Ensuring behavioural requirements of tunnelling through natural and man-made ground by employing the Observational Method

机译：通过观察法确保通过自然和人造地面隧道的行为要求

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Tunnelling a twin tube slope tunnel in the ring road of the city of Patras in northern Peloponnesse encountered unique geotechnical challenges in planning, design and construction. The tunnel was driven through natural (neogen formation) and man-made ground. The latter was reinforced by means of a series of stabilisation and improvement techniques such as cement stabilisation, piling and jet grouting. Because of great uncertainties in the estimation of the geotechnical parameters of the geomaterials and in the design modelling, the Observational Method was employed for effective risk management. The overall evaluation of the displacements concluded that the maximum measured values were comparable to the predicted ones. In certain cases, measurements dictated changes in the excavation and support program of the contractor to avoid undesirable consequences. The use of the Observational Method resulted in the successful and economical outcome of the project.

机译：在佩洛蓬内斯省北部的帕特雷市环形公路上开挖双管斜坡隧道，在规划，设计和施工中遇到了独特的岩土工程挑战。隧道是通过自然（新形成的）和人造地面驱动的。后者通过一系列稳定和改进技术进行了加固，例如水泥稳定，打桩和喷射灌浆。由于在估算土工材料的岩土参数和设计建模方面存在很大的不确定性，因此采用观测方法进行有效的风险管理。对位移的整体评估得出的结论是，最大测量值与预测值相当。在某些情况下，测量结果指示承包商的挖掘和支持计划发生变化，以避免产生不良后果。观测方法的使用使该项目取得了成功且经济的成果。

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来源
《International Symposium on Geotechnical Measurements and Modelling; Sep 23-25, 2003; Karlsruhe, Germany》|2003年|p.117-123|共7页
会议地点 Karlsruhe(DE)
作者
M.K. Zacas; V.O. Vandolas; N.A. Rahaniotis; K. Tzima;
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作者单位

Pangaea Consulting Engineers Ltd, Athens, Greece;

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原文格式 PDF
正文语种 eng
中图分类公路运输;
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Ensuring behavioural requirements of tunnelling through natural and man-made ground by employing the Observational Method

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