A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Laboratory Verification of Blast-Induced Liquefaction Mechanism
A mechanism for blast-induced liquefaction was tested in a series of high pressure undrained, isotropic compression tests on saturated samples of Eniwetok beach sand and Ottawa sand. Theory, based on inelastic volume compressibility of sand, was shown to be valid for the case of quasi-static, isotropic loading. Specimens of Eniwetok sand subjected to an initial effective stress of 1 MPa were liquefied by a single cycle of loading of 34 MPa. Specimens of Ottawa sand, tested in the same manner, generated excess pore pressure but not enough to completely liquefy the soil. The errors introduced by flexibility of the testing systems were analyzed and found to be insignificant. Suggestions for future research were made. (Author)
Laboratory Verification of Blast-Induced Liquefaction Mechanism
A mechanism for blast-induced liquefaction was tested in a series of high pressure undrained, isotropic compression tests on saturated samples of Eniwetok beach sand and Ottawa sand. Theory, based on inelastic volume compressibility of sand, was shown to be valid for the case of quasi-static, isotropic loading. Specimens of Eniwetok sand subjected to an initial effective stress of 1 MPa were liquefied by a single cycle of loading of 34 MPa. Specimens of Ottawa sand, tested in the same manner, generated excess pore pressure but not enough to completely liquefy the soil. The errors introduced by flexibility of the testing systems were analyzed and found to be insignificant. Suggestions for future research were made. (Author)
Laboratory Verification of Blast-Induced Liquefaction Mechanism
R. J. Fragaszy (author) / M. E. Voss (author)
1981
59 pages
Report
No indication
English
Soil & Rock Mechanics , Detonations, Explosion Effects, & Ballistics , Sand , Soil dynamics , Blast , Laboratory tests , Cratering , Soil mechanics , Fluid mechanics , High pressure , Compressive properties , Pore pressure , Saturation , Volume , Conversion , Bulk modulus , Static loads , Blast loads , Isotropism , Stresses , Earth movement , Eniwetok Atoll , Induced environments , Nuclear explosion simulation , Liquefaction , Ottawa sand
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