The bearing steel balls in grid installation are very small, which can easily cause collisions between rods an…
The tube truss is mainly composed of steel tube rods. These rods are connected by welding or bolts to form tru…
Net frame structure steel structure steel in rolling to prevent and reduce the deformation of the measures ste…
First check the appearance of high-strength bolts. The bolt surface should be smooth and free of defects such …
A closed coal storage yard is a building facility used to store coal. Its main purpose is to reduce environmen…
Grid structure is a spatial bar structure, a grid system formed by connecting many bars. When the roof is subj…
