THE PROPOSAL CONCERNING METHOD OF EVALUATING DETERIORATION AND DURABILITY OF SHIELD TUNNEL

Abstract

The researcher is doing the research and the analysis concerning the cost of the life cycle ofthe structure (LCC: Life Cycle Cost) in the inside and the civil engineering with which an economic situation is severe. LCC is minimized, and, for this, as for deterioration and durability, an appropriate evaluation is necessary forthe purpose of the research.
It is difficult in respect of the technology and cost for the existing structure under use to maintain, to update so that an underground structure may receive a spatial restriction, and to construct an alternative structure newly. Therefore, it can be said that it is especially important for an underground structure to handle durability and LCC reasonably.
In this research, to construct the method of calculating LCC of the shield tunnel, we quantitatively propose the evaluation method about deterioration and the durability of the shield tunnel. In this thesis, we report on these evaluation methods and examples of calculating LCC.