Journal of Japan Society of Civil Engineers, Ser. C (Geosphere Engineering)
Online ISSN : 2185-6516
ISSN-L : 2185-6516
Paper (In Japanese)
CONSIDERATION FOR PRODUCTING HIGH STRENGTH SOLIDIFIED SOIL BLOCK BY MIXING CEMENT TO DREDGED MARINE CLAY
Hiroshi SHINSHAAyumu MATSUMOTOKyouhei NAGAOYutaka KOMORI
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2019 Volume 75 Issue 1 Pages 62-75

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Abstract

 The investigation for producting the high strength solidified soils of 10 MN/m2 or more by mixing cement with dredged marine clay has been conducted. According to the results of the mix-proportion tests, in the case of Nagoya port clay, when the water cement ratio was set to 1.2 and the water content was set to 60 to 100%, the strength of 10 MN/m2 or more could be secured. In addition, in a production experiment of solidified soil block, a biaxial forced mixing mixer was used assuming construction on site. The constraint condition for producting a solidified soil block using this mixer was to secure fluidity for pushing out the treated soil from the opening of the mixer. As a result of fixing the water cement ratio to 1.2 and increasing the water content, it was possible to produce a solidified soil block at the water content of about 107% and the strength of core samples taken from the solidified soil block was 10 MN/m2 or more.

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© 2019 by Japan Society of Civil Engineers
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