Deformation control method of plate-type bidirectional bearing keel frame
A deformation control and dragon skeleton technology, applied in floors, truss structures, building components, etc., to achieve the effect of wide application, solving engineering efficiency problems, and high bearing capacity
Active Publication Date: 2021-09-03
杭州井格建筑科技有限公司
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Problems solved by technology
[0006] In order to solve the existing problems, the present invention proposes a method for controlling the deformation of the light-duty slab-type two-way load-bearing keel skeleton, which solves the technical problem in the prior art that requires modeling to obtain analysis results. The calculation results of this method are basically close to the numerical analysis results. Practical
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[0071] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0072] Embodiments of the present invention and concrete steps thereof are as follows:
[0073] Such as image 3 and Figure 4 As shown, the slab-type two-way load-bearing keel frame is mainly composed of the main truss extending along the first direction and the secondary truss extending along the second direction. The first direction and the second direction are on the same plane and perpendicular to each other. The main truss and the secondary truss have the same structure as figure 1 and figure 2 As shown, all include 1 / 4 of the truss upper chord profile, 2 / 5 of the truss lower chord profile and 3 / 6 of the truss diagonal web bar; / 4. The truss lower chord profiles 2 / 5 are arranged in parallel and spaced up and down respectively, the truss upper chord profiles 1 / 4 and the truss lower chord profiles 2 / 5 are connected by multiple oblique web bars,...
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The invention discloses a deformation control method of a plate-type bidirectional bearing keel frame. The plate-type bidirectional bearing keel frame comprises a primary truss and a secondary truss which are arranged in the perpendicular direction, wherein each truss comprises a truss upper chord profile, a truss lower chord profile and a truss diagonal web member; the truss upper chord profiles and the truss lower chord profiles are connected through the W-shaped truss diagonal web members; the primary plane truss and the secondary plane truss are arranged in a bidirectional perpendicular crossing mode to form a truss grid; a steel material is adopted, and three-term rigidity of the plate-type bidirectional bearing keel frame is obtained firstly; then the plate-type bidirectional bearing keel frame is regarded as an orthogonal anisotropic plate, and the maximum deflection of the plate-type bidirectional bearing keel frame is obtained through treatment; and the maximum deflection of the plate is compared with a first preset deflection threshold value and a second preset deflection threshold value, and then deformation of the plate-type bidirectional bearing keel frame is regulated and controlled. According to the deformation control method of the plate-type bidirectional bearing keel frame, the industrialization degree is high, the material is standardized, the product application range is wide, the cost is reduced, the deflection control problem of the bidirectional bearing trusses is solved, the engineering efficiency problem is solved, and bidirectional anisotropic deflection calculation and control are achieved.
Description
technical field [0001] The invention belongs to the technical field of construction engineering and relates to a two-way load-bearing truss, in particular to a method for controlling the deformation of a plate-type two-way load-bearing dragon frame. Background technique [0002] In the existing technical field of construction engineering, in order to have a certain out-of-plane bending bearing capacity, most of the various plate components need to be formed by combining metal wires and bonding materials (such as reinforced concrete floor slabs, etc.) or by setting various keels (such as lightweight The combination of steel keel and cladding panels, etc.), the processing and forming of such plate components are relatively complicated. [0003] In reinforced concrete floor slabs, it is necessary to connect steel bars and concrete into a composite member through the gripping force of concrete to form a plate member with bending resistance to bear external loads. In reinforced ...
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IPC IPC(8): E04C3/04E04B5/32G06F17/00
CPCE04C3/04E04B5/32G06F17/00G06F30/13
Inventor 徐永斌付波孙浩潘涛俞柏良
Owner 杭州井格建筑科技有限公司