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Anonymous users2024-01-23GB50201-2001 "Code for Quality Acceptance of Building Decoration and Decoration Engineering" clearly stipulates that when the length of the boom exceeds meters, a counter-support should be set. It seems that it cannot be directly hung with a screw rod.
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Anonymous users2024-01-22No, you can weld it together with electricity, it's fine, the key boom should be strong.
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Anonymous users2024-01-21There are requirements for different loads of boom thickness, and there is no requirement for length.
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Anonymous users2024-01-20What is the tie rod diameter when the light rigid keel tie rod is longer than one meter?
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Anonymous users2024-01-19The length of the boom is more than 1500, and the reverse support should be done.
You can query the interior decoration - interior ceiling atlas.
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Anonymous users2024-01-18You can use joints, I'm doing suspended ceilings, I've made 8 meters, it's fine.
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Anonymous users2024-01-17It can be knotted or electrowelded.
1. The spacing of the cross brace keel should be determined according to the requirements of the design, and the common spacing is: 1200mm, 600mm, 400mm. >>>More
Rice is appropriate.
The maximum distance between the main keel and the main keel can not be exceeded, if this distance is exceeded, efforts should be made to reinforce; The spacing between the auxiliary keel and the auxiliary keel is 30cm, and the thickness of the plasterboard is. >>>More
Cassette keel is divided into: 23 25 28 32 38 These specifications, the height is generally increased with the increase of the model.
If it is an integrated ceiling, at medium speed, one person can do about 10 squares.
You can look for it online, there must be something online.