By Rebecca McDaniel, R. Michael Anderson
This 2000 record summarizes the study performed for NCHRP 9-12, Incorporation of Reclaimed Asphalt Pavement within the Superpave System. bankruptcy 1 experiences the heritage at the back of the undertaking and discusses the examine process. bankruptcy 2 outlines the learn findings from all components of the undertaking. bankruptcy three discusses the results of those findings. bankruptcy four summarizes the acceptable conclusions from this examine, makes techniques for destiny perform established upon those conclusions and indicates extra examine which may be essential to tackle a few unresolved concerns. the most learn used to be performed in 3 separate, yet similar, stories. The "black rock examine" investigated the query of even if reclaimed asphalt pavement (RAP) acts like a black rock or even if there's, actually, a few mixing that happens among the outdated and new binders. The "binder results learn" tested concerns relating to RAP binder trying out together with extraction and restoration approaches, applicability of the AASHTO MP1 exams to RAP binders and the consequences of RAP content material and stiffness on mixed binder homes. The "mixture results learn" used to be directed at assessing the results of the extra RAP on overall blend houses as measured through shear, oblique tensile and beam fatigue trying out. small-scale investigations, termed "mini-experiments," investigated the comparability of laboratory specimens to plant-produced combinations and the consequences of heating time and temperature on RAP houses.
record of Figures
checklist of Tables
desk of Contents
1. creation and study procedure
three. Interpretation, Appraisal, purposes
four. Conclusions and recommended learn
Read or Download NCHRP Report 452: Recommended Use of Reclaimed Asphalt Pavement in the Superpave Mix Design Method: Technician's Manual PDF
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