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烧结空心砖、空心砌块

发布时间:2015年11月17日    11646 次浏览

    
        
            
                                      序号                  
                
                      材料名称                  
                
                      主要检测项目                  
                
                      数量(组)                  
                
                      取样方法                  
            
            
                                      16                  
                
                      烧结空心砖  空心砌块                  
                
                      抗压强度                  
                
                      20块                  
                
                      以同类别、同规格、同等级的为一批。批量为15万块                  
            
            
                                      蒸压灰砂砖  蒸压灰砂空心砖                  
                
                      抗压(抗折)强度                  
                
                      10块                  
                
                      以同类型的为一批,批量10万块                  
            
            
                                      混凝土小型  空心砌块                  
                
                      抗压强度                  
                
                      10块                  
                
                      为同一种材料组成、同一工艺生产的相同外观质量和强度等级的为一批,批量1万块                  
            
            
                                      轻集料混凝土小型空心砌块                  
                
                      抗压强度  密度等级                  
                
                      20块                  
                
                      同一种配制成的相同密度、强度和质量等级,同一生产工艺的为一批,批量1万块                  
            
            
                                      粉煤灰小型  空心砌块                  
                
                      抗压强度                  
                
                      20块                  
                
                      以同类别、同规格、同等级的为一批、批量为1万块                  
            
            
                                      蒸压加气砌块                  
                
                      抗压强度  干体积密度                  
                
                      3组9块  为一批次                  
                
                      同品种、同规格、同等级的为一批, 批量1万块。  随机抽取制品。沿制品膨胀方向中心部分上、中、下顺序锯取一组边长为100mm的立方体试件,上块上表面距离制品顶面30mm,中块在制品中心,下块下表面距离制品底面30mm,送检试样应标明砌块膨胀方向。