巷道掘进中电阻率法超前探测原理与应用

基金项目:

山东省自然科学基金项目(Q99E08)资助

详细信息

THE PRINCIPLE AND APPLICATION OF ADVANCE SURVEYING IN ROADWAY EXCAVATION BY RESISTIVITY METHOD

摘要: 通过建立超前探测实际地电模型,进行单极—偶极法理论视电阻率曲线的计算,探讨了巷道前方存在低阻地质异常体的电阻率响应特征,提出了工作方法和解释方法,结合具体实例介绍了应用效果。
- 超前探测 /
- 电阻率法 /
- 含水构造 /
- 应用实例
Abstract: The master curves of apparent resistivity on pole-dipole array are calculated and the resistivity response characteristics of low resistivity geologic structure in the front of roadway are discussed by building the actual geologic-electric models on advance surveying.Surveying and explanation methods are provided.The applications are introduced by application examples in the paper
- advance surveying /
- resistivity method /
- water-bearing structure /
- application examples