Any factors that cause either the volume or the stiffness of the mix at the screed to change will cause ripples in the asphalt concret mat. This manual uses the term binder when referring to this material. Construction of quality hot mix asphalt pavements best practices for pavement construction 59th annual asphalt paving conference outline placement best practices surface prep project planning understanding the paver factors affecting the screed screed adjustments paving process surface preparation. The roadway surface is normally classified as rigid consisting of portland cement concrete or flexible consisting of asphaltic materials.
Cold mix asphalt is a premix of continuously graded aggregate and cationic mix grade emulsion. Therefore, if you would like to be notified of changes or updates to manuals on this page, simply click subscribe. This procedure manual provides a guide to the correct construction practices and. We invite you to view and use the colorado asphalt pavement association website. Taken from the asphalt institute manual es1, second edition. Training manual for the construction of rural road pavements. The cat paving products guide to asphalt paving is intended to be a practical reference guide for the process of paving.
Maryland state highway administration office of construction. Technical data of asphalt to be used for tack coat. Construction inspection manual for airport pavements federal. Construction manual for airport pavements, may 1999 federal. This guide deals with asphalt production only to the extent that production of asphalt affects the quality of the material being laid down on a project. Napa members are dedicated to providing the highest quality asphalt paving materials and pavements, and to increasing the knowledge of quality asphalt pavement design, construction, maintenance, and rehabilitation. Asphalt safety training program introduction asphalt is a strong adhesive.
The information currently available on asphalt paving would fill a small library. Successful construction starts from the ground up literally. The complete set including a third, larger manual covering both concrete and asphalt, meant for office use was developed with input from city, county, and state engineers, and customized to include thost. The handbook concentrates on field practices for asphalt paving, including plant operations, transportation of materials, surface preparation, laydown, compaction, and quality control processes. Reference standard title 31 geotextile storing and handling astm d 4873 identification, storage, and handling of geosynthetic rolls and samples 32 storage of bituminous paving mixtures.
Cominsky university of texas at austin with contributions by. Construction learning portal florida department of. Gravel not generally acceptable unless broken for asphalt and concrete. This 2018 asphalt parking lot design guide has been prepared to assist readers in understanding all phases of asphalt parking lot design, including planning, construction and maintenance. The 2002 edition of the maryland state highway administration construction manual is a revised updated version of the construction manual dated june 12, 1998 to reflect the 2001 standard specifications, construction practices, techniques, and record keeping in effect today. Kennedy university of texas at austin michael anderson the asphalt institute strategic highway research program national research council washington, dc 1994. Rehabilitation of portland cement concrete pavement is undertaken in order to repair damage to the. The superpave mix design manual for new construction and. For more than 70 years, ms4 has served the asphalt industry as its primary reference manual. Any qualified asphalt pavement contractor can construct such pavements and virtually any asphalt plant can produce the material.
Hma pavement mix type selection guide national asphalt pavement association 5100 forbes blvd. The manual contains the necessary information to allow the user to do the following. This manual provides guidance on all aspects of pavement. Asphalt paving design guide asphalt pavement association of. Asphalt pavement inspectors manual alaska department of. Hot mix asphaltused for indot specified pavements requires pg binders to be used for the asphalt material. Chapter 3 pavement patching and repair general the roadway is the paved or otherwise improved portion of a public highway ordinarily used for vehicular travel. Make sure that the subgrade has been prepared as specified.
Likewise, the design of the various types of bituminous material will be. Review placing hotmix asphalt in construction of hot mix asphalt pavements manual series no. The construction manager called a colleague at an asphalt paving company who had considerable knowledge of asphalt problems. Small and spiral bound, the manuals are designed for easy use in the field. W ork zone safety, guidelines for construction, maintenance, and utility operations, pocketsized guide, 1999, 55 pp. The asphalt pavement association of oregon is a nonprofit trade association representing contractors and associated firms.
The use of asphalt pavement provides a fast, efficient and economical construction process with. The vogele booklet on paving is a practical booklet with invaluable recommendations on the optimum setup for paver and screed, detailed answers to many questions about practical paving operations and a wealth of detail on technology and paving materials and it is ideal for private study, too. Best practices handbook on asphalt pavement maintenance. These guidelines will be uscd by the department ofpublic works and transportation. To gather and disseminate information on quality asphalt technology intended to improve the design, construction and maintenance of asphalt pavements. The issue was in the sand that was used in the mix. Apao was formed in 1969 by a small group of asphalt paving contractors to develop improved specifications and products. Knowledge of the site geology is vital to proper con struction design. To gather and disseminate information on quality asphalt technology intended to improve the design, construction and. Currently available as a softcover book in english only. Crushed surface base course or hot mix asphalt may be needed. The new jersey society of asphalt technologists njsat is a nonprofit organization which has the following objectives, in accordance with its constitution. The superpave mix design manual for new construction and overlays. This ac provides general guidance on asphalt paving operations.
