SUPPORT STRUCTURE FOR CARGO TANK, FLOATING STRUCTURE, AND SUPPORT METHOD FOR CARGO TANK

摘要

A cargo tank support structure according to the present invention comprises a plurality of first support portions 3 provided at a bottom 2a of a cargo tank 2 in a distributed manner, a second support portion 4 provided at the bottom 2a of the cargo tank 2 to continuously extend in a longitudinal direction X of the floating structure 1, and an engagement portion 5 provided at a floor 11a of a hold 11 along the length of the second support portion to engage with the second support portion 4, wherein a vertical load Fz applied by the cargo tank 2 is borne by at least the first support portions 3 and a horizontal load (first horizontal load Fy) applied by the cargo tank 2 is borne by at least the second support portion 4 and the engagement portion 5.