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Dr. W. K. Mampearachchi

Dr. W. K. Mampearachchi Prof. S. M. A. Nanayakkara . 7 . ... Forensic Investigation of the Whitetopping Pavement Ellaville Weight Station on I-10 in North Florida : ... and Choubane, B. Evaluation of Composite Pavements Using a Heavy Vehicle Simulator ; International Journal of Pavement Research and Technology, Volume 1, Number 1, January 2008 ...

Geotechnical and Transportation Engineering | Civil and ...

Geotechnical and Transportation Engineering. ... The Washington Center for Asphalt Technology (WCAT) includes facilities for the characterization of asphalt cements and concretes. In addition, a mobile drill rig is available for obtaining in-situ samples. ... Evaluation of Performance of Whitetopping Pavement as a Rehabilitation Strategy ...

New software promises to put whitetopping on the map: A ...

Free Online Library: New software promises to put whitetopping on the map: A new software product is forthcoming to help highway agencies and others evaluate portland cement concrete as a viable alternative for pavement overlays. by "Public Roads"; Business Engineering and manufacturing Government Computer software industry Product development Concrete pavements Engineering …

Research Testing in 4 States Brings New Procedures & Offer ...

Dec 06, 2017· Researchers developed procedures for selecting asphalt pavements for thin whitetopping based on site examination and lab testing. Test results do not offer definitive indications of future performance of overlaid asphalts (the next research step), but procedures offer recommendations on pre-overlay pavement treatment, testing protocols, and design considerations for bonded concrete …

asphalt | Crossroads

Jul 16, 2018· Many counties throughout Minnesota have used bonded concrete overlays to rehabilitate asphalt pavement. Though not widely used by MnDOT, a bonded concrete overlay, or whitetopping, normally involves milling a few inches of asphalt off the damaged surface and placing 4 to 6 inches of concrete over the asphalt pavement.

Mid-America Transportation Center

Dr. Hosin "David" Lee is a professor at the Public Policy Center and civil engineering department at the University of Iowa. Lee received his doctorate from the University of Texas at Austin and is a licensed professional engineer. He has published more than 40 papers in transportation engineering journals.

Public Roads - Ultra-Thin Whitetopping, Sept/Oct 1998

Several years ago, however, a new technique/process in which 50 to 100 millimeters of high-strength, fiber-reinforced concrete is placed over a milled surface of distressed asphalt concrete pavement was introduced, and this process, called "ultra-thin whitetopping" (UTW), has proven to be a low-cost, effective, and fairly simple solution.

Xiaojun Li - fresnostate.edu

Mechanism, Prevention, and Treatment of Water Damage in Asphaltic Pavement,Journal of Shandong Jiaotong University (in Chinese), 2005; Cun-wang Peng and Xiaojun Li. Application of Crack and Seat Technology in PCC Pavement Maintenance.

CONNECTICUT DEPARTMENT OF TRANSPORTATION

CONNECTICUT DEPARTMENT OF TRANSPORTATION ... Performance Evaluation of Whitetopping and Superpave A project was initiated in 2002 to evaluate the performance of Whitetopping (Portland Cement Concrete pavement overlay) and a Superpave PG 76-22 mix design at an

Zastosowanie technologii whitetopping w aspekcie ...

Rigid Pavement Design & Rigid Pavement Joint Design, AASHTO [2] Mustaque H., Sharmin S., Extending Asphalt Pavement Life Using Thin Whitetopping, Kansas State University of Nebraska-Lincoln, grudzień [3] Illinois Department of Transportation, Maintenance, Repair and Rehabilitation, Pavement Technology Advisory Whitetopping PTA-M4, Pavement ...

PAVEMENT TECHNOLOGY ADVISORY - BONDED CONCRETE …

junction with a study on whitetopping (see PTA-M4). The BCO thicknesses ranged from 2.5 to 3.5 inches. IDOT ... PAVEMENT TECHNOLOGY ADVISORY - BONDED CONCRETE OVERLAY - PTA-M3. PTA-M3 (Eff. 10/1996, Rev. 02/2005) ... Pavement Technology Engineer Bureau of Materials and Physical Research 126 East Ash Street

Wisconsin Department of Transportation Transportation ...

Published monthly by the Federal Highway Administration (FHWA), Focus has expanded its scope and is now covering the implementation of innovative technologies in all areas of infrastructure. This includes bridge technology, pavement technology, asset management, program administration, winter maintenance, and work zone safety. Innovator

Peter Taylor | Institute for Transportation

About Peter. Dr. Taylor leads internationally recognized research at the National Concrete Pavement Technology Center. His high-impact work has resulted in the development of specifications such as the AASHTO Provisional Guide Specification for concrete mixtures for pavements and additional specifications for concrete processing additions. Additionally, his research has helped transportation ...

Analysis of climatic zones in Poland with regard to ...

Technology Transfer Program, University of California Berkeley, 2006. Guideline for the Design and Use of Asphalt Pavements for Colorado Roadways, 2 nd Edition. Colorado Asphalt Pavement Association, 2006. Pavement Technology Advisory - Performance Graded Binder Materials for Hot Mix Asphalt - PTA …

sands and gravels as subgrade material - deniseohlson.co.za

Nov 08, 2004· The fine-grained materials (silts and clays) can be problematic when used as pavement subgrade. Petrasic explained that, "due to their greater sensitivity to moisture and freezing, fine-grained soils do not provide the same long-term support to the pavement structure as …

pavement | Crossroads

Dec 13, 2018· The selection procedure, which is based on recommended practices from the National Concrete Pavement Technology Center, has six steps: Perform a desk review of available site data, including design, repair and environmental conditions. Obtain pavement core samples. Conduct site visits to examine existing conditions.

