PULLING METHOD OF SUBMERGED CAISSON

摘要

PURPOSE: A pulling method of a submerged caisson is provided to pull up a caisson rapidly without damage and with low expenses by draining off the water in a caisson using a waterproof cover. CONSTITUTION: The pulling method of a submerged caisson comprises the steps of: installing a waterproof cover(100) having one or more water-pumping holes(150) to drain off the water in a caisson to cover up an upper opening of the submerged caisson and installing a waterproof member to cover up an interval between the caisson and the upper opening; installing a water pump through a water pipe installed whose lower end is connected with the water-pumping hole(150) and upper end is projected to the water; and pulling up the caisson by pumping up the water in the caisson.