Measurement of In situ strength using projectile penetration

Terhune, 1977, Estimation of Earth Media Shear Strength at the Nevada Test Site Caudle, 1977, The feasibility of rapid soil investigation using high-speed earth-penetrating projectiles Rohani, 1972, High Velocity Fragment Penetration of Soil Targets Butler, 1975, An Analytical Study of Projectile Penetration in Rock, 10.21236/ADA012140 McNeill, 1981, Approximate method for estimating the strengths of cohesive materials from penetrator decelerations Young, 1969, Depth prediction for Earth-penetration projectiles, J. Soil Mech. Foundations Div., 95, 803, 10.1061/JSFEAQ.0001285 Robins, 1742 Euler, 1745 Poncelet, 1829 Resal, 1895 Petry, 1910 Bernard, 1978, Depth and Motion Prediction for Earth Penetrators, 10.21236/ADA056701 Kumano, 1982, Projectile impact on soft, porous rock, Rock Mech., 15, 113, 10.1007/BF01238259 Hearst, 1985, A comparison of projectile penetration and a cone penetrometer as methods of measuring tuff strength Hearst, 1987, Measurement of in-situ strength using projectile penetration Heuze, 1980, Scale effects in the determination of rock mass strength and deformability, Rock Mech., 12, 167, 10.1007/BF01251024