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《Journal of Shenyang Jianzhu University(Natural Science)》 2016-04
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The Influence of Acid Rain on the Performance of Building Mortar

WANG Guoye;CHENG Zhen;TONG Zhou;WANG Fengchi;XIE Shun;School of Civil Engineering,Shenyang Jianzhu University;Department of Civil Engineering,Shenyang Urban Construction University;  
To find out the influence lawof acid rain on the mechanical properties of the building mortar,the test block are quantitatively analyzed after be corroded. The mortar test blocks are studied and analyzed for the changes of its apparent,mass,compressive strength and shear strength when the variable of pH is 1. 0,2. 5 and 4. 0 and the corrosion time is 10 d,20 d,40 d and 60 d.The result showed that the apparent change of the mortar test block is obvious after be corroded.For pH1. 0 group,the mortar test blocks' mass,compressive strength and shear strength has been in a downward trend during the corrosion time. However,the mass,compressive strength and shear strength of the mortar test block showed the trend of rising and falling at pH2. 5 and pH4. 0 group during the corrosion time,and the curve of pH2. 5 group drops earlier than that of pH4. 0 group.The effect of acid rain on the appearance,mass,compressive strength and shear strength of the building mortar is more significant.
【Fund】: 国家十二五科技支撑计划项目(2012BAJ11B02);; 沈阳市科技攻关计划项目(F10-144-9-00)
【CateGory Index】: TU578.1
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