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http://dx.doi.org/10.9711/KTAJ.2010.12.2.177

Suggestion for the improvement of the field measurements on the shotcrete lining  

Kim, Hak-Joon (대전대학교 지반설계정보공학과)
Park, Si-Hyun (한국시설안전공단 일반도로팀)
Bae, Gyu-Jin (한국건설기술연구원)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.12, no.2, 2010 , pp. 177-192 More about this Journal
Abstract
The field measurements on the shotcrete lining are usually performed during the tunnel construction. However, the credibility of the measurements is not certain because of the non-stress related strains occurring in the shotcrete, the uncertainty of the deformation modulus of the shotcrete, and the intrinsic difficulties involved in the strain measurements in the shotcrete. The problem related to the field measurements on the shotcrete is investigated using the review of the previous studies and the field measurement performed for this study. A method for the correction of stress measurements at the shotcrete lining, considering the non-stress related strains, is suggested using the literature review and the actual measurements obtained from the non-stress shotcretes. The deformation modulus used for the calculation of the stress acting on the shotcrete is also suggested.
Keywords
Field measurements; shotcrete lining; non-stress shotcretes; deformation modulus of the shotcrete;
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Times Cited By KSCI : 5  (Citation Analysis)
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