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Shear Strength of Rock Quarry Dust and Sand Mix

  • Natasha KakatiEmail author
  • Malaya Chetia
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 61)

Abstract

Soil shear strength is an important parameter to study for civil engineering applications. The soil beneath any geotechnical structure describes the safe shear strength of it. The investigation of strength parameter of rock quarry residues will help in alleviating issues identified with the gathering of undesirable material and in the meantime to boost asset use and productivity. It is found that if other replacement of river sand is not found, then entire manufacturing industry will be hampered. Hence, shear parameters of rock dust have been measured as it is the maximum capacity that a soil can mobilize in order to withstand, without failure, any applied stress along a plane. It is important because we need to understand failure and design structures for safe and satisfactory performance. Hence shear parameters of rock quarry dust and sand mix are found out at different dry unit weight of the sample by direct shear test. The quarry dust and sand mix were taken with different dry unit weights like 12.17 kN/m3, 16.71 kN/m3, and 19.62 kN/m3 at different strain rates of 0.25 mm/min, 0.625 mm/min, and 1.25 mm/min, respectively. The internal friction angles were found to increase as the strain rate increases. Again the notice has been made on the increase of internal friction angle as the dry unit weight of the sample increases.

Keywords

Rock quarry dust Sand Shear strength Strain rate Angle of internal friction Dry unit weight 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Department of Civil EngineeringNational Institute of Technology MeghalayaShilongIndia
  2. 2.Department of Civil EngineeringAssam Engineering CollegeGuwahatiIndia

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