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    Predictions for the Multiscale Elastic Performance of Solid Waste Aggregate Concrete

    Source: Journal of Materials in Civil Engineering:;2025:;Volume ( 037 ):;issue: 002::page 04024529-1
    Author:
    Chao Li
    ,
    Mei Zhou
    ,
    Yang Li
    ,
    Kai Zhang
    ,
    Yanfu Yu
    ,
    Yue Liao
    ,
    Lei Peng
    DOI: 10.1061/JMCEE7.MTENG-18661
    Publisher: American Society of Civil Engineers
    Abstract: To investigate the elastic properties of bulk solid waste aggregates and their impact on the elastic performance of mixed concrete, mechanical tests were conducted on 32 types of natural and solid waste aggregates, along with their corresponding mixed concretes and internal mortars. These tests were complemented with X-ray diffraction (XRD), scanning electron microscope (SEM), mercury intrusion porosimetry (MIP) analyses, microhardness assessments, and a discrete-element simulation. The results show that the elastic modulus of coarse aggregates significantly influences the overall elastic modulus of concrete, more so than that of the mortar and interfacial transition zones. The secant modulus, derived from the standard aggregate crushing value test, substantially reflects the actual elastic properties of the bulk aggregates within concrete, thus enabling rapid predictions of multiscale elastic performance of concrete. Furthermore, incorporating a water influence coefficient into the predictive model not only enhances prediction accuracy but also aids in identifying aggregates prone to softening within the concrete.
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      Predictions for the Multiscale Elastic Performance of Solid Waste Aggregate Concrete

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4303746
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    contributor authorChao Li
    contributor authorMei Zhou
    contributor authorYang Li
    contributor authorKai Zhang
    contributor authorYanfu Yu
    contributor authorYue Liao
    contributor authorLei Peng
    date accessioned2025-04-20T09:58:04Z
    date available2025-04-20T09:58:04Z
    date copyright12/11/2024 12:00:00 AM
    date issued2025
    identifier otherJMCEE7.MTENG-18661.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4303746
    description abstractTo investigate the elastic properties of bulk solid waste aggregates and their impact on the elastic performance of mixed concrete, mechanical tests were conducted on 32 types of natural and solid waste aggregates, along with their corresponding mixed concretes and internal mortars. These tests were complemented with X-ray diffraction (XRD), scanning electron microscope (SEM), mercury intrusion porosimetry (MIP) analyses, microhardness assessments, and a discrete-element simulation. The results show that the elastic modulus of coarse aggregates significantly influences the overall elastic modulus of concrete, more so than that of the mortar and interfacial transition zones. The secant modulus, derived from the standard aggregate crushing value test, substantially reflects the actual elastic properties of the bulk aggregates within concrete, thus enabling rapid predictions of multiscale elastic performance of concrete. Furthermore, incorporating a water influence coefficient into the predictive model not only enhances prediction accuracy but also aids in identifying aggregates prone to softening within the concrete.
    publisherAmerican Society of Civil Engineers
    titlePredictions for the Multiscale Elastic Performance of Solid Waste Aggregate Concrete
    typeJournal Article
    journal volume37
    journal issue2
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/JMCEE7.MTENG-18661
    journal fristpage04024529-1
    journal lastpage04024529-18
    page18
    treeJournal of Materials in Civil Engineering:;2025:;Volume ( 037 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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