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本计算以整个进水塔为研究对象,对塔体单元进行了详细剖分,并截取了相当于一倍塔高的基础,是一紧密结合工程实际的大型空间有限元分析课题。计算工况分为运行期及封堵期两种,封堵期又对后加山体支撑和不加山体支撑进行了对比分析论证。通过分析,摸清了进水塔整体及重点部位的受力状况、应力应变规律,解决了结构力学分析方法所不能解决的问题。本分析成果已用于生产实际中,对即将动工兴建的天生桥一级电站进水塔的体型优化、结构配筋起到了指导作用。
In this calculation, the entire influent tower is taken as the research object, the tower body unit is divided in detail, and the foundation equivalent to one-fold tower height is intercepted. It is a large-scale space finite element analysis project that is closely integrated with engineering practice. Computation of operating conditions are divided into two phases of operation and sealing, sealing and post-plus mountain support and without mountain support comparative analysis of feasibility studies. Through analysis, we can find out the stress state and stress-strain law of the whole and key parts of the inlet tower, and solve the problems that can not be solved by the structural mechanics analysis method. The results of this analysis have been used in the actual production and played a guiding role in the body shape optimization and structural reinforcement of the inlet tower of the Tianshengqiao I Power Plant to be constructed soon.