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Published in:

09-07-2022 | Original Paper

A Semi-Empirical Approach for Rockfall Prediction Along the Lengpui-Aizawl Highway Mizoram, India

Authors: Sahil Sardana, Rabindra Kumar Sinha, A. K. Verma, Mamta Jaswal, T. N. Singh

Published in: Geotechnical and Geological Engineering | Issue 11/2022

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Abstract

The article introduces a semi-empirical approach for predicting rockfall along the Lengpui-Aizawl Highway in Mizoram, India. It begins with an overview of rockfall as a significant hazard in hilly regions, influenced by various factors such as geomorphological features, freeze-thaw cycles, seismic activities, rainfall, and vegetation. The study conducted extensive field investigations along the highway, examining 13 rock slopes and collecting data on slope height, slope angle, and block weight. Laboratory experiments were also conducted to determine the restitution coefficient, a crucial parameter in rockfall assessment. Rockfall modelling was performed using the RocFall software, and parametric analysis was used to develop generalised equations for predicting rockfall parameters such as bounce height, velocity, and kinetic energy. These equations were validated through multivariate linear regression analysis and can assist engineers in designing mitigative measures against rockfall. The study highlights the importance of a comprehensive approach that combines field investigations, laboratory tests, and advanced modelling techniques to enhance rockfall hazard assessment and mitigation strategies.

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Metadata
Title
A Semi-Empirical Approach for Rockfall Prediction Along the Lengpui-Aizawl Highway Mizoram, India
Authors
Sahil Sardana
Rabindra Kumar Sinha
A. K. Verma
Mamta Jaswal
T. N. Singh
Publication date
09-07-2022
Publisher
Springer International Publishing
Published in
Geotechnical and Geological Engineering / Issue 11/2022
Print ISSN: 0960-3182
Electronic ISSN: 1573-1529
DOI
https://doi.org/10.1007/s10706-022-02229-z

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