한국해양대학교

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지진 시 지반배수조건에 따른 구조물 및 지반의 거동분석

Title
지진 시 지반배수조건에 따른 구조물 및 지반의 거동분석
Author(s)
이학주
Keyword
Earthquake, Drainage condition, Seismic response analysis, Dissipation, Liquefaction
Publication Year
2020
Publisher
한국해양대학교 대학원
URI
http://repository.kmou.ac.kr/handle/2014.oak/12418
http://kmou.dcollection.net/common/orgView/200000283933
Abstract
In this study, according to drainage condition(undrained and drained) in soil, the settlement and horizontal displacement of caisson quay wall and apron in Youngilman port were estimated which was occurred due to earthquake-induced excess pore water pressure with the magnitude of 5.4 earthquake in Pohang on November 15, 2017. In general, seismic response analysis was carried out under undrained drainage condition, but in this study, drain drainage analysis was conducted to estimate displacement during earthquake as well as an additional displacement due to dissipation of excess pore water pressure after earthquake. These results of after earthquake can not be known under undrained drainage condition. Results clearly showed that the behavior of structure and ground was dependent on drainage condition in soil. Especially, based on the drained drainage condition, the additional displacement was clearly detected due to dissipation of excess pore water pressure after earthquake. Which indicates that both results are different from drainage condition in soil, and therefore, drained condition analysis is necessary to accurately estimate the behavior of ground and structure in seismic response analysis.
Appears in Collections:
해운항만물류학과 > Thesis
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200000283933.pdf Download

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