What is it about?
Seepage is common in structures and underground systems. We have developed for the first time a big soil container and some technical ways to control both a high pressure and a high water pressure onto the container. No test machine has been designed to have so many functions as this one. We have used a special soil for dam building, which has very large gravels and small sands, to confirm that our machine works pretty well.
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Photo by Nikola Knezevic on Unsplash
Why is it important?
Most of previous studies only find out seepage rules in less extreme conditions, and we find that when soils are firmly compressed, the seepage rule is not the same. The ability for water to pass through can also change when the pressure is given at different directions. Our study, which is based on original soil collected at the construction site, is more convincing.
Read the Original
This page is a summary of: A Large-Scale True Triaxial Seepage Apparatus for Evaluating Impact under High Stress State and High Hydraulic Heads, Geotechnical Testing Journal, March 2021, ASTM International,
DOI: 10.1520/gtj20200070.
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