| 三角形量测法在隧道变形监测中的应用研究 |
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| 引用本文： | 曾鼎华,张永兴,阴可,陈建功.三角形量测法在隧道变形监测中的应用研究[J].水文地质工程地质,2005,32(5):113-115. |
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| 作者姓名： | 曾鼎华 张永兴 阴可 陈建功 |
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| 作者单位： | 重庆大学土木工程学院,重庆,400045 |
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| 基金项目： | 国家自然科学基金(50378096)，教育部科学技术重点项目(03138) |
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| 摘 要： | 通过对隧道变形监测中三角形量测法原理、计算公式的分析,认为公式中的三角形三边长度并不是收敛计的读数,两者相差一个收敛计本身的附加长度,这是使监测数据产生误差的原因之一。同时探讨了忽略收敛计附加长度引起的误差对监测结果的影响,并结合工程实例介绍了在实测过程中应注意的问题及误差原因。
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| 关 键 词： | 三角形量测法 隧道监测 拱顶下沉 误差分析 |
| 文章编号： | 1000-3665(2005)05-0113-03 |
| 收稿时间： | 2004-12-24 |
| 修稿时间： | 2005-04-18 |
Application of diagonal measurement method in the displacement monitoring of tunnel |
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| ZENG Ding-hua,ZHANG Yong-xing,YIN Ke,CHEN Jian-gong.Application of diagonal measurement method in the displacement monitoring of tunnel[J].Hydrogeology and Engineering Geology,2005,32(5):113-115. |
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| Authors: | ZENG Ding-hua ZHANG Yong-xing YIN Ke CHEN Jian-gong |
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| Abstract: | By analyzing the principle and formula for the displacement monitoring of tunnel, we found that the side-length of the triangle in the formula is not exactly equal to the convergence gauge's reading, which is longer for an additional length of the gauge itself. This is a reason for the error of monitoring result. Meantime, the affection caused by the ignorance of convergence gauge's length was discussed in an actual case. Some critical issues and error-causes in practice were presented as well. |
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| Keywords: | diagonal measurement method tunnel monitoring arch settlement error analysis |
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