济南市稍门平原水库设计和渗流特性分析

发布时间：2018-06-15 10:42

本文选题：稍门平原水库 + 渗流分析　；参考：《山东大学》2014年硕士论文

【摘要】：本文通过对稍门平原水库进行有限元渗流分析,应用软件建立坝体渗流数学模型并进行模拟,计算得到渗流要素(如渗透水头、渗透压力、渗透坡降、渗透流速以及渗流量等等)。通过这些渗流要素对渗透稳定性进行分析,在计算剖面的宽心墙下游浸润线溢出点较高,大于允许水力比降,并且该剖面附近坝基砂砾石没有开挖截水槽,因此存在一定的安全隐患,存在一定的渗透变形的可能性,在高水位的长期作用下,存在渗透破坏的可能性。为避免坝体、坝基产生渗透破坏,必须采取全面防渗的措施,才能有效的防渗。接着通过渗流分析得到的结论,对坝体进行稳定性分析,其中应软件对坝体进行数值模拟,进行坝体稳定分析,得到该大坝上游坡和下游坡稳定安全系数均大于规范要求值,不存在结构稳定安全问题。
[Abstract]:Through the finite element seepage analysis of Zhaomen Plain Reservoir, the mathematical model of seepage flow of the dam body is established and simulated by using software, and the seepage elements (such as seepage head, seepage pressure, seepage gradient) are calculated. Osmotic flow rate and seepage flow rate and so on. Through the analysis of these seepage elements, the seepage stability is analyzed. The overflow point is higher than the allowable hydraulic ratio in the downstream infiltration line of the calculation section of the broad-core wall, and no cut flume is excavated near the dam foundation sand gravel near the section. Therefore, there are some hidden dangers of safety, the possibility of seepage deformation and the possibility of seepage failure under the action of high water level for a long time. In order to avoid seepage damage of dam body and dam foundation, comprehensive seepage prevention measures must be taken in order to effectively prevent seepage. Then through the conclusion of seepage analysis, the stability analysis of dam body is carried out, in which the numerical simulation of dam body and the stability analysis of dam body are carried out by software, and the stability safety factor of upstream and downstream slopes of the dam is higher than the required value of the code. There is no structural stability and security problem.
【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TV62;TV223.4

【参考文献】