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碱液法
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碱液法
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强夯置换法
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lye treatment
碱液法
把具有一定浓度的氢氧化钠溶液(碱液)加热到90~100℃,通过带孔注浆管在自重作用下灌入土中,土粒表层会逐渐发生膨胀和软化,进而发生表面的相互融合和胶结(钠铝硅酸盐类胶结)的地基处理方法。这种融合胶结是非水稳性的,只有在土粒周围存在有氢氧化钙(Ca(OH)2)和氢氧化镁(Mg(OH)2)的条件下,才能使这种胶结构成为强度高且具有水硬性的钙铝硅酸盐络合物。
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更新时间:2025/3/14 15:14:35