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Journal of Henan University of Urban Construction. 2024, (04)

Effect of free iron oxide on disintegration and shear strength of granite residual soilChinese Full Text

MA Gao-feng;ZOU Wei-lin;MA Ya-xin;WANG Zhi-bing;School of Civil Engineering,Guilin University of Technology;State Key Laboratory of Geomechanics ＆ Geotechnical Engineering;

Abstract: To analyze the effect of free iron oxide on the physical and mechanical properties of granite residual soil, the granite residual soil in southeast Guangxi was taken as the research object.The free iron oxide in granite residual soil was removed by sodium dithionite-sodium citrate-sodium bicarbonate（DCB） solution, and the remodeled soil samples with different free iron oxide contents were prepared.The results show that the shear strength of granite residual soils is significantly improved with t... More
Keywords：

granite residual soil; free iron oxide; disintegration characteristics; shear strength; SEM; DCB method;

  • DOI：

    10.14140/j.cnki.hncjxb.2024.04.002

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (A) Mathematics/ Physics/ Mechanics/ Astronomy

  • Subject：

    Geology; Architecture and Engineering

  • Classification Code：

    TU43

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