应禁止使用螺纹钢做吊具此前，笔者在吉林白城地区安全检查时曾发现，有的建筑工地在起重吊装作业中，使用螺纹钢制作吊索的挂钧，吊笼和吊盘天梁的挂环的现象并不少见，这给安全吊装带来隐患。众所周知，螺纹钢的抗拉强度较高，但是，因为它合成量高，拓性差，抗弯曲与抗... Prior to the safety inspection in Baicheng, Jilin Province, the author found that some construction sites in the lifting and lifting operations, the use of steel sling hanging hanging, hanging cage and hanging girder The phenomenon of hanging ring is not uncommon, which brings hidden dangers to safety hoisting. As we all know, rebar high tensile strength, but because of its high synthesis, extension of the poor, anti-bending and resistance ...