Grouting-test Study on Expansive Soil of Hefei Area
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摘要: 针对合肥地区膨胀土进行劈裂注浆试验,分析了注浆及复合土体形成的过程;对注浆后形成的复合土体进行三轴固结排水剪试验,结果表明经注浆后土体的强度得到显著改善,同时,复合土体应力应变关系仍符合邓肯模型规律。Abstract: Basted on the grouting-test on expansive soil of Hefei local area,the process of grouting and combination soil is analyzed,and CD Triaxial-test is carried on the compound soil. Both the above tests verify the efficiency of the split grouting and the stress-strain relationship of combined soil can be explained by Duncan-Chang model.
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Key words:
- expansive soil /
- split grouting-test /
- triaxial-test
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