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Liquefaction case histories after the 2016 megathrust pedernales earthquake in ecuador

Abstract:

After the extensive damage that the 2016 Mw 7.8 Ecuador Earthquake produced, the early response of local and international organizations together with the continuous monitoring of private companies, allowed to collect valuable data of sites with geotechnical manifestations produced during the Earthquake. Particularly, liquefaction and its related effects were observed on numerous sites along the northwest and west coast of Ecuador. Many of these sites were studied and analyzed, some of them with various exploration techniques (e.g., shear wave velocity, Chinese dynamic cone penetration, cone penetration test, standard penetration test, and dilatometer tests). This document summarizes six cases of liquefaction that were heavily monitored, and whose results provide valuable information for liquefaction data.