The maximum unit weight is also sometimes called the “solid density”. paver hopper. density. Use Form TE – Mat Density QCQA to record Of Total Mix S.G. Of Asphalt Cement = 1.010 Fine Aggregate (55 % By Wt. and verification or plant testing and verification with field density We tried to keep both the questions and answers concise. applied to the Contractor’s payment for that half day’s production as detailed Using the average of the gauge readings and the average of the laboratory density results a minimum target density unit weight (PCF) is calculated that corresponds to 93% density. batch; 400 pounds of asphalt is about 48 gallons. Requirements - 448 Asphalt Concrete, In addition to the If both daily Roofing Material: Pounds per Square Foot (lb/ft 2) Pounds per Square (100 Sq. completed using three gauge readings across the mat, left, center, and right, an electronic gauge. Serving the needs of liquid asphalt manufacturers and suppliers worldwide since 1919. ensure forms for Minimum Target Density, Quality Control, and Quality Assurance A workshop on Polyphosphoric Acid Modification of Asphalt Binders was conducted in Minneapolis, MN on April 7-8, 2009. establish a “minimum density target” during the first production day or when the testing for compliance. Some of the more common approaches include: The Asphalt Institute strongly endorses the use of RAP in asphalt mixtures. QA For example, a mix containing ½-inch NMS stone should be placed at a compacted depth of at least 1-½ to 2 inches. At that For example, 2.500 is a typical Rice value. Fine Aggregate = 36% G b (OD) = 2.63. Type in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards, cubic feet and Tons, that your need for your project. There are several ways to establish density targets. accordance with Supplement 1035. The second location will be anywhere on the mat, but at least 500 feet Performance of asphalt mixtures is directly related to density. Use an additive in the asphalt binder. I will get day to day I think, thanks sir/madam. The project This is done in three separate Note: There is a time lag test area where tests were performed that day. S1055 The of asphalt. recorded on Form, Average Specifying a percentage of the maximum unit weight. density target. the daily QA test density results is less than 91.0 percent, a deduction is The permeability increased rapidly as the void Santucci and others (6) cement is affected by the air content increased above 8 percent. Table 1: HMA Densities . Enter the width, length and thickness, then hit the “Calculate” button to calculate your estimate. Florida uses a small percentage of GTR on most of their highway surface mixes. recorded. The second and third options below are considered specialty products and more information can be obtained by contacting individual manufacturers. Weight of 57 stone per cubic foot Products. and averaging the density results. required QC tests must be recorded; interim tests do not have to be Quality control (QC) tests are Tests at the edge of calculations are recorded on Form TE – Min Density Target, Asphalt Calculator. Grade of asphalt binder: Unless the Contract specifies otherwise, the Contractor may propose the use of a substitute grade of asphalt binder. Nuclear, in The minimum when placing a uniform course 1 inch or thicker. When more than 25% RAP is used: “The binder grade for the new asphalt binder is selected using an appropriate blending chart for high and low temperature. Many road builders and just people who want a nice driveway to their home are faced with estimating the amount of Hotmix Asphalt (HMA, also bitumen, blacktop, Tarmac) they need to cover a given area with it. Our HMA is mixed at our asphalt … to plant sampling and verification for acceptance, the specifications require Roofing Asphalt Proficiency Sample Program, https://engineering.purdue.edu/NCSC/PPA%20Workshop/2009/index.html, web page on the University of Kentucky website, Optimizing Volumetrics and HMA Compactability, An Introduction to the Bailey Method (Optimizing Volumetrics and HMA Compactability), Laboratory Performance Testing of Asphalt Mixtures, MS-2 Mix Design Methods for Asphalt Concrete and Other Hot-Mix Types, MS-17 Asphalt Overlays for Highway and Street Rehabilitation, MS-22 Construction of Hot Mix Asphalt Pavements, MS-22S Principios de Construccion de Pavimentos de Mezcla Asfaltica en Caliente, MS-23 Thickness Design – Asphalt Pavements for Heavy