中俄规范混凝土结构钢筋预应力损失计算的对比分析  

Comparative analysis on calculation of prestress loss of reinforced concrete structure in Chinese and Russian codes

作　　者：魏志民 张露露 文鹏 WEI Zhi-min;ZHANG Lu-lu;WEN Peng(Hubei Provincial Communications Planning and Design Institute Co.,Ltd.,Wuhan 430051,China;China Design Group Co.,Ltd.,Nanjing 210014,China)

机构地区：[1]湖北省交通规划设计院股份有限公司,湖北武汉430051 [2]华设设计集团股份有限公司,江苏南京210014

出　　处：《水运工程》2022年第7期45-48,54,共5页Port & Waterway Engineering

摘　　要：从混凝土材料、预应力钢筋材料、张拉控制应力限值系数和预应力损失计算等方面对比分析中、俄规范。以后张法空心板作为算例,得出如下结论:1)中俄规范在混凝土和钢筋材料的分类体系、预应力损失影响因素的考虑和部分预应力损失值计算上基本一致,但两者在细分规则、材料范围、分级数量考虑不同。2)在个别预应力损失计算中二者存在差别,总体来说中国规范计算结果更大。In this paper,the Chinese and Russian codes are compared and analyzed from aspects such as concrete materials,prestressed reinforcement materials,limit coefficients of control stress for prestressing,and prestress loss calculation.Taking a post-tensioned hollow slab as an example,we can draw the following conclusions:1)The Chinese and Russian codes are consistent in the classification system of concrete and reinforcement materials,the consideration of influencing factors in the prestress loss,and the calculation of some prestress loss values,while the two differ in the subdivision rules,material range,and classification quantity consideration.2)There are differences between the two in the calculation of individual prestress loss,and in general,the calculation results are greater under the Chinese code.

关 键 词：水运混凝土结构 预应力损失 俄国规范 结构分析 

分 类 号：U656[交通运输工程—港口、海岸及近海工程]