Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)

Korean Geotechnical Society (한국지반공학회)
권호 표지

Compression and Tensile Characteristics of Lightweight Air-Trapped Soil

경량기포토의 압축 및 인장 특성

  • Lee, Young-Jun (Dept. of Civil and Environmental Engineering, Korea Maritime University) ;
  • Hwang, Woong-Ki (Dept. of Civil and Environmental Engineering, Korea Maritime University) ;
  • Yoon, Sung-Kyu (Dept. of Civil and Environmental Engineering, Korea Maritime University) ;
  • Kim, Jong-Sung (Dept. of Civil Engineering, Korea Maritime University) ;
  • Choi, Dae-Kyung (Busan Metropolitan Council Maritime & Urban Affairs Committee) ;
  • Kim, Tae-Hyung (Dept. of Civil and Environmental Engineering, Korea Maritime University)
  • 이영준 (한국해양대학교 토목환경공학과) ;
  • 황웅기 (한국해양대학교 토목환경공학과) ;
  • 윤성규 (한국해양대학교 토목환경공학과) ;
  • 김종성 (한국해양대학교 토목공학과) ;
  • 최대경 (부산광역시의회 해양도시위원회) ;
  • 김태형 (한국해양대학교 토목공학과)
  • Published : 2010.03.25
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Abstract

This study is experimentally investigated for the characteristics of compression and tensile of lightweight air-trapped soils with uniform quality. Previously, EPS blocks are often used as lightweight embankment, but many problems such as the level difference and cracks caused by plastic(creep) deformation occurred in the EPS blocks. So, a new material development is urgent. By means of alternatives, lightweight air-mixed soil using in-situ soils has been developed and applied to fields. In comparison with EPS block, lightweight air-mixed soil have less creep deformation in long-time, but the strength characteristics of them are different depending on soils where they are obtained. Therefore, the quality management of them is very difficult. In this study, therefore, characteristics of lightweight air-trapped soil samples are investigated. To do this, the lightweight air-trapped soils are prepared using a manufactured sand with uniform quality. To found out the compression and tensile characteristics of lightweight air-tapped soils, unconfined compression test and splitting tensile test are conducted on the specimens prepared with different unit weight, cement-sand ratio and air-pore.

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