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三峡天然集料碱性膨胀反映专题研究会议,从2月11日到15日在武汉召开,参加会议的有各高等院校和科研单位近30名代表。会议中听取了7个专题报告,交流了国外有关文献资料15篇。在专题研究中,北京水电研究院等单位,采用化学分析方法进行活性鉴定,初步证明加工后的三峡风化砂属于非活性,或者是属于非活性但须进一步试验的材料,即不会产生碱性膨胀。南京化工学院除了用化学分析外,还进行了矿物差热分析,也得出了同样的结论。上海同济大学从
The Three Gorges Natural Aggregate Alkaline Expansion Reflects the Symposium on Research, Held from February 11 to 15 in Wuhan. Nearly 30 delegates from universities and research institutes attended the conference. During the meeting, seven special reports were heard and 15 relevant documents were exchanged. In the special study, Beijing Hydropower Research Institute and other units, the use of chemical analysis methods for the activity of the initial proof of the Three Gorges process weathered sand is inactive, or is inactive but subject to further testing of the material, that does not produce alkaline Expansion. Nanjing University of Chemical Technology in addition to chemical analysis, but also conducted a mineral differential thermal analysis, also reached the same conclusion. Shanghai Tongji University from