Subsurface Characterization using Geophysical Seismic Refraction Survey for Slope Stabilization Design with Soil Nailing

Mohd Ashraf Mohamad Ismail, Soon Min Ng, Mohd Hazreek Zainal Abidin, Aziman Madun

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Abstract

The application of geophysical seismic refraction for slope stabilization design using soil nailing method was demonstrated in this study. The potential weak layer of the study area is first identify prior to determining the appropriate length and location of the soil nail. A total of 7 seismic refraction survey lines were conducted at the study area with standard procedures. The refraction data were then analyzed by using the Pickwin and Plotrefa computer software package to obtain the seismic velocity profiles distribution. These results were correlated with the complementary borehole data to interpret the subsurface profile of the study area. It has been identified that layer 1 to 3 is the potential weak zone susceptible to slope failure. Hence, soil nails should be installed to transfer the tensile load from the less stable layer 3 to the more stable layer 4. The soil-nail interaction will provide a reinforcing action to the soil mass thereby increasing the stability of the slope.

Original languageEnglish
Article number012107
JournalJournal of Physics: Conference Series
Volume995
Issue number1
DOIs
Publication statusPublished - 11 Apr 2018
EventInternational Seminar on Mathematics and Physics in Sciences and Technology 2017 - Batu Pahat, Malaysia
Duration: 28 Oct 201729 Oct 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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