What are the precautions for cutting the air membrane material?
Release time:
2023-09-21
The cutting of the membrane material is usually carried out in a stress-free state. Scholars at home and abroad have carried out more in-depth research on how to carry out the cutting analysis in the non-stress state on the prestressed body, and put forward a variety of methods such as geometric method, least square method, dynamic programming method and plane thermal stress principle combined finite element method.
Beijing Xinyuan Yijia Membrane Structure Technology Co., Ltd. has a professional membrane processing plant, in the actual project must also consider the following points:
First, determine the warp and weft arrangement of the membrane and the location of the spot joint between the diaphragm.
The warp and weft arrangement of the membrane will affect the view, the utilization rate of the membrane material, the production workload, etc., and must be consistent with the calculation model. Improper treatment of on-site joint is easy to leak rain, so it is generally more suitable for on-site joint at the ridge.
Second, at the connection point of the membrane material and the hard boundary, special compensation values should be considered to facilitate installation.
Third, the working point of the cable boundary must be guaranteed to remain unchanged.
For other hard boundaries, due to the existence of a certain spatial scale of the component itself, the working point of the membrane can be changed or kept unchanged according to the actual situation, and only the practice of connecting the member can be changed, but in general, the latter is more difficult to implement. In addition, the cutting of the membrane at the corners should be cut strictly in accordance with the actual structure structure size.
Fourth, the cutting of the membrane should make full use of the width of the membrane material.
The so-called full use of width, that is, after comprehensive consideration of factors such as the length of the hot bond, prestress expansion compensation, and boundary practices, the cut diaphragm should be as close as possible to the width of the membrane material, in order to improve the utilization rate of the membrane material.
Keywords:
air membrane,inflat structure
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