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本文分析了在改建工程中明涵盖板顶在不同填土层容重、不同荷载等级、不同跨径时其强度分析值和板顶临界填土高度值及其变化特点。
This paper analyzes the strength analysis value and the critical value of the top fill height and the changing characteristics of the top of the slab when the clear culvert covers the top of different layers, different load levels and different span diameters.