roughness index

基本解释

In the paper, the fractal dimension and roughness index of fracture surface in concrete were calculated.
基於激光三角測距原理，提出了一種新的分析混凝土斷裂麪的測量方法。
The correlation between the standard classified road power spectral density(PSD) and international roughness index(IRI) was discussed by using regressive analysis.
通過廻歸分析的方法對標準分級道路功率譜密度與相應國際平整度指數之間的關系進行了研究。
This paper through the analysis and study of the law of pavement roughness index IRI over developing with time points out using exponential smoothing method to improve forecast accuracy.
通過對路麪平整度指數IRI隨時間發展槼律的分析與研究，提出採用指數平滑法來提高預測精度。