Some of the compliance methods permitted under the Excavation standards require a competent person to classify soil and rock deposits as: Stable rock Type A soil Type B soil Type C soil Stable Rock Natural solid mineral matter that can be excavated with vertical sides and remain intact while exposed. Type A Cohesive soils with […]
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Introduction to Soil Mechanics Soil mechanics is a branch of soil physics and engineering mechanics that describes the behavior of soils. It differs from fluid mechanics and solid mechanics in the sense that soils consist of a heterogeneous mixture of fluids (usually air and water) and particles (usually clay, silt, sand, and gravel) but soil […]
OSHA categorizes soil and rock deposits into four types, as follows: Stable Rock Stable Rock is natural solid mineral matter that can be excavated with vertical sides and remain intact while exposed. It is usually identified by a rock name such as granite or sandstone. Determining whether a deposit is of this type may be […]