Ultrasonic wave propagation technique to evaluate the stiffness of bituminous mixtures

被引：0

作者：

Utilisation de la propagation d'ondes ultrasonores pour l'évaluation de la rigidité de matériaux bitumineux routiers

机构：

[1] LUNAM IFSTTAR, F-44344 Bouguenais

[2] École Centrale de Nantes, F-44300 Nantes

来源：

| 1600年 / Lavoisier, 14 rue de Provigny, Cachan Cedex, F-94236, France卷 / 23期

关键词：

Bitumen emulsion; Bituminous materials; Complex modulus; Voids; Wave test propagation;

D O I：

10.3166/RCMA.23.139-153

中图分类号：

学科分类号：

摘要：

Non-destructive ultrasonic technique appear as an alternative tool to assess the stiffness of bounded mixture and compacted in addition to the classical measurement of complex modulus obtained by the two points bending test. Compression wave celerity measurements at 250 kHz have been conducted on hot and cold bituminous mixtures. Experimental results show a strong influence of the manufacturing process on the wave celerity. The feasibility of ultrasonic methods for the bituminous materials characterization is strengthened by the identification of well known effects as void content and temperaturedependant behaviour. Finally complex moduli measured from wave propagation test and two points bending test respectively have been compared. © 2013 Lavoisier.

引用

页码：139 / 153

页数：14

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