Application of Fault Tree Analysis to Urban Gas Pipeline Safety Assessment

The current development situation of gas pipeline safety assessment technology is introduced. The gas pipeline safety assessment system in China is analyzed.Some methods used for gas pipeline safety assessment are expounded,and the application of fault tree analysis(FTA) is discussed.According to gas pipeline accidents,the leakage influence factors are induced,and different fault tree models are described.Based on the FTA,the qualitative and quantitative safety assessment procedures and some improvement suggestions are put forward.