Design and evaluation of coupled developing projects considering regional development and sustainable environment

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When an underground structure finished its original service life, it is neccessary to conduct its continual maintenance and control to decrease the impact on neighborhood from the environmental system viewpoints. The authors have discussed the feasiblity on underground space renewal as a measure of maintenances and controls of underground spaces. As an example, a plan of the underground pumped-storage power generation system (UPSPG) and the utilization of waste water from the coal mine which cohabits with an active coal mine was proposed. However, it is very important to predict the accurate economical ripple effect to the region accompanied by promoting such a project.This research discusses not only the detailed design of the UPSPG project and the water resource development project, but the comparison of the economical ripple effect in accordance with construction, management of these projects and activity of the coal mine by the industrial linkage analytical method.