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    Analysis and Design of One-Way Steel-Plate Composite Walls for Far-Field Blast Effects

    Source: Journal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 001::page 04020288
    Author:
    Jakob C. Bruhl
    ,
    Amit H. Varma
    DOI: 10.1061/(ASCE)ST.1943-541X.0002868
    Publisher: ASCE
    Abstract: This paper presents the development of normalized total force-total impulse (P-I) diagrams for analyzing and designing steel-plate composite (SC) walls to resist far-field blast loads. The P-I diagrams depict contours of constant damage states created using a single-degree-of-freedom (SDOF) model for one-way SC wall panels subjected to uniform pressure loading resulting from far-field blasts. The resistance function for uniform pressure loading was developed using a novel (hybrid experimental-numerical) approach that eliminated the need for specialized testing and loading equipment. The hybrid approach consisted of (1) conducting four-point bending tests, (2) developing and benchmarking three-dimensional (3D) finite-element (FE) models for the tests, (3) using the benchmarked FE models to conduct numerical simulations for uniform pressure loading, and (4) idealizing the resistance function for uniform pressure using a bilinear relationship. The SDOF model and idealized resistance functions were further benchmarked using results from shock-tube tests conducted on SC wall panels. The benchmarked SDOF model was used to conduct parametric analyses leading to the development of ductility-dependent total pressure-total impulse (P-I) diagrams. These P-I diagrams were validated using the experimental results from blast tests and additional results generated using the benchmarked FE models. The P-I diagrams, along with the ductility-dependent damage states, are recommended for the design of SC wall panels subjected to far-field blast loading.
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      Analysis and Design of One-Way Steel-Plate Composite Walls for Far-Field Blast Effects

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4269550
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    contributor authorJakob C. Bruhl
    contributor authorAmit H. Varma
    date accessioned2022-01-30T22:45:45Z
    date available2022-01-30T22:45:45Z
    date issued1/1/2021
    identifier other(ASCE)ST.1943-541X.0002868.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4269550
    description abstractThis paper presents the development of normalized total force-total impulse (P-I) diagrams for analyzing and designing steel-plate composite (SC) walls to resist far-field blast loads. The P-I diagrams depict contours of constant damage states created using a single-degree-of-freedom (SDOF) model for one-way SC wall panels subjected to uniform pressure loading resulting from far-field blasts. The resistance function for uniform pressure loading was developed using a novel (hybrid experimental-numerical) approach that eliminated the need for specialized testing and loading equipment. The hybrid approach consisted of (1) conducting four-point bending tests, (2) developing and benchmarking three-dimensional (3D) finite-element (FE) models for the tests, (3) using the benchmarked FE models to conduct numerical simulations for uniform pressure loading, and (4) idealizing the resistance function for uniform pressure using a bilinear relationship. The SDOF model and idealized resistance functions were further benchmarked using results from shock-tube tests conducted on SC wall panels. The benchmarked SDOF model was used to conduct parametric analyses leading to the development of ductility-dependent total pressure-total impulse (P-I) diagrams. These P-I diagrams were validated using the experimental results from blast tests and additional results generated using the benchmarked FE models. The P-I diagrams, along with the ductility-dependent damage states, are recommended for the design of SC wall panels subjected to far-field blast loading.
    publisherASCE
    titleAnalysis and Design of One-Way Steel-Plate Composite Walls for Far-Field Blast Effects
    typeJournal Paper
    journal volume147
    journal issue1
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0002868
    journal fristpage04020288
    journal lastpage04020288-13
    page13
    treeJournal of Structural Engineering:;2021:;Volume ( 147 ):;issue: 001
    contenttypeFulltext
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