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http://dx.doi.org/10.9711/KTAJ.2014.16.2.225

Evaluation of ground characteristics near underground rainfall storage facilities using shear wave velocity  

Jo, Seon-Ah (Dept. of Civil and Environmental Engineering, KAIST)
Oh, Tae-Min (Dept. of Civil and Environmental Engineering, KAIST)
Cho, Gye-Chun (Dept. of Civil and Environmental Engineering, KAIST)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.16, no.2, 2014 , pp. 225-236 More about this Journal
Abstract
Shear wave velocity was used to estimate the geotechnical characteristics (void ratio and shear strength) of ground near an underground rainfall storage facility. An oedometer cell was utilized to measure the shear wave velocity and the displacement of specimens. Shear strengths were obtained by direct shear tests. The relationships along the shear wave velocity, void ratio, and shear strength were verified and used to infer the shear strength profile with the depth. In addition, changes in shear strength due to the construction of the underground rainfall storage system were estimated using the suggested method. The results show that the in-situ shear strength deduced from the shear wave velocity-void ratio-shear strength relationship is in good agreement with that obtained from an in-situ investigation (SPT).
Keywords
Urban underground; Shear wave velocity; Void ratio; Shear strength; Underground rainfall storage;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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