Experimental research on fluid solidified loess based on vibration mixing
ZHENG Qiyin
YAO Yunshi
HAO Weiguo
WANG Changda
ZHANG Mengdi
HUANG Kunpeng
SHANG Qingfang
Abstract：In order to improve the engineering application performance and production efficiency of fluid solidified soil,five different loesses in Shanxi were used to carry out a comparative test of preparing fluid solidified soil with different mixing pro-cesses,including the flow properties of freshly mixed fluid solidified soil,stone rate,strength and water stability after solidification under different types and dosages of solidifying agents,mixing methods,and mixing time.The results show that when the curing a-gent content is 8%,it can meet the engineering application requirements.Under the same test conditions,compared with ordinary mixing,the flow expansion of the solidified soil produced by vibration mixing is increased by 10～20 mm,the suspension and stone formation rate are better,the 28 d strength is increased by 9.1%～18.3%,and the loss rate of 28 d strength after immersion in water for 24 h is relatively reduced by 0.4%～1.8%,and the mixing time can be shortened by 20%.Compared with P·O42.5 cement,the stone rate of solidified soil under the self-developed HT-type solidifying agent is slightly increased,the 28 d strength is increased by 7.6%～16.7%,and the 28 d strength loss rate is relatively reduced by 0.8%～1.7%after immersion in water for 24 h,the overall performance is better.
Keywords：vibration mixingfluid solidified soilgoaf fillingloesssolidifying agent
Publication Date：2023-12-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 48-54 )