Marquette University, Transportation Research Center

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Marquette Universitye-Publications@MarquetteTransportation Research Center: Noise & TextureStudies Transportation Technical Reports1-1-20012001 WisDOT Specifications - Marquette StaffIntroductionMarquette University, Transportation Research Center2001 WisDOT Specifications - Marquette Staff Introduction. Milwaukee, Wisconsin, MarquetteUniversity, Transportation Research Center (2001)._____Series Collection:2001 WisDOT Specs - Marq Staff Introduction (Current Page)2001 WisDOT Texture of PCC Pavements2001 WisDOT Construction NoteINTRODUCTION BY MARQUETTE TEAM - WISDOT TEXTURING SPECIFICATIONThe report “Noise and Texture on PCC Pavements - Results of a Six State Study” recommended arandom rake pattern varying from 10 mm to 76 mm (3" maximum spacing).In order to obtain a greater estimated texture depth (ETD) as discussed in the report, Wisconsin hasimplemented a random rake pattern varying from 10 mm to 51 mm (2" maximum spacing).  Thisrake pattern has been found to be satisfactory, and agencies desiring to use same may find thespacings of the individual tines on the rake contained in either document.  The recommended rakeis a 10' wide rake.   The 10' dimension insures most passenger cars will have a different tine spacingunder each axle, since wheel bases for most are under 10'.  The first is the “2001 Construction Notes” which covered projects during the first year of this newspecification, and has some of the background contained therein.  Wisconsin allows contractors touse either the skewed and transverse tined pattern recommended in the research results.The second report is the revised “Part 8.10, WisDOT Construction and Materials Manual” onconcrete pavement texturing.   Both have the revised tine rake pattern, with center to centerdimensions in mm (metric).   It should be noted that this pattern controls the tining rake, not thefinished tine pattern in the pavement, which may vary because of the twisting and bending of thetines.Users are referred to the WisDOT documents for exact wording and should use those for reference.

2001 WisDOT Specifications - Marquette Staff Introduction

https://epublications.marquette.edu/cgi/viewcontent.cgi?article=1004&amp;context=transportation_trc-noise

2001 WisDOT Specifications - Marquette Staff Introduction

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