Microstructures, Mineral Compositions, and Mechanical Properties of Red-Layers in Southern China

Table 1

Microexperimental soil samples of typical red-layers.

Number	Sampling site	Sampling depth (m)	Corings	Total sampling	Lithology	Disturbed or not
1	Tiyu west road station	16	3	12	Moderately weathered red clay	Disturbed
2	Zhujiang new city station	17.2–17.8	3	12	Red clay	Disturbed
3	Wushan road station	12	3	12	Moderately to strongly weathered red clay	Undisturbed