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Title |
Experimental Study for Earthquake and Subsidence-resistant Performance Evaluation of iPVC Buried Water Pipe
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Authors |
전법규(Bub-Gyu Jeon) ; 장성진(Sung-Jin Chang) ; 김재봉(Jae-Bong Kim) ; 주부석(Bu-Seog Ju) |
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DOI |
https://doi.org/10.11112/jksmi.2020.24.1.16 |
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Keywords |
매립 상수도관; iPVC 배관; 내진 성능평가; 내침하 성능 평가 Buried water pipe; iPVC pipe; Earthquake-resistant; Subsidence-resistant |
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Abstract |
Water pipes are important facilities and consist of pipes of various specifications and materials. The annual average number of earthquakes in Korea is steadily increasing. Therefore, in case of the water pipe, it is estimated necessary to prepare for earthquakes. Damages to the water pipe by the earthquake can cause problems such as water supply and fire suppression, and cause damage to life and property. In Korea, however, it is difficult to find examples of seismic performance evaluation of water pipes based on experimental study. Damage to the water pipes by the earthquake is caused by the displacement-controlled behavior of the ground which is the liquifaction and fault lines. Especially, The damage to the water pipes by the earthquake is concentrated on the joint of the pipe. In particular, piping less than 200mm in diameter was found to be dangerous. Thus, in this study, the seismic and settlement performance of iPVC buried water pipes with fixed joints with a clamp of 150mm was evaluated with a test approach.
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