The Application of Magnetic Gradient Test in Ningbo Rail Transit Project Construction
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摘要: 介绍了一种磁梯度法与打样洞触探相结合的深埋非开挖金属管线的探测方法。首先采用磁梯度法对深埋金属管线的具体位置、走向及埋深进行了粗略探测定位，再采用打样洞触探方式将其精确定位。结合宁波市轨道交通工程实例，证明该方法具有良好的实际应用效果。Abstract: This paper introduces the method of combining magnetic gradients test and direct detecting to detect the deep buried metallic pipeline First,using the magnetic gradient test to detect the location,trend and depth of the deep buried metallic pipeline roughly.Then,locate the deep underground pipeline accurately by using the direct detecting.Combined with Ningbo rail transit project,this method is proved to be effective in application.
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Key words:
- magnetic gradient test /
- direct detecting /
- deep buried metallic pipeline /
- rail transit
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