CONSTRUCTION METHOD FOR PLUGGING DEWATERING WELL HAVING PENETRATING BOTTOM PLATE IN FOUNDATION PIT

摘要

A construction method for plugging a dewatering well having a penetrating bottom plate in a foundation pit, comprising: manufacturing and installation of steel sleeves, tube well dewatering in each construction phase, preparation work of well plugging, and dewatering well plugging. Before pouring of a foundation slab, steel sleeves are manufactured and placed. The process flow of the dewatering well plugging is: pumping water, starting a pump, backfilling with pea gravel, placing a steel pressing plate, pouring micro-expansion concrete and curing same, secondarily pouring concrete and curing same, welding a steel cover plate for sealing.