necessary to complete the construction of hot mix asphalt concrete pavement consisting of one or more courses on a previously prepared base seal coat of asphalt cement and cover aggregate and bituminous surface treatment in single or multiple cours Article 12 Applicable Standards
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Concrete Asphalt weighs 2243 gram per cubic centimeter or 2 243 kilogram per cubic meter ie density of concrete Asphalt is equal to 2 243 kg/m³ In Imperial or US customary measurement system the density is equal to 140 pound per cubic foot [lb/ft³] or 1297 ounce per cubic inch [oz/inch³]
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bituminous concrete hot plant mix asphalt concrete blacktop or Superpave Asphalt pavements are constructed of one or more courses of hot mix asphalt placed directly on the subgrade or on dry weight density as determined by AASHTO Designation T
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Is the pavement structure (subgrade subbase base and all asphalt layers) adequate to support the loads? You need to purchase our MS 23 Manual Thickness Design of Asphalt Pavements for Heavy Wheel Loads Is the hot mix asphalt surface stiff enough to resist deformation (ruts or indentations)?
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Multiply the volume by the density to calculate asphalt weight per cubic yard NAPA estimates an average asphalt density of 145 pounds per cubic foot or 3 915 pounds per cubic yard
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May 09 2016· So the paving industry relies on compaction to increase pavement density to extend pavement life As a result of the compaction process the asphalt coated aggregate particles in
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When the relative density deviates from that specified by more than 5 percent remove and replace that section of asphalt concrete pavement in accordance with specifications at no additional cost to the Owner 2 Asphalt Cement Content Deviations from specifications will be based on the average values of acceptance testing performed for each lot
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Mar 06 2002· Hot mix asphalt density was selected as a review topic for our 2002 joint review program Attaining proper density of hot mix asphalt is critical to assuring the long term durability of the completed pavement Our review scope procedures and guidelines are attached
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criteria for asphalt concrete and composite pavements and for gravel roads The following form can be used by inspectors to record distresses (and the evaluation for a local road in relatively good condition) Ride Comfort Rating Ride comfort is a subjective assessment of how the public would rate the quality of the pavement continued on
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The density of asphalt pavement mixtures does vary depending on mix proportions and the type of aggregate If you do not know the in place density of mixes you must ask your supplier To determine the weight of material multiply the volume by the density of material Weight = Volume × Density
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Overview The theoretical maximum specific gravity (Gmm) of a HMA mixture is the specific gravity excluding air voids Thus theoretically if all the air voids were eliminated from an HMA sample the combined specific gravity of the remaining aggregate and asphalt binder would be the theoretical maximum specific gravity Theoretical maximum specific gravity can be multiplied by the density of
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Asphalt concrete (commonly called asphalt blacktop or pavement in North America and tarmac bitumen macadam or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads parking lots airports as well as
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When the relative density deviates from that specified by more than 5 percent remove and replace that section of asphalt concrete pavement in accordance with specifications at no additional cost to the Owner 2 Asphalt Cement Content Deviations from specifications will be based on the average values of acceptance testing performed for each lot
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Jul 01 2001· Density differentials are a primary concern in hot mix paving If temperature differentials exist but the finished pavement has a uniform density of 93% or greater for dense graded mixes then the pavement should serve its intended purpose for its intended length of time
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0074500 716 Section 00745 Asphalt Concrete Pavement Statistical Acceptance Description 0074500 Scope This Work consists of constructing one or more Courses of hot mix or warm mix asphalt concrete Pavement plant mixed into a uniformly coated mixture laid on a prepared
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Asphalt or bitumen is a gummy black viscous semi solid material used primarily in road pavement construction waterproofing or as a mastic or glue According to the bitumen industry 85% of all bitumen used world wide is mixed with aggregate filler and used in asphalt pavements and 10% is used for
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Hot mix asphalt (HMA) pavement refers to the bound layers of a flexible pavement structure Asphalt pavement material is a precisely engineered product composed of about 95 percent stone sand and gravel by weight and about 5 percent asphalt cement a petroleum product Asphalt cement acts as the glue to hold the pavement together
[Get price]The Minnesota Department of Transportation provides its home page with links to its regional offices bid letting construction future highway plans hot topics jobs library licensing information map sales news public meetings research road & travel information and related links
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Jul 01 2001· Density differentials are a primary concern in hot mix paving If temperature differentials exist but the finished pavement has a uniform density of 93% or greater for dense graded mixes then the pavement should serve its intended purpose for its intended length of time
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Hot Mix Asphalt Pavement Mixtures pavements and can perform well when used as a thin overlay on a continuously reinforced concrete pavement (CRCP) plotting the asphalt vs density curve and selecting the binder content that corresponds to the specified target laboratory molded density
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Effect of Compaction on Asphalt Concrete Performance ROBERT N LINDEN }OE P MAHONEY AND NEWTON c JACKSON This paper presents information on how compnction (specifi cally air voids) influences the performance of dense asphalt concrete pavement surfac The information is
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The Asphalt Pavement Association of Oregon is a non profit trade association representing contractors and associated firms APAO was formed in 1969 by a small group of asphalt paving contractors to develop improved specifications and products The Association and its members are dedicated to promoting asphalt pavements by developing pro
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The need for adequate compaction of asphalt concrete has been recognized since the very beginning of asphalt pavement construction The first asphalt pavements in the United States were built around 1870 and the first successful tandem steam roller was built in 1875 Since
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Method Statement for Asphalt Paving Works are given below Scope The scope of work of this method statement is to describe the responsibilities of personnel involved execution procedure safety factors and documents to be recorded for Asphalt Paving Works
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DENSITY OF ASPHALT CONCRETE HOW MUCH IS NEEDED? E Ray Brown INTRODUCTION Background The amount of voids in an asphalt mixture is probably the single most important factor that affects performance throughout the life of an asphalt pavement The voids are primarily
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