includes, but is not limited to, rock wool or glass wool.
Alternatively, the second box structure 204 can be integrally formed by stamping with low carbon steel or low alloy steel, so that the second box structure 204 has better structural strength.
Optionally, a U-shaped rib 3 is further provided on the second box structure 204. Through setting up U-shaped muscle 3, can increase the bonding area with the concrete component to increase the joint strength of second box structure 204 and concrete component.
Embodiments of the present invention also provide a shear wall structure comprising a plurality of shear wall units connected to one another and a plurality of shear wall connection assemblies as described in any one of the above. The shear wall connecting assembly is arranged between two adjacent shear wall units. Further, the first connecting structure 1 is disposed between two adjacent shear wall units. For example, the first connecting member 102 and the first fastening member are respectively connected to two shear wall units adjacent to each other up and down. The second connecting structure 2 is arranged between two horizontally adjacent shear wall units. For example, the second connecting member 202 and the second fastening member are respectively connected to two horizontally adjacent shear wall units.
With the arrangement, during an earthquake, the first connecting plate 104 of the first connecting structure 1 between the two shear wall units adjacent to each other above and below can be subjected to yielding bending deformation, so that damage is caused in the first connecting structure 1, and the two shear wall units adjacent to each other above and below are prevented from being damaged. And under the action of the first connecting piece 102, the two shear wall units can be automatically reset after an earthquake, so that the shear wall structure has good toughness. Moreover, the first connecting plate 104 can be conveniently replaced after an earthquake, so that the shear wall structure can quickly recover the structure function.
The two horizontally adjacent shear wall units are connected through the second connecting structure 2, and the second connecting structure 2 can be used for consuming seismic energy through friction by utilizing the relative displacement of the two horizontally adjacent shear wall units, so that the effects of reducing the seismic response and the damage degree of the shear wall structure are achieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A shear wall connecting assembly is characterized by comprising a first connecting structure, wherein the first connecting structure comprises a first connecting piece, a first fastener and a first connecting plate;
the first connecting piece and the first fastener are used for being connected with a first concrete member and a second concrete member respectively;
the first fastener is provided with a through hole, the first connecting plate is erected at the edge of the through hole, and the first connecting piece penetrates through the through hole and is detachably connected with the first connecting plate.
2. The shear wall connection assembly of claim 1, wherein the first connection structure further comprises a backing plate, the backing plate is smaller in size than the through hole and is disposed in the through hole, and a first through hole is provided on the backing plate for the first connection member to pass through.
3. The shear wall connection assembly of claim 1, wherein the first connection structure further comprises a first nut, the first connection plate is provided with a second through hole for the first connection member to pass through, and the first connection member passes through the second through hole and is in threaded connection with the first nut.
4. The shear wall connection assembly of claim 1, wherein the first fastener is provided as a first box structure having an opening at one side, the through hole is provided on a box wall at a bottom of the first box structure, and the first connection plate is provided inside the first box structure.
5. The shear wall connection assembly of claim 1, further comprising a second connection structure comprising a second connection member, a second fastener, and a second connection plate;
wherein the second connector and the second fastener are used for being connected with the first concrete member and the third concrete member respectively;
the second fastener is provided with a through sliding groove, the second connecting plate is erected at the edge of the sliding groove, and the second connecting piece penetrates through the sliding groove and is detachably connected with the second connecting plate.
6. A shear wall connection assembly according to claim 5, wherein a friction plate is provided between the second fastening member and the second connecting plate, and a third through hole is provided in the friction plate for the second connecting member to pass through.
7. The shear wall connection assembly of claim 5, wherein the second connection structure further comprises a second nut, the second connection plate is provided with a fourth through hole for the second connection member to pass through, and the second connection member passes through the fourth through hole and is in threaded fit with the second nut.
8. The shear wall connection assembly of claim 5, wherein the number of the second connecting members is at least two, and at least two of the second connecting members are distributed along the length of the chute.
9. The shear wall connection assembly of claim 5, wherein the second fastener is configured as a second box structure with an opening at one side, the sliding groove is configured on the box wall at the bottom of the second box structure, and the second connecting plate is configured inside the second box structure.
10. A shear wall structure comprising a plurality of shear wall units connected to one another and a plurality of shear wall connection assemblies as claimed in any one of claims 1 to 9, the shear wall connection assemblies being disposed between adjacent two of the shear wall units.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110813931.3A CN113482166B (en) | 2021-07-19 | 2021-07-19 | Shear wall connecting assembly and shear wall structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110813931.3A CN113482166B (en) | 2021-07-19 | 2021-07-19 | Shear wall connecting assembly and shear wall structure |
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| CN113482166A true CN113482166A (en) | 2021-10-08 |
| CN113482166B CN113482166B (en) | 2023-08-11 |
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