This web page, which displays only the most recent versions of the files, has been divided into volumes i and ii as shown below. Stonemontqc aggregate and asphalt capabilities are completely integrated thus allowing mix component properties to be easily updated or substituted from aggregate plants. 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. 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. The mix needs a minimum vma to have enough volume to hold the proper amount of. Asphalt mix designs submitted to the tdot must exhibit certain physical performance properties indicated in standard specifications including but. Local government guidelines manual local government guidelines manual, seventh edition, march 15, 2019. The pavement mix types targeted are ogfc, sma, and fineand coarsegraded dense mixes.
Developing a strategy for better performing intersection pavements pdf 692kb. August 2016 film thickness summary sheet summary grad chart. The substitution of another hma mixture type other than the recommended mixture is acceptable if it has demonstrated to perform under similar traffic conditions. Aashto r4608, designing stone matrix asphalt sma some states have variations of aashto r46 binder content. Hot mix asphalt physical properties coarse and fine extracted aggregate phcc449d mar18 use with ssp 110s12 september 2016 or later or opss. 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. The purpose of this document is to provide a guide to the asphalt mix design process. 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.
Collect a representative sample of the rap andor ras in. 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. The materials manual contains the instructions needed to complete quality assurance and materials acceptance for florida department of transportation contracts. Materials manual florida department of transportation. The marshall mix design method can use any suitable method for estimating optimum asphalt content and usually relies on local procedures or experience. 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. Worksheet for a superpave mix design continued design curves for proposed job mix formula jmf air voids v. During the production of the asphalt mix, the binder present in. If form cem35, caltrans hot mix asphalt verification, is not attached, the completed mix design data form cem3512. In the marshall test method of mix design, three compacted samples are. Mix design objectives sufficient asphalt to ensure a durable pavement. Design procedure for asphalt mixes containing reclaimed. Hot mix asphalt hma selection guidance december 2017.
Stonemontqc includes powerful asphalt mix design and quality control features for asphalt producers. Local governments should start using the new forms and documents immediately for their projects. Concrete pavement analyst cpa setting the record straight pdf 605kb. Bowering foamed asphalt paving mixtures are evaluated under a variety of testing proce du res for design of field projects. Sample asphalt binder contents based on the results of the optimum asphalt binder content estimate, samples are typically prepared at 0. It is filled with the volume of air voids plus the volume of the binder not absorbed into the aggregate. Main objective is to determine an economical and workable mix which comprises of a suitable blend of aggregates and a corresponding asphalt content. City of phoenix design and construction management. Mix design methods for asphalt concrete and other hot mix types, asphalt institute manual series no.
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. The following mix designs have been approved by the city of phoenix materials lab for use on all city of phoenix projects. 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. 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. The mix needs a minimum vma to have enough volume to hold the proper amount of air voids and the proper amount of binder. 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. An example of the difference between weight and volume of asphalt mixture is given in figure 41. Bulk specific gravity of compacted paving mixture sample. Balanced mix design bmd for asphalt mixtures shane buchanan. Marshall mix design method for asphaltic concrete an arizona method 1. 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. For the purposes of this specification, owner means. The documents provided on this website are outlined in the local government guidelines below.
Marshall method of design as detailed in the applicable documents section below. The department will sample, test, and approve sources of local sand. Allowing the contractor to hand place another surface mix such as sm 12. Asphalt mix design guide aapa australian asphalt pavement. Calculate the limiting asphalt content at the tentative design asphalt content.
The designer must determine the virgin asphalt binder content of the new asphalt mix as part of the volumetric design procedure. 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. Historical mix design methods marshall hveem new superpave gyratory. City of phoenix design and construction management materials lab. Ron bochsler north santiam paving p o box 516 stayton. Sample information window superpave mixpack qcqa spreadsheet revision date. Volumetric analysis of hma mixtures 31 example problem lets assume we have a compacted hma mixture with the following properties. Much of what determines long term pavement performance of. Calculate the bearing capacity for each asphalt content.
Method b this method samples the asphalt mixture from behind the paver using a shovel after placement of the asphalt mat. Hotmix asphalt mixture design verification procedure. South dakota asphalt concrete marshall mix design procedure sd 317. Background of superpave asphalt mixture design and. Properties considered in mix design superpave mix design.
Superpave mix design method the superpave mix design method is a volumetric mix design process. Produce each asphalt mixture according to a department approved job mix formula and asphalt mix design, see subsection 400. Procedures manual for hma mix design processing hot mix asphalt hma mix design laboratory qualifications 2 revised. The following tables describe the fields loaded on the database, which are visible when viewing on the window, and the source. Hot mix asphalt mixture design verification procedure appendix b. Michigan department of transportation construction field services bituminous mix design unit. Asphalt paving design guide prepared for the asphalt pavement association of oregon. Note 1the title in parentheses is the abbreviated title given on the tabs of the workbook.
The purpose of this document is to establish an acceptance procedure for hot mix asphalt mix designs. Scales of appropriate capacity and design to weigh the required samples. Concrete mix design excel calculator concrete volume calculator excel sheet. Vma is the volumetric void space created by the aggregate particles in an asphalt mixture. Download from so many useful civil engineering files for free. Verification of design properties on samples of manufactured asphalt. Submittal and approval of hot mix asphalt mix designs sop. Preparation of design mixes and treatment of test specimens p.
Asphalt institute ms2 7th edition 2014 asphalt mix design methods ingilizce orijinal. City of phoenix programming and project delivery division. Submit apa test results in the format required by aashto t 340 to the pqme with the mix design. Producersupplier numbers, material codes, sample location, and sample date. Select and specify the correct asphalt concrete mix for a given application. This will allow the contractor to be able to hand work the mix to provide positive drainage. Form cem3512, contractor hot mix asphalt design data, which documents the testing data developed by the mix design laboratory. Procedures for sampling asphalt mixturesdensity cores and. 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.
Sample information window superpave amaw spreadsheet revision date. Note the oil supplier on the city of phoenix sample card. Developing a strategy for better performing intersection pavements pdf. Rdgn022 mix design of bituminous materials page 3 of 3. Asphalt mix design manual for south africa, provisional working document november 2014.
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