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da jie wang luo ji qi ji suan fang fa de jian hua
Author(s): 
Pages: 18-26
Year: Issue:  2
Journal: Optimization of Capital Construction

Keyword:  搭接网络挖土搭接施工计算方法时差双代号搭接关系开始时施工过程单代号;
Abstract: <正> 为了缩短工期,筑建工程常常采用搭接施工方法。图1α表示为挖土和做垫层两个施工过程搭接施工的情况。 图中表示挖土需要十天,做垫层需要七天,挖土二天后,容许开始做垫层,垫层必需在挖土结束后一天才能结束。 我们也可以采用传统的网络图来表达上述搭接施工情况。但是不论双代号或者单代号代示法都只能表达一项工作全部结束后另
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