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윤원섭(Won-Sub Yoon),양철규(Chul-Hyun Yang),주원영(Won-Young Ju),박연준(Yeon-Jun Park),채영수(Young-Su Chae) 한국지반신소재학회 2015 한국토목섬유학회 학술발표회 Vol.2015 No.4
Generally, examination of stability is not needed when earthquake because most of the temporary structures are temporary constructions. So, duration of construction is not relatively long.However, in case of Japan that is the neighboring nation, there are lots of large earthquakes like great east japan earthquake. Moreover, micro-earthquakes constantly occur in my country, so temporary structures also need to be examined influence by occurring earthquakes. Therefore, in this study, behavior characteristics when earthquake occurs in temporary structures following acceleration were analysed by separating behavior characteristics into cantilever and reinforce structures of strut.
수치해석을 이용한 PHC 말뚝 이음장치의 거동 특성 연구
윤원섭(Won-Sub Yoon),방의석(Eui-Suk Bang),주원영(Won-Young Ju),김신국(Sin-Kuk Kim),채영수(Young-Su Chae) 한국지반신소재학회 2015 한국토목섬유학회 학술발표회 Vol.2015 No.4
As this study is numerical analysis study to figure out behavior characteristics of PHC pile splice equipment newly developed, it solved some problems with welded way by connecting piles. Construction cost has been cheap and duration also has been short due to easy connection by bolts between top pile and under pile. Besides, in this study, as structure of pile coupler was made more simple than splice equipment by connecting existing bolts, economical efficiency was improved by reducing expense of making pile coupler. Therefore, in the study, three dimensions numerical analysis of PHC Pile was conducted to verify the structural stability about connection of pile splice by bolted. To closely investigate stress caused in behavior of pile coupler and each part when working axial force and bending moment into connection of pile, each part of connection of pile analysis modeling by using three dimensions solid element. Numerical analysis was examined about behavior characteristics by separating when there is only load and bending moment.
윤원섭(Won-Sub Yoon),박준규(Jun-Kyu Park),김신국(Sin-Kuk Kim),주원영(Won-Young Ju),채영수(Young-Su Chae) 한국지반신소재학회 2014 한국지반신소재학회 학술발표회 Vol.2014 No.11
Through seismic method of soil structure, excellence of reinforced earth retaining wall was reported by Tatsuoka. According to his case study, most gravitational walls were great damaged and were destroyed after Kobe earthquake of 1995, whereas reinforced earth retaining wall was relatively immune to the earthquake. Existing reinforced retaining wall is reported stronger than gravitational wall in seismic. But the studies of seismic characteristics of reinforced retaining wall has left much to be desired. Therefore, this study researched about occurred characteristics of fracture plane of reinforced retaining wall during an earthquake by conducting seismic analysis to the same Section after conduct static analysis which was proposed for the method of reinforced retaining wall by FHWA(2003).
윤원섭(Won-Sub Yoon),박준규(Jun-Kyu Park),주원영(Won-Young Ju),김신국(Sin-Kuk Kim),채영수(Young-Su Chae) 한국지반신소재학회 2014 한국토목섬유학회 학술발표회 Vol.2014 No.11
When construct existing concrete wall, construct period has been delayed for long time because of depositing concrete work by field and occurred poor construction of joint. To improve these problems, In these days, There are lots of block type wall has been constructed to improve construct period and joint problems through produce blocks by factory and assemble immediately at the field. Thus, this study researched behavior characterisitcs and executed analysis on numerical value of block type wall which has been new developed.