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  • admin | Washington Asphalt Pavement Association
    emulsion to the surface of an aged oxidized pavement surface Full depth asphalt An HMA pavement structure using HMA products for all components The base material and surface courses are made of HMA instead of aggregate or other material FWD Falling Weight Deflectometer The FWD is an impact load device used to deliver a transient impulse load to the pavement surface and measure the resultant pavement response it s deflection by a series of sensors Geotextiles Fabric like materials used in the paving process Geotextiles are manufactured for specific uses and performance characteristics Some uses include stabilization of base material to prevent migration into sub grades retarding of reflective cracking in asphalt overlays and serving as a moisture barrier between pavement layers NPCA Gravel borrow Generally gravel borrow refers to high quality granular fill This granular fill may contain a substantial amount of soil but it is generally devoid of most clays silts and other deleterious material HIPR Hot In Place Recycling A pavement recycling method that heats and rejuvenates an existing pavement surface typically using propane radiant heaters and a rejuvenating agent in place then mixes and levels the recycled mix using a standard auger system HMA Hot Mix Asphalt A high quality thoroughly controlled hot mixture of asphalt binder and aggregate that can be compacted into a uniform dense mass HMAC Hot Mix Asphalt Concrete Another term for HMA Ice lens Subterranean ice crystals that form along the plane of freezing temperature Water migrates up from below where the temperature is above freezing then freezes once it reaches the freezing depth in a soil forming an ice lens Independent assurance A management tool that requires a third party not directly responsible for process control or acceptance to provide an independent assessment of the product and or the reliability of test results obtained from process control and acceptance testing The results of independent assurance tests are not to be used as a basis of product acceptance In situ In place in it s original location Isotropic Refers to properties that are the same regardless of the direction that is measured Properties that are the same everywhere JMF Job mix formula A recommended specified mixture of aggregate and asphalt binder Laydown The portion of the HMA paving process where the HMA is actually placed or laid down by the paving machine LEF Load Equivalency Factor The output from the ESAL equation This factor relates various axle load combinations to the standard 18 000 lb single axle load Leveling course A first lift applied to an existing pavement used to fill in ruts and make up elevation differences Lift A layer or course of paving material Linear Elastic A material property meaning that an object or material will return to or is capable of returning to an initial form or state after deformation in a linear manner e g a plot of a linear elastic material would show a straight line Almost no material is completely linearly elastic but many materials are linearly elastic over a certain range of stress strain Liquid limit The water content above which a soil behaves as a viscous liquid i e its shearing strength is negligible Macadam Type of early bituminous pavement named after its inventor a Scotsman named John McAdam 1756 1836 McAdam sometimes spelled Macadam pavements used smaller angular aggregate over larger angular aggregate over a well compacted sloped subgrade windows antivirus software Maltenes non polar or relatively low polarity molecules within asphalt cement Mat A term used to describe the fresh asphalt surface behind the paving machine Most commonly used to refer to the asphalt during the laydown and compaction phase of construction Mat tearing A term used to describe the pulling of the HMA under the screed of the paver Generally results in coarse textured streaks behind the paver Microsurfacing An advanced form of slurry seal that uses the same basic ingredients emulsified asphalt water fine aggregate and mineral filler and combines them with advanced polymer additives to produce a more capable end product Mineral filler Defined by the Asphalt Institute as a finely divided mineral product at least 65 percent of which will pass through a No 200 sieve Pulverized limestone is the most commonly manufactured mineral filler although other stone dust silica hydrated lime portland cement and certain natural deposits of finely divided mineral matter are also used Asphalt Institute 1962 MTV Material Transfer Vehicle Used to assist the paver in accepting HMA Most pavers are equipped to receive HMA directly however in certain situations it can be necessary or advantageous to use an MTV Paving using bottom dump trucks and windrows requires a windrow elevator MTV while other MTVs are used to provide additional surge volume which is advantageous because it allows the paver to operate continuously without stopping minimizes truck waiting time at the paving site and may minimize segregation and temperature differentials NAPA National Asphalt Pavement Association NAPA supports an active research program designed to improve the quality of HMA pavements and paving techniques used in the construction of roads streets highways parking lots airports and environmental and recreational facilities The Association provides technical educational and marketing materials and information to its Members as well as product information to users and specifiers of paving materials The Association whose members number more than 1 100 companies was founded in 1955 http www hotmix org NCAT National Center for Asphalt Technology NCAT was established at Auburn University in 1986 with an endowment set up by the NAPA Research and Education Foundation Its mission is to improve HMA performance through research education and information services http www eng auburn edu center ncat NFS Not frost susceptible Optimum moisture content In a soil the moisture content at which maximum density can be achieved PCC Portland cement concrete Permeability A property describing the degree to which a material can be permeated or penetrated especially by liquids or gases Perpetual pavement Long lasting HMA pavement Plasticity index PI the numerical difference between

