1. Use 3 thick steel plates to make a C-shaped joint, add a 3 mm thick steel plate to the main purlin, and connect it with bolts.2. For overlapping purlins, just ensure that the length of the overlapping is not less than 1.5 times the height of the C-shaped steel. Use bolts to fix the purlins. The p
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Foundation pit excavation1. After the steel sheet pile construction is completed, use an excavator to excavate the foundation pit.2. When the foundation pit is excavated to about 1 meter, support the steel sheet piles with steel purlins.3. The steel sheet pile purlin support uses full-length H-shape
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Hot-rolled H-shaped steelreasonably distributes the aspect ratio of the cross-section size according to different uses and has excellent mechanical properties and excellent practical performance.The structure is light in weight. It is lighter than the self-weight of the concrete structur
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Because the iron oxide scale on the surface of carbon structural steel or low-alloy steel has a loose, porous, and cracked structure, and the iron oxide scale is straightened, stretched, and transported along with the steel during pickling, it causes these pores and cracks. further increase and expa
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