文章详细信息 关键词： 改良土;;路基填料;;压实系数;;无侧限抗压强度 [gap=454]Keywords: improved soil,roadbed filler,compaction coefficient,unconfined compression strength
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lime improved soil 石灰改善土
cement improved soil 水泥改善土
artificially improved soil 人工改良土
physical improved soil 物理改良土
improved soil structure 改良的土壤结构
improved soil productivity 提高土壤生产力
soft rock improved soil 软岩改良土
mixture of improved soil 改良土混合料
strength of improved-soil 改良土的强度
Taking the construction of the roadbed of Luoyang-Zhanjiang Railway as the example, this paper introduces the construction method of using the improved soil in the bottom layer and lower road embankment.
以洛湛铁路路基的施工为例,介绍了改良土用于底层及下部路堤的施工方法。
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Results show that this measure is useful to increase strength of cement improved soil.
试验结果表明，这一措施对水泥土绝对强度的提高有一定程度的改善作用。
The cement improved soil is a kind of important fill material used widely in construction of railway subgrade.
水泥改良土是高速铁路路基工程中广泛使用的一种重要填料。
Besides, applying fertilizer improved soil microbial biomass c, however, divergence between NPK and Ntreatment is not marked.
施用肥料能提高土壤微生物量碳的含量，但NPK处理与N处理差异不大。
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