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Steel and steel component assembly installation requirements

Steel and steel components assembled device requirements:
Foshan welded H-beam steel flange plates and webs seam seam spacing should not be less than 200mm.
Flange plate splice length should be less than 2 times the plate width. Web splice width should not be less than 300mm, the length should not be less than 600mm.
Cranes and crane girder truss system in place should not be under the scratch.
When multi-section column device, the positioning of the axis of each section of the column axis manipulation should lead directly on the ground, can not lead from the axis of the lower column, to avoid the formation of excessive accumulation errors.
After the completion of the steel truss structure and overall fight should leave after completion of the roof measuring its deflection, deflection and the measured value should not exceed 1.15 times the corresponding planning values.
Remember:
Paint, painting several times, coating thickness should fit planning requirements.
When planning for the coating thickness is not required, the total thickness of the coating: Outdoor should be 150μm, interior should be 125μm, the allowable deviation for each pass coating thickness of 25μm tolerance for 5μm..
Thin coating fireproof paint coating thickness should fit the planning requirements for fire resistance. Thick coating fireproof paint coating degrees, more than 80% of the area should be consistent with the relevant planning and fire resistance requirements, and should not be less than the thickness of the thinnest planning 85%.