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Fatigue behaviour of crumb rubber concrete under flexural load

JUN CAI1,* , JUAN HE2,3

Affiliation

  1. Department of Urban and Rural Development & Management Engineering, Shangluo University, Shangluo, China
  2. Post-doctoral Mobile Stations of Material Science and Engineering, Xi’an University of Architecture & Technology, Xi’an, China
  3. College of Material and Mineral Resources, Xi’an University of Architecture & Technology, Xi’an, China

Abstract

This paper presents the results of a study on fatigue behaviour of crumb rubber concrete (CRC) under flexural load. An experimental program was carried out to investigate the fatigue lives of CRC at various stress levels. The four-point flexural tests on CRC beam specimens (100 × 100 × 400 mm) were conducted. CRC beam specimens were also tested under static flexural loading to obtain the flexural strength of CRC. The test results indicate that the flexural fatigue lives of CRC follow the double-parameter Weibull distribution. The regression parameters of the fatigue equation corresponding to different survival probabilities are obtained. The flexural fatigue strength of CRC for the desired level of survival probability can be evaluated by using the fatigue equation..

Keywords

Crumb rubber concrete, Fatigue, Flexural load.

Citation

JUN CAI, JUAN HE, Fatigue behaviour of crumb rubber concrete under flexural load, Optoelectronics and Advanced Materials - Rapid Communications, 8, 5-6, May-June 2014, pp.567-570 (2014).

Submitted at: Oct. 21, 2013

Accepted at: May 15, 2014