PE管由于其材质特殊 ，不导电、不导磁、密度不高等特点 ，常用的金属探测器无法跟踪 。那怎样准确地定位PE管的地下走向呢 ？
地埋示踪线的使用是个不错的选择！
Due to its special material, non-conductive, non magnetic and low density, PE tubes cannot be tracked by common metal detectors. How to accurately locate the underground direction of PE pipe? The use of buried trace line is a good choice!
示踪线系统 ，其原理主要是依赖并行管敷设的金属线 ，使用电流穿过金属线爆发的磁场转变 ，定位示踪线的位置 ，进而推测PE管的位置 。这种系统的优点是：产品较为成熟 ，海内使用履历多 ，施工要领简朴 ，工人易于操作 ，与原有的铜制钢管系统示踪要领的检测差别不大 ，与现有系统易整合 。
The principle of the trace line system is mainly to locate the position of the trace line and speculate the position of the PE pipe by relying on the metal line laid in parallel pipes and the magnetic field change caused by the current passing through the metal line. The advantages of this system are: the product is relatively mature, there is a lot of experience in domestic use, the construction method is simple, the workers are easy to operate, the detection gap with the original copper steel pipe system tracing method is small, and it is easy to integrate with the existing system.
示踪线的形式与性能
Form and performance of trace line
1、钢丝塑料薄膜示踪线 ，是一种由钢线或其他金属丝与PE塑料薄膜压制而成 ，经常与警示带整合使用 ，钢丝直径在0.5mm?左右 。
1. Steel wire plastic film tracing line is a kind of steel wire or other metal wire pressed with PE plastic film, which is often used in combination with warning tape. The diameter of steel wire is 0.5mm? about.
性能：由钢丝为导体 ，由于横截面积小造成不易毗连 ，电阻大 ，探测距离有限只有十几米到几十米 ，现实验工中易断裂 ，电气有用连通性易被破损 ，难以知足现实需要 。
Performance: The steel wire is the conductor, which is difficult to connect due to its small cross-sectional area. The resistance is large, and the detection distance is limited to only tens to tens of meters. It is easy to break in actual construction, and the effective electrical connectivity is easy to be damaged, which is difficult to meet the actual needs.
2、电线示踪线 ，使用铜制或铝制电线缆为示踪线 ，截面积多接纳2.5-4mm? 。
2. The copper or aluminum wire and cable are used as the trace wire of the electric wire, and the sectional area is usually 2.5-4mm?.
性能：由于接纳电线或电缆 ，其检测距离远、效果好 ，但 造价相对腾贵 。电线的外外貌绝缘层是PVC ，这种质料麦迪后易老化 ，相对PE材质有所缺乏 ，电线金属芯多是铜或铝材质 ，抗拉有局限性 ，在用于通例铺设及非开挖铺设时 ，断裂几率较高 。
Performance: Due to the use of wires or cables, the detection distance is far and the effect is good, but the cost is relatively expensive. The insulation layer on the outer surface of the wire is PVC, which is easy to age after being made of McGrady. Compared with the PE material, it is insufficient. The metal core of the wire is mostly made of copper or aluminum, and its tensile strength is limited. When it is used for conventional laying and trenchless laying, the fracture probability is high.
3、专用示踪线 ，是由专用金属线芯（铜包钢）和PE外� ；げ阕槌� ，截面积多接纳205-7mm? 。
3. The special tracer wire is composed of special metal wire core (copper clad steel) and PE outer protective layer, with the sectional area of 205-7mm?.
性能：示踪线 ，接纳PE作为外� ；げ� ，绝缘、防腐、防水、抗老化 ，芯层中的铜层适当增强导电性 ，提高电信号 ，通讯科有用增添增强线体强度 ，导电性稍差但强度和力学性能优良 。在西欧示踪线应用了20余年 ，具有较好的经济效应 。现在海内多接纳示踪线作为PE管的示踪线来使用 。
Performance: The tracer line uses PE as the external protective layer, which is insulated, anti-corrosion, waterproof and anti-aging. The copper layer in the core layer properly enhances the conductivity and improves the electrical signal. The communication department effectively increases the strength of the line body. The conductivity is slightly poor, but the strength and mechanical properties are excellent. The trace line has been applied in European and American countries for more than 20 years and has good economic effect. At present, the tracer line is mostly used as the tracer line of PE pipe in China.
示踪线现在在海内PE管工程中占有主要职位 ，它的稳固性是示踪线的大亮点 ，在示踪线使用中应注重许多事项 ，您来我们网站
咨询吧！
At present, the tracer line occupies a major position in domestic PE pipe projects. Its stability is the highlight of the tracer line. You should pay attention to many matters in the use of the tracer line. Please visit our website Consult!
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