Research Article
An Experimental Study on the Water-Induced Strength Reduction in Zigong Argillaceous Siltstone with Different Degree of Weathering
Figure 2
Site photos of the Zigong argillaceous siltstone: (a) completely weathered at the shallow surface (a type of silty clay); (b) borehole core samples of the highly weathered argillaceous siltstone and (c) borehole core samples of the moderately weathered argillaceous siltstone.
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