A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Acceptance Procedures for Dense-Graded Mixes. Literature Review
Recent literature related to acceptance procedures for dense-graded mixtures is summarized. Current state of practice and development of acceptance procedures are reviewed. Many agencies are reducing the number of process control-related parameters included in their specification (e.g., gradation), moving toward an end-result specification. End-result specifications are suited to Oregon's needs at present; however, performance-related specifications currently do not appear to be suited to Oregon needs. Many agencies are increasing the use of mix volumetrics in specifications, in part because the use of Superpave mixes is increasing and these mixes are designed using mix volumetrics. Recommended specifications for Superpave and stone-matrix asphalt mixes are available and have been implemented by some states. Pay factor equations have been formulated that allow separation of the parameter mean and standard deviation, thus encouraging the contractor to hit the job mix formula target and minimize the process variability.
Acceptance Procedures for Dense-Graded Mixes. Literature Review
Recent literature related to acceptance procedures for dense-graded mixtures is summarized. Current state of practice and development of acceptance procedures are reviewed. Many agencies are reducing the number of process control-related parameters included in their specification (e.g., gradation), moving toward an end-result specification. End-result specifications are suited to Oregon's needs at present; however, performance-related specifications currently do not appear to be suited to Oregon needs. Many agencies are increasing the use of mix volumetrics in specifications, in part because the use of Superpave mixes is increasing and these mixes are designed using mix volumetrics. Recommended specifications for Superpave and stone-matrix asphalt mixes are available and have been implemented by some states. Pay factor equations have been formulated that allow separation of the parameter mean and standard deviation, thus encouraging the contractor to hit the job mix formula target and minimize the process variability.
Acceptance Procedures for Dense-Graded Mixes. Literature Review
J. R. Lundy (author)
2001
50 pages
Report
No indication
English
Air Transportation , Transportation Safety , Aviation safety , Operations research , Air transportation , Aircraft maintenance , Personnel development , Management , Resources , Policies , Procedures , Training , Air Carrier , ACOSM(Air Carrier Operations System Model) , ACOSM system-engineering model
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