Qpr cold patch pavement repair material page 2 of 4. After determination of gse in this manner, gmm is deter mined at other asphalt contents in the mix design by gmm 100ps. No voc liquid blend content is based on the total weight of the mix. Once the aggregate and the asphalt cement grade are selected, trial samples are. Gb specific gravity of the asphalt binder, and gmb bulk specific gravity of the mixture assumed to represent zero air voids. In different sections of the state it may also be referred to as bituminous concrete,hot plant mix, asphalt concrete, blacktop or superpave. Standard test method for bulk specific gravity and density of. The sg4 asphalt bulk specific gravity device is the quickest and most accurate method for bulk specific gravity determinations of 4in and 6in 102mm and 151mm asphalt cores and gyratory specimens. For example, if the specific gravity of the asphalt is 1. Specific gravity weight in air i weight in air weight in water. The bulk specific gravity gmb of the compacted mixtures should be.
Use bmp high performance cold patch to repair cracks and pot holes in blacktop and concrete and. Traffic volume, loads and tire pressures have increased substantially. Hot mix asphalt is composed of aggregate bound together into a. In calculating the weight of asphalt, necessary is the volume and specific gravity. Asphalt may be incompatible with strong oxidizing agents like nitric acid. The binder is a proprietary special liquid blend from wespro. Attaining proper density of hot mix asphalt is critical to assuring the longterm durability of the completed pavement. Bmp high performance cold patch is a polymer modified, emulsion and aggregate patch repair product.
The weight of asphalt in tons required for a paving project may be readily calculated using a few simple tools and concepts. On delivery of the tank truck, an additional onequart sample will be taken. You may also revise the default density value of 145 lbscubic ft. D2726d2726m test method for bulk specific gravity and density of nonabsorptive compacted asphalt mixtures. Modified asphalt binder as indicated in the proposed job mix formula. This procedure covers the determination of the maximum specific gravity g mm of uncompacted asphalt mixtures in accordance with aashto t 20919. Gatorpave is a coldapplied, easy to use patching material. Cold mix shall consist of 100% crushed aggregates and. Construction schedulescflhd construction schedule guidelines guidelines to use while developing cpm schedulesproduction rate spreadsheet approximate range of production rates typical for cflhd workcfl. Cflhd construction schedule template microsoft project template for cflhd work. The specific gravity test results for asphalt are reported by the refinery or department chemists. The corelok test can be completed in seven minutes with minimal exposure to water, eliminating the need for a lengthy dry back method. Divide the specific gravity of the liquid asphalt into 8.
High performance permanent pavement repair material. Sitemanager forms texas department of transportation. As an immediate precautionary measure, isolate spill or leak area for at least 50 meters 150 feet in all directions. Specific gravity specific gravity of bitumen the specific gravity of semisolid bituminous material, asphalt cements, and soft tar pitches shall be expressed as the ratio of the mass of a given volume of the material at 25 c to that of an equal volume of water at the same. T 24802 2006 reducing samples of aggregate to testing size. Special asphalt products carries a comprehensive line of new and used equipment for purchase and rental. Cflhd construction schedule guidelines guidelines to use while developing cpm schedules. Methods and materials for containment and cleaning up methods for containment prevent further leakage or spillage if safe to do so. Enter the width, length and thickness, then hit the calculate button to calculate your estimate. Asphalt cement modification has been practiced for over 50 years but has received added attention in the past decade or so. Excerpt from erg guide flammable liquids waterimmiscible noxious. Bulk specific gravity and water absorption of aggregate. Dalton ss1h asphalt binder is an anionic emulsion designed for use as a tack coat for patching, paving, overlays and coating blacktop.
Asphalt all grades for paving and flux safety data sheet prepared according to federal register vol. Gmm specific gravity for asphalt material engineering fans association. How to convert liquid asphalt content tonnage to gallons hunker. Ss1h promotes adhesion to blacktop bituminous concrete. Liquid asphalt has a specific gravity range from 0.
Exp 9 specific gravity of bitumen civil engineers pk. This procedure covers the determination of the maximum specific gravity g. Production rate spreadsheet approximate range of production rates typical for cflhd work. 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. Asphalt mixtures calculator vulcan materials company.
Asphalt pavement construction serving the needs of liquid asphalt. A typical specific gravity for asphalt is around 1. Consider initial downwind evacuation for at least 300 meters feet. How to convert liquid asphalt content tonnage to gallons. Heating is one way to liquify asphalt for construction purposes. The permanent asphalt repair shall be uniform, remain flexible and cohesive to 15f and be. D3203d3203m test method for percent air voids in compacted asphalt mixtures. The asphalt binder used with the sample on the right contains 0.
Modified asphalt binder or 110 lb per finished ton. Hot mix asphalt may be referred to by several names. Aashto m226 viscosity graded asphalt cement table three 3 aashto m320 standard specifications for performancegraded asphalt binder aashto t30 test for mechanical analysis of extracted aggregate aashto t43 test for specific gravity of bituminous materials aashto t85 specific gravity and absorption of coarse aggregate. Certification tests on cold patch asphalt repair materials. The road rescue asphalt patch is perfect for repairs, covers 7. Asphalt waqtc fop aashto t 209 19 theoretical maximum specific gravity g mm and density of asphalt mixtures fop for aashto t 209. Bitumenasphalt is a mixture of organic liquids that are highly viscous, black, sticky, entirely soluble in carbon disulfide, and composed primarily of highly condensed polycyclic aromatic hydrocarbons. Selection of maximum theoretical specific gravity for. Some asphalt cements require modification in order to meet specifications. Selection of maximum theoretical specific gravity for asphalt. Gatorpave is a single component, highly filled polymer modified asphalt emulsion that is designed to fill and repair alligatored and cracked areas in asphalt pavement surfaces.
