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结合吉林兰旗松花江特大桥设计特点,综合考虑施工合理性和方便性,介绍了吉林兰旗松花江特大桥主跨240m单索面双塔混凝土斜拉桥主梁0#段、标准阶段、边跨现浇段、合龙段等施工方法及控制要点,重点介绍了采用复合式牵索挂篮进行标准节段施工的施工方案和方法。 相似文献
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结合日本NIPPO株式会社和台湾中兴工程顾问股份有限公司对试车道的设计要点,根据正新橡胶（中国）有限公司昆山场新建工程委托技术服务方案施工规范,简要阐述了昆山试车场工程各种特殊路面的施工要点,以供同类工程施工借鉴和参考。 相似文献
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The warm-hot deformation behavior of CF53 steel was studied with hot compression tests at temperature of 1 123 ~1 273 K and strain rate of 0.1~20 s -1 . The activation energy for warm-hot deformation is 274.816 kJ/mol. The influences of Zener-Hollomon parameter, strain and grain size imposing on the flow stress were analyzed in the temperature range of warm-hot forging. Based on the creep theory and mathematic theory of statistics, mathematical models of flow stress were obtained. The results provide a scientific basis for controlling microstructure of forging process through Zener-Hollomon parameter. 相似文献
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