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With the continuous development of social economy, PE, PPR, PVC and other plastic pipes are increasingly used in the construction of underground pipe networks. The detection instrument can not detect the direction of the pipeline at all. The problem that the pipeline cannot be detected can be solved by the detectable warning tape (including stainless steel, copper, aluminum, aluminum foil, platinum, zinc, lead and other gold warning tapes).
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Widely used:
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Urban water supply and drainage, heating, tap water drainage, directly buried detectable pipelines, oil pipelines, electric power (high-voltage, low-voltage), communication cables and optical cables (telecommunications, mobile, China Unicom, China Railway, network, radio and television) and other fifth class transportation systems and information transmission systems related to the national economy and the people's livelihood.
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The construction and pipe burying shall be carried out at the same time, and it shall be buried between the ground and the pipeline, which plays the role of marking and warning, detecting the pipe position and so on, so as to avoid damaging the pipeline by mistake. In particular, it has an obvious protective and warning effect on the directly buried pipelines in various complex urban pipe network construction sites, road construction sites and fields.
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effect:
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During excavation, if a detectable warning tape is found, it means that there is a detectable pipeline 0.3 to 0.5 meters below, which plays a role of warning and protection. Tracer effect. When looking for buried detectable pipelines, finding the warning tape means finding the pipeline, which plays a role of tracing. The current warning has a tracer line, and the test instrument is used to accurately locate the pipeline without excavation.
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Warning tapes shall be continuously laid along the lines where detectable pipelines are buried. Before laying the warning tape, the laying surface shall be compacted and laid flat directly above the pipe. The distance from the pipe should be 0.3~0.5m, but it shall not be laid in the subgrade and pavement. The warning tape should be made of yellow polyethylene and other materials that are not easy to decompose, and printed with obvious and firm warning words. The font should not be less than 100*100mm.
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be careful:
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Frozen soil, garbage, wood and soft materials shall not be used for backfilling. The backfill on both sides of the pipeline and within 0.5m above the pipe top shall not contain debris, bricks and other debris, and shall not be backfilled with lime soil. The stones in the backfill soil above 0.5m from the pipe top shall not be more than 10%, and the diameter shall not be more than 0.1M, and shall be evenly distributed.
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The support of the trench shall be backfilled and compacted on both sides of the pipe and 0.5m above the pipe top, and then removed under the condition of ensuring safety, and the gap shall be filled with fine sand. When backfilling the trench, the suspended part at the bottom of the pipe shall be backfilled first, and then both sides of the pipe shall be backfilled.
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The backfill soil shall be compacted in layers, and the virtual paving thickness of each layer should be 0.2~0.3m. The backfill soil on both sides of the pipeline and within 0.5m above the pipe top must be compacted manually. The backfill soil above 0.5m above the pipe top can be compacted by small machinery, and the virtual paving thickness of each layer should be 0.25~0.4m.
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The basic information of the detectable warning tape includes the relevant contents of purpose, function and attention. That's it. If you plan to buy warning tapes and other products, you might as well pay attention to us first , take you to know the product information, which is helpful for your purchase.