A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effect evaluation of freeze-thaw on resilient modulus of unsaturated granular base course material in pavement
Abstract This study examines the effects of freeze-thaw and water content on the resilient deformation characteristics of subbase course materials to evaluate the mechanical behavior of granular base in cold regions. A series of resilient modulus tests on subbase course materials under various water contents were conducted using a newly developed test apparatus. Besides, the test results were compared with the results of freeze-thaw CBR tests and the long-term field measurement at a model pavement structure including FWD tests. As the results, it was revealed that the resilient deformation characteristics of unbound granular base materials (UGBMs) deteriorate due to freeze-thaw and increment of the water content in thawing season. This indicates that the freeze-thaw of granular base has a strong influence on the fatigue life of pavement structures.
Effect evaluation of freeze-thaw on resilient modulus of unsaturated granular base course material in pavement
Abstract This study examines the effects of freeze-thaw and water content on the resilient deformation characteristics of subbase course materials to evaluate the mechanical behavior of granular base in cold regions. A series of resilient modulus tests on subbase course materials under various water contents were conducted using a newly developed test apparatus. Besides, the test results were compared with the results of freeze-thaw CBR tests and the long-term field measurement at a model pavement structure including FWD tests. As the results, it was revealed that the resilient deformation characteristics of unbound granular base materials (UGBMs) deteriorate due to freeze-thaw and increment of the water content in thawing season. This indicates that the freeze-thaw of granular base has a strong influence on the fatigue life of pavement structures.
Effect evaluation of freeze-thaw on resilient modulus of unsaturated granular base course material in pavement
Ishikawa, Tatsuya (author) / Lin, Tianshu (author) / Kawabata, Shinichiro (author) / Kameyama, Shuichi (author) / Tokoro, Tetsuya (author)
2019-09-17
Article (Journal)
Electronic Resource
English
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