Auteur Changho Lee
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Documents disponibles écrits par cet auteur (3)
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Article : texte imprimé
Dong-Hyun Shin, Auteur ; Changho Lee, Auteur ; Jong-Sub Lee, Auteur |The installation of a prefabricated vertical drain (PVD) using a mandrel results in soil disturbance adjacent to the PVD, which is known as the smear zone. The smear zone is investigated by a series of radial penetration tests including a micro-[...]![]()
Article : texte imprimé
Changho Lee, Auteur ; Jong-Sub Lee, Auteur ; Shinwhan An, Auteur |This paper explores the standard penetration test (SPT) hammer-anvil behavior and investigates the effect of secondary impact on SPT energy and sampler penetration. It is observed that the hammer-anvil behavior after the impact depends on the ch[...]![]()
Article : texte imprimé
Jong-Sub Lee, Auteur ; Changho Lee, Auteur ; Hyung-Koo Yoon, Auteur |The assessment of the shear stiffness of dredged soft ground and soft clay is extremely difficult due to soil disturbances caused during sampling and field access. Several in situ methods such as spectral analysis of surface waves, multichannel [...]


