| 石英砂岩骨料碱活性抑制试验研究 |
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| 引用本文： | 叶新,董海英. 石英砂岩骨料碱活性抑制试验研究[J]. 广东水利水电, 2015, 0(9): 26-28 |
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| 作者姓名： | 叶新 董海英 |
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| 作者单位： | 中国电建集团昆明勘测设计研究院有限公司,云南 昆明 650033,中国电建集团昆明勘测设计研究院有限公司,云南 昆明 650033 |
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| 摘 要： | 在某水电工程对混凝土骨料料源的选择阶段,初步选定的1#料场石英砂岩骨料被鉴定为具有潜在危害性的碱-硅酸反应(ASR)活性的可疑骨料。通过抑制骨料碱活性效能试验表明,采用低碱水泥取代高碱水泥,或掺一定比例掺合料于高碱水泥中,对骨料的ASR反应都有一定的抑制效果[1],并对几种方法的抑制效果进行了对比分析。研究成果可为其他类似工程提供参考。
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| 关 键 词： | 石英砂岩骨料 粉煤灰 双掺料 碱活性 抑制 |
| 收稿时间： | 2015-07-04 |
| 修稿时间： | 2015-07-04 |
Alkali Activity Inhibition Test of Quartz Sandstone Aggregate |
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| YE Xin and DONG Haiying. Alkali Activity Inhibition Test of Quartz Sandstone Aggregate[J]. Guangdong Water Resources and Hydropower, 2015, 0(9): 26-28 |
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| Authors: | YE Xin and DONG Haiying |
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| Affiliation: | Kunming Engineering Corporation Limited, Kunming 650033, China and Kunming Engineering Corporation Limited, Kunming 650033, China |
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| Abstract: | At the stage of selecting a hydropower project''s concrete aggregate material sources, 1# quartz sandstone aggregate preliminary selected is identified as potentially hazardous alkali-silica reaction (ASR) activity aggregates. With the result of an aggregate alkali activity inhibiting test showing, replacing high alkali cement with low alkali cement, or adding a certain proportion admixtures in high alkali cement, all these have certain inhibitory effect to the ASR of aggregate. And comparison analysis of several kinds of inhibition test has been done, which the results can provide reference for other similar projects. |
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| Keywords: | quartz aggregate fly ash double admixture alkali activity inhibit |
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