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首页> 外文会议>Annual technical conference of the North American Society for Trenchless Technology 2008 >AN EXPERIMENTAL STUDY OF SOIL EROSION AROUND LEAKING PIPES
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AN EXPERIMENTAL STUDY OF SOIL EROSION AROUND LEAKING PIPES

机译：导水管周围土壤侵蚀的实验研究

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Infiltration into leaking pipes is a problem of growing concern to geotechnical and environmental engineers. Adverse effects of pipe leaking include groundwater contamination and soil erosion into cracks, holes and joints. It has been reported that soil erosion can lead to significant stress changes around pipes. The resulting stress concentration can leads to further deterioration and possibly failure. In this study, experimental investigations have been conducted to examine the effects of different parameters (e.g. hole size, location and soil type) on the contact pressure against a rigid pipe and the associated soil movements. Significant increase in radial pressure was measured when a hole is introduced at the pipe crown. The experimental results presented in this study provided an insight into understanding this important soil-structure interaction problem.
机译：渗入泄漏的管道已成为岩土工程和环境工程师日益关注的问题。管道泄漏的不利影响包括地下水污染和土壤侵蚀成裂缝，孔洞和接缝。据报道，水土流失会导致管道周围的应力显着变化。所产生的应力集中会导致进一步的恶化，甚至可能导致故障。在这项研究中，已经进行了实验研究以检查不同参数（例如孔的大小，位置和土壤类型）对刚性管道的接触压力以及相关的土壤运动的影响。当在管冠处插入一个孔时，测得的径向压力显着增加。在这项研究中提出的实验结果提供了了解这一重要的土壤-结构相互作用问题的见识。

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