DIVIDED CAISSON FOR FOUNDATION PIER AND CONSTRUCTION THEREOF

摘要

PURPOSE: Provided is caisson for foundation construction of pier for quicker and more convenient installation in deep and thick ultra-frail grounded sea and good constructability. CONSTITUTION: The caisson for foundation construction of pier is comprised of the following as: the steel caisson foundation plate(10) which size is one of the divisions of whole height of caisson into equal several parts; many caisson units(10a), which are welded each other. In case of the caisson plate, inner and outer walls(11,12) are open on upper part and close on lower part in an empty double structure, in case of each unit(10a), all of inner and outer walls(11a,12a) are open in an empty double structure.