石灰改良干化建筑泥浆的室内试验研究 |
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引用本文: | 朱旭飞,朱挺,余以强,要彦波,陈晓清.石灰改良干化建筑泥浆的室内试验研究[J].路基工程,2020,0(4):82-86,92. |
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作者姓名: | 朱旭飞 朱挺 余以强 要彦波 陈晓清 |
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作者单位: | 绍兴市城投再生资源有限公司,浙江绍兴312000;绍兴市科技产业投资有限公司,浙江绍兴312000;浙江省交通运输科学研究院,杭州310023 |
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基金项目: | 浙江省住房和建设厅建设科研项目(2018K049) |
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摘 要: | 对集中工厂化脱水处理的建筑泥浆进行了一系列室内试验,确定了干化建筑泥浆的物理和化学特性,并采用单掺石灰固化的方式,研究了石灰改良干化建筑泥浆的力学性质。结果表明:干化泥浆为细粒土,塑性较大,采用集中脱水处理方式显著提高了泥浆的均质性;确定8%为最佳石灰掺量;试样的黏聚力c和内摩擦角φ均随着养护龄期的增加而增大。
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关 键 词: | 建筑泥浆 工厂化脱水 组分分析 石灰改良 路基填料 |
收稿时间: | 2020-03-11 |
Laboratory Test Study on Lime-modified Drying Construction Slurry |
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Abstract: | A series of laboratory tests were carried out on the construction slurry under centralized processing of factory dehydration to specify the physical and chemical properties of the drying slurry; furthermore, by means of mixing lime only for solidification, the mechanical property thereof was studied. The result shows that the drying slurry is of fine-grained soil with high plasticity, and the homogeneity of slurry is increased greatly by means of centralized dehydration; the optimal lime content is determined to be 8%; the cohesion c and the internal friction angle φ of the specimen increase with the increment of curing age. |
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