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Seismic response of natural gas and water pipelines in the Ji-Ji earthquake |
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| Authors: | Walter W Chen Ban-jwu Shih Yi-Chih Chen Jui-Huang Hung Howard H Hwang |
| Institution: | a Department of Civil Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-Hsiao E. Road, Taipei 106, Taiwan, ROC b Department of Civil Engineering, Bureau of Reconstruction, Penghu County Government, Magung City, Penghu 880, Taiwan, ROC c Center for Earthquake Research and Information, 3876 Central Ave., The University of Memphis, Memphis, TN 38152, USA |
| Abstract: | In order to study the damage patterns of natural gas and water pipelines in the Ji-Ji earthquake, a GIS database and analysis procedures were established. Repair statistics was obtained from major natural gas companies and the Taiwan Water Supply Corporation (TWSC), and entered into the system. Then, repair rates (RR) were calculated. Previously, damage was analyzed without considering the corresponding pipeline material and diameters. In this study, new attempts were made to collect more data including those related to the composition of pipelines to provide a more detailed analysis of the relationship between earthquake forces and the resulting damage. Statistical analysis was also conducted to understand the correlation between RR and seismic parameters such as the peak ground acceleration, peak ground velocity, and spectrum intensity. |
| Keywords: | Ji-Ji earthquake Natural gas pipelines Water pipelines Buried pipelines Damage ratios Repair rates Damage analysis Taichung City Wufeng Shiang Chi-Chi earthquake |
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