Effects of Sawdust on Geotechnical Properties of Clayey Soils

مهندسی عمران فردوسی

Article 2, Volume 32, Issue 1 - Serial Number 25, April 2019, Pages 19-34   

Document Type: پژوهشی

DOI: 10.22067/civil.v32i1.72202

Authors

Roozbeh Tadayyon; Rouzbeh Dabiri^*

Tabriz Branch-Islamic Azad Unibersity

Abstract

In this research, effects of pine tree sawdust on geotechnical properties of two types of kaolinite clayey soil was evaluated. So that, sawdust in 3, 6 and 9 percent (by weight) in dry condition randomly mixed with two kaolinite clayey soil with different plasticity index. Compaction, uniaxial, permeability (falling head) and consolidation tests were performed on specimen. Results showed while 3% sawdust mixed to samples, 24% minimum void ratio (emin) decreased in kaolinite clay with high plasticity index. Also, in this condition, increasing of bearing capacity and strength, ductility and decreasing in water absorbing have been happened.

Keywords

Clayey soil; Sawdust; Geotechnical behavior; Shear strength; Consolidation; permeability

Supplementary Files

2- tadayon - Revised.pdf

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