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Soil Aggressiveness Towards Buried Water Pipelines

机译:Soil Aggressiveness Towards Buried Water Pipelines

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摘要

The potential corrosiveness of the soil was investigated in the Indian Institute of Technology, Delhi campus by experimentally measuring soil properties e.g. electrical resistivity, pH, moisture content, redox potential, sulphide, sulphate and chloride. Further evaluation of these parameters were performed using Cast Iron Pipe Research Association (CIPRA) soil test method. It was inferred that CIPRA method works accurately in tropical Indian conditions in locating the #x201C;sensitive#x201D; sites and corrosion in underground water pipelines. It was also verified by physical observations. It was observed that among all these parameters, electrical resistivity and redox potential are dominating parameters in causing corrosion to the buried water pipelines. The electrical resistivity was found to be inversely proportional to the moisture content of the soil causing more corrosive environment.

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