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RISEffect of Combined Blast and Fragment Loading on RC Wall and Its Mitigation Using Composite Sections
Publisher: ASCE
Abstract: The damages incurred in RC walls subjected to combined loading of blast and fragment as a result of a cased-charge detonation are studied here using the finite-element (FE) analysis method. A series of FE analyses were ...
Numerical Analysis of a Tunnel Subjected to Blast Loads in a Transversely Isotropic Rock Mass
Publisher: American Society of Civil Engineers
Abstract: The present study investigates the stability of a tunnel subjected to blast loads. The tunnel is placed in a transversely isotropic rock mass. Numerical simulations are performed using the discrete-element method. The rock ...
Improved Estimation of the Seismically Induced Active Earth Thrust on a Cantilever Retaining Wall at the Preliminary Design Stage
Publisher: American Society of Civil Engineers
Abstract: Numerical investigation of free-standing cantilever walls subjected to horizontal seismic loads was carried out using nonlinear elastoplastic finite-element approach. The numerical model was validated using centrifuge tests ...
Thermomechanical Analysis and Parametric Study of Geothermal Energy Piles in Sand
Publisher: American Society of Civil Engineers
Abstract: Response of geothermal energy piles in sand under combined thermal and mechanical loading was investigated in the present work using a nonlinear axisymmetric finite-element (FE) analysis procedure. In this study, the piles ...
Thermomechanical Response of Geothermal Energy Pile Groups in Sand
Publisher: American Society of Civil Engineers
Abstract: The thermomechanical response of geothermal energy pile groups in sand was studied in the present work by using a three-dimensional nonlinear finite-element analysis procedure. A raft was considered on the piles. The ...
Determination of High-Strain-Rate Stress–Strain Response of Granite for Blast Analysis of Tunnels
Publisher: American Society of Civil Engineers
Abstract: The present work aims to understand the stress–strain response of an igneous rock, granite, under high loading rate through detailed experimental and numerical analyses. The high-strain-rate characterization of granite ...
Dynamic Response of Two Extrusive Igneous Rocks Using Split Hopkinson Pressure Bar Test
Publisher: ASCE
Abstract: In this paper, the stress-strain response of two extrusive volcanic igneous rocks, e.g., compact basalt (CB) and volcanic breccia (VB), under a high rate of loading is studied experimentally and numerically. The dynamic ...
Nonlinear Elastoplastic Analysis of Plates Coupled with Mechanical Element–Based Isolation System
Publisher: ASCE
Abstract: In general, the response of a system coupled with a vibration absorber is obtained by incorporating only elastic analysis under different loading conditions. However, the elastoplastic analysis is carried out for blast-resistant ...
Parametric Sensitivity Analysis and Uncertainty Quantification for Cast Iron–Lined Tunnels Embedded in Soil and Rock under Internal Blast Loading
Publisher: American Society of Civil Engineers
Nonlinear Settlement of Piled Rafts in Sandy Soil
Publisher: ASCE
Abstract: A hand-calculation method for estimation of nonlinear load–settlement response of piled raft foundations (PRFs) embedded in sandy soils is developed using three-dimensional finite-element (FE) analysis in which the ...