回弹法检测山砂混凝土强度的不确定度评定  

Evaluation of Uncertainty of Strength of Mountain Sand Concrete by Rebound Method

作　　者：魏光 黎洪 姚家进 吕佳利 WEI Guang;LI Hong;YAO Jia-jin;LV Jia-li(Guizhou Daoxing Construction Engineering Inspection Co,Ltd,Guiyang 550000,China;Guizhou College of Transportation Technology,Guiyang 550000,China)

机构地区：[1]贵州道兴建设工程检测有限责任公司,贵阳550000 [2]贵州交通职业技术学院,贵阳550000

出　　处：《建材世界》2019年第6期30-33,共4页The World of Building Materials

摘　　要：简述回弹法检测山砂混凝土抗压强度的基本原理,通过工程实例阐述山砂混凝土抗压强度采用回弹法检测推定值的主要影响因素,引入不确定度的原理,建立不确定度评定的数学模型,计算合成不确定度最后得出扩展不确定度。对山砂混凝土抗压强度推定值的准确性进行探讨,从而为回弹法检测山砂混凝土抗压强度推定值提供完善的方法。The basic principle of springback method for testing the compressive strength of mountain sand concrete is briefly introduced.The paper expounds the main factors that influence the compressive strength of mountain sand concrete by rebound method.The mathematical model of uncertainty evaluation is established.The synthetic uncertainty is calculated and the extended uncertainty is obtained.The accuracy of the estimated compressive strength of mountain sand concrete is discussed.So it provides a perfect method for testing the compressive strength of mountain sand concrete by rebound method.

关 键 词：山砂混凝土 回弹法 不确定度评定 

分 类 号：TU5[建筑科学—建筑技术科学]