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Experimental Investigation of Cement Mixing to Improve Lake Agassiz Clay

机译：水泥混合改善苏曲粘土的实验研究

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Deep mixing method (DMM) is a ground stabilization technique using lime or cement binders. The DMM has gained increasing applications to minimize ground settlements and increase stability to support structures. However, this ground improvement technique has not yet been used extensively in Manitoba. For the effective design of DMM, mixtures of cement, clay, and water that would produce optimal strength and stiffness are generally determined through laboratory tests. A total of 120 unconfined compression tests were conducted at different amounts of cement in the admixtures, water-cement ratio, and curing periods were conducted on Lake Agassiz clay frequently found in Manitoba. The results were compared with those of Champlain clay found in Ontario and Quebec and Ariake clay in Japan where extensive data are available. This paper discusses the outcome of the comparison. It was found that the improvement effect of Lake Agassiz clay by DMM is an effective means to increase the strength.
机译：深搅拌方法（DMM）是使用石灰或水泥粘合剂的地面稳定技术。 DMM已经获得了越来越多的应用，以最大限度地减少地面定居点并提高支持结构的稳定性。然而，这种地面改进技术尚未在曼尼托巴省广泛使用。对于DMM的有效设计，通常通过实验室测试确定将产生最佳强度和刚度的水泥，粘土和水的混合物。在混合物中的不同水泥上进行了总共120种无凝结的压缩试验，在Manitoba经常发现的Agassiz粘土中进行了水水泥比和固化期。将结果与在日本安大略省和魁北克和魁北克和Quebec和Ariake粘土中发现的结果进行了比较。本文讨论了比较的结果。结果发现，DMM湖杆菌粘土的改善效果是增加强度的有效手段。

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