Subgrade bearing capacity site detector is also called Electronic intelligence penetrometer. It accords with GB50021-2002 standard. It is used to detect liquidity index of cohesive soil, Red clay, collapsible loess, The filled soil, mixed soil, Frost heaving soil, weathered soil, residual soil, sandy soil, soft soil bearing capacity, compression modulus. It is widely used in test of Roads, railways, reservoir, DAMS, civil, and teaching. It is also used to liquid crystal display, automatic storage data.

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