废玻璃粉钢筋混凝土梁抗弯性能试验研究*
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（南华大学城市建设学院， 衡阳 421001）［摘要］通过试验对5根废玻璃粉钢筋混凝土梁和1根普通钢筋混凝土梁的抗弯性能进行对比，研究了废玻璃粉钢筋混凝土梁的破坏形态、极限承载力和变形，在不同废玻璃粉掺量和配筋率情况下，分析了废玻璃粉钢筋混凝土梁与普通钢筋混凝土梁的开裂荷载、正截面承载力、跨中挠度和最大裂缝宽度的异同，并通过试验结果验证了规范相应公式的适用性。结果表明：各试件具有相似的破坏形态；随着废玻璃粉掺量的增加，试件的极限承载力略微降低，跨中挠度略有增加；随着配筋率的增大，试件的极限承载力显著增加，跨中挠度显著减小。《混凝土结构设计规范》（GB 50010—2010）中极限承载力和最大裂缝宽度计算公式适用于废玻璃粉钢筋混凝土梁，但挠度公式需要乘以1.38才能适用于废玻璃粉钢筋混凝土梁。［关键词］废玻璃粉; 钢筋混凝土梁; 抗弯性能中图分类号：TU375.1 文献标识码：A 文章编号：1002-848X(2014)21-0078-04Experimental study on the flexural behaviour of waste glass powder reinforced concrete beamsGan Yuanchu, Zeng Chao, Ke Guojun, Li Song(School of Urban Construction, University of South China, Hengyang 421001, China)Abstract: The flexural behaviour of five waste-glass-powder reinforced concrete beams and one common reinforced concrete beam was compared by experiment. The failure mode，ultimate bearing capacity and deformation of the waste-glass-powder reinforced concrete beams were studied, and the differences of the cracking load, normal section bearing capacity, mid-span deflection and the biggest crack width between the waste-glass-powder reinforced concrete beams and the common reinforced concrete beam under different amounts of waste glass powder and reinforcement ratios were analyzed. At the same time, the code formulas were verified．The results show that the failure pattern of the waste-glass-powder concrete beams is similar to that of the common reinforced concrete beam; the ultimate bearing capacity decreases slightly, and the mid-span deflection increases slightly with the increase of the waste glass powder; but the ultimate bearing capacity increases obviously and the mid-span deflection decreases obviously with the increase of the reinforcement ratio．The formulas in the Code for design of concrete structures (GB 50010—2010) can be used to calculate the ultimate bearing capacity and the biggest crack width of the waste-glass-powder reinforced concrete beams, but the deflection formula needs to be multiplied by a coefficient 1.38 to be adjusted.Keywords: waste-glass-powder; reinforced concrete beam; flexural behaviour*国家自然科学基金资助项目（51378247），湖南省“十二五”重点学科（土木工程）支持项目，衡阳市科学技术发展计划项目（2011HKJ02）。通讯作者：曾超，硕士，Email：838748150@qq.com。参考文献［1］曲超，高志扬，刘数华，等．废弃玻璃粉在活性粉末混凝土中的应用研究［J］.混凝土，2011（8）:82-84．［2］杨医博，文梓芸．废玻璃在混凝土中的应用［J］.工业建筑，2002，32(7)：78-80．［3］FEDERICO L M，CHIDIAC S E．Waste glass as a supplementary cementitious material in concrete-critical review of treatment methods［J］.Cement ＆ Concrete Composites，2009，31(8):606-610.［4］柯国军，柏纪平，谭大维．废玻璃用于水泥混凝土的研究进展［J］.南华大学学报：自然科学版，2010，24(3)：96-102.［5］杨凤玲，嵇银行，李玉寿，等．废玻璃细骨料混凝土的试验研究［J］.混凝土，2011(9):81-83.［6］SHI CAIJUN，WU YANZHONG，RIEFLER CHRIS,et al. Characteristics and pozzolanic reactivity of glass powders［J］.Cement and Concrete Research，2005，35（5）：987-993.［7］王海娟，张义顺，赵继芬，等．利用废旧玻璃粉细掺料制备混凝土实验研究［J］.河南理工大学学报:自然科学版，2012，31(5)：608-612.［8］过镇海，时旭东．钢筋混凝土原理和分析［M］.北京：清华大学出版社，2003: 30-42.［9］周静海，张微，刘爱霞．再生粗骨料混凝土梁抗弯性能研究［J］.沈阳建筑大学学报：自然科学版，2008，24（5）: 762-767.