Many of the manuals listed on this page are living documents, meaning changes and updates will be made to them periodically. This new, expanded edition showcases the advances in asphalt technology, covering such topics as superpave courses, asphalt binder, quality control, and rehabilitation of concrete pavements with hma. Cl2 model specifications for small paving jobs pdf 1. Construction guidelines national asphalt pavement association. We are constantly striving to keep the most relevant information on our site while maintain the information needed to research almost any topic of asphalt construction. Colorado asphalt pavement association welcome to the. These references describe in great detail some of the key elements of asphalt paving and plant inspections. Maintenance manual m 5101 chapter 3 pavement patching and repair. The links below will take you the fdot construction learning portal hosted by red vector opens a new window. Maintenance manual m 5101 chapter 3 pavement patching. This document makes reference to materials testing, for example for determining insitu densities, by referring to stp6. Out of print asphalt institute construction leaflets.
Asphalt is often mixed with solvents diesel, kerosene, naphtha, toluene, and xylene, binders, hardening and bonding agents resins, crushed rock, sand, and recycled rubber. Section 4 flexible pavement construction standard specification for urban infrastructure works 41 edition 1, revision 02 oct 2010 contents revision register 42 4 flexible pavement construction 43 4. Asphalt qms 2016 i preface this manual has been prepared as a practical guide for asphalt technicians in the construction and inspection of asphalt pavements. The complete set including a third, larger manual covering both concrete and asphalt, meant for office use was.
Applicable paving codes that apply to this project include those listed below. It is made from petroleum products and is usually heated between 150200 degrees f. This asphalt paving design guide has been prepared by the members and staff of the minnesota. Nothing in this manual is to be construed or interpreted as a replacement for a qualified engineer. Spray bar at the rear of bitumen distributor, spraying. Construction of quality hot mix asphalt pavements best practices for pavement construction 59th annual asphalt paving conference outline placement best practices surface prep project planning understanding the paver factors affecting the screed screed adjustments paving. This manual has been prepared to inform and assist construction inspection personnel in the performance of their duties and in the documentation of project activities. The parking area is the first part of a building complex seen by the user. Regulatory codes and industry standards division description reference standard no. The construction manual contains policies and procedures related to the duties of caltrans division of construction personnel, is for information only, and is intended as a resource for personnel engaged in contract administration. If any hma leveling is required to smooth out an existing irregular surface, inform the contractor and determine the method of payment. Segregation causes and cures for hotmix asphalt, aashto.
Use of this manual will result in improved asphalt pavement. Emulsified asphalt performance graded asphalt binders application rate typical based on the plans and specifications 0. This manual provides guidance on most aspects of pavement construction from subgrade through asphalt concrete or portland cement concrete. Technical data of asphalt to be used in paving mix. Manual, pavement for labourbased road construction. The hot asphalt mat surface was splitting at random locations across the mat and no pattern could be determined as to why this was happening.
It is very important that the inspector on construction of a bituminous surface treatment be entirely. This is not a specification document and its content is not legally binding upon any department contract and should be recognized as a guide only. This manual draws on the alaska construction manual and other sources but does not attempt to replace them as. The association and its members are dedicated to promoting asphalt pavements by developing pro. They identify low, medium, and highseverity levels of each pavement distress with photos. Advisory circular ac 150537014b, hot mix asphalt paving. Special report 180 superpave construction guidelines, national asphalt paving association. Be alert for new or revised specifications that may affect the current manual guidance for contract administration.
The hotmix asphalt paving handbook 2000 handbook is in appendix 1 of this ac. Construction guidelines constructing porous asphalt pavements is straightforward. Asphalt is used for paving and surfacing roads, roofing, concrete work, and paints. Construction shall conform to the details, crosssections, dimensions, and grades. It is intended to serve as a basic introduction to asphalt construction for the new technician as well as a reference source to those with considerable experience. Asphalt materials include performance graded pg asphalt binders, asphalt emulsions, cutback asphalt, utility asphalt,and asphalt used for coating corrugated metal pipe. Safer manual safety evaluation for roadways, 1996, 40 pp. Although the look of our site has changed, be sure the content is still as robust as always. The superpave mix design manual for new construction and overlays ronald j. This is not a specification document and its content is not legally binding upon any department contract and.
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