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Surveying and Laying of Center Line of Circular Curve Tunnel by String Method
Author(s): 
Pages: 95-96
Year: Issue:  z1
Journal: RAILWAY CONSTRUCTION TECHNOLOGY

Keyword:  施工测量弦线法圆曲线测量放样;
Abstract: 针对圆曲线隧道中线测设外业工作量大、时间长等难点,介绍利用弦线法测设圆曲线,减少了外业工作量和工作强度,提高了工作效率.
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