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http://dx.doi.org/10.9711/KTAJ.2015.17.1.025

A study on the establishment of stress limit values of management monitoring in tunnel  

Woo, Jong-Tae (Dept. of Construction and Environmental Design, Kyungbok University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.17, no.1, 2015 , pp. 25-32 More about this Journal
Abstract
This study analyzed a monitoring data, based on the initial limit values of monitoring in subway, of concrete lining stress and reinforcement stress. The data is obtained from 7 sections of the Seoul metropolitan subway line No 6, 7, and 9 in about 5 years. Also, a research is performed to set up the limit values of management monitoring, which will be applied to management monitoring in tunnel, through comparing the limit values of overseas management monitoring data and that of domestic management monitoring data. And the result obtained from comparison shows that the safety phase is 60% of allowable stress, the attention phase is 80% of allowable stress and the precision analysis phase is 100% of allowable stress. Also, we presented a method of management monitoring by the absolute value which can be easily applied in practical affairs.
Keywords
Management monitoring in tunnel; Stress limit values; Concrete lining stress; Concrete lining reinforcement stress;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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