Performance Evaluation of the Cement Stabilized Reclaimed Materials for Use in Pavement Foundations
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Authors
Rashidi, Mohammad
Ashtiani, Reza S.
Issue Date
2018-07
Type
Other
Language
en_US
Keywords
Alternative Title
Abstract
Sustainable use of reclaimed materials has gained significant traction among the pavement design practitioners in recent decades. This is primarily due to the scarcity of natural mineral resources, increasing waste disposal cost, and increasing the demand for aggregate sources. The purpose of this study was to evaluate the mechanical performance, strength characteristics, and durability of reclaimed asphalt pavement (RAP) and reclaimed concrete aggregate (RCA) incorporated in stabilized pavement layers. To accomplish this objective, several reclaimed sources and virgin materials were subjected to mechanical and durability tests to characterize the performance characteristics of stabilized systems. The results indicate that reclaimed materials significantly underperformed in terms of lower compressive and tensile strengths compared to the stabilized virgin aggregates. Additionally, the degree of plasticity of the specimen increased when reclaimed materials (RAP and RCA) were used instead of virgin materials in the cement stabilized base system. The laboratory results clearly underscored the significance of incorporation of durability tests for reliable characterization of the degradation of the mechanical properties due to moisture intrusion in stabilized pavement foundations.
Description
Conference Paper.
Citation
Rashidi, Mohammad & Ashtiani, Reza. (2018). Performance Evaluation of the Cement Stabilized Reclaimed Materials for Use in Pavement Foundations. 140-152. 10.1061/9780784481554.015.
Publisher
ASCE