CN215106084U - Shock-absorbing connecting structure for asymmetric building and connecting body - Google Patents

Shock-absorbing connecting structure for asymmetric building and connecting body Download PDF

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Publication number
CN215106084U
CN215106084U CN202120874487.1U CN202120874487U CN215106084U CN 215106084 U CN215106084 U CN 215106084U CN 202120874487 U CN202120874487 U CN 202120874487U CN 215106084 U CN215106084 U CN 215106084U
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support
shock
supporting unit
asymmetric
connecting body
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高向华
李晓春
丁宏宇
佟晓琪
龙文新
胡旭辉
郭传林
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SIPPR Engineering Group Co Ltd
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SIPPR Engineering Group Co Ltd
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Abstract

The utility model discloses a shock absorption connecting device for asymmetric buildings and connectors, which comprises a pair of connecting structures with the same structure, wherein each pair of connecting structures comprises a plurality of shock absorption supporting units, each shock absorption supporting unit comprises an inclined support and a horizontal support which are fixedly connected on a frame column, and the top of the inclined support is welded at the bottom of the horizontal support; the upper surface of the horizontal support is provided with a friction pendulum support for supporting the connecting body; each pair of connecting structures also comprises an elastic supporting unit, one end of each elastic supporting unit is fixedly connected to the frame column, and the other end of each elastic supporting unit is abutted to the connecting body. The shock insulation supporting unit of the utility model also weakens the mutual influence between the two asymmetric building structures while ensuring the reliable connection between the connecting body and the horizontal support; the elastic supporting unit between the connecting body and the frame column can reduce the displacement of the shock insulation supporting unit under the action of earthquake and can also ensure the reliable connection of the connecting body and the asymmetric building structure.

