| dc.description.abstract | In recent years, the worksite of deploying the underground plumbing system tends to be located in the urban densely-populated area, which is extremely vulnerable to the negative side-effect from the construction process. In order to keep the negative impact on the living quality of nearby residents to the minimum, the no-dig method (免開挖工法)instead of the open and cut method (開挖工法), is much more often adopted.However, the issue of friction generated in this construction process has not yet been analyzed theoretically; and for this specific reason, instead of following a reliable evaluation system based on the theoretical
framework, the length of the pipes and the selection of the capacity of the digging equipments are determined mostly by the empirical experience. To fill the theoretical gap in this field, the present thesis aims to propose a formula for the calculation of the friction generated in the construction process, and the dynamic friction value in accordance with the geological condition, in order to determine the selected digging equipments’performance and the possible maximum length for the pipes to be deployed. | en_US |