(Received 27 December 2014; accepted 22 May 2015)
Published Online: 2016
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In this study, a testing protocol was developed to measure the flexural strength, flexural modulus, and fatigue failure of cementitiously stabilized materials (CSMs) for both lightly and heavily stabilized soils. Four soils (sand, gravel, silt, and clay) and four binders (cement, lime, class C fly ash, and class F fly ash) were used in this study. Beam specimens (100 mm high by 100 mm wide by 400 mm long) were prepared and tested using third-point flexural beam tests. A fatigue distress model was developed, and the data from this study was validated using other existing stress-based fatigue models. Results indicated that the testing protocol could be used to determine the flexural strength, flexural modulus, and fatigue behavior of the cementitiously stabilized layers (CSL). A stress-based fatigue performance model was a good fit for the whole range of CSMs, which is needed to predict the fatigue performance of CSL in the field and to determine the fatigue life of the CSLs.
Graduate Research Assistant, Civil and Environmental Engineering Department, Univ. of Wisconsin-Madison, Madison, WI
Tinjum, James M.
Associate Professor, Department of Engineering Professional Development, Univ. of Wisconsin Madison, Madison, WI
Assistant Professor, Faculty of Civil Engineering, Yildiz Technical Univ., Istanbul,
Edil, Tuncer B.
Professor Emeritus and Director, Recycled Materials Resource Center, Department of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, Madison, WI
Stock #: GTJ20140281