| 摘要 |
FIELD: oil and gas industry, particularly to erect ice-resistant fixed platforms in freezing sea shelf. ^ SUBSTANCE: marine fixed platform comprises fixed ice-resistant caisson, which consists of separate blocks, and technological liquid and well product storage reservoirs arranged in the blocks. The reservoir bottoms and tops are defined by bottom and upper support caisson plates correspondingly. Reservoir sides are defined by caisson side walls and partitions filled with concrete. Bottom and upper support plates, side walls and partitions are formed of uniform cellular members connected with each other. Each cellular member comprises two parallel metal panels fixedly connected with each other by bridge. The bridge is made as hollow tetrahedral prism having side edges made of metal sheets with orifices. ^ EFFECT: reduced metal consumption of load-bearing caisson structures and decreased platform erection time. ^ 3 dwg |
