预应力混凝土吊车梁的疲劳强度验算  

On fatigue strength calculation of prestressed concrete crane beam

作　　者：施其福 

机构地区：[1]安徽马钢工程技术有限公司,安徽马鞍山243000

出　　处：《山西建筑》2013年第3期44-46,共3页Shanxi Architecture

摘　　要：针对工业厂房中预应力混凝土吊车梁的受力特点,阐述了此类吊车梁的疲劳强度验算方法,考虑了预应力钢筋的作用,并计算了先张法预应力钢筋的第一,第二批损失,对类似工程起到一定的参考作用。According to the stressed features of the prestressed concrete crane beam in industrial workshops,the paper illustrates the calculation methods for the fatigue strength of the crane beam,considers the role of the prestressed reinforcement,calculates the first and second set of losses for the pre-tensioning prestressed reinforcement,and the calculation and analysis of the paper has the reference for similar projects.

关 键 词：预应力混凝土 吊车梁 疲劳强度 验算 

分 类 号：TU312[建筑科学—结构工程]