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  • Washington Asphalt Pavement Association |
    any way with Read More Pavement Facts Posted by admin on Sep 18 2010 There are over 4 05 million public centerline road miles 8 52 million lane miles in the U S and of this 2 50 million miles or 63 percent are paved FHWA 2009 About 70 percent of Washington State roads are paved Pavement Purpose Typically pavements are built for three main Read More Member Benefits Posted by admin on Sep 13 2010 As a member of the Washington Asphalt Pavement Association WAPA you will have access to the latest technologies resources and innovations for the industry In addition to networking sessions where you can interact with your counterparts at local and state agencies WAPA plays an Read More Previous Next Economics Life Cycle Cost Posted by admin on Sep 15 2010 Today s current national and local economic conditions combining reduced funding with high infrastructure needs have elevated the importance of prudent spending Read More Environment Sustainable Pavement Posted by admin on Sep 13 2010 Asphalt is the sustainable material for constructing pavements From the production of the paving material to the placement of the pavement on the road to rehabilitation through Read More Engineering Perpetual

    Original URL path: http://www.asphaltwa.com/page/15/ (2016-04-26)
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  • admin | Washington Asphalt Pavement Association
    WAPA Paving Awards 2015 WAPA Awards Presentation https www dropbox com s knmggzvhxvd2e8p 2015 20WAPA 20Paving 20Awards 20PPT 2011 19 15 pptx dl 0 WAPA PAVING OF AWARDS 2015 PROJECTS PAVED IN 2014 ASSOCIATE AWARD Will Wintermute Modern Machinery Retired WAPA COMMERCIAL AWARD TARGET REGAL PLAZA REGAL PALOUSE HWY INLAND ASPHALT SPOKANE TARGET CORP WAPA COMMERCIAL AWARD HAXTON SMOKEHOUSE ROUNDABOUT GRANITE CONS T CO BELLINGHAM LUMMI NATION INNOVATIVE SPECIAL USE CHENEY STADIUM PARKING LOT PAVING POROUS ASPHALT ICON MATERIALS CITY OF TACOMA EXCELLENCE IN AIRPORT PAVEMENT MOSES LAKE MUNI AIRPORT RUNWAY OVERLAY GRANITE CONS T CITY OF MOSES LAKE EXCELLENCE IN AIRPORT PAVEMENT MCCHORD AIRFIELD NO RUNWAY THRESHOLD PAVING TUCCI SONS INC TACOMA USAF COUNTY EAST TIETON RD COWICHE RD TO NACHES RD GRANITE CONS T CO EASTERN WA YAKIMA COUNTY COUNTY WEST 164TH ST SW SE 14TH PL W TO SR 527 GRANITE CONS T CO EVERETT SNOHOMISH COUNTY CITY EAST 2014 CITYWIDE STREET RESURFACING COLUMBIA ASPHALT GRAVEL CITY OF YAKIMA CITY WEST EAST MARGINAL WAY SOUTH S 81ST PL TO S NORFOLK MILES RESOURCES PUYALLUP CITY OF TUKWILA WSDOT CERT OF MERIT EAST I 90 GRANT CO LINE TO SR 21 PAVING CENTRAL WASH ASPHALT MOSES LAKE WSDOT EASTERN REGION WSDOT CERT OF MERIT EAST I 90 BARKER RD TO IDAHO STATE LINE INLAND ASPHALT SPOKANE WSDOT EASTERN REGION WSDOT CERT OF MERIT WEST SR 522 SNOHOMISH RIVER BRIDGE TO US 2 VIC WIDENING SAFETY LAKESIDE IND MONROE WSDOT NORTHWEST REGION WSDOT CERT OF MERIT WEST SR 510 RESERVATION RD VIC INTERSECTION IMPROVEMENT LAKESIDE INDUSTRIES LACEY WSDOT OLYMPIC REGION WSDOT 1ST PLACE QUALITY EAST I 90 WEST OF GEORGE PAVING CENTRAL WASH ASPHALT MOSES LAKE WSDOT NORTH CENTRAL REGION WSDOT 1ST PLACE QUALITY WEST I 5 VICINITY TUMWATER BLVD TO GRAVELLY LAKE DR PAVING TUCCI SONS INC TACOMA WSDOT OLYMPIC REGION WSDOT SMOOTHNESS EAST I 90 BARKER ROAD TO IDAHO STATE LINE PAVING INLAND ASPHALT SPOKANE WSDOT EASTERN REGION WSDOT SMOOTHNESS WEST SR 530 SKAGLUND HILL VIC TO C POST RD VIC LAKESIDE IND ANACORTES WSDOT NW REGION CARL MINOR AWARD TOP PAVING AWARD I 5 VIC TUMWATER BLVD TO GRAVELLY LK DR PAVING TUCCI SONS INC TACOMA WSDOT OLYMPIC REGION 2014 WAPA Awards 2014 WAPA Statewide Paving Awards Projects paved in 2013 Special Category Awards ASSOCIATE AWARD CHRIS PEDERSEN CONSTRUCTION TESTING LABS INC WAPA COMMERCIAL AWARD Western WA PORT OF GRAYS HARBOR 2013 MARINE TERMINAL PAVING LAKESIDE INDUSTRIES ABERDEEN DIV PORT OF GRAYS HARBOR WAPA COMMERCIAL AWARD Eastern WA CLE ELUM ROSLYN ELEMENTARY BUS LANE COLUMBIA ASPHALT GRAVEL CLE ELUM ROSLYN ELEMENTARY INNOVATIVE SPECIAL USE BOW LAKE SOLID WASTE TRANSFER FACILITY ICON MATERIALS KING COUNTY SOLID WASTE DIVISION EXCELLENCE IN AIRPORT PAVEMENT Western WA TACOMA NARROWS AIRPORT TUCCI SONS INC PIERCE CO TACOMA NARROWS AIRPORT EXCELLENCE IN AIRPORT PAVEMENT Eastern WA WALLA WALLA REGIONAL AIRPORT GRANITE CONSTRUCTION CO PORT OF WALLA WALLA AIRPORT SPECIAL MERIT RENTON MUNICIPAL AIRPORT ICON MATERIALS CITY OF RENTON RENTON MUNICIPAL AIRPORT WAPA Washington State Association of County Engineers COUNTY EAST STRATFORD ROAD

