Experimental Investigation on Aerated Concrete with Addition of Lead-Zinc Tailings
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摘要: 用铅锌尾矿生产加气混凝土.分析了水料质量比、浇注温度和铝粉膏的掺量对加气混凝土发气的影响,以及铅锌尾矿、水泥和调节剂对加气混凝土强度的影响.确定了优化的工艺方案和配方.按优化的工艺和配方制备的加气凝土的抗压强度和抗冻性达到了B06级合格品要求,导热系数、干燥收缩值和放射性满足国家标准要求.Abstract: Lead-zinc tailings were used to produce aerated concrete.The effects of water-binder ratio,casting temperature and aluminum powder content on the gas forming behavior,and those of lead-zinc tailing content,cement content and conditioning agents on the compressive strength of the aerated concrete were investigated.Optimal raw material formulation and procedure were determined for the aerated concrete.The compressive strength and frost resistance of the aerated concrete made by the optimal raw material formulation and procedure conform with the requirements of aerated concretes of B06 grade,and thermal conductivity,drying shrinkage and radioactivity conform with the relevant national standards of China.
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Key words:
- lead-zinc tailing /
- aerated concrete /
- gas-forming
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向武.尾矿综合利用途径及其意义[J].矿产保护与利用,1998(5):42-44.XIANC Wu.The new way to the comprehensive utilization of mine tailings and its significance[J].Conservation and Utlization of Minera Resources,1998 (5):42-44,[2] 郭建平,吴甫成,谢淑容.湖南临湘铅锌矿尾矿库环境状况及开发利用研究[J].土壤通报,2007,38(3):553-557.GUO Jianping,WU Fueheng,XIE Shurong.Environmental conditions and exploitation of Lead-Zinc tailings in Linxiang county,Hunan province[J].Chinese Journal of Soil Science,2007,38 (3):53-557.[3] 黄山,丁上恒.利用银山矿尾砂生产加气混凝土制品的探讨[J].铜业工程,2000(3):72-75.HUANG Shah,DING Shangheng.Investigation of producing aero-eoncrete product with yinshan milltailings[J].Copper Engineering,2000(3):2-75.[4] HAUSER A,EGGENBERGER U.Fly ash from cellulose industry as secondary raw material in autoclaved aerated concrete[J].Cement and Concrete Researeh,1999,29(3):297-302.[5] TORSTEN S.New insights regarding sound protection with autoclaved aerated concrete[J].Concrete Preeasting Plant and Technology,2004,70(2):136-137.[6] 中国新型建筑材料公司常州建筑材料研究设计所、中国加气混凝土协会.GB 11968-2006蒸压加气混凝土砌块[S].北京:中国标准出版社,2006.[7] 陈友治,李方贤,徐兵波,等.含泥硅质石屑.石灰加气混凝土试验研究[J].武汉理工大学学报,2005,27(3):27-29.CHEN Youzhi,LI Fangxian,XU bingbo,et al.Experimental study of silty siliceous crushed stone-lime aerated concrete[J].Journal of Wuhan University of Technology,2005,27(3):27-29.[8] BERERKA J,TAYLOR A.Use granite dust for making aerated concrete and ceramics[J].Key Engineering Materials,1991,53(3):512-517.[9] 吴正直.粉煤灰房建材料的开发与应用[M].北京:中国建材工业出版社,2003:212-215.[10] 彭小芹,黄佳木,丁星,等.蒸压硅酸盐混凝土水化产物的分析及其与性能的定量关系[J].硅酸盐学报,2002,30(6):800-802.PENG Xiaoqin,HUANG Jiamu,DING Xing,et al.Analysis of hydrates of autoclaved silicated concrete and the qualitative relations of the hydrates and properties of concrete[J].Journal of the Chinese Ceramic Society,2002,30(6):800-802.[11] CHEN Y Z,LI F X.Use of clayish crushed stone for production of aerated concrete[J].Key Engineering Materials,2006,30(6):269-274.[12] 马保国,钟开红,蹇守卫,等.水化产物对粉煤灰加气混凝土强度的影响[J].新型墙体材料,2004(5):28-30.MA Baoguo,ZHONG Kaihong,JIAN Shouwei,et al.Hydration products affected the strength of fly ash aerated concrete[J].Walling Material Innovation and Energy Conservation of Buildings,2004(5):28-30.[13] 中国建筑材料工业协会.GB 6566-2001室内装饰装修材料建筑材料放射性核素限量[S].北京:中国标准出版社,2002.
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