摘要
本文通过16根SRC梁的短期刚度的试验研究说明:SRC梁的平均应变能很好地符合平截面假定,使用荷载阶段截面弹塑性抵抗矩系数为常数。在试验基础上,提出了计算SRC受弯构件的刚度公式,它能与计算RC受弯构件的刚度公式衔接。还应用有效惯性矩建立了另一种计算刚度的公式。这两种计算刚度公式与试验结果符合较好。
This paper presents an experimental study of the stiffness of sixteen SRC beams. The test results are consistent with the two assumptions, the hypothesis of plan section for average strains and the coefficient of the elasto-plastic moment of resisting under service loads being constant. On the basis of the experimental study of the stiffness of SRC beams under shortterm loading, a calculation formula of stiffness of SRC flexural members is proposed which can link up with that of RC flexural members. Another calculation formula of stiffness of SRC flexural members is established by using the method of effective moment of inertia. The calculated results of the two formulas are in accordance with the experimental data.
出处
《东南大学学报（自然科学版）》
EI
CAS
CSCD
1991年第6期77-83,共7页
Journal of Southeast University：Natural Science Edition
关键词
劲性
钢筋混凝土
梁
刚度
型钢
steel-reinforced concrete, steel shapes, stiffness, deformation