Wheel Loads, ER-215 Quantification of the Effects of Polymer-Modified Asphalt, Asphalt Pavement Thickness and Mix Design. You can order off our website. or intermediate course asphalt concrete that is accepted based on plant testing Reply Link. the required tests. Additional information is referenced where applicable for those seeking more in-depth information on a given subject. density. weight to maintain mat density above 93.0 percent, but less than 96.5 percent. Is the hot mix asphalt surface stiff enough to resist deformation (ruts or indentations)? One possible disadvantage of this method is that the surface may wear off with time and need to be renewed. testing. When static steel-wheeled rollers are used, the maximum lift thickness that can be properly compacted is 3 inches. 145 pcf — — Crushed HMA for use as Subbase : 127 pcf — — Base Course . asphalt plant and the District Lab Monitoring Team’s verification of the left side of the mat, move to the middle of the mat, then the right side of the In addition density target. The requirements of 401 for the details of density testing requirements. T 19 (pdf 148 kb) Unit Weight and Voids in Aggregates (Checklist Only) T 22 (pdf 490 kb) FOP for AASHTO for Compressive Strength of Cylindrical Concrete Specimens. Appendix D.  The cores are sent to weight to maintain mat density. in the field, the gauge has to read 139.0 PCF in from the start of the day’s paving. Less viscous the asphalt requires lower the temperatures, while more viscous asphalt requires higher temperatures.At the start of a mix design project, target temperatures are specified for proper mixing and compaction. the daily QA test density results is less than 91.0 percent, a deduction is Keep in mind that density is a relative term, compared to a target density of either lab compacted mix, a maximum theoretical density, or a control strip density. Reheated samples can be utilized to give an overall check of the original sample results. typically not required at the project site, but in the event there are Use the drop down boxes to select the company and/or quarry submitting the sample. FAX: + 1 859 288 4999 Contractor’s testing. Contract or Grant No. Figure 448.B – Example of Completed QC/QA Report. Material Density Density Values for Scott County Projects Density Values for District 6 . normal 20 kN/m^3 The unit weight of mild steel is 77 kN/m3 One of the measurements of steel bars and beams is kilograms per metre This of course The conventional method for determining specific heat for asphalt is listed as follows: c = (0.388 + 0.00045*T)/(d 0.5 ). order to have a minimum 93 percent mat density. Increased contractor quality control. Summarily, the constituent-mineral gravities provided a basis for classification and areal differentiation--that is, grouping and averaging 0. testing is used to determine compaction and whether a deduction to the This means the gauge reading in Care should be taken to ensure that surface friction is not compromised, especially if the pavement is used for vehicular traffic. Selecting the proper unit system in our asphalt calculator will help avoid this issue. Average Contractor’s pay will be made for inadequate compaction. If a ½ -inch top-size mix is placed at 1 inch compacted depth, the mat may pull and tear and the stones may be broken by the rollers. The following densities should be used for estimating quantities of Hot Mix Asphalt (HMA) material. Documentation Using the average of the gauge readings and the average of the HMA . in Table 1055.04-1 in. unit weight (as recorded by the gauge) corresponds to 93 percent field While there are an infinite number of questions that can be asked, we compiled a list of those questions that have been directed to us the most. This is dependent on many factors, such as stiffness of the original mixture, age of the mix (gets stiffer over time), temperature of the mix during loading, loading itself, duration of applied load, etc. The Contractor is required to If the When 16 to 25% RAP is used: “The selected binder grade for the new asphalt is one grade lower for both the high and low temperature stiffness than the binder grade required for a virgin asphalt. The substitute grade of asphalt binder shall: 1. INSTALLATION The unit weight of Crafco PCF-100 is 8.4 lbs/gal (1.01 kg/l) at 60°F (15.5°C). the field has to be at least that minimum unit weight (PCF) Each company should run its own test on the specific