The embedded passage is a component supporting the catenary in the construction of high-speed railway, which is used in the tunnel engineering of high-speed railway. The channel is embedded in concrete and used to fix catenary, communication signal and power equipment. High-speed railway requires high pressure resistance and corrosiveness of the passage, and the passage with zinc spots implies great security risks. The rusty passage is not supported enough, and the catenary is likely to fall on the running train due to insufficient passage support.
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Analysis of high-speed rail channel /topic_gaotiecaodao.html