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Use of Secant Shear Modulus for Rutting Potential Assessment of Indonesian Wearing Course Mixtures
Since shear modulus (G) indicates a resistance to shear deformation, the property should be essentially considered to evaluate the rutting potential. This study discusses a criterion of G for Indonesian wearing course mixture (IWCM) design. Simple unconfined compression test was conducted to calculate secant shear modulus (Gs) of IWCM. Gs is a ratio of shear strength (ts) to shear strain (g).ts and g were obtained from unconfined compressive strength and the strain transformation law, respectively. Wheel tracking test was conducted to verify validity of Gs as a rutting potential index of IWCM. Gs could rank the laboratory rutting performance of the designed mixtures as well as dynamic stability (DS). A relationship between Gs and DS suggests that over 28 MPa in Gs is equivalent to more than 800 cycles/mm in DS, within the scope of materials sources used in the present study. Gs can be one of rutting potential indicators of IWCM.
Use of Secant Shear Modulus for Rutting Potential Assessment of Indonesian Wearing Course Mixtures
Since shear modulus (G) indicates a resistance to shear deformation, the property should be essentially considered to evaluate the rutting potential. This study discusses a criterion of G for Indonesian wearing course mixture (IWCM) design. Simple unconfined compression test was conducted to calculate secant shear modulus (Gs) of IWCM. Gs is a ratio of shear strength (ts) to shear strain (g).ts and g were obtained from unconfined compressive strength and the strain transformation law, respectively. Wheel tracking test was conducted to verify validity of Gs as a rutting potential index of IWCM. Gs could rank the laboratory rutting performance of the designed mixtures as well as dynamic stability (DS). A relationship between Gs and DS suggests that over 28 MPa in Gs is equivalent to more than 800 cycles/mm in DS, within the scope of materials sources used in the present study. Gs can be one of rutting potential indicators of IWCM.
Use of Secant Shear Modulus for Rutting Potential Assessment of Indonesian Wearing Course Mixtures
Iman Haryanto (author) / Osamu Takahashi (author)
2007
Article (Journal)
Electronic Resource
Unknown
Metadata by DOAJ is licensed under CC BY-SA 1.0
Use of Secant Shear Modulus for Rutting Potential Assessment of Indonesian Wearing Course Mixtures
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