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Design And Analysis Of Flexible Insulated Pavement For Cold Region Applications, Zhuang Zhuo
Design And Analysis Of Flexible Insulated Pavement For Cold Region Applications, Zhuang Zhuo
Theses and Dissertations
Pavements in cold regions suffer from additional deterioration due to the influences of extreme climate on frost-susceptible subgrade layers. To address this problem, one efficient strategy is to add a thermal insulating layer above the frost-susceptible layer. This study aims to evaluate the insulating effects of four materials: XPS boards, tire chips, foamed glass aggregates, and foamed concrete. Large-scale insulated pavement boxes (1.2m×1.2m×0.8m) were constructed to compare the thermal performance of different materials. The thermal performance of each box was evaluated and graded based on indicators related to the short-term temperature decrease and long-term temperature variation.
Experimental results show that …