Low back pressure saturation method for loess liquidation experiment
A technology of loess and back pressure, which is applied in soil material testing, suspension and porous material analysis, material inspection, etc. It can solve problems such as low saturation, low soil sample saturation, and collapsing damage, and achieve precise control accuracy , Reproducibility improvement, and the effect of increasing saturation
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[0035] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0036] In the loess indoor soil mechanics test provided by the embodiment of the present invention, the low back pressure saturation method can be used to obtain samples with high saturation and good structural stability. The experimental device uses a triaxial tester with back pressure saturation function, as shown in the figure above. It includes pressure source, pressure separator, servo valve, pipeline, confining pressure maintaining device and valve, back pressure maintaining device and valve, pressure test unit and pipeline, volume change sensor and pipeline, triaxial pressure chamber, ...
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