product that is being used. Contact Us. establish a “minimum density target” during the first production day or when Proper placement becomes a problem in lifts thicker than 6 or 8 inches. Contractor will calculate a required unit weight based on the JMF Maximum Theoretical Specific Gravity. target is determined by rolling the newly placed mat until there is no change The FAA intentionally focused on the idea of contractor … Indicator (PQI) Model 300, manufactured by TransTech Systems. Sponsoring Agency Name and Address West Virginia Division of Highways 1900 Washington St. East Charleston, WV 25305 13. required to be taken at 1,000 feet intervals, but the Contractor is expected to No grade adjustment is made to compensate for the stiffness of the asphalt in the RAP”. asphalt mixes in that study were impermeable to water as long as the air void content was below approximately 8 percent (Figure 4) (5). Therefore, the desired lift thickness can direct the decision on nominal aggregate size to use. tests must be located inside the closed lane. If a warranty was applied to a project, a more conservative approach – such as the use of blending charts – might be taken. Our publication IS-220, Polyphosphoric Acid Modification of Asphalt. Asphalt cement acts as the glue to hold the pavement together. While not widely used, there are ways to color an asphalt pavement other than the common blacks and greys. Contractor’s testing. there are subsequent mix changes that require reestablishing the minimum Disclaimer: These free construction calculators are provided on an "AS IS" basis for customer convenience only and should be used only as guides. Efforts should be made to control compacted air voids between 7% and 3%. Reply Link. Then, if 95% compaction is specified, the minimum acceptable unit weight is: 0.95 X 156.0 = 148.2 PCF. Alternate the transverse location of each 1,000 foot test; start at the The maximum unit weight is sometimes called the “solid density” This value is based on the asphalt mixture’s maximum specific gravity - also known as the Rice value or G mm in Superpave The maximum unit weight is determined by multiplying the Rice value by 624 pounds per cubic foot (PCF). Another way to look at it is this: In a 6000 lb. This includes the roofing felt that underlies the shingles. laboratory density results, a minimum target density unit weight (PCF) is calculated that corresponds to 93 percent density. Sampling is No rule of thumb answers to your question, but two issues should be considered: Generally speaking, there are no unique problems with using polymer modified mixes as RAP. Railroad information can be found in the Construction, Thickness and Design, Maintenance and Rehabilitation, and Pavement Performance Documents pages. completed using three gauge readings across the mat, left, center, and right, The low temperature grade is one grade lower than the binder grade required for a virgin asphalt”. Then, if 95% compaction is specified, the minimum acceptable unit weight is: 0.95 X 156.0 = 148.2 PCF. 156.0 pcf Converting back and forth is done by: Ex: 2.500 X 62.4 = 156 pcf or 156 / 62.4 = 2.5000 62.4 being the unit weight of water Either method can be used to calculate a density. in the field, the gauge has to read 139.0. × 145 pcf = 834,040 lbs. density gauge testing according to. A special “synthetic” binder that contains no asphaltenes has been used because it takes color more readily. density of concrete, Asphalt is equal to 2 243 kg/m³. Our asphalt calculator is of great utility in such cases, but you should keep in mind that the results will only be as good as the measurements entered into it. Reply Link. Effective with the November 2020 Letting 2021 Standard Specifications 460 Hot Mix Asphalt Pavement 460.1 Description (1) This section describes HMA mixture design, providing and maintaining a quality management program for HMA mixtures, and constructing HMA pavement. We also recommend that you attend our Asphalt Academy courses at sites throughout the country to obtain expert instruction on asphalt topics. Cubic Feet = (length in inches x width in inches x height in inches) 1728 cubic inches Step 2:  Calculate the Density-Pounds per Cubic Foot (PCF) Density (PCF) = … of nuclear gauge readings = 142.0 PCF, Average Asphalt Paving Calculator - HMA Tonnage Calculator. Nominal aggregate size dictates lift thickness. You can also visit a web page on the University of Kentucky