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通过对高液限土化学、物理改性的研究,初步成果显示,改性措施对降低液限值有一定作用,但要将液限高的高液限土改性为液限在50%以下的低液限土,则要大量改性材料,很不经济。工程上要大量使用高液限土,应采用“包裹法”施工。同时,可用“三指标”含水量,使“包裹法”施工质量得到充分保证。“掺拌摊铺法”施工,是解决高含水量施工的有效办法。
Through the study of chemical and physical modification of high liquid limit soil, the preliminary results show that the modification measures have a certain effect on reducing the liquid limit. However, the high liquid limit soil with high liquid limit should be modified to have the liquid limit below 50% Low liquid limit soil, then a large number of modified materials, it is not economical. The project should be extensive use of high liquid limit soil, should be used “package ” construction. At the same time, available “three indicators ” water content, so that “package ” construction quality is fully guaranteed. “Mixed mixing paving method” construction, is an effective solution to the construction of high water content.