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位置：首页 >> 期刊文章
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摘要：
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大连香炉礁新建造船坞泵房,采用先预制沉箱、水上安装后进行内部施工的工艺,施工实际效果表明,应用Iventor软件建模辅助计算沉箱吃水、浮游稳定,效果显著;施工中结合工程的实际情况采用了条件不同的3个预制场依次预制超大异型沉箱、钢封门后安装改为与混凝土现浇同步进行、双钩安装超大异型沉箱等施工工艺,确保了目前国内规模最大的预制沉箱结构安全、优质、高效地施工完成,为以后超大异型沉箱的施工提供了成熟的施工技术。
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The pumping room for the new dock at Xianglujiao in Dalian was built with the technology that caissons were first prefabricated and installed in water and then the interior of the pumping room was built.The engineering practice showed that,with the model being built with the Iventor software for computing the draft and the buoyancy stability of the caissons,the results were significant.During the construction of the caissons,the technology that the huge and specially profiled caissons had to be fabricated at three precasting yards with different working conditions and to be sealed up with steel plates before being installed in place was replaced with the technology that cast-in-situ concrete was placed simultaneously and the caissons were installed with two hoisting hooks,thus ensuring the safe and highly efficient completion,with high quality,of the construction of the hugest prefabricated caissons so far built domestically and providing a mature technology for future construction of huge and specially profiled caissons.
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