แนวทางการพิจารณาการวางท่อด้วยวิธีดันลอดแทนวิธีขุดเปิดในเขตกรุงเทพมหานคร / ธนพงศ์ รอดทอง = Suitability of pipe jacking method over open cut method in Bangkok / Thanapong Rodtong
To study factors for underground public pipe placing method selection and to determine criteria for choosing the appropriate method - open cut and pipe jacking method - according to actual physiographic and working situation in Bangkok area. The study data were collected from Metropolitan Electricity Authority (MEA), as well acquainted with both methods. The research processes consisted of (1) setting the factors from past projects data, Bangkok physical data and literature review (2) ranking factors and comparing pipe placing method by questionnaire asked from specialists - designers and inspectors of MEA (3) determining factor weight by Rank Sum Weight, one of Rank Weighting Technique and calculating method's score by Pairwise Comparison Method and (4) setting criteria for pipe placing. Besides, the research were conducted primary environmental impact study guideline, regulations and construction cost for both methods. The results indicated that the most important factor to select the pipe placing method was traffic condition in road. Regarding to this study, criteria outputs were similar to the method used in present or past projects. Consequently, this criteria can be used for selecting the suitable method in future project.
