METHOD OF CONSTRUCTING IN-SITU THIN DIAPHRAGM WALLS.

摘要

I Claim A method of constructing ij situ thin diaphragm walls for use as cut-off material in stopping or reducing seepage of underground water comprising cutting a thin trench or excavation of desired length and depth, lowering there into a stiff laminar framework with an impervious membrane on at least one face thereof and feeding cement mortar/slurry/ concrete; soil, bentonite or soil/bentonite slurry to the trench or excavation as the case may be until a wall is formed inside the trench or excavation adjacent said membrane, said impermeable membrane forming a barrier against seepage of water.