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首页> 外文会议>Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments >Predicting Durability Characteristics of Concrete with Alkali Activated Binders Using Reliability Analysis
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Predicting Durability Characteristics of Concrete with Alkali Activated Binders Using Reliability Analysis

机译：用可靠性分析预测碱活化粘结剂混凝土的耐久性

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摘要

This study is aimed at development and testing of concrete made using alkali-activated binders (AAB) and cured at ambient temperatures. Standard test specimens are prepared for evaluating compressive strength, flexural strength, and splitting tensile strength. Numerical models of AAB test specimen are developed in ABAQUS and are calibrated using the experimental results. The numerical models are used for reliability analysis of AAB concrete test specimen using Monte Carlo simulations. The performance functions for AAB concrete for failure in compression, flexure, and splitting tension are derived. The results of the reliability analysis elucidate that the trends in the AAB concrete failure are similar to that of Portland cement (PC) concrete failure, with flexural loading being the governing failure mode. These results instigate a further exploration of AAB concrete as a viable alternative of PC concrete.
机译：本研究旨在开发和测试使用碱活化粘合剂（AAB）制成并在环境温度下养护的混凝土。标准试样用于评估抗压强度、弯曲强度和劈裂抗拉强度。在ABAQUS中建立了AAB试样的数值模型，并利用实验结果进行了校准。数值模型用于采用蒙特卡罗模拟的AAB混凝土试样的可靠性分析。推导了AAB混凝土在压缩、弯曲和劈拉破坏时的性能函数。可靠性分析结果表明，AAB混凝土的破坏趋势与硅酸盐水泥（PC）混凝土的破坏趋势相似，弯曲荷载是主要的破坏模式。这些结果促使人们进一步探索AAB混凝土作为PC混凝土的可行替代品。

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