水工混凝土碱-骨料反应研究综述

doi:10.3969/j.issn.1001-5485.2014.10.009

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raybet体育在线院报 ›› 2014, Vol. 31 ›› Issue (10) : 58-62. DOI: 10.3969/j.issn.1001-5485.2014.10.009

《raybet体育在线院报》创刊30周年专栏

水工混凝土碱-骨料反应研究综述

杨华全^{1, 2}, 李鹏翔^{1, 2}, 陈霞^{1, 2}

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The State-of-art of Alkali Aggregate Reaction of Hydraulic Concrete

YANG Hua-quan^1,2, LI Peng-xiang^1,2, CHEN Xia^1,2

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摘要

自从1940年美国T.E.Stanton首先发现混凝土碱-骨料反应问题以来,碱-骨料反应已成为全球性混凝土工程毁坏的重要原因之一。针对这个问题,已经开展了大量的研究工作。概述了水工混凝土碱－骨料反应的危害和研究的重要性,系统阐述了混凝土碱－骨料反应原理和分类、碱－骨料反应试验方法及创新,以及使用非活性骨料、控制混凝土总碱量、控制湿度、掺入抑制材料和化学外加剂等预防碱－骨料反应的综合措施,提出了碱－骨料反应研究方面有待进一步解决的问题并给出了相关建议。

Abstract

Ever since T.E. Stanton in 1940 first observed and diagnosed the Alkali Aggregate Reactions (AAR) in concrete, Alkali aggregate reaction has become one of the important causes of concrete’s engineering damage. A great deal of researches have been done. Damages caused by AAR of hydraulic concrete and the significance of researches on AAR are reviewed. The principle and classification of AAR, testing methods and their innovation as well as comprehensive prevention measures against AAR are also introduced. These preventive measures include using non-active aggregate, controlling total alkali content in concrete, controlling humidity, adding inhibition materials and chemical additive. Problems that need to be resolved and suggestions regarding AAR researches are proposed.

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杨华全, 李鹏翔, 陈霞. 水工混凝土碱-骨料反应研究综述[J]. raybet体育在线院报. 2014, 31(10): 58-62 https://doi.org/10.3969/j.issn.1001-5485.2014.10.009

YANG Hua-quan, LI Peng-xiang, CHEN Xia. The State-of-art of Alkali Aggregate Reaction of Hydraulic Concrete[J]. Journal of Changjiang River Scientific Research Institute. 2014, 31(10): 58-62 https://doi.org/10.3969/j.issn.1001-5485.2014.10.009

中图分类号： TQ17

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