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임재춘 ( Jae Choun Lim ),나상훈 ( Sang Hun Na ),안종필 ( Jong Pil Ahn ) 조선대학교 공학기술연구원 2009 공학기술논문지 Vol.2 No.1
The spot where bottom foundation of a marine bridge is constructed is deep in depth of water and a bedrock, bearing stratum, is very deeply distributed. So, I analyzed material of soil profile and then evaluate bearing capacity and safety of settlement when a stake of site construction is designed using a projection cast in place concrete pile and a sacrifice steel cast in place pile. Also, I analyzed and researched practical affairs like a slime processing and plumbing maintenance in supervision of execution.
안종필 ( Jong Pil Ahn ),나상훈 ( Sang Hun Na ),임재춘 ( Jae Choun Lim ) 조선대학교 공학기술연구원 2008 공학기술논문지 Vol.1 No.2
In this study, it has been indicated reasonable investment decision makings for an Sewer Pip Structures design and the process to analyze VE/LCC(Value Engineering/Life Cycle cost) analysis for selecting patterns. Through the process indicated, it makes the squandering of resources and environmental disruption minimize in public. In the ultimate, this study is accomplished to indicate objective analysis patterns for the value which is a main valuation pattern for the most reasonable investment decision makings. The VE/LCC process is applied to Sewer Pipe selecting patterns in real as well. To sum up the result of this study, it shows to indicate separately; technical element (hydraulic stability, durability, structure stability) and social element (greenness, maintenance and management, construction, function convenience) on the standard item of an Sewer Pipe Structures efficiency evaluation. consideration item could be apply and estimate more systematically through accomplishments; the result of the questionnaire to experts apply to AHP in the items which are function evaluations and estimating weight for Sewer Pipe Structures selecting patterns. The most suitable result has been selected according to the initial cost of construction from only experience decision of experts for selecting a most suitable alternative in established Sewer Pipe Structures but, in this study, alternatives could be selected from LCC analysis including the initial cost of construction as well as maintenance and management expenses. The proposed methodology incorporates a VE/LCC model and a performance evaluation technique to properly handle the uncertainties associated with the historical data and to analyze the value of alternatives more rationally.