Back analysis in rock engineering
著者
書誌事項
Back analysis in rock engineering
（ISRM book series / Book series editor Xia-Ting Feng, vol. 4）（A Balkema book）
CRC Press, c2017
- : hbk
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注記
Includes bibliographical references (p. [213]-219) and index
内容説明・目次
内容説明
This book provides practicing engineers working in the field of design, construction and monitoring of rock structures such as tunnels and slopes with technical information on how to design, how to excavate and how to monitor the structures during their construction. Based on the long-term engineering experiences of the author, field measurements together with back analyses are presented as the most powerful tools in rock engineering practice. One of the purposes of field measurements is to assess the stability of the rock structures during their construction. However, field measurement results are only numbers unless they are quantitatively interpreted, a process in which back analyses play an important role.
The author has developed both the concepts of "critical strain" and of the "anisotropic parameter" of rocks, which can make it possible not only to assess the stability of the structures during their construction, but also to verify the validity of design parameters by the back analysis of field measurement results during the constructions. Based on the back analysis results, the design parameters used at a design stage could be modified if necessary. This procedure is called an "Observational method", a concept that is entirely different from that of other structures such as bridges and buildings. It is noted that in general, technical books written for practicing engineers mainly focus on empirical approaches which are based on engineers' experiences. In this book, however, no empirical approaches will be described, instead, all the approaches are based on simple rock mechanics theory. This book is the first to describe an observational method in rock engineering practice, which implies that the potential readers of this book must be practicing engineers working on rock engineering projects.
目次
Introduction. Back Analysis and Forward Analysis. Modeling of Rock Masses in Back Analysis. Observational Method. Critical Strains of Rocks and Soils. Environmental Effects on Critical Strain of Rocks. General Approach for Assessing Tunnel Stability. Back Analyses Used in Tunnel Engineering Practice. Universal Back Analysis Method. Initial Stress of Rock Masses Determined by Boundary Element Method. Back Analysis for the Plastic Zone Occurring Around Underground Openings. Back Analysis Considering Anisotropy of Rocks. Laboratory Experiments. Constitutive Equation for the Use of Back Analyses. Cylindrical Specimen for the Determination of Material Properties. Applicability of Anisotropic Parameter for Back Analysis. Assessing the Stability of Slopes. Back Analysis of Slopes Based on the Anisotropic Parameter. Back Analysis Method for Predicting a Sliding Plane. Back Analysis of Landslides. Back Analysis for Determining the Strength Parameters. Application of Back Analysis for Assessing the Stability of Slopes. Monitoring of Slope Stability by Using GPS in Geotechnical Engineering.
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