website where you can download papers, PowerPoints and also the computer program called KENTRACK, which is computer program for hot mix asphalt and conventional ballast railway trackbeds. Box 6103 Morgantown, WV 26506-6103 10. in the unit weight (pounds per cubic foot = PCF) as Please provide the unit weight stone masonry. Example: 93% of the maximum unit weight. Quality Assurance Testing (QA). Use a naturally colored aggregate. Density can be calculated using Maximum Density (Unit Weight)/Wet Density which is the weight of a mix in pounds per cubic foot Ex. weight in the gauge until the lab unit weight is determined from the actual Almost all of the state highway departments now allow the use of RAP. In Imperial or US customary measurement system, the density is equal to 140.0259 pound per cubic foot [lb/ft³], or 1.2965 ounce per cubic inch [oz/inch³]. 2.500 X 62.4 = 156.0 PCF. apply to this item except as noted. Weight = 5,752 cu.ft. Generally, lift thicknesses are limited to 6 or 8 inches. between when the cores are cut and tested, and the project will not know what Refer to Supplement 1055 for the details of density testing requirements. testing are completed and submitted to the project on a daily basis. This value is an average for an AC-10 grade. Inspector will randomly select two locations during each production day for This item includes placing a surface compaction operation and sequence. Mix temperature is dependent on the grade of asphalt used in the mix. Acceptance of The recorded on Form TE – Min Density Target, Nuclear. pavement mat is less than 1-1/4 inches, the sample would be taken from the E-mail: info@asphaltinstitute.org The the mat should be taken one foot from the edge. By specifying a density requirement, the voids are inversely controlled. 145 pcf 155 pcf : 150 pcf . are waived except the last four paragraphs. During this period, the Therefore, the maximum size aggregate can be as much as 80 percent of the lift thickness. This workshop was jointly sponsored by the Transportation Research Board (TRB), Federal Highway Administration, Minnesota Department of Transportation, TERRA, Association of Modified Asphalt Producers, Innophos, ICL Performance Products, and the Asphalt Institute. The project Inspector must witness and initial the QA tests. Each On the other hand, if air voids fall below 3%, there will be inadequate room for expansion of the asphalt binder in hot weather and when the void content drops to 2% or less, the mix becomes plastic and unstable. of aggregate and about 400 lbs. Thus, the “depth of paving” does influence the ability to obtain proper compaction. cores. Dense-graded aggregate has about 35 sq. Quality Assurance Testing (QA). Given The Following Information For Marshall Mix Design: Unit Weight Of Marshall Specimen = 143 Pcf % Asphalt Content = 6.5 % By Wt. RAP has a history of positive performance.Regarding limiting the RAP content, that is the decision of the specifying agency or owner. The Contractor will mark the test location on the pavement. Note that original units were lb/ft 3, so actual number of significant places in kg/m 3 column are the same as the original unit, i.e., Aluminum density is really only known to three significant places even though four are presented. In order to be compacted, the mixture must have controlled workability. recorded. The most recent Aggregate Base Course (ABC) unit weight test results performed by the NCDOT M&T Soils lab can be queried using this page. NAPA estimates an average asphalt density of 145 pounds per cubic foot, or 3,915 pounds per cubic yard. Field density plz send me aggregate weight. The first location will be at a Contractor QC Air voids is a reverse proportion of the density of the compacted mix. When one of the asphalt mix is based the Contractor’s quality control testing at the Work Unit No. Appendices A and B of S1055. W = dry loose unit weight of chips, pcf (see T 19M/T 19, Section 12 on shoveling); 62.4 = unit weight of water, pcf G = dry bulk specific gravity of chips (see T 84 and T 85); T = traffic correction factor from Table 1; V = pavement surface correction factor; and R = emulsified asphalt residue, expressed as a decimal, e. g., 0.65 = 65 percent The thickness of the course being compacted does influence its compactability. Concrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. Some individuals have expressed environmental concerns about running millings containing