全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
-  2018 

普通硅酸盐水泥(OPC)-铝硫酸盐(CSA)复合水泥砂浆性能的压电信号监测 Study of performance monitoring of modified OPC mortar with CSA cement using piezoelectric sensors

Keywords: 硫铝酸盐水泥,硅酸盐水泥,砂浆,压电信号,监测

Full-Text   Cite this paper   Add to My Lib

Abstract:

将硫铝酸盐(CSA)与普通硅酸盐水泥(OPC)以不同比例配制成复合水泥砂浆,通过压电陶瓷传感器测定复合水泥砂浆在24h龄期内的压电信号能量值变化曲线,研究了这2种水泥复合后的材料物理力学性能和压电信号的变化规律.结果表明,压电信号能量值变化曲线可以反映水泥基材料早期水化行为,并与抗压强度变化曲线密切相关.CSA掺量对复合水泥的性能有很大影响,随着CSA掺量增加,复合水泥砂浆抗压强度呈现出先降低后增大的变化趋势;掺加CSA,复合水泥砂浆的水化速率普遍加快.当CSA掺量从60%增加到90%时,复合水泥砂浆早期抗压强度逐渐增大

References

[1]  Feng Q,Kong Q,Song G.Damage detection of concrete piles subject to typical damage types based on stress wave measurement using embedded smart aggregates transducers[J].Measurement,2016,88:345-352.
[2]  Winnefeld F,Lothenbach B.Hydration of calcium sulfoaluminate cements-experimental findings and thermodynamic modeling[J].Cement&Concrete Research,2010,40(8):1239-1247.
[3]  Pelletier L,Winnefeld F,Lothenbach B.The ternary system Portland cement-calcium sulfoaluminate clinker-anhydrite:Hydration mechanism and mortar properties[J].Cement and Concrete Composites,2010,32(7):497-507.
[4]  García M.Hydration studies of calcium sulfoaluminate cements blended with fly ash[J].Cement&Concrete Research,2013,54:12-20.
[5]  Sao0t G L,Lothenbach B,Hori A,et al.Hydration of Portland cement with additions of calcium sulfoaluminates[J].Cement&Concrete Research,2013,43(1):81-94.
[6]  Ghorpade P A,Ha M G,Choi W H,et al.Combined calcium sulfoaluminate and ordinary portland cement/Fe(II)system for enhanced dechlorination of trichloroethylene[J].Chemical Engineering Journal,2013,231(17):326-333.
[7]  李国卫,廖宜顺,魏小胜,等.PO与RCSA复合水泥砂浆的强度与电阻率研究[J].华中科技大学学报(城市科学版),2009,26(1):47-50.Li Guowei,Liao Yishun,Wei Xiaosheng,et al.Research on strength and electrical resistivity of cement mortars compounded with PO and RCSA[J].Journal of Huazhong University of Science and Technology,2009,26(1):47-50.
[8]  聂光临,孙诗兵,姚晓丹,等.普通硅酸盐水泥与快硬硫铝酸盐水泥复配砂浆性能研究[J].混凝土与水泥制品,2014,(3):10-13.Nie Guanglin,Sun Shibing,Yao Xiaodan,et al.Study on the properties of ordinary portland cement and rapid hardened sulphoaluminate cement compound mortar[J].China Concrete and Cement Products,2014,(3):10-13.
[9]  李林香,谢永江,冯仲伟,等.水泥水化机理及其研究方法[J].混凝土,2011,(6):76-80.Li Linxiang,Xie Yongjiang,Feng Zhongwei,et al.Cement hydration mechanism and research methods[J].Concrete,2011,(6):76-80.
[10]  魏小胜,肖莲珍,李宗津.采用电阻率法研究水泥水化过程[J].硅酸盐学报,2004,32(1):34-38.Wei Xiaosheng,Xiao Lianzhen,Li Zongjin.Study on the hydration of Portland cement using an electrical resistivity method[J].Journal of Chinese Ceramic Society,2004,32(1):34-38.
[11]  Song G,Gu H,Mo Y L.Topical review:Smart aggregates:multi-functional sensors for concrete structures—a tutorial and a review[J].Smart Materials&Structures,2008,17(3):1726-1743.
[12]  Kong Q,Hou S,Ji Q,et al.Very early age concrete hydration characterization monitoring using piezoceramic based smart aggregates[J].Smart Materials&Structures,2013,22(8):1726-1733.
[13]  Shi C,Jiménez A F,Palomo A.New cements for the21st century:The pursuit of an alternative to Portland cement[J].Cement&Concrete Research,2011,41(7):750-763.
[14]  Chen I A,Juenger M C G.Synthesis and hydration of calcium sulfoaluminate-belite cements with varied phase compositions[J].Journal of Materials Science,2011,46(8):2568-2577.
[15]  Shin S W,Oh T K.Application of electro-mechanical impedance sensing technique for online monitoring of strength development in concrete using smart PZT patches[J].Construction&Building Materials,2009,23(2):1185-1188.
[16]  Xu K,Kong Q Z,Chen S,et al.Early detection of the presence of low strength concrete in reinforced concrete beam-column joints using piezoceramic based transducers[J].IEEE Sensors Journal,2017,(99):3244-3250.
[17]  许凯,朱茜,任长春,等.一种水泥基材料早强智能监测盒:CN107024579A[P].2017.Xu Kai,Zhu Xi,Ren Changchun,et al.An early strength monitoring box for cement-based materials:CN107024579A[P].2017.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133