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    Nanoparticle Reinforced Polymer for Blast Protection of Unreinforced Masonry Wall: Laboratory Blast Load Simulation and Design Models

    Source: Journal of Structural Engineering:;2011:;Volume ( 137 ):;issue: 010
    Author:
    M. Irshidat
    ,
    A. Al-Ostaz
    ,
    A. H.-D. Cheng
    ,
    C. Mullen
    DOI: 10.1061/(ASCE)ST.1943-541X.0000361
    Publisher: American Society of Civil Engineers
    Abstract: This paper investigates the performance of a new generation of nanoparticle-reinforced polymeric materials as an alternative to fiber-reinforced polymer for the protection of masonry structures against blast loads. The nanoparticles used in this study include exfoliated graphene nano platelets (XGnP) and polyhedral oligomeric silsesquioxane (POSS). The polymer is polyurea. A one-quarter scale physical model of unreinforced masonry walls, spray coated with the nanoparticle-reinforced polymers, are subjected to blast load in the Engineer Research and Development Center Blast Load Simulator facility. POSS-reinforced polyurea is observed to significantly enhance the performance of masonry walls sustaining blast loads, whereas XGnP reinforcement has only marginal improvement. To build a numerical simulation and engineering design capability, computer models using ANSYS AUTODYN and simplified analytical models are constructed. These models fairly accurately predict the observed laboratory tests.
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      Nanoparticle Reinforced Polymer for Blast Protection of Unreinforced Masonry Wall: Laboratory Blast Load Simulation and Design Models

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/68262
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    • Journal of Structural Engineering

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    contributor authorM. Irshidat
    contributor authorA. Al-Ostaz
    contributor authorA. H.-D. Cheng
    contributor authorC. Mullen
    date accessioned2017-05-08T21:59:25Z
    date available2017-05-08T21:59:25Z
    date copyrightOctober 2011
    date issued2011
    identifier other%28asce%29st%2E1943-541x%2E0000402.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/68262
    description abstractThis paper investigates the performance of a new generation of nanoparticle-reinforced polymeric materials as an alternative to fiber-reinforced polymer for the protection of masonry structures against blast loads. The nanoparticles used in this study include exfoliated graphene nano platelets (XGnP) and polyhedral oligomeric silsesquioxane (POSS). The polymer is polyurea. A one-quarter scale physical model of unreinforced masonry walls, spray coated with the nanoparticle-reinforced polymers, are subjected to blast load in the Engineer Research and Development Center Blast Load Simulator facility. POSS-reinforced polyurea is observed to significantly enhance the performance of masonry walls sustaining blast loads, whereas XGnP reinforcement has only marginal improvement. To build a numerical simulation and engineering design capability, computer models using ANSYS AUTODYN and simplified analytical models are constructed. These models fairly accurately predict the observed laboratory tests.
    publisherAmerican Society of Civil Engineers
    titleNanoparticle Reinforced Polymer for Blast Protection of Unreinforced Masonry Wall: Laboratory Blast Load Simulation and Design Models
    typeJournal Paper
    journal volume137
    journal issue10
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0000361
    treeJournal of Structural Engineering:;2011:;Volume ( 137 ):;issue: 010
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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