The results show that these cracks are caused by the inclusions of rare earth sulphur oxides and alumina distributing in mass in base steel for hot rolled wide strips.
结果表明:管坯裂纹是因热轧宽钢带基材中存在大量聚集分布的稀土硫氧化物和氧化铝夹杂所致。
Through analysis the tensile stiffness on concrete pylon wall and steel anchorage box, the formula about tension distributing of various component are induced.
通过对混凝土塔壁和钢锚箱抗拉刚度的分析,推导出了各构件拉力分配公式。
The reasons of damages of air distributing baffle walls, steel beams and brick works were studied.
分析了导风墙,钢粱及砌砖体易于损坏的原因。
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