Pipeline route selection and survey mode in mountainous complicated sections

Taking route selection and survey mode at mountainous complicated sections as study objectives, made comparison to measuring results made by manual survey and aerial survey modes. Result showed that aerial survey mode is superior over that of manual survey in even accuracy, reliable survey result, short work term, low cost, low working strength, etc. The photo taken by aerial survey can be used comprehensively in multi-aspects. It provided convenient condition and reliable guarantee for pipeline route study and concrete performance.