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摘要:
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介绍了南京长江第三大桥钢箱梁的吊安工艺、技术;桥面吊机的构造、优点、使用情况;以及大桥合龙段的施工工艺、措施。历时6个月的施工安全、顺利,施工结果表明:成桥线形、标高、索力均在预控范围内,取得较好的效果。
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The paper introduces the installation techniques and technology of steel box girder of Nanjing No.3 Yangtze River Bridge.the structures,advantages and serice performance of crane on bridge floor and the construction technology and measures on the sectin of final closure of bridge.The construction of bridge for six months is safe and successful.The results show the alignment,elevation and steel cable force of the completed bridge are all in the scope of expected control,and good result of construction has been obtained.
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