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Resilient Modulus Characteristics of Varying Percent of Reclaimed Asphalt Pavement



Utilization of reclaimed asphalt pavement (RAP) aggregate in highway projects has become common practice in the United States because it has considerable environmental and economical advantages. This study evaluates the resilient modulus (Mr) of a crushed RAP on its own, a basaltic virgin aggregate (VA) on its own as well as when the two are bended for use in pavement base and subbase courses. A series of laboratory tests were conducted to assess their fundamental properties including Mr. Test results show that under the same stress conditions, the resilient modulus of pure RAP is higher than that of VA. The factors influencing Mr are discussed and a model that captures the variation of Mr with stress level, water content and density is proposed. This model is capable of incorporating the effect of percent RAP on Mr. This Mr model will help engineers design roads using recycled materials more expediently, thereby aiding the profession's march towards greener highways.


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0000019632625.8(063) Son rMy LibraryTersedia

Informasi Detail

Judul Seri
Paving Materials And Pavement Analysis (geotechnical Special Publication No. 203)
No. Panggil
625.8(063) Son r
Penerbit ASCE : .,
Deskripsi Fisik
p.43-50.
Bahasa
English
ISBN/ISSN
-
Klasifikasi
625.8(063)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
Info Detail Spesifik
-
Pernyataan Tanggungjawab

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