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CONSTRUCTION PLANNING OF MICROTUNNELING WORKS IN URBAN AREAS

机译:城市微隧道工程建设规划

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摘要

Microtunnelling a new sewerage pipeline or tunnel underneath densely built-up urban areas is more reliant on early planning than many other civil works. The nature and constraints of urban microtunnelling effectively fix key project details considerably before construction commencement, with little subsequent flexibility. These early constraints arise because of the high degree of interconnected and repetitive construction activity sequencing, and the high capital outlays for the precast production and microtunnelling machine. Based on the author's work on eight microtunnelling projects in Singapore, this paper proposes and discusses 11 steps of construction planning elements which have been observed as critical to expeditious cost-effective project outcomes.
机译:与许多其他土建工程相比,在密集的市区下面对新的污水管道或隧道进行微隧道施工更依赖于早期计划。城市微隧道的性质和约束条件在施工开始之前就有效地确定了关键项目的细节,而随后的灵活性却很小。之所以出现这些早期限制,是因为高度互连和重复的建筑活动排序,以及预制生产和微隧道机械的高资本支出。基于作者在新加坡的八个微型隧道项目的工作,本文提出并讨论了11个步骤的施工计划元素,这些步骤被认为对于加快成本效益的项目成果至关重要。

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