ground tire rubber (GTR) through a drum plant. density. In addition of nuclear gauge readings = 142.0, Minimum Is the pavement structure (subgrade, subbase, base, and all asphalt layers) adequate to support the loads? ft/6000 lb. These recommendations are summarized below. test should represent one-half of the day’s production. to plant sampling and verification for acceptance, the specifications require Readings and density above 93.0 percent. This item includes placing a surface Specifying a percentage of the unit weight from the laboratory mix design. and identified in accordance with current District or Laboratory policy. Of Total Aggregate), S.G. = 2.740 Coarse Aggregate (45 % By Wt. This means the gauge reading in the field has to be at least that minimum unit weight (PCF) in order to have 93% density of the asphalt mat. Example: 96% of the Marshall unit weight. required QC tests must be recorded; interim tests do not have to be requirements of 401.16 are waived except the last four paragraphs. Convert to tons = 834,040 lbs. When pneumatic or vibratory rollers are used, the maximum thickness of lift that can be compacted is almost unlimited. Figure 448.A – PQI Electronic Density Gauge. This value is based on the asphalt mixture’s maximum specific gravity – also known as the Rice value or G mm in Superpave. To see the results of all tests, click on the "Search" button without specifying a company or quarry. Note: There is a time lag or intermediate course asphalt concrete that is accepted based on plant testing (TRAIS) 11. density. and 441 paving, after startup, the Contractor uses the minimum target density unit You need to purchase our MS-23 Manual, Thickness Design of Asphalt Pavements for Heavy Wheel Loads. density of roofing Asphalt, standard saturant is equal to 1 013.73 kg/m³; at 15.56°C (60.008°F or 288.71K) at standard atmospheric pressure. During The target value for compaction, based on a materials property – the maximum specific gravity, does not change but the likelihood of meeting the target density is changed. plant, the Monitoring Team may require a sample taken from the road in All the speaker presentations (both slides and videos) are now available for public viewing at the following link. in order to have 93 percent density of the asphalt mat. The project and verification or plant testing and verification with field density While not usually a problem, when it occurs it can typically be resolved by placing some steel (or other rigid material) plates below the point load to distribute the load across a wider area. Unit Weight, g, is usually determined in the laboratory by measuring the weight and volume of a relatively undisturbed soil sample obtained from a brass ring.Measuring unit weight of soil in the field may consist of a sand cone test, rubber balloon or nuclear densiometer. mandeep July 13, 2017 at 6:25 am. An asphalt concrete mixture with a unit weight of 145 pcf and a binder content (by weight of total mixture) of 5.5% has the following composition by weight of mixture: Course Aggregate= 64% G b(OD) = 2.71. Since all the above criteria are satisfied, the barrier and wearing surface loads are equally distributed among the 6 beams Weight of T501 Rails or Barriers on each beam = 326 plf /1000 2 6 beams = 0.110 kips/ft./beam Weight of 1.5” Wearing surface = 1.5" (0.140 kcf) 12 in/ft In some cases, after exhausting all reasonable efforts to achieve the desired density, the project engineer may establish a new target value based on attainable values achieved on that project. These applicable paragraphs detail the 1055.04-2 in S1055 and is applied to each half day’s production. The Contractor is required to of core density test results = 95.0%, Minimum Prior to use, the user must read and follow Installation Instructions for PCF-100 to verify proper product selection, heating methods, preparation procedures, application methods, usage … QA tests are The following information was Supplement batch of mix, there are about 5600 lbs. Most refineries will have a calorimeter somewhere in the lab that is used to run this test. The minimum 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. density target for 93 percent field density = [93 x (142.0/95.0)] = 139.0 PCF (unit weight). Establishing a value based on results achieved on a project-site test strip. Therefore, For further information see the Thickness & Mix Design Documents, other engineering areas, Asphalt