【摘要】 扼要介绍了高温下及高温后普通钢筋、预应力钢筋及混凝土等结构材料在物理力学性能退化规律的研究成果,为进一步研究混凝土及预应力混凝土结构的抗火性能及火灾后损伤评估与修复方法提供了部分参考资料,明确了预应力材料抗火性能须进一步研究的内容.更多还原

【Abstract】 Briefly presents the research achievements concerning the deterioration law of physical and mechan-ical behavior of structural materials such as reinforcements,prestressing tendons,concrete,etc under and after high temperature.It may provide reference for further study of fire resistance behavior of reinforced concrete and prestressed concrete structure and the damage assessment and repairing method after being subjected to fire.At last discusses the future research subjects about fire resistance of prestressing materials.更多还原