Description

Shock-absorbing connecting structure for asymmetric building and connecting body
Technical Field
The utility model belongs to the technical field of the building and specifically relates to a shock attenuation connection structure that is used for asymmetric building and connector.
Background
In recent years, asymmetric high-rise conjoined building structures are widely applied, asymmetric buildings (such as asymmetric towers) on two sides mostly adopt a frame-core tube or frame-shear wall structure, and two symmetric buildings are connected through a connector, wherein the connector plays an important role in coordinating and restricting deformation and relative displacement of the asymmetric building structures, so that the connection between the connector and the asymmetric building structures is of great importance. However, the existing connecting structure has a complex structure, so that the stress of the whole structure of the connecting body is complex, the earthquake response is large, the mutual influence between the asymmetric building structures is large, and the earthquake resistance is poor.
Disclosure of Invention
An object of the utility model is to provide a shock attenuation connection structure for asymmetric building and connector can effectively reduce the earthquake response of connector, has weakened two asymmetric building structure's interact, effectively guarantees the reliable connection between connector and the asymmetric building structure.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses a shock attenuation connecting device for asymmetric building and connector, including a pair of connection structure that the structure is the same, every pair of connection structure all includes a plurality of shock insulation support unit, shock insulation support unit includes bearing diagonal and the horizontal brace that links firmly on the frame post, the top welding of bearing diagonal is in the bottom of horizontal brace; the upper surface of the horizontal support is provided with a friction pendulum support for supporting the connecting body;
each pair of connecting structures also comprises a plurality of elastic supporting units arranged at intervals, one end of each elastic supporting unit is fixedly connected on the frame column, and the other end of each elastic supporting unit is abutted against the connecting body.
In a preferred embodiment of the present invention, the elastic support unit is a horizontally disposed damper. More preferably, the damper is a viscous damper.
The utility model discloses an among the preferred embodiment, the friction pendulum support is two-way activity type friction pendulum support, can effectively guarantee the interact between connector and the asymmetric building structure, has improved anti-seismic performance.
In the preferred embodiment of the present invention, the diagonal braces and the horizontal braces are steel box girders. More preferably, the inner cavity of the diagonal brace is filled with micro-expansive concrete.
The utility model has the advantages that the steel triangular supports enclosed by the inclined supports and the horizontal supports are used as the supports, the bearing performance is good, the structure is stable, and the construction requirements of the connector are effectively met; meanwhile, the bottom of the connecting body and the horizontal support are provided with the shock insulation supporting unit, so that the reliable connection of the connecting body and the horizontal support is ensured, and the mutual influence between the two asymmetric building structures is weakened; the elastic supporting unit between the connecting body and the frame column can reduce the displacement of the shock insulation supporting unit under the action of earthquake and can also ensure the reliable connection of the connecting body and the asymmetric building structure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural view of the seismic isolation support unit of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly;
the description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Meanwhile, it should be noted that the asymmetric building in this embodiment is specifically referred to as an asymmetric tower.
As shown in fig. 1-2, a shock attenuation connecting device for asymmetric building and connector, including the same connection structure of a pair of structure, one of them connection structure sets up on the frame post 1 of asymmetric tower, and another connection structure sets up on the frame of another asymmetric tower, and the bottom level of connector 2 sets up on two connection structure, realizes two asymmetric tower and the reliable connection of connector 2. Specifically, the method comprises the following steps:
as shown in fig. 1-3, each connection structure includes three shock-insulation support units having the same structure and arranged at intervals in the front-back direction, each shock-insulation support unit includes an inclined support 3.1, a horizontal support 3.2 fixedly connected to a frame column 1, and a friction pendulum support 3.3 (preferably, a bidirectional movable friction pendulum support) arranged on the horizontal support 3.2, each of the inclined support 3.1 and the horizontal support 3.2 is a steel box beam structure made of steel plates, one end of the horizontal support 3.2 is welded to the steel box column 1.1 in the frame column 1, while the other end is welded to the top end of the inclined support 3.1, the lower end of the inclined support 3.1 is welded to the steel box column 1.1, and the inclined support 3.1, the horizontal support 3.2 and the steel box column 1.1 enclose a triangular support, thereby improving the structural stability; the bottom of the connecting body 2 is located on the friction pendulum support 3.3, so that the reliable connection of the connecting body 2 and the asymmetrical tower can be ensured, and the mutual influence between the asymmetrical towers is weakened;
as shown in fig. 1-2, the connection structure further includes a plurality of elastic support units, each elastic support unit is a horizontally disposed damper 4 (preferably, a viscous damper), one end of each damper 4 abuts against the frame column 1, and the other end of each damper 4 abuts against the lower chord of the connection body 2, so that displacement of the friction pendulum support 3.3 under the action of an earthquake is effectively reduced, impact energy of the earthquake on the connection body 2 can be absorbed and consumed to the maximum extent, and impact and damage of the earthquake on the connection body 2 can be relieved.
The utility model discloses a construction method of shock attenuation connection structure, including following step:
