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Über dieses Buch

This book reviews and assesses the various methodologies for site characterization and site effect estimation to carry out seismic zonation at micro and macro levels. Readers will learn about the suitability of these methodologies for each level of zoning that needs to be assessed in order to optimize the resources for carrying out seismic zonation. The Indian sub-continent is highly vulnerable to earthquake hazards, and past studies have focused primarily on the Himalayan region (inter-plate zone) and the northeast region (subduction zone). The book improves understanding of the Peninsular India that also has significantly high seismicity and is prone to earthquakes of sizeable magnitude. Particular attention is given to the various methodologies for assessing seismic hazards, the scales at which site characterizations are carried out, and optimal methods for zonation practices using site data and hazard indexes. Aimed at students, this book will be of use to post-graduates and doctoral students researching seismic zonation, hazard assessment and mitigation, and spatial data in earth sciences.

Inhaltsverzeichnis

Frontmatter

Chapter 1. Introduction and Overview

This chapter introduces various types of earthquake hazards and global seismic hazard scenario. Various levels of seismic zonation are discussed in this chapter along with global trends and recent developments.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 2. Earthquake and Seismicity

This chapter presents the physics of earthquakes and earthquake mechanism. Theory of plate tectonics and elastic rebound theory are explained along with global seismicity. The seismicity of India and surroundings is discussed in detail highlighting spatially varied tectonic framework of the country. A guideline for preparation of seismotectonic map is also provided in the chapter. Measurement of earthquake size in terms of intensity and magnitude are discussed with popular scales employed worldwide. Different seismic source models such as linear, point, areal and gridded seismicity models are discussed. Seismicity analysis to estimate seismicity parameters for a region or seismic source zone is also presented.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 3. Seismic Hazard Analysis

This chapter highlights the significance of Ground Motion Prediction Equations to estimate the seismic hazard at a region based on earthquake magnitude and source to site distance. A glimpse of both deterministic and probabilistic approaches for hazard assessment is presented along with a discussion on the logic tree framework. This chapter also discuss seismic hazard case studies for India as reported by various researchers.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 4. Seismic Site Characterization

This chapter describes different methodologies available for site characterization. The details of different low strain and high strain tests are also listed in this chapter. It also provides procedures for the evaluation of dynamic properties from the laboratory as well as in-situ tests. Further, this chapter also presents site characterization studies carried out at micro as well as macro-level.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 5. Local Site Effects for Seismic Zonation

This chapter predominantly discuss about the role of Local site conditions on the amplification of seismic waves and the resulted earthquake disasters. In-depth discussions are made on the various local site conditions which influence the ground shaking. Different available methods for the assessing the local site conditions are presented in this chapter. Various codal provisions for site classifications are also discussed here. This chapter also presents the assessment of local site effect at micro and macro-level using the appropriate methodologies.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 6. Liquefaction

This chapter describes liquefaction hazard assessment in detail. It provides details on the mechanism of liquefaction and procedures for evaluation of liquefaction potential based on field and laboratory tests. This chapter also presents the assessment of liquefaction hazard at micro and macro-levels. Further, it presents details about various liquefaction mitigation techniques.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Chapter 7. Principles and Practices of Seismic Zonation

This chapter describes about the principles of seismic zonations in detail. Chapter 7 presents the integration of various earthquake hazards to hazard index number, both at micro and macro-level. This chapter also provides a detailed guideline for carrying out seismic zonation of region at different levels.

T. G. Sitharam, Naveen James, Sreevalsa Kolathayar

Backmatter

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