材料导报 2020, Vol. 34 Issue (Z1): 258-260
无机非金属及其复合材料
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冻融循环对烧结页岩多孔砖砌体抗剪性能的影响
王锐1 , 黄榜彪1 , 莫济成2 , 李青1 , 朱基珍2
1 广西科技大学土木建筑工程学院,柳州 545006; 2 广西科技大学理学院,柳州 545006
Effect of Freeze-thaw Cycle on Shear Performance of Sintered Shale PorousBrick Masonry
WANG Rui1 , HUANG Bangbiao1 , MO Jicheng2 , LI Qing1 , ZHU Jizhen2
1 School of Civil Engineering and Architecture, Guangxi University of Science and Technology, Liuzhou 545006, China; 2 School of Science, Guangxi University of Science and Technology, Liuzhou 545006, China
摘要 为了研究烧结页岩多孔砖砌体结构在冻融循环下抗剪强度的变化规律,采用砌体沿通缝截面抗剪强度的试验方法,通过对比分析不同冻融循环次数下砂浆与砌体的强度衰减和损失情况,得到了冻融循环下烧结页岩多孔砖砌体的抗剪强度衰减规律及表达式。试验结果表明,在75次冻融循环后,冻融破坏对砌体抗剪性能的影响较大且不断加深,砌体抗剪性能急剧下降。
关键词:
砌体结构
冻融循环
耐久性
抗剪强度
Abstract: In order to explore the shear strength variation of sintered shale porous brick masonry structure under freeze-thaw cycles, this paper adopted the test method of masonry shear strength along the cross-section. By comparing and analyzing the strength attenuation and loss of mortar and masonry under different freeze-thaw cycles, the law and expression of shear strength attenuation of sintered shale porous brick masonry under freeze-thaw cycles were obtained. The test results show that after 75 freeze-thaw cycles, the effect of freeze-thaw damage on the shear resis-tance of masonry is greater and deeper, and the shear resistance of masonry decreases sharply.
Key words:
masonry structure
freeze-thaw cycle
durability
shear strength
发布日期: 2020-07-01
基金资助: 广西重点研发计划(桂科AB16380341; AB17129024);柳州市科技重大专项(2018AD40501)
作者简介: 王锐,2016年毕业于淮阴工学院,获得工学学士学位。现为广西科技大学土木建筑工程学院硕士研究生,在黄榜彪教授的指导下进行研究,目前主要研究方向为材料与结构工程;黄榜彪,广西科技大学土木建筑工程学院教授、硕士研究生导师。2007年硕士研究生毕业于北京工业大学,工作至今主持完成省市级科研项目30多项,获广西科学技术进步奖三等奖2项,柳州市科学进步奖多项。目前主要从事新型建筑材料的研究。
引用本文:
王锐, 黄榜彪, 莫济成, 李青, 朱基珍. 冻融循环对烧结页岩多孔砖砌体抗剪性能的影响[J]. 材料导报, 2020, 34(Z1): 258-260.
WANG Rui, HUANG Bangbiao, MO Jicheng, LI Qing, ZHU Jizhen. Effect of Freeze-thaw Cycle on Shear Performance of Sintered Shale PorousBrick Masonry. Materials Reports, 2020, 34(Z1): 258-260.
链接本文:
http://www.mater-rep.com/CN/
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http://www.mater-rep.com/CN/Y2020/V34/IZ1/258
1 商效瑀,郑山锁,徐强.实验力学,2015,30(6),810. 2 商效瑀.冻融循环作用下再生混凝土砖砌体力学性能研究.硕士学位论文,西安建筑科技大学,2014. 3 郑怡,李莉,许嘉龙,等.中南大学学报(自然科学版),2011,42(11),3342. 4 四川省建筑科学研究院.砌体基本力学性能试验方法标准:GB/T 50129-2011.中国建筑工业出版社,2011. 5 黄榜彪,李治,朱基珍,等.广西科技大学学报,2015,26(4),91. 6 陕西省建筑科学研究院.砌筑砂浆配合比设计规程:JGJ/T 98-2010,中国建筑工业出版社,2010. 7 黄榜彪,卢强,朱基珍,等.广西科技大学学报,2016,27(2),27. 8 黄榜彪,李治,黄秉章,等.科学技术与工程,2017,17(7),237. 9 中国建筑东北设计研究院有限公司.砌体结构设计规范:GB 50003-2011,中国建筑工业出版社,2011.
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