firstly, pre-burying a steel box column 1.1 (prefabricated by steel plates) at the design position of each asymmetric tower;
secondly, prefabricating a horizontal support 3.2 and an inclined support 3.1 by using steel plates (the upper port of the inclined support 3.1 is horizontally arranged so as to be welded with the horizontal support 3.2, and the lower port of the inclined support is vertically arranged so as to be welded with a steel box column 1.1), wherein one end part of the horizontal support 3.2 is provided with a pair of vertically corresponding grouting holes (the aperture is 80-120 mm), the bottom steel plate of the horizontal support 3.2 is provided with four grout overflow holes 3.21 (the aperture is 20-30 mm) at intervals by taking the grouting holes as the center, and the side steel plate of the horizontal support 3.2 is provided with a grout overflow observation hole 3.22 (the aperture is 20-30 mm) for observing the grouting condition, which is shown in figure 3 specifically;
thirdly, welding the upper port of the inclined support 3.1 on the bottom steel plate of the horizontal support 3.2, and ensuring that the grout overflow hole 3.21 and the grouting hole are vertically corresponding to the upper port of the inclined support 3.1; the horizontal support 3.2 provides an operation surface for the pouring of the inclined support 3.1, the pouring of the inclined support 3.1 can be realized without additionally erecting an overhanging platform, and the construction difficulty is reduced;
fourthly, hoisting the connecting body 2 (namely the corridor) between two asymmetric towers to ensure that the hoisting height of the connecting body 2 is higher than the design height of the horizontal support 3.2; then hoisting the horizontal support 3.2 and the inclined support 3.1 which are welded together to a designed height, welding the other end of the horizontal support 3.2 on the steel box column 1.1, and welding the lower port of the inclined support 3.1 on the steel box column 1.1 below the horizontal support 3.2, as shown in fig. 3 specifically;
repeating the third step and the fourth step, and welding an inclined support 3.1 and a horizontal support 3.2 on each steel box column 1.1;
fifthly, penetrating a grouting pipe 5 into an inner cavity of the inclined support 3.1 from top to bottom through a grouting hole, injecting micro-expansion concrete into the inner cavity of the inclined support 3.1, observing the grouting condition through a grout overflow observation hole 3.22 during grouting, stopping grouting when grout overflows from the grout overflow hole 3.21, effectively avoiding a gap between a bottom steel plate of the horizontal support 3.2 and the micro-expansion concrete, and ensuring the reliable connection between the horizontal support 3.2 and the inclined support 3.1;
then repeating the operation, and finishing the grouting operation of other inclined struts 3.1 in sequence;
sixthly, when the micro-expansion concrete reaches more than 70% of the design strength, placing a friction pendulum support 3.3 on each horizontal support 3.2, and then downwards hoisting the connecting body 2 to a certain height to enable the connecting body to be located on the friction pendulum supports 3.3;
seventhly, pouring the frame column 1 and the structure main body of each asymmetric tower at the designed position, and embedding the steel box column 1.1 in the frame column 1; then install a attenuator 4 between every inclined plane of the main structure body that is close to frame post 1 and vestibule, accomplish the utility model discloses shock attenuation connection structure's construction operation.
It should be emphasized that the above-described embodiments are merely exemplary embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications, substitutions, improvements, etc. within the technical scope of the present invention, and these modifications and improvements should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A shock-absorbing connector for asymmetric buildings and connectors, comprising a pair of structurally identical connecting structures, characterized in that: each pair of connecting structures comprises a plurality of shock insulation supporting units, each shock insulation supporting unit comprises an inclined support and a horizontal support, the inclined supports and the horizontal supports are fixedly connected to the frame columns, and the tops of the inclined supports are welded to the bottoms of the horizontal supports; the upper surface of the horizontal support is provided with a friction pendulum support for supporting the connecting body; each pair of connecting structures also comprises a plurality of elastic supporting units arranged at intervals, one end of each elastic supporting unit is fixedly connected on the frame column, and the other end of each elastic supporting unit is abutted against the connecting body.
2. The shock-absorbing coupling structure for asymmetric buildings and coupling bodies according to claim 1, wherein: the elastic supporting unit is a horizontally arranged damper.
3. The shock-absorbing coupling structure for asymmetric buildings and coupling bodies according to claim 2, wherein: the damper is a viscous damper.
4. The shock-absorbing coupling structure for asymmetric buildings and coupling bodies according to claim 1, wherein: the friction pendulum support is a bidirectional movable friction pendulum support.
5. The shock-absorbing coupling structure for asymmetric buildings and coupling bodies according to claim 1, wherein: the inclined support and the horizontal support are both steel box girders.
6. The shock-absorbing coupling structure for asymmetric buildings and coupling bodies according to claim 5, wherein: the inner cavity of the inclined support is filled with micro-expansion concrete.
CN202120874487.1U 2021-04-26 2021-04-26 Shock-absorbing connecting structure for asymmetric building and connecting body Active CN215106084U (en)

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Application Number Priority Date Filing Date Title
CN202120874487.1U CN215106084U (en) 2021-04-26 2021-04-26 Shock-absorbing connecting structure for asymmetric building and connecting body

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776117A (en) * 2022-03-30 2022-07-22 北京市建筑设计研究院有限公司 Adjacent structure vibration control system with scissor type amplification device
CN115419182A (en) * 2022-08-25 2022-12-02 福建工程学院 Shock insulation structure and shock insulation method of high tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776117A (en) * 2022-03-30 2022-07-22 北京市建筑设计研究院有限公司 Adjacent structure vibration control system with scissor type amplification device
CN115419182A (en) * 2022-08-25 2022-12-02 福建工程学院 Shock insulation structure and shock insulation method of high tower

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