无粘结预应力混凝土超静定结构力筋应力增量计算的能量法

The Energy Method of Calculating Stress Growth Quantity in Statically Indeterminate Structure for Non-cohesive Prestressed Concrete

以结构系统势能驻值原理为基础,提出了无粘结预应力混凝土超静定结构预应力钢筋应力增量计算的能量法,给出了无粘结预应力混凝土连续梁在均布荷载作用下无粘结预应力筋应力增量的求解过程,与目前已有方法进行了比较,验证了按能量法求解的实用性.

Based on the potential theories of structural system,this paper presents the energy method of calculating stress growth quantity in statically indeterminate structure for noncohesive prestressed concrete,sets out the calcuating process of stress growth quantity of noncohesive prestressed reinforcement in noncohesive prestressed concrete continuous beams under the welldistributed loading,and verifies the practicability of the present method compared with nowexisting methods.