Experimental Investigation on the Shear Behavior of Interface between High Plastic Clay and Concrete

Table 2

Test schemes of this study.

Test group	Water content (%)	Normal stress σn (kPa)
I1	12.5	200, 400, 600, and 800
I2	14.5	200, 400, 600, and 800
I3	16.5	200, 400, 600, and 800
I4	18.5	200, 400, 600, and 800
D1	12.5	200, 400, 600, and 800
D2	14.5	200, 400, 600, and 800
D3	16.5	200, 400, 600, and 800
D4	18.5	200, 400, 600, and 800

Note. I represents the direct shear test of high plasticity clay-concrete interface; D represents the direct shear test of high plasticity clay.