A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An extensive laboratory study of the asphalt paving mixtures containing baghouse fines has been conducted through seven sets of experimental designs to characterize the performance of pavement. The gyratory stability index and gyratory elasto-plastic index can be used to determine the effect of baghouse fines on asphalt paving mixtures during specimen fabrication. The resilient modulus, indirect tensile strength, and Hveem stability decrease significantly with higher amounts of baghouse fines. Artificial aging processes to simulate pavement performance caused an increase in resilient modulus and the indirect tensile strength as well as a reduction in failure tensile strain. The effect of water sensitivity of asphalt paving mixture decreased with increasing amount of asphalt cement or with decreasing of baghouse fines/asphalt cement ratio. Densification of asphalt paving mixtures produces higher indirect tensile strength, but it also decreased the resilient modulus. The resilient modulus value was insensitive to the gradation of baghouse fines or mineral fillers, but the indirect tensile strength increased significantly with finer fines or fillers.
An extensive laboratory study of the asphalt paving mixtures containing baghouse fines has been conducted through seven sets of experimental designs to characterize the performance of pavement. The gyratory stability index and gyratory elasto-plastic index can be used to determine the effect of baghouse fines on asphalt paving mixtures during specimen fabrication. The resilient modulus, indirect tensile strength, and Hveem stability decrease significantly with higher amounts of baghouse fines. Artificial aging processes to simulate pavement performance caused an increase in resilient modulus and the indirect tensile strength as well as a reduction in failure tensile strain. The effect of water sensitivity of asphalt paving mixture decreased with increasing amount of asphalt cement or with decreasing of baghouse fines/asphalt cement ratio. Densification of asphalt paving mixtures produces higher indirect tensile strength, but it also decreased the resilient modulus. The resilient modulus value was insensitive to the gradation of baghouse fines or mineral fillers, but the indirect tensile strength increased significantly with finer fines or fillers.
Effects of Baghouse Fines and Incomplete Combustion Products in a Drum Drier on the Characteristics of Asphalt Paving Mixtures. Phase 2
J. D. Lin (author)
1990
202 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Materials Degradation & Fouling , Hot mix pavement mixtures , Asphalts , Combustion products , Mechanical properties , Bituminous concretes , Test facilities , Aging(Materials) , Tensile strength , Resilience , Moisture content , Admixtures , Fillers , Drying apparatus , Gyratory testing machines
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