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Study of Directional Surveying for TBM Excavation in Subway Construction
Author(s): 
Pages: 50-52,56,59
Year: Issue:  10
Journal: Geotechnical Investigation & Surveying

Keyword:  盾构机 局部三维坐标 绝对三维坐标 偏差;
Abstract: 在地铁工程的盾构机测量定向中,最主要的是确定出盾构机内棱镜在无仰俯无旋转情况下的局部坐标,然后根据实测数据就可以计算出盾构机头部、中部、尾部中心的三维坐标,计算出它们的偏差从而达到控制盾构机姿态的目的。
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