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| 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 |
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Abstract 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.
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Received: 15 July 1994
Published: 24 December 1994
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