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2009 permeation test results for grouts made with ultrafine cements

机译:2009年用超细水泥制成的灌浆的渗透测试结果

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The demonstration and testing of the grout penetration in the sand columns has evolved and modifications have been made to mixes and injection procedures from year-to-year. In the planning for the 2010 demonstration, an effort will be made to determine the in-place density of the sand within the column. Also, there is discussion of filling some of the sand column with the "older" pre-2009 sand and some of the columns with the "newer" 2009 sand while keeping the grout mix the same for both sand gradations.
机译:砂柱中水泥浆渗透性的演示和测试已经得到发展,并且逐年对混合和注入程序进行了修改。在2010年演示计划中,将努力确定色谱柱内沙子的原位密度。此外,还讨论了在某些砂柱中填充“ 2009年前的较旧”砂子,以及在某些砂柱中填充“ 2009”较新的砂子,同时使两种级配的灌浆混合物相同。

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