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허열 ( Yol Heo ),이처근 ( Cheo Keun Lee ),오승탁 ( Seung Tak Oh ) 충북대학교 건설기술연구소 2010 建設技術論文集 Vol.29 No.1
There are wide regions of normally consolidated, or lightly overconsolidated soft clay deposits found in the western and southern Korea. The water contents of these layers are between 30% and 70% and undrained shear strength is around 10~30kPa. In this study, the characteristics of clay in Busan area, which is representative harbor in south coast and has been investigated for the diverse soil data because a large scale of harbor construction has been constructed, was investigated through the laboratory tests and field tests data.
허열 ( Yol Heo ),박성훈 ( Seong Hoon Park ),오승탁 ( Seung Tak Oh ) 충북대학교 건설기술연구소 2010 建設技術論文集 Vol.29 No.1
The in-situ test is advantageous in that it can accurately identify the ground behavior. It requires much time and cost, however, because the physical properties and boundary conditions of the ground must be varied to examine their impacts. In addition, the laboratory model test (1 g condition) does not guarantee the reliability of the test results in terms of the similitude to the full scale and nonlinear soil behavior. Therefore, the use of a centrifuge model experiments is recommended, which can reproduce the stress level in the field by artificially applying centrifugal force to accurately and economically simulate the geotechnical behavior of the in-field full scale structure using a miniaturized model. In this study, a centrifuge model experiment was conducted to collect the basic data for the stress and deformation of the surrounding structure and ground for the practical design stage by comparing the geotechnical deformations according to the installation of SCP and GCP in the soft ground construction.