An example of the difference between weight and volume of asphalt mixture is given in figure 41. Developing a strategy for better performing intersection pavements pdf 692kb. Form cem3512, contractor hot mix asphalt design data, which documents the testing data developed by the mix design laboratory. Asphalt paving design guide prepared for the asphalt pavement association of oregon. Collect a representative sample of the rap andor ras in. Asphalt mix design guide aapa australian asphalt pavement. Hma mix design is the process of determining what aggregate to use, what asphalt binder to use and what the optimum combination of these two ingredients should be.
The designer must determine the virgin asphalt binder content of the new asphalt mix as part of the volumetric design procedure. Local government guidelines manual local government guidelines manual, seventh edition, march 15, 2019. Note 1the title in parentheses is the abbreviated title given on the tabs of the workbook. Sample information window superpave amaw spreadsheet revision date. Stonemontqc includes powerful asphalt mix design and quality control features for asphalt producers.
The purpose of this document is to establish an acceptance procedure for hot mix asphalt mix designs. Worksheet for a superpave mix design continued design curves for proposed job mix formula jmf air voids v. City of phoenix design and construction management. Preparation of design mixes and treatment of test specimens p. Main objective is to determine an economical and workable mix which comprises of a suitable blend of aggregates and a corresponding asphalt content. Calculate the limiting asphalt content at the tentative design asphalt content. An analysis of specimens and the maximum specific gravity sample are conducted to evaluate such properties as voids in mineral aggregate vma, voids filled with asphalt vfa, air voids, and the dusteffective binder ratio. Producersupplier numbers, material codes, sample location, and sample date. The purpose of this document is to provide a guide to the asphalt mix design process. Balanced mix design bmd for asphalt mixtures shane buchanan. Asphalt mix design manual for south africa, provisional working document november 2014. Ron bochsler north santiam paving p o box 516 stayton. The mix needs a minimum vma to have enough volume to hold the proper amount of air voids and the proper amount of binder.
Procedure for resolving differences in asphalt binder testing pdf 220kb pavement type selection pdf 500kb abcs of driveways by ontario hot mix asphalt producers association ohmpa pdf 385kb intersection strategy 1. Marshall method of design as detailed in the applicable documents section below. Procedures for sampling asphalt mixturesdensity cores and. The pavement mix types targeted are ogfc, sma, and fineand coarsegraded dense mixes. Superpave mix design method the superpave mix design method is a volumetric mix design process. Design procedure for asphalt mixes containing reclaimed. Download from so many useful civil engineering files for free. Marshall mix design method for asphaltic concrete an arizona method 1. This web page, which displays only the most recent versions of the files, has been divided into volumes i and ii as shown below. If form cem35, caltrans hot mix asphalt verification, is not attached, the completed mix design data form cem3512. The substitution of another hma mixture type other than the recommended mixture is acceptable if it has demonstrated to perform under similar traffic conditions. Background of superpave asphalt mixture design and. Materials manual florida department of transportation.
Bulk specific gravity of compacted paving mixture sample. Method b this method samples the asphalt mixture from behind the paver using a shovel after placement of the asphalt mat. These guidelines provide for the selection of hot mixed asphalt hma and application rates utilizing the superpave mix design system along with the marshall mix design system. Asphalt mix design and quality control software management system. D5404 recovery of asphalt from solution using the rotary evaporator. The hma pavement mix type selection guide provides designers with methods for selecting appropriate mix types while considering factors such as traffic, environment, subsurface pavement structure, existing pavement condition and preparation, and economics. It is filled with the volume of air voids plus the volume of the binder not absorbed into the aggregate. Sample information window superpave mixpack qcqa spreadsheet revision date. Contractor mix design guidelines for asphalt concrete january 2017 7 the apa test lab shall fabricate samples according to the jmf being tested and shall perform the test according to aashto t 340 at a test temperature of 64c 147 f for all mixes. City of phoenix programming and project delivery division. The department will sample, test, and approve sources of local sand.
Unless otherwise specified in the contract documents, or amended herein, materials, production, and placement of asphalt shall conform to opss 310, and opss 1150. Much of what determines long term pavement performance of. Calculate the bearing capacity for each asphalt content. Mix design objectives sufficient asphalt to ensure a durable pavement. Method a this method samples the asphalt mixture from behind the paver using a plate placed on the roadway prior to placement of the asphalt mat. Bowering foamed asphalt paving mixtures are evaluated under a variety of testing proce du res for design of field projects.
