Installation method of a device capable of releasing internal forces during the installation phase of a steel support
A technology for the installation stage and installation method, which is applied to the processing of pillars and building materials, and the preparation of building components on site, etc. It can solve the problems of being unable to release the internal force of the support installation stage and cannot bear the wind load during the construction stage, so as to achieve support unloading The effect of smooth process, simple structure and wide application range
Active Publication Date: 2017-04-05
BEIJING INST OF ARCHITECTURAL DESIGN
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Problems solved by technology
For the above connection methods, if the support is installed synchronously or basically synchronously with the main structure, the internal force of the support installation stage cannot be released after the installation is completed; if the support is installed after the main structure is installed, the support cannot bear the wind load during the construction stage, etc.
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[0039] In order to illustrate the technical solutions of the present invention in detail, specific embodiments are given below in conjunction with the accompanying drawings.
[0040] The core idea of the present invention is that during the support installation process, the support first bears the vertical load and wind load together with the main structure to ensure the safety of the structure during the construction stage. To avoid the internal force of the support, it may bear a large load, which may cause the support to yield prematurely under the wind load or earthquake during the use stage, which will affect the wind and earthquake resistance of the structure.
[0041] Under the guidance of the above-mentioned core idea, it is realized through the following device that can release the internal force of the steel support during the installation stage. The device that can release the internal force of the steel support in the installation stage includes a node connection...
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The invention relates to a device capable of releasing installation-stage internal force of a steel support and an installation method. The device comprises node connecting plates, a support connecting plate, an internal force releasing mechanism and a support axial deformation mechanism; the node connecting plates are used for being connected with node plates arranged on a main structure; the support connecting plate is connected with the end of the support; the internal releasing mechanism is used for connecting the node connecting plates with the support connecting plates into a whole and releasing loads born by the support in the installation stage through self regulation; the support axial deformation mechanism is arranged in the axial direction of the support connecting plate and used for releasing axial deformation when the support releases the internal force. By adopting the device, the problem that in high-rise steel structure installation, the support needs to bear the loads in the installation stage, so that the support is mainly used for bearing the transverse loads in installation is solved, and not only is the safety of the structure in the installation stage guaranteed, but also the earthquake-proof and wind-resistant efficiency of the support in the usage stage is guaranteed. The device and the installation method can be widely applied to high-rise steel structure installation engineering.
Description
technical field [0001] The invention relates to the technical field of steel structure installation, in particular to an installation method for a device capable of releasing internal force in the installation stage for a steel support. Background technique [0002] In order to improve the lateral stiffness of high-rise building structures and enhance the structure's ability to resist horizontal loads, supports are generally arranged in multiple and high-rise steel structures to form various types of support structure systems, such as setting supports in steel frames to form steel frames- A central support structure, a steel frame-eccentric support structure, or arranging support in the elevator tube or stair tube area of a high-rise building to form a support tube structure. In addition, in order to improve the in-plane stiffness and integrity of the long-span structure, it is also necessary to set up supports or members that play a supporting role in the long-span struct...
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IPC IPC(8): E04G21/14E04B1/24E04G25/02
Inventor 朱忠义袁林华卜龙瑰周忠发陈一张琳徐金蓓王毅
Owner BEIJING INST OF ARCHITECTURAL DESIGN
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