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(사)한국터널지하공간학회

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

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2016, v.18 no.1, pp.53-60
https://doi.org/10.9711/KTAJ.2016.18.1.053

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Abstract

This study analyzed a monitoring data, based on the initial limit values of monitoring in subway, of earth pressure and pore water pressure. The data is obtained from 8 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 show that the safety phase is 60% of allowable pressure, the attention phase is 80% of allowable pressure and the precision analysis phase is 100% of allowable pressure. Also, we presented a method of management monitoring by the absolute value which can be easily applied easily in practical affairs.

keywords
Management monitoring in tunnel, Pressure limit values, Earth pressure, Pore water pressure, 터널 유지관리계측, 압력 관리기준치, 토압, 간극수압

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(사)한국터널지하공간학회