| As the most common structure of offshore oil exploiting and producing in our country, jacket platform抯 optimum lectotype is still on the preliminary stage. For this, a fuzzy optimum lectotype model based on three objects which are structure weight, strength reliability and stiffness index is presented. With the help of structure analysis software SAP93 and optimum algorithm software OPB-1, lectotype optimum of BZ28-1 product platform and SZ36-1 center platform is made from four common platform styles. The optimum result shows the predominance of four-leg style in minitype platforms and as well indicates the relationship between the load and the main components of the platform. |
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