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对抚顺乙烯化工有限公司铁路装卸系统改建、扩建工程线路设计中遇到的防洪、管线穿越铁路路基、管沟、栈桥设置及大量土石方回填等问题采取的设计方法进行了论述。改建后经济效益显著
The design methods adopted by Fushun Ethylene Chemical Co., Ltd. for the rebuilding of railway loading and unloading systems, flood control projects encountered in the design of extension projects, the design of pipeline crossing railway subgrade, pipe ditches and trestle bridges, and a large amount of earthwork backfill were discussed. After the renovation of significant economic benefits