DOUBLE BARRIER FOR STORAGE TANK, SHIP HAVING THESAME AND MANUFACTURING METHOD OF THE SAME

摘要

PURPOSE: A double barrier for a storage tank, a ship with the same, and a method for manufacturing the double barrier are provided to improve the rigidity of the storage tank by coupling a web between a pair of barriers. CONSTITUTION: A method for manufacturing a double barrier is as follows. A pair of barriers arranged opposite to each other and a sandwich barrier which has multiple ribs coupled to the pair of the barriers and is arranged between the pair of barriers in parallel are provided(S110). The pair of barriers is partially removed to form a cut portion so that the ribs can be exposed(S120). A web and a partition having slots for insertion of ribs are installed at both ends of the cut portion(S130). A curing agent is injected and cured between the web and the partition(S140). [Reference numerals] (S110) Provide a sandwich barrier which has a pair of barriers arranged opposite to each other and multiple ribs arranged between the pair of barriers in parallel, with both ends respectively coupled to the pair of barriers; (S120) Partially remove the pair of barriers to form a cut portion which exposes the ribs; (S130) Install a transverse web and partition having slots for insertion of the ribs at both ends of the cut portion; (S140) Inject and cure a curing agent between the web and the partition