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| 一种盾构机初始姿态的测量方法 |
| A Method of Measuring the Initial Attitude of Shield Machine |
| 投稿时间：2018-01-12 |
| DOI：10.16018/j.cnki.cn32-1650/n.201802010 |
| 中文关键词: 地铁隧道 盾构法施工 初始姿态 |
| 英文关键词: subway tunnel shield construction Initial posture |
| 基金项目: |
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| 中文摘要: |
| 根据盾构法施工特点，阐述了盾构机初始姿态测量定位的重要性；鉴于以往几种常规盾构机初始姿态测定方法的局限性，提出了一种新的盾构机初始姿态测量方法—中线法；详细分析了该方法的精度，最后结合工程实例将此方法与侧边法进行了比较，验证了该方法的正确性和可靠性，在盾构施工中有较大的实践意义。 |
| 英文摘要: |
| According to the construction characteristics of shield method, the importance of measuring and positioning the initial posture of shield machine is expounded. In view of the limitations of previous methods for initial attitude determination of conventional shield, long-base method is proposed as a new method for initial attitude measurement of shield. The accuracy of the method is analyzed in detail. Finally, the method is compared with the side edge method in combination with engineering examples. The correctness and reliability of the method are verified, which is of great practical significance in shield construction. |
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