多因素对聚合物水泥基功能梯度混凝土电通量的影响
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摘要
针对功能梯度混凝土在地下工程中的应用问题,研究了多因素(水胶比、粉煤灰、硅粉、聚丙烯酸酯乳液)作用对聚合物水泥基混凝土电通量的影响,确定了各因素对其电通量变化的影响程度,并加以定量化表征;建立了电通量关于各因素的偏最小二乘二次多项式回归分析模型。结果表明:各因素对电通量的影响程度为水胶比>聚丙烯酸酯乳液>硅粉>粉煤灰;当水胶比、粉煤灰、硅粉、聚丙烯酸酯乳液分别为0. 22、25%、5%、6%时,电通量最小值为331. 5 C。
In order to study the application of functionally gradient concrete in underground engineering,the influence of multiple factors( such as water binder ratio,fly ash,silica powder and polyacrylate emulsion) on the electric flux of polymer cement-based concrete( PCC) is studied,and the influence degrees of each factor on the electric flux of PCC are determined,and the quantitative characterization is made. A partial least squares quadratic polynomial regression analysis model is constructed. The results show that the influence of each factor on the electric flux of PCC is water binder ratio>polyacrylate emulsion>silica powder>fly ash; When water binder ratio,fly ash,silica powder,and polyacrylate emulsion is 0. 22,25%,5% and 6%,respectively,the electric flux of PCC has the optimal value of 331. 5 C.
In order to study the application of functionally gradient concrete in underground engineering,the influence of multiple factors( such as water binder ratio,fly ash,silica powder and polyacrylate emulsion) on the electric flux of polymer cement-based concrete( PCC) is studied,and the influence degrees of each factor on the electric flux of PCC are determined,and the quantitative characterization is made. A partial least squares quadratic polynomial regression analysis model is constructed. The results show that the influence of each factor on the electric flux of PCC is water binder ratio>polyacrylate emulsion>silica powder>fly ash; When water binder ratio,fly ash,silica powder,and polyacrylate emulsion is 0. 22,25%,5% and 6%,respectively,the electric flux of PCC has the optimal value of 331. 5 C.
引文
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[15]中华人民共和国住房和城乡建设部,中华人民共和国国家质量监督检验检疫总局.普通混凝土长期性能和耐久性能试验方法标准:GB/T 50082-2009[S].北京:中国建筑工业出版社,2010.
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[17]唐启义.DPS数据处理系统——实验设计、统计分析及数据挖掘[M].2版,北京:科学出版社,2010.
[18]唐启义,唐洁.偏最小二乘回归分析在均匀设计试验建模分析中的应用[J].数理统计与管理,2005,25(5):45-49.Tang Qiyi,Dang Jie.Application of partial least-squares regressive on modeling analysis of uniform design experiment[J].Journal of Applied Statistics and Management,2005,25(5):45-49.(in Chinese)
[19]Kumar S,Dry P.Effects of different mulches and irrigation methods on root growth,nutrient uptake,water-use efficiency and yield of strawberry[J].Scientia Horticulturae,2011,127(3):318-324.
[2]杨久俊,贾晓林,谭伟,等.水泥基梯度复合材料物理力学性能的初步研究[J].新型建筑材料,2001(11):1-3.Yang Jiuling,Jia Xiaolin,Tan Wei,et al.The preliminary research of mechanical properties of cement-base gradient compound functional material[J].New Building Materials,2001(11):1-3.
[3]Yang Jiujun,Hai Ran,Dong Yanling et al.Effect of the component and fiber gradient distributions on the strength of cement-based composite materials[J].Journal of Wuhan University of Technology,2003,18(2):61-64.
[4]王超,刘兆爽,赵文杰.聚合物改性水泥基材料的机理研究进展[J].硅酸盐通报,2017,36(4):1254-1258.Wang Chao,Liu Zhaoshuang,Zhao Wenjie.Research Development on Mechanism of Polymer Modified Cement Based Materials[J].Bulletin of the Chinese Ceramic Society,2017,36(4):1254-1258.
[5]王茹,王培铭.聚合物改性水泥基材料性能和机理研究进展[J].材料导报,2007,21(1):93-96.Wang Rou,Wang Peiming.Research development of the properties and mechanism of polymer-modified cementitious materials[J].Materials Review,2007,21(1):93-96.
[6]高丽花.聚合物对水泥基复合材料性能影响的研究[D].唐山:河北理工大学,2005.
[7]李蓓,田野,赵若轶,等.聚丙烯酸酯乳液改性砂浆微观结构与改性机理[J].浙江大学学报(工学版),2014,48(8):1345-1352.Li Bei,Tian Ye,Zhao Ruoyi,et al.Microstructure and modification mechanism of polyacrylate latex modified mortars[J].Journal of Zhejiang University(Engineering Science),2014,48(8):1345-1352.
[8]马保国,高英力,王信刚,等.无细观界面过渡区水泥基材料的设计及其性能[J].硅酸盐学报,2007,35(7):886-892.Ma Baoguo,Gao Yingli,Wang Xin’gang,et al.Design and Properties of Meso-defect Interfacial Transition Zone-free Cement-based Material[J].Journal of the Chinese Ceramic Society,2007,35(7):886-892.
[9]中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.通用硅酸盐水泥:GB 175-2007[S].北京:中国标准出版社,2007-11-09.
[10]中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.用于水泥和混凝土中的粉煤灰:B/T 1596-2005[S].北京:中国标准出版社,2005-01-19.
[11]朱勇华,邰淑彩,孙韫玉.应用数理统计[M].武汉:武汉水利电力大学出版社,1999.
[12]国家质量技术监督局.水泥胶砂强度检验方法(ISO法):GB/T 17671-1999[S].北京:中国标准出版社,1999-02-08.
[13]中国水利水电科学研究院.聚合物改性水泥砂浆试验规程:DL/T 5126-2001[S].北京:电力工业部,2001.
[14]中国寰球化学工程公司.聚合物水泥砂浆防腐蚀工程技术规程:CECS 18-2000[S].北京:中国工程建设标准化协会,2000-12-01.
[15]中华人民共和国住房和城乡建设部,中华人民共和国国家质量监督检验检疫总局.普通混凝土长期性能和耐久性能试验方法标准:GB/T 50082-2009[S].北京:中国建筑工业出版社,2010.
[16]水中和,魏小胜,王栋民.现代混凝土科学技术[M].北京:科学出版社,2014:113-114.
[17]唐启义.DPS数据处理系统——实验设计、统计分析及数据挖掘[M].2版,北京:科学出版社,2010.
[18]唐启义,唐洁.偏最小二乘回归分析在均匀设计试验建模分析中的应用[J].数理统计与管理,2005,25(5):45-49.Tang Qiyi,Dang Jie.Application of partial least-squares regressive on modeling analysis of uniform design experiment[J].Journal of Applied Statistics and Management,2005,25(5):45-49.(in Chinese)
[19]Kumar S,Dry P.Effects of different mulches and irrigation methods on root growth,nutrient uptake,water-use efficiency and yield of strawberry[J].Scientia Horticulturae,2011,127(3):318-324.