FIELD: mining, particularly to protect building structure built of clay ground against flooding in the case of bedded mineral deposit mining under the structure.
SUBSTANCE: method involves cutting dewatering wells in maximal ground subsidence zones over breakage heading center; drilling horizontal drainage wells from dewatering wells at depth, which is less than distance to neutral line at ground layer bent, but is greater than structure foundation erection depth. Well lengths are determined from mathematical expression with taking into consideration parameters of layer cutting and ground shifting process characteristics.
EFFECT: increased clay ground dewatering and structure protection against flooding.
2 dwg
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