| 宁德地区镍渣及其复掺砂的碱活性研究 |
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| 引用本文： | 吴世兴. 宁德地区镍渣及其复掺砂的碱活性研究[J]. 福建建设科技, 2016, 0(1). DOI: 10.3969/j.issn.1006-3943.2016.01.007 |
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| 作者姓名： | 吴世兴 |
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| 作者单位： | 福建建工集团总公司 福建福州 350001 |
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| 摘 要： | 本文通过岩相法和快速碱-骨料反应法研究了镍渣及其复掺砂的碱活性。研究表明镍渣具有潜在碱-骨料反应危害,不宜单独用作混凝土骨料。通过复掺标准砂可以降低碱-骨料反应危害,实验表明当标准砂掺量不低于50%时,复掺砂不存在碱-骨料反应危害。
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| 关 键 词： | 镍渣 复掺砂 岩相法 碱-骨料反应 |
Study on alkali reaction of nickel slag and nickel slag-sand mixtures in Ningde region |
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| Abstract: | The article discussed the alkali reaction of nickel slag and aggregate mixed with natural sand through petrographic method and al -kali-aggregate reaction .The results showed that the nickel slag could not be used as aggregate in concrete because of its potential alkali -aggregate damage .The research also showed that the potential alkali -aggregate damage could be reduced by mixing natural sand , and there was no alkali-aggregate harm to the aggregate when the natural sand content was not less than 50%. |
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| Keywords: | nickel slag nickel slag-sand mixtures petrographic method alkali-aggregate reaction |
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