Roads and Bridges - Drogi i Mosty

Pavement Technology Advisory - Performance Graded Binder Materials for Hot Mix Asphalt - PTA-D4. Design, Construction and Materials, Illinois Department of Transportation, Bureau of Materials and Physical Research, 2005 ... Roads and Bridges - Drogi i Mosty, [S.l.], v. 16, n. 4, p. 245-264, dec. 2017. ISSN 2449-769X. Available at: < >.

how to repair ultra thin bonded hot mix overlay

–previously called ultra-thin whitetopping, UTW– Bonded Concrete Resurfacing of Composite Pavements minimal removal and preoverlay repair costs. In addition, the existing Thin concrete overlays can also be opened quickly in hot weather. 4. Inch for inch, …

4 States Airport Conference - Conference Presentations

4 States Airport Conference - Conference Presentations - 4 States Airport Conference Registration ... In addition the session will provide a brief overview of upcoming changes to other pavement advisory circulars as well as one way to report Pavement Classification Number (PCN) at GA airports, as presented in AC 150/5335-5C Standardized Method ...

Contracting Activity - Awards - Business Opportunities ...

Performance Evaluation for Construction Contractors / Construction Managers Policy: Performance Evaluations will be prepared for all contractors, subcontractors and construction management firms on Port Authority construction projects, and less than satisfactory ratings received during the previous three years will be considered in contract award determinations.

References | Falling Weight Deflectometer Usage | The ...

41 â Pavement Technology Advisory: Non-Destructive Testing with the Falling Weight Deflectometer, PTA-T1,â Bureau of Materials and Physical Research, Illinois Department of Transportation, Springfield, 2006, 2 pp. [Online].

UTW AND SASW FOR GENERAL AVIATION AIRPORT PAVEMENT ...

UTW AND SASW FOR GENERAL AVIATION AIRPORT PAVEMENT REHABILITATION. ... UTW is a relatively new technology, ... Airport Pavement Design and Evaluation, Advisory …

Study on Concrete Mix Design for Ultra Thin Whitetopping

Whitetopping refers to laying a thin concrete overlay directly on top of an existing distressed Hot Mix Asphalt (HMA) pavement (Julie 2002). Whitetopping is thus PCC resurfacing (overlay) as a rehabilitation or structural strengthening alternative on bituminous pavement is a real problem in hot climate like India, with heavy truck loads,

Schedule - American Concrete Pavement Association

Presiding: Steve Jackson, Strategic Advisory Committee Chair The committee will discuss top priorities and emerging issues facing the industry, along with progress reports from the ACPA task forces. All are welcome to attend. Task Force Updates "Concrete Pavement Industry Goal for Recycling/Reuse of Materials" – Discussion Leader…

Albia Municipal Airport – Pavement Management Report

Applied Pavement Technology, Inc. (APTech), with assistance from Robinson Engineering Company, updated the airport pavement management system (APMS) for the Iowa Department ... procedure is described in FAA Advisory Circular (AC) 150/5380-6C, Guidelines and ... or whitetopping. Often, when the PCI is less than 40, reconstruction is the only ...

Public Roads - New Software Promises to Put Whitetopping ...

The team established an additional expert advisory group, the White-topping Internal Technical Advisory Panel. ... Environmental modeling in the whitetopping software uses pavement profile temperature models based on technology similar to that used in FHWA's HIPERPAV system. (See "Paving the Way" on page 20.) ... For a whitetopping pavement to ...

Appendices to NCHRP Report 810: Consideration of ...

Appendices to NCHRP Report 810: Consideration of Preservation in Pavement Design and Analysis Procedures. Applied Pavement Technology, Inc. Urbana, IL . December 2014 Final Report Appendices ii Applied Pavement Technology, Inc. ... iv Applied Pavement Technology, Inc. Table H-1.

Missouri Concrete Association

Missouri Concrete Association National Accounts Streets and Local Roads ... Pervious Pavement • Education and Technology Transfer ... F.K.A. "Whitetopping" (formally known as Whitetopping) WWW. NRMCA.ORG Focus is on thin 2"-5" concrete overlays.

Pavement Manual: Treated Subgrade and Base Courses

"Guidelines for Modification and Stabilization of Soils and Base in Pavement Structures" is a document outlining the proper methodology of selecting, designing, and evaluating treated soils and base courses for pavement structures. This document also provides some basic knowledge on the various treatment methods, the goals of treatment, and ...

CHAPTER ONE – INTRODUCTION

Whitetopping is defined as the construction of a new portland Cement Concrete (PCC) over an existing flexible pavement. Whitetopping can be a technically and cost-advantageous rehabilitation alternative for badly deteriorated asphalt concrete at intersections, particularly for flexible pavements exhibiting instability, rutting, shoving, and ...

Whitetopping - Wikipedia

Whitetopping is the covering of an existing asphalt pavement with a layer of Portland cement concrete. Whitetopping is divided into types depending on the thickness of the concrete layer and whether the layer is bonded to the asphalt substrate. Unbonded whitetopping, also called conventional whitetopping, uses concrete thicknesses of eight ...

Publication: Development of Performance Curves for ...

May 21, 2019· The publication titled "Development of Performance Curves for Whitetopping in Minnesota" with Principal Investigator Thomas Burnham, Office of Materials and Road Research-Minnesota Department of Transportation (MnDOT) is a report on the research project of existing white topping projects in Minnesota.