Abstract
The Yoshinogari Fun-kyu Tomb, located in Saga Prefecture, Japan, was constructed by one construction method similar to 'Han-chiku' method, and this construction method is supposed to be transferred from ancient China. In this research, the authors investigated more than ten earth-filled remains located in the Yellow River Valley, where 'Han-chiku' method were very prosperous two thousands years ago. The characteristics of earth-filled remains and the period of occurrence of earth-remains constructed by the well-developed method of 'Han-chiku' were investigated. The Chengziya remains located in Shandong Province was treated as one typical case of earth-remains constructed by the well-developed method of 'Han-chiku', and geotechnical investigation were carried out on it. The results of investigation showed that the 'Han-chiku' method could lead to the Yellow Loess obtain very high dry density, and restrain some defects of the Yellow loess when it is used as construction materials. Finally, the authors supposed that the necessity that 'Han-chiku' method used for construction of geotechnical projects by soils occurred in the Yellow River Valley is closely related to the inferior properties of the Yellow Loess distributing in the area.
