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A platform for research: civil engineering, architecture and urbanism
Emergency paving using hot-mixed asphalt incorporating warm mix technology
This paper presents results of a study on hot-mixed and warm-compacted asphalt incorporating warm mix technologies for use in emergency construction following a natural disaster. Case studies were first reviewed to investigate feasibility of the concept. Next, an overall emergency paving framework was developed, complemented by a two-component laboratory investigation. Component one developed a series of short-term ageing protocols for use in preparation of test specimens; component two evaluated those specimens for compactability and rut resistance. Results indicated that (1) material could be hauled up to 6 h and still be effectively used in emergency paving, (2) the two warm mix additives studied improved compactability of hot-mixed and warm-compacted asphalt and (3) rut resistance was acceptable for emergency applications. A discussion on the post natural disaster permanent residual value of the hot-mixed and warm-compacted material is also provided.
Emergency paving using hot-mixed asphalt incorporating warm mix technology
This paper presents results of a study on hot-mixed and warm-compacted asphalt incorporating warm mix technologies for use in emergency construction following a natural disaster. Case studies were first reviewed to investigate feasibility of the concept. Next, an overall emergency paving framework was developed, complemented by a two-component laboratory investigation. Component one developed a series of short-term ageing protocols for use in preparation of test specimens; component two evaluated those specimens for compactability and rut resistance. Results indicated that (1) material could be hauled up to 6 h and still be effectively used in emergency paving, (2) the two warm mix additives studied improved compactability of hot-mixed and warm-compacted asphalt and (3) rut resistance was acceptable for emergency applications. A discussion on the post natural disaster permanent residual value of the hot-mixed and warm-compacted material is also provided.
Emergency paving using hot-mixed asphalt incorporating warm mix technology
Howard, Isaac L. (author) / Doyle, Jesse D. (author) / Hemsley, James MichaelJr (author) / Baumgardner, Gaylon L. (author) / Cooley, L. AllenJr (author)
International Journal of Pavement Engineering ; 15 ; 202-214
2014-03-16
13 pages
Article (Journal)
Electronic Resource
English
asphalt , emergency paving , disaster , rutting , WMA
Emergency paving using hot-mixed asphalt incorporating warm mix technology
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