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为验证坝基土体三维渗透模拟试验装置的渗透性能,以白城市待建水库选址工程为依托,采集土样进行室内渗透模拟试验,获得试验水压等势图,分析水库坝基的渗透特性。同时运用有限元软件对试验装置的稳定渗流进行数值模拟。模拟水压等势图与试验水压等势图大致相同,证明了装置渗透性能是科学可靠的。试验现象表明此处土层不宜作为坝基选址。
In order to verify the seepage performance of the three-dimensional seepage simulation test device of dam foundation, based on the project of site selection of the reservoir to be built in Baicheng City, soil samples were collected for indoor permeation simulation test, and the hydraulic pressure isobologram was obtained to analyze the seepage characteristics of dam foundation. Simultaneously, the finite element software is used to simulate the steady seepage of the test device. The simulated hydraulic pressure isotherm is roughly the same as the experimental hydraulic pressure isotherm, which proves that the device permeability is scientific and reliable. Test results show that the soil here should not be used as dam site selection.