胶日线天然气管道多处与电气化铁路及高压输电线并行、交叉, 存在严重的交流干扰风险, 根据现场检测数据, 利用相关标准对交流干扰程度进行了评估; 并利用数值模拟软件建立了胶日线交流干扰模型。通过计算研究了不同形式缓解地床的缓解效果, 得出了可行的缓解方案。缓解方案实施后, 胶日线管道交流干扰缓解达到了预期目标, 可为同类工程提供参考。

Jiaori natural gas pipeline is in parallel with or crosses AC electrified railways and high voltage transmission lines in many places, so there is high risk of AC interference. On the basis of in-situ test data, the AC interference of Jiaori natural gas pipeline was evaluated according to corresponding standards. The AC interference model of Jiaori pipeline was built up using numerical simulation software and the mitigation effects for different kinds of mitigation ground beds were studied. The most suitable mitigation scheme was proposed according to calculated results. After the mitigation scheme was constructed, the field measurement indicated that the mitigation object achieved, which can be referenced by similar projects.