| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a construction method of a double shell tank in which inspection work of a roof is made efficient while prolongation of a manufacturing period is suppressed. <P>SOLUTION: Without waiting for an inspection of an inner tank roof to complete in the whole area, while an inspection is being made in a second area of the inner tank roof, an outer tank roof is formed in an area covering a first area of the inner tank roof of which inspection has completed earlier. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
