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  4. Study to Resolve Sinking Floor Slabs

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地球物理学・地盤工学

Study to Resolve Sinking Floor Slabs

at Various Buildings, Marine Corps Air Station (MCAS) Iwakuni.

In this project, OYO worked as the lead geotechnical investigator to conduct an investigation of
subsurface conditions causing floor slab deformation and wall cracking occurring at eighteen
facilities spread throughout the installation. OYO conducted a detailed subsurface exploration program
that included subsidence survey, S-wave prospecting, ground penetrating radar, soil boring with in-situ testing.
Based on our findings recommendations for remedial construction repairs were made based on life-cost analysis.

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