Soil contamination purification zone construction method, in the soil contamination purification zone construction method which constructs

摘要

PPROBLEM TO BE SOLVED: To surely construct a continuous wall surface by a cleaning material by efficiently using the cleaning material. PSOLUTION: The soil contamination cleaning zone construction method includes: a process of installing a drilling pipe to an impermeable layer, filling a permeable cleaning material into the drilling pipe, drawing the drilling pipe and continuously constructing a cleaning body wall whose bottom is the impermeable layer; and a process of installing a sheet pile to the impermeable layer so as to be filled inside a cleaning body adjacent to the connection part of the respective cleaning walls, respectively. The process of continuously constructing the cleaning wall includes: a cleaning wall construction procedure of installing the drilling pipe to the impermeable layer, filling the permeable cleaning material into the drilling pipe, drawing the drilling pipe and constructing the cleaning wall; and a skip procedure of securing a position separated by a distance for the diameter of the drilling pipe next to the cleaning wall constructed by the cleaning wall construction procedure. The cleaning wall construction procedure and the skip procedure are alternately performed with respect to an area for constructing a ground water cleaning zone, the cleaning wall is constructed alternately, then the cleaning wall construction procedure is performed at the position secured by the skip procedure, and the respective cleaning walls are continuously formed. PCOPYRIGHT: (C)2011,JPO&INPIT