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Blast resistance of tuff stone masonry walls
https://orcid.org/0000-0002-1374-0732
Highlights Investigation on blast resistance of tuff stone masonry walls. Dynamic analysis under triangular pressure time-histories. Derivation of pressure–impulse diagrams for design and assessment. Sensitivity to modelling options, vertical pre-compression and aspect ratio. Comparison with analytical methods, code pressures and real pressures of incidents.
Abstract Gas explosions frequently occur in residential buildings inducing the out-of-plane collapse of single structural components which may trigger the progressive collapse of the structure. In this study, the out-of-plane collapse capacity of load-bearing tuff stone masonry (TSM) walls subjected to blast loading is investigated. A finite element macro-modelling strategy was adopted and dynamic analysis was carried out through LS-DYNA software to derive pressure–impulse diagrams for blast resistant design and assessment. Different modelling assumptions were considered. A sensitivity analysis allowed the evaluation of the influence of vertical pre-compression level and aspect ratio of TSM walls on blast collapse capacity. Numerical predictions of blast capacity were then compared to those provided by simplified analytical models, design code pressures and peak pressures estimated after real incidents.
Blast resistance of tuff stone masonry walls
https://orcid.org/0000-0002-1374-0732
Highlights Investigation on blast resistance of tuff stone masonry walls. Dynamic analysis under triangular pressure time-histories. Derivation of pressure–impulse diagrams for design and assessment. Sensitivity to modelling options, vertical pre-compression and aspect ratio. Comparison with analytical methods, code pressures and real pressures of incidents.
Abstract Gas explosions frequently occur in residential buildings inducing the out-of-plane collapse of single structural components which may trigger the progressive collapse of the structure. In this study, the out-of-plane collapse capacity of load-bearing tuff stone masonry (TSM) walls subjected to blast loading is investigated. A finite element macro-modelling strategy was adopted and dynamic analysis was carried out through LS-DYNA software to derive pressure–impulse diagrams for blast resistant design and assessment. Different modelling assumptions were considered. A sensitivity analysis allowed the evaluation of the influence of vertical pre-compression level and aspect ratio of TSM walls on blast collapse capacity. Numerical predictions of blast capacity were then compared to those provided by simplified analytical models, design code pressures and peak pressures estimated after real incidents.
Blast resistance of tuff stone masonry walls
https://orcid.org/0000-0002-1374-0732
Highlights Investigation on blast resistance of tuff stone masonry walls. Dynamic analysis under triangular pressure time-histories. Derivation of pressure–impulse diagrams for design and assessment. Sensitivity to modelling options, vertical pre-compression and aspect ratio. Comparison with analytical methods, code pressures and real pressures of incidents.
Abstract Gas explosions frequently occur in residential buildings inducing the out-of-plane collapse of single structural components which may trigger the progressive collapse of the structure. In this study, the out-of-plane collapse capacity of load-bearing tuff stone masonry (TSM) walls subjected to blast loading is investigated. A finite element macro-modelling strategy was adopted and dynamic analysis was carried out through LS-DYNA software to derive pressure–impulse diagrams for blast resistant design and assessment. Different modelling assumptions were considered. A sensitivity analysis allowed the evaluation of the influence of vertical pre-compression level and aspect ratio of TSM walls on blast collapse capacity. Numerical predictions of blast capacity were then compared to those provided by simplified analytical models, design code pressures and peak pressures estimated after real incidents.
Blast resistance of tuff stone masonry walls
Parisi, Fulvio (Autor:in) / Balestrieri, Claudio (Autor:in) / Asprone, Domenico (Autor:in)
Engineering Structures ; 113 ; 233-244
28.01.2016
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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