Common Quality Problems in Grid Structure Engineering

Common Quality Problems in Grid Structure Engineering

Common quality problems in grid structure engineering

(1) Bending deformation or local fracture of the rod;

(2) Damaged connection of rod sealing plate or conical head weld;

(3) Node deformation or fracture;

(4) The weld seam is not full or has bubbles, slag inclusions, or microcracks exceeding the specified standards;

(5) The high-strength bolt is broken or pulled out from the spherical node;

(6) The members collide at the nodes, and the support web member collides with the support structure during the upper chord support;

(7) Support node displacement;

(8) The deflection of the grid structure project is too large, exceeding 1.15 times the corresponding design value specified in the design regulations.

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