五连拱温室的结构计算  

Calculation on the Structure of Five Arch Greenhouse

作　　者：宋占军[1] 

机构地区：[1]中国农业大学

出　　处：《农业工程学报》1998年第1期164-168,共5页Transactions of the Chinese Society of Agricultural Engineering

摘　　要：多连拱温室结构计算是需要研究的问题。应用结构力学知识，建立了五连拱温室受风雪载荷时的半结构计算模型，用有限元法进行了结构优化，求出了它的内力、应力和位移。对规范中没有说明的附加风载、风载高度变化系数和多连拱形屋面的风载体型系数等也作了分析。研究结果表明，该温室结构合理，具有优良的力学特性。The half structure calculation model of a five arch greenhouse under wind loading and snow loading was developed. Its structure was optimized, its internal force and stress as well as displacement were gotten with the finite element method. The additional wind load and the height changing factor of wind load as well as the shape factor of wind load for multi arch roof coverings, which were not yet mentioned in the current constructional standards, also were analyzed. The results indicate that the structure of this greenhouse is rational, and has fine mechanics properties.

关 键 词：温室 计算模型 计算方法 附加风载 

分 类 号：S261[农业科学—农业水土工程]