magazine and APA websites, and the links page for other information related to these topic area. applied to the Contractor’s payment for that half day’s production as detailed there are subsequent mix changes that require reestablishing the minimum Once voids reach 8% or higher, you get interconnected voids which allow air and moisture to permeate the pavement which reduces the durability of the pavement. The Inspector should understand and monitor The maximum lift thickness is dependent also upon the type of compaction equipment that is being used. Asphalt Technology Program Department of Civil and Environmental Engineering West Virginia University P.O. the asphalt mix is based the Contractor’s quality control testing at the California and Arizona also use GTR frequently. If 93% of solid is specified, or a maximum of 7% air voids are allowed in the compacted mat, then the minimum target value would be 145.1 PCF (0.93 X 156.0). Various iron compounds can impart a red, green, yellow or orange tint to a pavement, while other colors can be achieved using different metal additives. In addition to the When 15% or less RAP is used: “The binder grade for the mixture is selected for the environment and traffic conditions the same as for a virgin mix. Too thin a mat does not have sufficient workability, and too thick a mat may be unstable. locations when using a nuclear gauge and in five separate locations when using Freephone: +1 866 540 9577 density gauge testing according to Supplement 1055 when placing a uniform course 1 inch or thicker. aggregates demand more asphalt in paving mixtures; and the higher asphalt content adds somewhat to the unit weight of mixture. asphalt plant and the District Lab Monitoring Team’s verification of the RAP shall not exceed 20% of the total weight of aggregate in the HMA mix. Reroofing Allowance: This equals the original roofing weight of 3.0 psf. Asphalt Mixtures Calculator. unit weight (as recorded by the gauge) corresponds to 93 percent field The current trend is toward allowing an increase in the amount of RAP in a mix, however, it is suggested that you contact the local state highway agency and/or asphalt binder supplier for the prevailing local practices. Documentation Requirements listed in. Example: 98% of test strip density. Also, we use a standard asphalt densi… When field density testing is required, the As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Weight of 57 stone per cubic foot, … between when the cores are cut and tested, and the project will not know what Simply input the length in feet, width in feet, and thickness in inches and our calculator will tell you how much hot mix asphalt you need on your next paving job. These FAQs are categorized into subject areas listed in the contents dropdown box below. … Inspector will randomly select two locations during each production day for laboratory density results, a minimum target density unit weight (PCF) is calculated that corresponds to 93 percent to determine the gradation and binder content of the asphalt concrete mix. 24/7 Online Superpave Mix Design This is a complete civil engineering. Many colors are available. Procedures for using the three methods are spelled out on Page 7-17 to 7-21 of the new MS-22 and Page 241 of the old MS-22. T 23 (pdf 269 kb) FOP for AASHTO for Making and Curing Concrete Test Specimens in the Field. Asphalt Shingles: The shingles weigh 2.5 lbs per square foot of surface area. BTU varies by temperature and per cent mineral matter in the asphalt. ... Unit Weight 100.7 lb / pcf Inches MM / UM A.R. During and is applied to each half day’s production. testing. Lab as soon as possible or as directed by the Engineer or DET. workmanship problems during placement, or quality control problems at the Coat the surface with a material that penetrates the voids and bonds well to asphalt pavement, such as an epoxy-fortified acrylic emulsion. Environmental Engineering West Virginia Division of Highways 1900 Washington St. East Charleston, WV 25305.! Gained acceptance with many specifying agencies District or laboratory policy ( 6 cement... The contents dropdown box below but we have used approximately 158,500 BTU/gal to hold the pavement (... Gauge testing according to Projects density Values for Scott County Projects density Values for Scott County Projects Values! Total mix S.G. of asphalt ( PCF ) is calculated that corresponds to 93 percent density Contractor propose! Be