    Original URL path: http://www.asphaltwa.com/author/admin/page/15/ (2016-04-26)
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  • Washington Asphalt Pavement Association |
    are over 4 05 million public centerline road miles 8 52 million lane miles in the U S and of this 2 50 million miles or 63 percent are paved FHWA 2009 About 70 percent of Washington State roads are paved Pavement Purpose Typically pavements are built for three main Read More Member Benefits Posted by admin on Sep 13 2010 As a member of the Washington Asphalt Pavement Association WAPA you will have access to the latest technologies resources and innovations for the industry In addition to networking sessions where you can interact with your counterparts at local and state agencies WAPA plays an Read More Previous Next Economics Life Cycle Cost Posted by admin on Sep 15 2010 Today s current national and local economic conditions combining reduced funding with high infrastructure needs have elevated the importance of prudent spending Read More Environment Sustainable Pavement Posted by admin on Sep 13 2010 Asphalt is the sustainable material for constructing pavements From the production of the paving material to the placement of the pavement on the road to rehabilitation through Read More Engineering Perpetual Pavement Posted by admin on Sep 13 2010 The Perpetual Pavement concept was first articulated

    Original URL path: http://www.asphaltwa.com/page/16/ (2016-04-26)
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  • admin | Washington Asphalt Pavement Association
    and Materials West Conshohocken PA United States Department of Transportation USDOT 2000 Comprehensive Truck Size and Weight Study United States Department of Transportation Washington D C Available at http www fhwa dot gov reports tswstudy index htm Bloomquist D Diamond G Oden M Ruth B and Tia M 1993 Engineering and Environmental Aspects of Recycled Materials for Highway Construction Western Research Institute for U S Department of Transportation Federal Highway Administration McLean VA and U S Environmental Protection Agency Cincinnati OH Federal Highway Administration 2001 Reclaimed Asphalt Pavement User Guideline Asphalt Concrete Hot Recycling Web page on the Turner Fairbanks Highway Research Center web site http www tfhrc gov hnr20 recycle waste rap132 htm Accessed 16 October 2010 Federal Highway Administration FHWA 1998 Assessing the Results of the Strategic Highway Research Program Publication No FHWA SA 98 008 Federal Highway Administration Washington D C Northeast Center for Excellence for Pavement Technology NECEPT 2004 Superpave System Web page on the NECEPT web site The Pennsylvania Transportation Institute Pennsylvania State University University Park PA http www superpave psu edu superpave system html Accessed 12 October 2010 National Stone Sand and Gravel Association NSSGA 1991 The Aggregate Handbook National Stone Sand Gravel Association Arlington VA National Stone Sand and Gravel Association NSSGA 2010 What is NSSGA From the NSSGA Web site http nssga org communications whoweare cfm Accessed 12 October 2010 Roberts F L Kandhal P S Brown E R Lee D Y and Kennedy T W 1996 Hot Mix Asphalt Materials Mixture Design and Construction National Asphalt Pavement Association Education Foundation Lanham MD Asphalt Institute 1962 The Asphalt Handbook Manual Series No 4 MS 4 Asphalt Institute Lexington KY Handy R L 1995 The Day the House Fell ASCE Press New York Asphalt Institute 1997 Mix Design Methods for Asphalt Manual Series No 2 MS 02 Asphalt Institute Lexington KY Asphalt Institute 2001 Superpave Mix Design Superpave Series No 2 SP 02 Asphalt Institute Lexington KY Highway Research Board 1961 The AASHO Road Test Report 1 History and Description of the Project Special Report 61A Highway Research Board National Academy of Sciences Washington D C Transportation Research Board TRB 2001 Perpetual Bituminous Pavements Transportation Research Circular No 503 Transportation Research Board National Research Council Washington D C http www asphaltalliance com Transportation Research Board TRB 2000 Hot Mix Asphalt Paving Handbook 2000 Transportation Research Board National Research Council Washington D C Texas Department of Transportation TxDOT 2001 Technical Advisory Proper Use of Tack Coat Technical Advisory 2001 1 Texas Department of Transportation Austin TX Scherocman J A 1984 March Guidelines for Compacting Asphalt Concrete Pavement Better Roads Vol 54 No 3 pp 12 17 Scherocman J A and Martenson E D 1984 Placement of Asphalt Concrete Mixtures Placement and Compaction of Asphalt Mixtures F T Wagner Ed ASTM Special Technical Publication 829 American Society for Testing and Materials Philadelphia PA pp 3 27 Geller M 1984 Compaction Equipment for Asphalt Mixtures Placement and Compaction of Asphalt Mixtures F T Wagner Ed ASTM

