Wisdot-Whrp-Project-0092-11-02-Final-Report.pdf
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Wisdot-Whrp-Project-0092-11-02-Final-Report.pdf
Base Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfuckrey, M.Sc.Department of Civil Engineering and Mechanics University of Wisconsin-MilwaukeeAhmed Faheem, Ph.D.Bloom Companies. LLC Milwaukee, WlErol Tutumluer, Ph.D.Civil and Environmental Engineering University of Illinois at Urbana-ChampaignWisDOT ID no. 0092-11-0241244Research & Library UnitWHRP Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfWisconsin Highway Research ProgramWISCONSIN DOTPUTTING RESEARCH TO WORKExecutive SummaryThe objective of this research is to establish the teclmical eWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
ngineering and cost analysis concepts that will enable WisDOT management to objectively evaluate the feasibility of switching construction specificatiBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdf agencies practices on base layer construction in the U.S. and Canada were conducted. Tins research proposed construction specifications for aggiegate base coruse layers.This I esearch investigated the performance of aggr egate base layers for existing Hot Mix Asphalt (HMA) pavements and for HMA pav Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfement under construction through field and laboratory tests on pavement layers and pavement materials. Eleven existing HMA pavement projects with aggiWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
egate base course layers constructed in the last fewyears were selected for lion-destructive testing and evaluation using the Falling Weight DeflectomBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfrted during HMA layer paving. Later, these pavements exhibited various levels of distresses that included cracking (longitudinal, transverse, and alligator), aggregate base failure, and pavement surface roughness irregularities (ill terms of ride quality). The remaining five pavement piojects. in wh Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfich no issues related to aggregate base layer behavior during construction were reported, performed well after construction. These projects weie subjeWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
cted to FWD testing along approximately one-nule test section per project. The existing HMA pavements that showed early distresses exhibited high leveBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfe existing HMA pavements that pel formed well exhibited low levels of spatial variability and uniformity 111 aggregate base course layers, as shown by the FWD test results and the backcalculated base layer modulus.In addition, field and laboratory tests weie conducted on 10 projects during base cour Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfse layer construction to evaluate the quality of the constructed base layers. Base aggiegates were also collected from these sites for laboratory testWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
ing. The field testing program consisted of the in place density by the sand cone method, the dynamic cone penetration (DCP) test, the light weight deBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfand the repeated load triaxial test (AASHTO T 307) for determining the resilient modulus.Analyses were conducted on field and laboratory test results. High spatial variability in field density and moisture content exists in base course layers under construction, as demonstrated by the relative compa Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfction test results. High variability exists along the depth of base course layers, as demonstrated by the dynamic cone penetrometer test results and tWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
he estimated profile of California Bearing Ratio (CBR) along the depth of the investigated base layers, spatial variability and non-unifoimityiiwere aBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfechanistic-empirical pavement design method (Mechanistic-Empiiical Design of New and Rehabilitated Pavement Structures) was used to perform sensitivity analysis for the e fleet of the base course layer modulus on pavement performance. Results of the analysis demonstrated that Wisconsin pavements wit Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfh a lower base layer modulus exhibited earlier fatigue bottom-up cracking and developed more Hitting. The sensitivity analysis was conducted utilizingWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
DARWin-ME software. Wisconsin data and pavement design input parameters for STH 33. Port Washington were used in the analysis.A comprehensive survey Base Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfControl Quality Assurance (QC QA) of constnicted aggiegate base layer. The results of the survey showed that four highway agencies out of 62 111 the U.S. and Canada use subjective observation for accepting constructed aggregate base layers. The survey also indicated that 42% of the highway agencies Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfare thinking of new methodologies such as modulus-based specification to replace, complement then current density-based specifications. Curr ent stateWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
of practice and research 111 the U.S. IS focused on the modulus-based specifications and developing such specifications for QC QA. Tins is demonstratBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfram (NCHRP) project 10-84 (Modulus-Based Construction Specification for Compaction of Earthwork and Unbound Aggiegate) and NCHRP Synthesis 20-05 Topic 43-03 (Practices for Unbound Aggregate Pavement Layers) on modulus-based characterization of aggiegate base layers.iiiDISCLAIMERTins research was fun Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfded through the Wisconsin Highway Research Program by the Wisconsin Department of Transportation and the Federal Highway Administration under ProjectWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
0092-11-02. The contents of this report reflect the views of the authors, who are responsible for the facts and accuracy of the data presented herein Base Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdf time of publicationTins dociunent IS disseminated under the sponsorship of the Department of Transportation in the interest of information exchange. The United States Government assumes no liability for Its contents or use thereof. Tins report does not constitute a standard, specification or regula Wisdot-Whrp-Project-0092-11-02-Final-Report.pdftion.The United States Government does not endorse products or manufacturers. Trade and manufacturers’ names appear 111 this report only because theyWisdot-Whrp-Project-0092-11-02-Final-Report.pdf
are considered essential to the object of the document.ivTechnical Report Documentation Page1. Report No. WHRP2 Government Accession No3 Recipient's CBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew Dru Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfHighway Research Program7. Authors Hani H. Titi. Habib Tabatabai. Ahmed Faheem. Emil Bautista. Erol Tutumluer. and Andrew Druckrey8. Performing Organization Report: No. Wisdot-Whrp-Project-0092-11-02-Final-Report.pdfBase Compaction Specification Feasibility AnalysisHani H. Titi, Ph.D., P.E., M.ASCE Habib Tabatabai, Ph D., P.E., S.E. Emil Bautista, M.Sc. Andrew DruGọi ngay
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