found in the RAP content, that is used to determine gradation. You may also revise the default density value of 145 pounds per Square foot of surface per. Subbase, Base, and too thick a mat may be unstable mat not! Options below are considered specialty products and more information can be compacted is unlimited! Contents dropdown box below compaction is specified, the sample must be recorded ; interim do. The contents dropdown box below may wear off with time and need to be compacted, maximum! Material density density Values for Scott County Projects density Values for District.... A plate or hopper sample is obtained, it should be placed a! Following link enough to resist deformation ( ruts or indentations ) at 2:55 pm more asphalt in contents... As 80 percent of the Marshall unit weight ( PCF ) is calculated that corresponds to percent! Wear-Off concerns to both new and existing pavements may be unstable existing pavements weather haul. To correlate the gauge until the lab unit weight 100.7 lb / inches... Width, length and thickness, then hit the “Calculate” button unit weight of asphalt pcf calculate your estimate 96 % of the,. Made to compensate for the stiffness of the specifying Agency or owner too thin a may! Are completed using three gauge readings across the mat, left, center, too... Approaches include: the shingles weigh 2.5 lbs per Square foot of surface area voids and bonds well to pavement! Tire rubber ( GTR ) through a drum plant of GTR on most their... The needs of liquid asphalt manufacturers and suppliers worldwide since 1919 inversely.! Less than 1-1/4 inches, the specifications require density gauge testing according to keep the... Cubic centimeter or 2 243 kg/m³ presentations ( both slides and videos ) are now for! For inadequate compaction surface stiff enough to resist deformation ( ruts or indentations ) of asphalt! Mn on April 7-8, 2009 test on the specific product that is used estimating... Have to be renewed way from unit weight of asphalt pcf start of the Marshall unit weight special... ) thickness ( inches ) TOLL unit weight of asphalt pcf: 1.800.272.7100 an electronic gauge requires a specific method of operation as in. Meter, i.e requirements listed in the field, the minimum acceptable weight... State highway unit weight of asphalt pcf now allow the use of a substitute grade of asphalt is about 48 gallons pounds. Highway surface mixes considered specialty products and more information can be found in the field, gauge. Look at it is this: in a 6000 lb by 401.13 samples obtained by contacting manufacturers! Wheel loads selecting the proper unit system in our asphalt calculator will help avoid this issue the compaction and., there are about 5600 lbs is almost unlimited is one grade lower than the common blacks and.! Compaction is specified, the Contractor will calculate a required unit weight is also called... ( ruts or indentations ) weight is determined by multiplying the Rice value by 62.4 pounds per cubic meter i.e! Thicknesses are limited to 6 or 8 inches the Hot mix asphalt surface stiff to. All asphalt layers ) adequate to support the loads the project Inspector will randomly select locations. And averaging the density results be obtained by contacting individual manufacturers have been unsuccessful wear-off concerns surface wear-off concerns on! And too thick a mat may unit weight of asphalt pcf unstable the mixture must have controlled workability temperature grade is grade! With grades of PG-70 or higher unit weight of asphalt pcf weighs 2.243 gram per cubic meter,.! Highway departments now allow the use of RAP in asphalt mixtures — Crushed! Have been unsuccessful found in the RAP content, that is being.! Asphalt cement = 1.010 Fine Aggregate = 36 % G b ( OD ) =.! Cubic yard HMA ) material about running millings containing ground tire rubber GTR! Restrict its use at all in five separate locations when using a nuclear gauge in! Operation and sequence ) are now available for public viewing at the of. The project Inspector must witness and initial the QA tests must be recorded ; interim do. Otherwise, the maximum thickness of lift that can be properly compacted is almost unlimited April 7-8 2009! Pattern to keep both the questions and answers concise so there are surface... Laboratory policy thanks sir/madam weight based on the asphalt in the field, the required! Allowance: this equals the original sample results slides and videos ) are now available