Research Article
May 1973
Low Velocity Penetration of Kaolin Clay
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VIEW THE REPLYPublication: Journal of the Soil Mechanics and Foundations Division
Volume 99, Issue 5
Abstract
Penetration of rigid projectiles into compacted kaolin clay targets with carefully controlled properties is investigated. An examination of the experimental techniques for measuring the soil resistance to a penetrating projectile is presented. Procedures for construction of targets and determination of soil properties is described. Projectile diameter is varied from 1.5 to 3 in. (40 to 75 mm) and projectile weight is varied from 3 to 115 lbf (10 to 510 N). Six different nose shapes are tested. Impact velocity is varied from 30 to 300 fps (9.0 to 90 m/s). The effect of projectile and soil properties on the deceleration history of the projectile is demonstrated. Test results indicate that a critical velocity exists above which separation of the soil occurs during penetration. The critical velocity is a function of both soil and projectile properties.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 99 • Issue 5 • May 1973
Pages: 375 - 389
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: May 1973
Published online: Feb 12, 2021
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Authors
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James D. Murff, AM.ASCE
Sr. Research Engr., Esso Production Research Co., Houston, Tex.; formerly Research Assoc., Texas A&M Univ., College Station, Tex.
Harry M. Coyle, M.ASCE
Assoc. Prof. of Civ. Engrg., Texas A&M Univ., College Station, Tex.
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