| Title: | APPLICATION OF FREEZING METHOD TO RECOVER TUNNEL ACCIDENT IN COMPLEX STRATUM OF NANJING SUBWAY |
| DOI No: | 10.1142/9789812701602_0074 |
| Source: | GEOTECHNICAL ENGINEERING FOR DISASTER MITIGATION AND REHABILITATION (pp 605-610)
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| Author(s): | PING YANG
Faculty of Civil Engineering, Nanjing Forestry University, Longpan road 159#, Nanjing, Jiangsu, China
FENG-BIN ZHU
Faculty of Civil Engineering, Nanjing Forestry University, Longpan road 159#, Nanjing, Jiangsu, China
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| Abstract: | By the application of the freezing method to handle several engineering accident in Nanjing subway’s complicated stratum, this paper presented the freezing design method, and analyzed the monitoring result and pattern of freezing-induced ground surface deformation in the sites. It is suggested that bore-unloading could counteract a portion of frost heave deformation and the grouting was to be the key measure to minimize the thaw settlement. Guidelines are provided for the application of the freezing method to deal with related engineering accident and construct subway in complicated stratum. |
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