BASIC PRINCIPLES AND INTERPRETATION TECHNIQUES OF UNDERGROUND LINE PIPE DETECTION
Feng Chongde1, Shi Baolian2
1. Designing Institute of Highway planning and Exploration, Department of Communications of Sichuan Province, Chengdu, 610041;
2. Chengdu College of Geology, Chengdu 610059
This paper deals in detail with the basic principles and interpretation techniques forthe detection of underground line pipes with the direct detection mothod.It advances a new vectorintersection drawing method for determining positions and depths of line Pipes and givingconfidence of the detection results.Results with high. confidence can ho provided in situ.Description is also made con-cerning the instrument and equipment for line pipe detection and their application of effects.