烧结页岩清水砖抗冻性能研究
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摘要
广西科技大学新型建筑材料课题组前期试验数据作为理论依据,以烧结页岩砖的原料物理性质为基础,研制开发烧结页岩清水砖。为了进一步研究烧结页岩清水砖的抗冻性能,通过将烧结页岩清水砖与普通烧结页岩砖试件的理化成分与微观结构进行对比分析,再进行冻融循环对比试验,以及砖体在饱水状态下的导热系数测定,得出清水烧结页岩砖抗冻性能要优于普通烧结页岩砖。试验结论为:烧结页岩清水砖抗冻性能达到《墙体材料应用统一技术规范》GB 50574-2010相关指标。为后续试验提供相关数据,为烧结页岩清水砖的推广奠定基础,并建议将饱水状态下的砖体导热系数作为砖体抗冻性能指标之一。
Using previous experimental data of the new building materials research group of Guangxi University of Technology as theoretical basis,based on sintered shale ganged brick raw materials and their physical properties,the sintered shale ganged brides were researched and developed.To further investigate the sintering shale bricks of frost resistance,through the physical and chemical composition of the sintered shale ganged bricks with ordinary sintered shale brick specimen and microstructure were analyzed,and then with ordinary sintering shale brick freezethaw cycles were performed comparative tests,and in brick thermal conductivity of water saturated state measured water drawn sintered shale brick frost resistance superior to ordinary sintered shale brick.The test concluded:sintered shale bricks frost performance to " wall material application of a uniform technical specifications" GB50574—2010 related indicators.Provide follow-up test data,laying the foundation for the promotion of sintering shale bricks,bricks and recommended water saturated state thermal conductivity as one brick frost performance.
Using previous experimental data of the new building materials research group of Guangxi University of Technology as theoretical basis,based on sintered shale ganged brick raw materials and their physical properties,the sintered shale ganged brides were researched and developed.To further investigate the sintering shale bricks of frost resistance,through the physical and chemical composition of the sintered shale ganged bricks with ordinary sintered shale brick specimen and microstructure were analyzed,and then with ordinary sintering shale brick freezethaw cycles were performed comparative tests,and in brick thermal conductivity of water saturated state measured water drawn sintered shale brick frost resistance superior to ordinary sintered shale brick.The test concluded:sintered shale bricks frost performance to " wall material application of a uniform technical specifications" GB50574—2010 related indicators.Provide follow-up test data,laying the foundation for the promotion of sintering shale bricks,bricks and recommended water saturated state thermal conductivity as one brick frost performance.
引文
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8 刘顺华,耿兆祥,李长茂.热线法的应用.计测技术,2002;(2):20 —21Liu S H,Geng Z X,Li C M.The application of the hotline method.Metrology&Measurement Technology,2002;(2):20—21
2 黄榜彪,李治,盛琪,等.污泥烧结页岩砖抗冻性能研究.科学技术与工程,2016;(4):83—88Huang B B,Li Z,Shen Q,et al.Sludge in sintering confined shale brick antifreeze performance study.Science Technology and Engineering,2016;(4):83—88
3 黄榜彪,李治,朱基珍,等.城市污泥烧结页岩砖通缝抗剪性能试验.广西科技大学学报,2015;26(4):91—96Huang B B,Li Z,Zhu J Z,et al.Urban sludge in sintering confined shale brick joint shear performance test.Journal of Guangxi University of Science and Technology,2015;26(4):91—96
4 李庆繁.关于粉煤灰等硅酸盐砖抗冻性强度评定指标的探讨及建议.粉煤灰,2009;(3):43—45Li Q F.Of fly ash silicate brick frost resistance strength evaluation indexes such as discussion and suggestion.The Fly Ash,2009;(3):43 —45
5 童丽萍,雷小娟.黄河淤泥烧结多孔砖抗冻性能研究.新型建筑材料,2008;(10):23—26Tong L P,Lei X J.The Yellow River silt sintered porous brick antifreeze performance study.New Building Materials,2008;(10):23 —26
6 吴元昌,朱基珍,黄榜彪,等.城市污水污泥烧结页岩多孔砖砌体轴压试验.广西大学学报(自然科学版),2014;(1):32—37Wu Y C,Zhu J Z,Huang B B,et al.Urban sewage sludge in sintering shale porous brick masonry axial compression test.Journal of Guangxi University(Natural Science Edition),2014;(1):32—37
7 黄榜彪,赖骏,朱基珍,等.矩形孔烧结页岩砖砌体抗压强度及弹性模量研究.广西大学学报(自然科学版),2015;(1):43—49Huang B B,Lai J,Zhu J Z.Rectangular hole sintering confined shale brick masonry compressive strength and elastic modulus.Journal of Guangxi University(Natural Science Edition),2015;(1):43—49
8 刘顺华,耿兆祥,李长茂.热线法的应用.计测技术,2002;(2):20 —21Liu S H,Geng Z X,Li C M.The application of the hotline method.Metrology&Measurement Technology,2002;(2):20—21