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http://dx.doi.org/10.9711/KTAJ.2020.22.1.047

Waterproofing performance evaluation according to the number of layer for shield TBM segment hydrophilic rubber waterstop  

Ham, Soo-Kwon (Dept. of Civil and Environmental Engineering, Konkuk University)
Jung, Hoon (Dept. of Civil and Environmental Engineering, Konkuk University)
Kim, Beom-Ju (Dept. of Civil and Environmental Engineering, Konkuk University)
Jeong, Kyeong-han (The Dream E & C)
Lee, Seok-Won (Dept. of Civil and Environmental Engineering, Konkuk University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.22, no.1, 2020 , pp. 47-58 More about this Journal
Abstract
The interest in the use of shield TBM (Tunnel Boring Machine) on the tunnel excavation has been increased rapidly in Korea. The shield TBM tunnel is generally designed as non-drainage tunnel. Consequently, if water leakage through the segment joints happens, big problems on the usage and stability of tunnel can be occurred. In this study, the variation of waterproof capacity of hydrophilic rubber waterstop by the construction error and excessive displacement of segment was studied. In particular, the waterproof capacity of each of single and double layer arrangements of hydrophilic rubber waterstop was examined to verify the efficiency of the double layer arrangement. The test results show that the single layer and double layer hydrophilic rubber waterstop showed the same waterproof performance. hydrophilic rubber waterstop has favorable on the offset, however unfavorable on the gap.
Keywords
Hydrophilic rubber waterstop; Number of layer of waterstop; Shield TBM; Waterproofing; Segment lining;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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