摘要
对某巨型钢衬钢筋混凝土联合承载蜗壳，采用三维非线性有限元法计算结果表明：当弹性垫层６ｃｍ和垫层材料弹模为２ＭＰａ时，原设计的钢衬为６ｃｍ偏厚，钢衬与座环连接部位应力集中较大；给出了随内水压力增加，埚壳外包混凝土塑性变形和开裂区的发展过程。对上述问题提出了改进措施建议。
The three dimensional nonliear element method is used to calculate compositestructure stress of huge steel scroll case and outer covering reinforced concrete.The result ofcalculating indicates:When the thickness of elastic pad is 6 cm and its elastic modulus is 2-20MPa,the max.stress of steel scroll case is smaller than project strength.It is suggested that thethickness of steel scroll case be reduced or the low strength steel material be selected.
出处
《大连理工大学学报》
CAS
CSCD
北大核心
1995年第3期389-394,共6页
Journal of Dalian University of Technology
基金
中国电力部规划设计院1990~1992前期工程基金
关键词
蜗壳
结构分析
钢筋混凝土
联合承载
钢衬
spiral casings
structural analysis
steel plates
reinforced concrete/bearing jointly