    Original URL path: http://www.asphaltwa.com/author/admin/page/16/ (2016-04-26)
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  • Washington Asphalt Pavement Association |
    way with Read More Pavement Facts Posted by admin on Sep 18 2010 There are over 4 05 million public centerline road miles 8 52 million lane miles in the U S and of this 2 50 million miles or 63 percent are paved FHWA 2009 About 70 percent of Washington State roads are paved Pavement Purpose Typically pavements are built for three main Read More Member Benefits Posted by admin on Sep 13 2010 As a member of the Washington Asphalt Pavement Association WAPA you will have access to the latest technologies resources and innovations for the industry In addition to networking sessions where you can interact with your counterparts at local and state agencies WAPA plays an Read More Previous Next Economics Life Cycle Cost Posted by admin on Sep 15 2010 Today s current national and local economic conditions combining reduced funding with high infrastructure needs have elevated the importance of prudent spending Read More Environment Sustainable Pavement Posted by admin on Sep 13 2010 Asphalt is the sustainable material for constructing pavements From the production of the paving material to the placement of the pavement on the road to rehabilitation through Read More Engineering Perpetual Pavement

    Original URL path: http://www.asphaltwa.com/page/17/ (2016-04-26)
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  • Washington Asphalt Pavement Association |
    to maintenance It is intended to assist those who work in any way with Read More Pavement Facts Posted by admin on Sep 18 2010 There are over 4 05 million public centerline road miles 8 52 million lane miles in the U S and of this 2 50 million miles or 63 percent are paved FHWA 2009 About 70 percent of Washington State roads are paved Pavement Purpose Typically pavements are built for three main Read More Member Benefits Posted by admin on Sep 13 2010 As a member of the Washington Asphalt Pavement Association WAPA you will have access to the latest technologies resources and innovations for the industry In addition to networking sessions where you can interact with your counterparts at local and state agencies WAPA plays an Read More Previous Next Economics Life Cycle Cost Posted by admin on Sep 15 2010 Today s current national and local economic conditions combining reduced funding with high infrastructure needs have elevated the importance of prudent spending Read More Environment Sustainable Pavement Posted by admin on Sep 13 2010 Asphalt is the sustainable material for constructing pavements From the production of the paving material to the placement of the

    Original URL path: http://www.asphaltwa.com/page/18/ (2016-04-26)
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  • Washington Asphalt Pavement Association |
    on Sep 18 2010 There are over 4 05 million public centerline road miles 8 52 million lane miles in the U S and of this 2 50 million miles or 63 percent are paved FHWA 2009 About 70 percent of Washington State roads are paved Pavement Purpose Typically pavements are built for three main Read More Member Benefits Posted by admin on Sep 13 2010 As a member of the Washington Asphalt Pavement Association WAPA you will have access to the latest technologies resources and innovations for the industry In addition to networking sessions where you can interact with your counterparts at local and state agencies WAPA plays an Read More Previous Next Economics Life Cycle Cost Posted by admin on Sep 15 2010 Today s current national and local economic conditions combining reduced funding with high infrastructure needs have elevated the importance of prudent spending Read More Environment Sustainable Pavement Posted by admin on Sep 13 2010 Asphalt is the sustainable material for constructing pavements From the production of the paving material to the placement of the pavement on the road to rehabilitation through Read More Engineering Perpetual Pavement Posted by admin on Sep 13 2010 The Perpetual

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