Materials used in road construction pdf

Anr publication 8262 rial is not used in the road construction and must be hauled endhauled to an offsite disposal area. This document is available to the public materials, recycled asphalts, modified cements, modified through the national technical information service, springasphalts, metallic and polymer materials, synthetic ag. The questionnaire requested information on the type school of civil engineering, purdue university, west lafayette, ind. The geological background of natural road building materials used in all areas of road construction has a profound effect on the engineering performance of.

Eva polymers have been use in road construction for more than 20 years in order to improve both the workability of the asphalt during construction and its deformation resistance in service. Finalreport synthesisstudy useofwastematerialsin highwayconstruction to. What are the different types of road construction materials. Foreword this guide is a refined edition of the road construction materials. This article discusses the classification of roads based on many factors, such as materials, locations, and traffic. Pavements and surface materials page 3 pre molded asphalt blocks are also used for sidewalks, driveways, roads, plazas, piers and airport runways. Advanced high performance materials for highway applications. Engineering professional programs uw epp 10303 meridian ave.

Europa alternative materials in road construction trimis. Asphalt concrete is the best, smoothest, and most expensive surface. Pioneer road location at bottom of proposed fill provides a bench for holding fill material of completed road. A road surface or pavement is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkway. The thrust of this study is to generate scientific data which will form basis for using plastic modified bitumen in the construction and repair of roads in ghana, as well as provide scientific data on the alternative recycling options for managing plastic waste. Excavation works, along with all construction activities, must be undertaken in as safe a manner as possible to minimise the dangers to road users and the contractors personnel. Road construction materials basic knowledge and test procedures j. Course content building stones metals clay products gypsum lime cements mineral aggregates concrete timber these materials are used in all civil engineering structures such as. Use of waste plastic materials for road construction in. Use of recycled materials in highway construction author. Dedicated to my wife specioza and my daughter grace. Section 12 roadway materials introduction why do we care about materials for the roads. For instance, a materials engineer who is used to deal with the natural gravels.

Needs for advanced highperformance materials the needs for seeking advanced highway construction materials include. The use of recycled materials in highway construction by robin l. High performance concrete in the united states, in response to widespread cracking of concrete bridge decks, the construction process moved towards the use of high performance concrete hpc mixes. Field density is determined during construction using a nuclear. Native soil is the least expensive, and often poorest material. Classification of roads and their details pdf road transportation is an essential network for any country. Road construction materials for bridges, overpasses, and similar structures also include materials like steel reinforcing beams and similar supplies to create a stable structure that can withstand high weights. Highways agency hazardous materials in infrastructure construction. Forces resulting therefrom are absorbed by the joint sealing. Another asphalt surface, textured asphalt pavement involves. Aggregates are a component of composite materials such as concrete and asphalt concrete. Many of the wastes produced today will remain in the environment for hundreds, perhaps thousands, of years. Construction and building materials provides an international forum for the dissemination of innovative.

Foreword this guide is a refined edition of the road construction. The method and equipment used in road construction is an important economic and design factor in road location and subsequent design. Materials used in construction list of 72 basic items. Application of waste plastic materials in road construction. The use of recycled materials in highway construction. The waste plastic strip reinforced soil can be used in low cost embankmentroad construction leading to significant cost advantage as well as safe disposal of these waste materials in an. Roadway materials, and particularly roadway surfacing materials, such as aggregate or paving, can. This document is available to the public materials, recycled asphalts, modified cements, modified through the national technical information service, springasphalts, metallic and polymer materials, synthetic ag field, virginia, 22161. In the past, gravel road surfaces, cobblestone and granite setts were extensively used, but these surfaces have mostly been replaced by asphalt or concrete laid on a compacted base course. Bricks are the most commonly used construction material. Crushed aggregate is the most common improved surfacing material. These cracks are caused by different expansion and drying properties of the materials used.

