The study focused on the influence of various engineering factors on the strength of rigid airport pavement.Based on different test schemes,we established indoor and outdoor tests,compared the strength test results,an...The study focused on the influence of various engineering factors on the strength of rigid airport pavement.Based on different test schemes,we established indoor and outdoor tests,compared the strength test results,and quantitatively analyzed the impacts of mechanical damage,maintenance conditions,and construction technology on the splitting strength of rigid airport pavement.We further fitted the correction coefficients of the split-ting strength of core samples with different height-diameter ratios.Dempster-Shafer(D-S)evidence theory and gray correlation analysis were used to analyze the correlation between the influencing factors and the pavement splitting tensile strength.The impor-tance of the factors affecting the rigid airport pavement strength was then determined.The results showed that the loss rates of pavement splitting tensile strength caused by dif-ferences in construction technology,curing conditions,and mechanical damage were 6.90%,4.43%,and 2.11%,respectively.The correlation between each influencing factor and pavement tensile strength was good.The degree of influence decreased in the follow-ing order:construction technology>curing conditions>mechanical damage.These find-ings can help the reasonable allocation of resources on construction sites.展开更多
基金grateful to the Shanghai Sailing Program(No.20YF1431900)for supporting this study.
文摘The study focused on the influence of various engineering factors on the strength of rigid airport pavement.Based on different test schemes,we established indoor and outdoor tests,compared the strength test results,and quantitatively analyzed the impacts of mechanical damage,maintenance conditions,and construction technology on the splitting strength of rigid airport pavement.We further fitted the correction coefficients of the split-ting strength of core samples with different height-diameter ratios.Dempster-Shafer(D-S)evidence theory and gray correlation analysis were used to analyze the correlation between the influencing factors and the pavement splitting tensile strength.The impor-tance of the factors affecting the rigid airport pavement strength was then determined.The results showed that the loss rates of pavement splitting tensile strength caused by dif-ferences in construction technology,curing conditions,and mechanical damage were 6.90%,4.43%,and 2.11%,respectively.The correlation between each influencing factor and pavement tensile strength was good.The degree of influence decreased in the follow-ing order:construction technology>curing conditions>mechanical damage.These find-ings can help the reasonable allocation of resources on construction sites.
