Study on the Test Method of Static Earth Pressure Coefficient of Deep Soils

The static earth pressure coefficient of soils is, approximately, considered to be a constant in the view of classical soil mechanics. This is supported by many research results. The high pressure experimental research and analysis of remolding deep soil described herein indicate that the static earth pressure of thick overburden has a notable non linear characteristic. It also appears larger than that of superficial soils. It is necessary for deep coal mine design and construction to consider this particularity of soil pressure so as to avoid engineering accidents and heavy loss of life and property.