摘要
采用弹性理论的半逆解法,视静定钢-砼结合梁为平面应力问题,将应力函数取为三角级数,考虑钢与混凝土的相对滑移,推导了钢-砼结合梁在一般温度分布作用下的应力公式。最后,通过算例,计算了钢-砼结合梁在温差、日照温度变化和骤然降温三种工况下的温度应力。
This paper deduced the formulae of the stress under general temperature distribution with the half-adverse solution method in the elastic theory by regarding static composite girders as plane stress, stress function as triangle progression and considering the slip between steel girder and concrete slab.The temperature stresses in three cases： temperature difference, temperature change under the shine of the sun,temperature sudden decrease, are computed according to the computation as an example.
出处
《佛山科学技术学院学报（自然科学版）》
CAS
2008年第1期45-48,共4页
Journal of Foshan University(Natural Science Edition)
关键词
钢-砼结合梁
半逆解法
温度应力
级数
steel-concrete composite girders； half-adverse solution methods； temperature stress； progression