Historically asphalt mix design has been accomplished. Asphalt institute ms2 7th edition 2014 asphalt mix design methods ingilizce orijinal. Mix design methods for asphalt concrete and other hot mix types, asphalt institute manual series no. Note the oil supplier on the city of phoenix sample card. Asphalt mix design using performance tests on appropriately conditioned specimens that address multiple modes of distress taking into consideration mix aging, traffic, climate and location. The marshall mix design method can use any suitable method for estimating optimum asphalt content and usually relies on local procedures or experience. Asphalt mix designs submitted to the tdot must exhibit certain physical performance properties indicated in standard specifications including but.
Submit apa test results in the format required by aashto t 340 to the pqme with the mix design. During the production of the asphalt mix, the binder present in. Historical mix design methods marshall hveem new superpave gyratory. Procedures manual for hma mix design processing hot mix asphalt hma mix design laboratory qualifications 2 revised. Developing a strategy for better performing intersection pavements pdf.
South dakota asphalt concrete marshall mix design procedure sd 317. Concrete mix design excel calculator concrete volume calculator excel sheet. Produce each asphalt mixture according to a department approved job mix formula and asphalt mix design, see subsection 400. This will allow the contractor to be able to hand work the mix to provide positive drainage. For example, it is easy for a student to understand and remember that the gyratory. This procedure covers the determination of asphalt binder content of hot mix asphalt hma by ignition of the binder in accordance with aashto t 30810. Hot mix asphalt mixture design verification procedure appendix b. In the marshall test method of mix design, three compacted samples are. Volumetric analysis of hma mixtures 31 example problem lets assume we have a compacted hma mixture with the following properties. Verification of design properties on samples of manufactured asphalt.
Form cem3101, notice of materials to be used pdf form cem3501, hot mix asphalt production report pdf form cem3502, hot mix asphalt placement report pdf form cem3511, contractor job mix formula proposal pdf form cem3512, contractor hot mix asphalt design data pdf form cem35, caltrans hot mix asphalt verification pdf. Scales of appropriate capacity and design to weigh the required samples. This document describes the procedure for designing bituminous materials in accordance with the marshall method of mix design stated in the asphalt institute handbook ms2 mix design for asphalt concrete and other hot mix types,1984 edition, with modifications. Hotmix asphalt mixture design verification procedure. Allowing the contractor to hand place another surface mix such as sm 12. Hot mix asphalt physical properties coarse and fine extracted aggregate phcc449d mar18 use with ssp 110s12 september 2016 or later or opss. City of phoenix design and construction management materials lab. City of phoenix programming and project delivery division materials lab 2019 approved conventional asphalt mix designs the following mix designs have been approved by the city of phoenix materials lab for use on all city of phoenix projects. Submittal and approval of hot mix asphalt mix designs sop. Rdgn022 mix design of bituminous materials page 3 of 3. Select and specify the correct asphalt concrete mix for a given application. Aashto r4608, designing stone matrix asphalt sma some states have variations of aashto r46 binder content. Sample asphalt binder contents based on the results of the optimum asphalt binder content estimate, samples are typically prepared at 0. Standard construction specifications division 40 asphalt surfacing revised 1108 the number of blows of the compaction hammer used in the marshall mix design will be fifty 50 blows per side of specimen.
The materials manual contains the instructions needed to complete quality assurance and materials acceptance for florida department of transportation contracts. Concrete pavement analyst cpa setting the record straight pdf 605kb. Local governments should start using the new forms and documents immediately for their projects. The following mix designs have been approved by the city of phoenix materials lab for use on all city of phoenix projects. Michigan department of transportation construction field services bituminous mix design unit. The mix needs a minimum vma to have enough volume to hold the proper amount of. For the purposes of this specification, owner means. Vma is the volumetric void space created by the aggregate particles in an asphalt mixture.
The documents provided on this website are outlined in the local government guidelines below. Requires one sample for each asphalt binder content to be tested minimum of 3 asphalt binder contents, with 3 marshall specimens at each asphalt binder content. August 2016 film thickness summary sheet summary grad chart. Stonemontqc aggregate and asphalt capabilities are completely integrated thus allowing mix component properties to be easily updated or substituted from aggregate plants. Hot mix asphalt hma selection guidance december 2017.
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