酒精废醪液矩形孔烧结页岩砖砌体抗弯试验

Journal of Henan Polytechnic University(Natural Science)(2016)

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Abstract
将6组60件以不同砂浆强度等级为参数的酒精废醪液矩形孔烧结页岩砖砌体试件进行抗弯性能(沿通缝和齿缝)试验研究,全面分析该砌体试件的破坏特征和抗弯强度值.结果表明,酒精废醪液矩形孔烧结页岩砖砌体的抗弯破坏特征与相同强度等级的烧结普通黏土砖一致.通过最小二乘法回归分析得到酒精废醪液矩形孔烧结页岩砖砌体的弯曲抗拉强度计算公式中的系数七,建立了砌体计算公式f(1)tm,m =0.235√f2(通缝),f(2)tm,m=0.324√f2(齿缝),为结构设计提供了节能和可靠性依据.
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Key words
waste liquor of alcohol,bending strength,failure characteristic,porous brick,rectangular hole
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