Asphalt specific gravity because the specific gravity of asphalt binders change with temperature, specific gravity tests are useful in making volume corrections based on temperature. Eliminate your pavement problems simply, inexpensively and permanently with road rescue asphalt patch. Methods for cleaning up take up mechanically and collect in suitable container for disposal. A one quart sample of the qpr liquid blend will be retained at the asphalt depot prior to shipping. The theoretical maximum specific gravity gmm of a hma mixture is the specific gravity excluding air voids. Maximum specific gravity gmm this method may be used as an alternative to the conventional rice test for the determination of maximum specific gravity of loose asphalt mixtures. In imperial or us customary measurement system, the density is equal to 140 pound per cubic. It can be derived by calculating the volume from the construction area and thickness of the asphalt pavement and multiplying the specific gravity of the asphalt used for pavement. Actual densities may vary depending on the components of the mix. The weight of any substance in pounds is related to its weight density or compactness. On delivery of the tank truck, an additional onequart sample will be taken by the qpr sales. T 20910 theoretical maximum specific gravity and density of bituminous paving mixtures.
Theoretical maximum specific gravity can be multiplied by the density of. What is the specific gravity of liquid asphalt answers. Construct a superpave asphalt concrete pavement with. In portland cement concrete pavements various types and shapes of cavities may. The optimum asphalt content of a mix is highly dependent on aggregate characteristics. What is the specific gravity of bitumen various petroleum products with specific gravity different pitch. Adjustments are made to the pg grade of asphalt cement based on traffic conditions and traffic volumes which is intended to enhance the design life of the pavement. How do you get the specific gravity of aggregates in cold mix. Materials that have a lower specific gravity are lower boiling point thus one of the first applications of this parameter has been using it for the distillation of crude oil. Qpr cold patch pavement repair material page 1 of 4.
It can be applied via spray, brush or squeegee and dilution is not necessary. Application rates and unit weights used for estimating purposes list of estimated. Cold patch asphalt is not listed as a carcinogen by iarca international agency for research on cancer or under the national. Asphalt pavement colorado department of transportation. Standard test method for bulk specific gravity and density. D3666 specification for minimum requirements for agencies testing and inspecting road and paving materials. For traffic level a and b mixtures, use a liquid antistrip additive, at a.
Weight density is the number of pounds of a material contained in a specific volume of the material. Specific gravity and density of semisolid bituminous materials. Superpave design guidelines for using hotmix recycled. The asphalt binder used with the sample on the left contain no antistripping modifier, which resulted in almost no aggregate asphalt binder adhesion. The asphalt absorption can be found knowing the bulk impregnated specific gravity of the mixture, the bulk specific gravity of the. The corelok test can be completed in seven minutes with minimal exposure.
Asphalt must be liquified before it can be pumped through pipes, mixed with stone aggregates, or sprayed through nozzles. Product identifier hp asphalt cold patch and sc800 cold patch other means of identification not available. Is it acceptable to run theoretical maximum rice specific gravity on material obtained. Material specifications quality pavement repair qpr. T 28307 resistance of compacted asphalt mixtures to moistureinduced damage. How to calculate the weight of asphalt used for paving. The specific gravity may be converted to density values by use of the following formula. The added attention can be attributed to the following factors roberts et al. Canadian investigation of flexible pavement design. Contact us for availability, specific equipment requests and pricing. High performance permanent pavement repair material material. This procedure covers the determination of bulk specific gravity g mb of compacted asphalt. Gatorpave is an economical solution for alligatored areas. Factors affecting the interlaboratory reproducibility of the bulk specific gravity of samples using the texas gyratory compactor.
In different sections of the state it may also be referred to as bituminous concrete,hot plant mix,asphalt concrete, blacktop or superpave. Weight density is the number of pounds of a material contained in a. How do you get the specific gravity of aggregates in cold. Rr681 mastic asphalt for maintenance state of michigan. Simply sweep out the area to be filled, pour in material and compact with a car tire or tamp. Dec 20, 2017 gmm specific gravity for asphalt material engineering fans association. Determining density of compacted mituminous mixtures.
Hot mix asphalt is composed of aggregate bound together into a solid mass by asphalt cement. Standard test method for maximum specific gravity and. Because the specific gravity of asphalt binders change with temperature, specific gravity tests are useful in making volume corrections based on temperature. It is a function of the ratio of asphalt to water absorption, which varies widely but follows a definite pattern with different types of aggregates. Theoretical maximum specific gravity pavement interactive. The sg4 uses a computercontrolled system patent pending to measure water displacement with superior resolution and accuracy. Mixing specifications for bmp high performance cold patch bit.
Wpsprm002 perma patch revision date 19dec2014 page 4 8 environmental precautions see section 12 for additional ecological information. Effective specific gravity of the combined aggregates g r g mm theoretical maximum specific gravity g rc g mm theoretical maximum specific gravity corrected for water absorption during test g s g b specific gravity of the asphalt binder determined at 77f 25c g t g maxtheo calculated theoretical maximum specific gravity of the mixture at. This can vary with the type of asphalt and the temperature of the asphalt. T 22809 specific gravity of semisolid bituminous materials.
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