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水流通过坝体和坝基时存在压力和梯度,这在大坝工程设计中已视为重要因素。但是,在土石坝设计时往往会遇到抵御不利大坝安全因素的排水系统的选型和设计问题。目前,很多工程中虽存在一些效果不错的排水系统,但其缺乏渗流和浸润线位置的控制,可能会对工程安全产生威胁,或使渗流控制措施达不到经济有效的目的。为此,本文基于均质土坝实验研究取得的成果,研究出在竖向排水体中的渗流量的控制方法,采用这种方法可以对土石坝进行更好的管理。
Pressure and gradients exist when water flows through the dam and the dam foundation, which has been considered an important factor in dam design. However, in the design of earth-rock dams there are often problems with the selection and design of drainage systems that resist adverse dam safety. At present, although there are some drainage systems that work well in many projects, the lack of control of seepage and saturation line locations may threaten the safety of the project or render the seepage control measures less cost-effective. Therefore, based on the results of experimental study on homogeneous earth dam, this paper studies the control method of seepage flow in vertical drainage body, and this method can be used to better manage earth dam.