As for some marine engineering bases with formidable natural conditions, the traditional dock building way has to be replaced with the flat ground building way in the construction of offshore platform. Some project is used as an example to emphasize the problems in the calculation and selection of scale parameters for the semi-submersible barge that transports offshore platform. The above will provide the reference for the design of similar projects in future.%对于某些在条件较差的海洋工程基地内建造的海洋平台项目,需由传统的船坞建造方式改为平地建造方式.结合某工程实例,介绍在计算和选取出运海洋平台的专用半潜驳的主要尺度参数时应注意的问题,为今后类似工程的设计提供参考.
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