（青岛理工大学土木工程学院， 青岛 266033）

［摘要］将绿色废弃玻璃粉取代部分水泥，绿色废弃玻璃砂取代部分天然砂制成砂浆试件，研究碱-硅酸反应。对分别掺加0%，10%，20%，30%的绿色玻璃粉和0%，30%，50%，70%，100%的绿色玻璃砂砂浆试件分别进行碱-硅酸反应试验，通过80℃水浴养护3，7，10，14，28，56d后检测砂浆试件的膨胀率。结果表明，碱骨料试件14d膨胀率均低于0.1%，所有试样均无开裂、变形、表面无胶状物质渗出，无潜在的碱骨料膨胀破坏；废弃玻璃粉的火山灰活性很大程度降低发生碱-硅酸反应膨胀破坏的可能性；当水浴养护56d后掺加30%玻璃砂的试件膨胀率为0.22%，大于0.2%，可能存在潜在的碱-硅酸反应破坏的危害；当玻璃砂的掺量超过30%，且随着玻璃砂掺量的增加，试件的膨胀率相应降低，并且通过电镜扫描绿色玻璃表面结构可以得出，绿色玻璃表面平滑，孔隙较少，说明绿玻璃砂的表面环境不易于发生碱-硅酸反应破坏。

［关键词］废弃玻璃； 水泥砂浆； 碱-硅酸反应； 膨胀率 

中图分类号： TU524 文献标识码： A文章编号：  1002-848X(2016)S2-0618-04

Experimental study on the alkali-silica reaction of waste glass cement mortar

Ai Xin, Zhang Peng, Cong Yuan, Dai Zhengzheng

（College of Civil Engineering, Qingdao Technological University, Qingdao 266033, China）

Abstract: Adding green waste glass power to replace part of cement make mortar specimens, adding green waste glass sand to replace part of natural sand make mortar specimens, studying the alkali-silica reaction. Adding 0%, 10%, 20%, 30% of the glass power and 0%, 30%, 50%, 70%, 100% of the glass sand to carry out the alkali-aggregate reaction experiment. Through the 80℃ water bath, measure the expansion rate of the specimens after maintain 3, 7, 10, 14, 24, 56d. Experimental results show that the expansion rate of the specimens below 0.1% after standard 14d maintenance, all samples are without cracking, deformation, surface colloidal substances, proving that there is no potential alkali aggregate expansion. Volcanic activity of waste glass power greatly reduce the possibility of alkali-silica reaction expansion damage. The expansion rate of glass sand specimen mixed with 30% is 0.22%, more than 0.2% after bath-maintain 56d, proving that there is a potential alkali-silica reaction damage; And with the increase of glass sand, the expansion rate of specimen lower accordingly, by electron microscopic scanning green glass surface structure can be obtained that green glass surface smooth, porosity is less, proving that its surface environment is not easy to happen alkali-silica reaction.

Keywords: waste glass; cement mortar; alkali-silica reaction; expansion rate