Under combined freeze-thaw and prestress,the corrosion rate of non-cohesive steel strand is more than simple addition of independent action of freeze-thaw and prestress.4,Initially explorating the effect of freezing-thawing cycle on the prestress loss of non-cohesive prestress steel strand.
4、初探冻融循环对无粘结钢绞线预应力损失的影响。
参考来源 - 无粘结预应力混凝土结构抗冻融耐久性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
There are many cracks in subgrade in Qingshuihe experimental section after a freezing-thawing cycle.
经过一个冻融循环，青藏铁路清水河试验段出现了较多裂缝。
Based on the theory of damage mechanics, fracture mechanics and elastic mechanics, the formation and expanding of control fissure were researched under the condition of cycle of freezing and thawing.
基于损伤力学、断裂力学、弹性力学等理论，对冻融循环条件下主控结构面的产生和扩展进行了研究。
It is analysed that applied load capacity of reinforced concrete for freezing and thawing cycle under ocean environment.
分析了海洋环境下的钢筋混凝土在冻融破坏下的承载力。
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