Research Progress in Leakage Failure and Database of Buried Gas Pipelines

The researches on gas pipeline accidents are disscussed based on the leakage failure of buried gas pipelines and the pipeline database. The leakage failure of gas pipelines is studied in terms of the accident causes, leakage detection and risk assessment. The structure and functions of pipeline database at home and abroad are summarized, and the necessity and significance for developing the pipeline database are pointed out.