asphalt binder course

WHAT IS HOT MIX ASPHALT Also known as blacktop asphalt pavement or hot mix pavement Asphalt is an engineered mixture of aggregates Crushed stone Gravel Sand and Liquid Asphalt WHAT IS THE DIFFERENCE BETWEEN BINDER AND TOP COAT Binder or base coat is known as the load bearing coarse and typically contains 34” stone

Description If you are responsible for asphalt testing materials approval specification and quality control this course is for you Learn the test procedures calculations and criteria involved with grading asphalt binders in the PerformanceGraded PG asphalt binder specification AASHTO M320

The course will provide background information on the development of binder grading systems and test procedures and present stepbystep descriptions of test methods used in the Superpave binder system The attendee will learn how to analyze test results and determine specification compliance for Superpave Performance Graded PG binders

CONSTRUCTION INSPECTOR’S CHECKLIST FOR HOT MIX ASPHALT HMA BINDER AND SURFACE COURSE While its use is not required his checklist has been prepared to provide the field inspector a t summary of easytoread stepbystep requirements relative to

Asphalt Binder is an anionic asphalt emulsion designed for use as a tack coat for patching paving and coating processes Asphalt Binder promotes adhesion of bituminous concrete products and coatings Asphalt Binder also meets the ISSA requirements for SS1h Uses

Sep 28 2016 · Step 5 Binder and Surface Course Once the sub base is laid and any soft areas are identified and repaired it is time to add the binder The binder layer is large aggregate mixed with oil making it very strong and durable The binder layer can be thought of as the strength of any new asphalt surface Step 6 Install New Asphalt Surface

Base Course The base course is the lower asphalt course or courses below the surface and any leveling course The base course provides the strength of the pavement and typically has an aggregate top size of 34 to 1 inch Tack Prime Coat The tack or prime coat is a spray applied application of emulsified asphalt

Courses OGFC Stone Matrix Asphalt SMA and intermediate or binder course and a base course The surface binder and base courses are typically different in composition and are placed in separate construction operations The pavement layers 2 HMA PAVEMENT MIX TYPE SELECTION GUIDE

Sources of Asphalt Binder • Asphalt occurs naturally or is obtained through distillation of petroleum crude oil • Examples of natural asphalt include the binder in rock asphalt and Trinidad Lake asphalt • More commonly asphalt is obtained through distillation of crude oil

Jan 14 2019 · Due to the process of production this asphalt mix is more expensive than regular densegraded mixes Its design is based on higher asphalt content modified asphalt binder and fibers This asphalt type has been used since the 1980s and can be used in

Asphalt concrete base ACB also called asphalt treated base ATB is a densegraded HMA with a larger nominal maximum aggregate size 1 inch intended for use as a base course or binder course see Figure 1 In addition to site paving benefits ACB can be advantageous because it can provide A waterproof barrier to prevent fines infiltration into the subgrade and pavement structure

Binder course definition is a coarse aggregate bound with bitumen between the foundation and the wearing course of an asphalt pavement

AMS PAVING CP2 BITUMINOUS BINDER COURSE CP2 is an extremely flexible base course that can be used for new construction of existing gravel roads or over existing but severely deteriorated roadways The material is designed to provide a flexible base course material on low ADT roadsroads where a rigid Hot Mix can not be successfully used

Asphalt concrete base ACB also called asphalt treated base ATB is a densegraded HMA with a larger nominal maximum aggregate size 1 inch intended for use as a base course or binder course see Figure 1 In addition to site paving benefits ACB can be advantageous because it can provide A waterproof barrier to prevent fines infiltration into the subgrade and pavement structure

Staten Island Asphalt supplies customers with Type 3 binder hot mix asphalt into your trucks Type 3 binder hot mix asphalt is densely graded coarse textured mix containing stone up to one inch in size It is laid below the top course in 2 or 2 12 inch layers

Jan 14 2019 · Due to the process of production this asphalt mix is more expensive than regular densegraded mixes Its design is based on higher asphalt content modified asphalt binder and fibers This asphalt type has been used since the 1980s and can be used in

AMS PAVING CP2 BITUMINOUS BINDER COURSE CP2 is an extremely flexible base course that can be used for new construction of existing gravel roads or over existing but severely deteriorated roadways The material is designed to provide a flexible base course material on low ADT roadsroads where a rigid Hot Mix can not be successfully used

HOT MIX ASPHALT PAVEMENT DESIGN GUIDE The Maryland Asphalt AssociationInc Requirements Asphalt pavements are constructed of one or more courses of hot mix asphalt placed directly on the subgrade or on a subbase Aggregate Size Binder Type Compaction Level

The asphalt binder reference cost is established by WSDOT from the selling price of asphalt cement furnished by Poten and Partners Inc for the Pacific Northwest Western reference cost is based on the selling price for the Seattle Washington area Eastern reference cost is based on the selling

In flexible pavements the upper layer consists of asphalt concrete that is a construction aggregate with a bituminous binder The wearing course is typically placed on the binder course which is then laid on the base course which is normally placed on the subbase which rests on the subgrade There are various different types of flexible

How to Determine Quantities Download Quantity Calculator Measuring a Pavement Job To determine the amount of asphalt you will need for a paving job you first need to know the area to be paved This may be simple if the area to be paved is square rectangular or constant width of road However this is seldom the case since there may be bump

Typically a “Binder” Course also known as the load bearing coarse contains mostly 34” aggregate The stone in the asphalt is larger and is applied first at a thickness depending on the application Prime coat is an application of low viscosity asphalt to a stone base course in preparation to asphalt

PG Binder and for achieving and maintaining approved list status are available from the Materials Bureau The temperature of PG Binder delivered to the HMA Production Facility will not exceed 175°C unless the PG Binder supplier recommends it 401205 Reclaimed Asphalt Pavement Reclaimed Asphalt Pavement RAP will meet the

Page 41 line 5 between “DESCRIPTION” and “These” insert the following “All hot mix asphalt concrete produced shall meet the requirements of §4021 and the following” Page 41 under §401202 Composition of Mixtures Marshall Mix Property Criteria delete

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

The PG Asphalt Binder Laboratory Technician Certification Course is designed for those individuals responsible for the sampling and testing of PG asphalt binders Certification in the Dynamic Shear Rheometer Bending Beam Rheometer and related subjects are mandatory Suggested participants would include supplier qualit