Expansive soil slope shallow-layer damaged soil body shear strength test method
A technique of shear strength, test method, applied in the direction of testing the strength of materials by applying a stable shear force, etc.
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[0026] In order to further understand the content and characteristics of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows in conjunction with the accompanying drawings.
[0027] Such as figure 1 As shown, the expansive soil slope shallow layer failure soil shear strength test method of the embodiment of the present invention comprises:
[0028] S101. Sample preparation, use a ring knife to cut the original soil sample, and ensure that the sample is closely attached to the wall of the ring knife when cutting; the density difference and moisture content difference of the parallel test samples are not greater than ±0.1g / cm 3 and 1%;
[0029] S102, performing a dry-wet cycle on the sample under load;
[0030] S103, the dry-wet cycle saturated sample is saturated and consolidated under the corresponding vertical pressure;
[0031] S104. Select the force measuring ring according to the actual shear strength, start th...
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