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| Structure Inner Force Analysis of Electric Cable Tunnel under Special Loads |
| WANG Xin-1, 2 , ZHANG Qing-He-1, 2 , ZHOU Jin-Hai-3 |
| (1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 3. Shanghai Electric Power Design Institute Co. Ltd., China) |
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Abstract The use of the electric cable tunnel is different from that of metro tunnel, and also its inner loads. Based on Shanghai electric tunnel project, the structure inner force under inner and out loads was analyzed, and the calculating model should be used that have the ability to deal with changeable structure and varying loads. The analysis results show that, after the assembly of the cross beam and under corresponding inner loads, the axial force of shield tunnel segment increases; and the segment moment decreases in upper part, but increases in lower part; the moment that joint element bears decreases.
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Received: 15 October 2010
Published: 30 May 2011
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