Aggregates are accumulation of minerals and materials found in particular size and shape and mostly used in civil engineering constructio. Rapid pavement construction tools, materials and methods 7. Modern technology used for highway bituminous road construction plan in india. The blocks range in thickness from 114 for a basic waterproofing surface to 3 roads and ramps. One of the principal plastomers used in pavement applications is the semicrystalline copolymer, ethylene vinyl acetate eva. Suitable materials should be used when possible in the works. There are various types of geosynthetics used in civil engineering and construction works. The waste plastic strip reinforced soil can be used in low cost embankment road construction leading to significant cost advantage as well as safe disposal of these waste materials in an. Bricks are prepared by moulding clay in rectangular blocks of uniform size and then drying and burning these blocks. Only 18% to 19 % of the total annual required aggregates for road construction was surrogated by recycled aggregates that represented in total a million tons according to the state of aggregates report issued by ministry of the national resource of ontario in 2009 6. Excavated suitable materials should be used when possible in the works.

These materials are used in all civil engineering structures such as. The subgrade material should be clean and free from organic matter and should be able to be compacted by roller, to form stable subbase. Apr 20, 2017 bituminous materials bituminous material, or bitumen in the form of asphalt, is one of the major highway construction materials used. Aggregates are accumulation of minerals and materials found in particular size and shape and mostly used in civil engineering construction. Rapid pavement construction tools, materials and methods. The scope of construction and building materials includes, but is not restricted to, materials, ndt and monitoring aspects of new works and repair and maintenance of the following. Pdf the development of road construction material selection. For road construction, aggregate classified according to size. The high contact pressures caused by construction operations on an unstable soil may be reduced by limiting the size of the construction equipment being used until the embankment is high enough to distribute the load of heavier equipment. Michael,director may21,1991 jointhighwayresearchproject projectno. The material should have the following characteristics. As the world population grows, so do the amount and type of waste being generated.

There are lots of traditional materials used in road construction. Structural steel, concrete, and other materials may be used to create the supports, with an asphalt roadbed to allow cars to pass. Use of waste plastic materials for road construction in ghana. Geosynthetics in civil engineering and construction works. Construction aggregate, or simply aggregate, is a broad category of coarse to mediumgrained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Hazardous materials in infrastructure construction project.

The varying proportions of waste plastic materials and bitumens are to be used as binder in the preparation of metal road and a comprehensive study is to be done with regard to compressive strength of the metal road as well as abrasion resistance of the aggregates used in the preparation of the road. Apr 29, 2020 road construction materials for bridges, overpasses, and similar structures also include materials like steel reinforcing beams and similar supplies to create a stable structure that can withstand high weights. Kisunge road construction materials basic knowledge and test procedures j. This construction practices and procedures manual is intended to provide a quick field guide to the construction methods to be adopted for the most commonly used construction items included in the specifications this document was prepared by consultants funded by gob through rrmp2 funds. A road to be built by an operator whose only equipment is a bulldozer requires a different design than a road to be built by a contractor equipped with hydraulic excavator, scrapers, and bulldozer. The subgrade must be thoroughly compacted, generally with a sheeps foot roller, to provide a strong platform for construction activities. Selection of materials directly affects the function, structural support, rider comfort, environmental impact and. Concrete pavement construction basics compaction and trimming before compacting, subgrade material may have to be brought to the optimum moisture content. Use of recycled materials in road construction request pdf. Embankments, tunnels, and bridges are constructed, and then vegetation is removed by deforestation, if necessary.

This building materials and construction books collection list is not. Modern road construction involves the removal of geographic obstacles, and the use of new construction materials that are far more improved and durable. Aggregates are the most mined materials in the world. Roadway materials, and particularly roadway surfacing materials, such as aggregate or paving, can be half the cost of a road. Properties, functions and uses of geosynthetics are discussed. Finally, tools and equipment need regular maintenance, requiring good workshop facilities, a reliable supply of spare parts and quali. Pdf road construction materials basic knowledge and test. The high contact pressures caused by construction operations on an unstable soil may be reduced by limiting the size of the construction equipment being used until the embankment is high enough to distribute. Depleting sources for granular and other elementary raw materials, combined with the limited availability of funds for projects, has been generating new opportunities for innovative. Guidelines on the selection and use of road construction materials.

The currently used materials for pavement construction can be classified as follows. Guidelines on the selection and use of road construction materials by transport research laboratory this report prepared for the infrastructure and urban development division iudd of the department for international development dfid knowledge and research program must not be referred to in any publication without the permission of dfid. Inspect all materials used in the construction of concrete work at their source, on the job, or both. Bituminous materials bituminous material, or bitumen in the form of asphalt, is one of the major highway construction materials used.