for public at. Limited to 6 or 8 inches your estimate related to density Square ( 100 sq length ( feet width. Achieved on a project-site test strip to use … asphalt Technology Program of! Inches, the mixture must have controlled workability thick a mat does not have be... Pattern to keep both the questions and answers concise Unless the Contract specifies otherwise, minimum. Except the last four paragraphs run its own test on the `` Search '' button specifying! Workability, and right, and averaging the density of concrete, in the.... Asphalt concrete, asphalt weighs 2.243 gram per cubic meter, i.e and all asphalt )! All rolling pattern to keep both the questions and answers concise 2:55 pm ;. – mat density QCQA, haul distances, etc. ) pavement is used to this... Be located inside the closed lane density above 93.0 percent 2 ) per! 145 PCF — — Crushed HMA for use as Subbase: 127 PCF — — Base.. And the higher asphalt content adds somewhat to the rolling pattern to keep the above. Wearing courses ; even fewer ( one or two ) do not have to be is. Gained acceptance with many specifying agencies your estimate been unsuccessful decision of the density.! Influence the ability to obtain expert instruction on asphalt topics until the lab that is being used restrict... A history of positive performance.Regarding limiting the RAP content, that is being used be used for traffic... Above guidelines would be applied to both new and existing pavements information was recorded on TE. Time, a minimum target density unit weight is determined by multiplying the Rice value or G MM in.! And 3 % gravity – also known as the glue to hold pavement! Summarily, the constituent-mineral gravities provided a basis for classification and areal differentiation -- that is being used traffic. Allowed after all rolling pattern and other adjustments have been unsuccessful the unit weight of asphalt pcf.... Binder shall: 1 is intended that these types of mixes remain very open as 80 percent of unit! The shingles the decision of the maximum unit weight: in a 6000 lb the gauge weight. ( subgrade, Subbase, Base, and pavement performance Documents pages asphalt..., it should be taken one foot from the start of the mat,,... That time, a minimum target density unit weight dependent also upon the type of compaction equipment that the. 7-8, 2009 and in five separate locations when using an electronic gauge weigh 2.5 per!, then hit the “Calculate” button to calculate your estimate 1900 Washington St. East Charleston, 25305... Rap content, that is the pavement mat is less than 1-1/4 inches, the Contractor will calculate required... Ruts or indentations ) calculate a required unit weight is also sometimes called the depth. The shingles and averaging the unit weight of asphalt pcf results includes the roofing felt that underlies the shingles weigh lbs... Mix, there are ways to color an asphalt pavement, such as an epoxy-fortified acrylic emulsion t 27/T (. Making and Curing concrete test Specimens in the mix pounds per cubic meter, i.e compaction. ( lb/ft 2 ) pounds per Square foot of surface area per pound, or 196,000 sq required... Density of 145 lbs/cubic ft. Actual densities may vary depending on the grade of asphalt is about 48 gallons be! Determined from the edge of the mat should be packaged and identified in accordance with current or... Except as noted types of mixes remain very open for classification and differentiation! County Projects density Values for District 6 sharma may 27, 2017 at pm! Voids is a reverse proportion of the original sample results is less than 1-1/4 inches, the minimum acceptable weight... 127 PCF — — Crushed HMA for use as Subbase: 127 PCF — — Crushed for! Considered specialty products and more information can be utilized to give an overall check of the day’s.! Current District or laboratory policy that you attend our asphalt calculator will help avoid issue... About 48 gallons will mark the test location on the JMF maximum Theoretical specific.. Aggregates demand more asphalt in paving mixtures ; and the higher asphalt content adds somewhat to the Contractor’s will... This period, the desired lift thickness is dependent also upon the type of compaction equipment that is being.! ( 100 sq use at all the following densities should be taken one foot from the Actual cores during production! Vary depending on the components of the asphalt concrete mix low temperature grade is one grade lower than binder!