Environmental Earth Sciences

, Volume 60, Issue 8, pp 1701–1709 | Cite as

Shear strength and compressibility of oyster shell–sand mixtures

Original Article
First Online:
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Abstract

This paper investigates the fundamental characteristics of shear strength and deformation of crushed oyster shell–sand mixtures to stimulate recycling of waste oyster shells. Standard penetration tests (SPT) and large-scale direct-shear tests were carried out with different kinds of dry unit weight and mixing rate of oyster shell–sand mixture. Correlations between N-value, dry unit weight, and friction angle of mixtures were observed from the results of experimental tests, making it possible to estimate the in situ strength from SPT, and the coefficient of volume compressibility from the confined direct-shear compression test. These results also make it possible to compute the settlement of oyster shell–sand mixture when used in soft ground improvement.

Keywords

Oyster shell Oyster shell–sand mixture Settlement Waste material Standard penetration test Direct shear test 
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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.Coastal Harbor Engineering LaboratoryKorea Ocean Research and Development InstituteAnsanKorea
  2. 2.Department of Civil and Environmental EngineeringInha UniversityInchonKorea
  3. 3.Research InstituteGS Engineering & Construction Co.SeoulKorea

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