Publication Abstract




Proceedings of the Deep Mixing 2015 Conference, (DFI)

Study on a Method for Determining the Proper Cover Soil Depth for Cement Ground Improvement in Cold Region
Masahiko Yamaki, Civil Engineering Research Institute for Cold Region, Japan; Takahiro Yamanashi, Civil Engineering Research Institute for Cold Region, Japan; Hijiri Hashimoto, Civil Engineering Research Institute for Cold Region, Japan; Hirochika Hayashi, Civil Engineering Research Institute for Cold Region, Japan

In this study, the authors used heat conduction analysis with the aim of quantitatively evaluating whether treating improved ground with cover soil is an effective measure for maintaining strength development in the surface layer of improved ground after constructing cement treated soil for the winter season. This report describes a simple procedure to evaluate covering soil thickness, which is necessary for the strength of the surface of cement treated soil, by using the freeze index and both the water content ratio and dry density.


 article #2103; publication #1013 (DM-2015)