The use of anti stripping agents are having limited use only and the process also increases the cost of road construction5. Bitumen road construction steps in the modern pavement laying. Bitumen safety code safety, health and environmental aspects of design, construction, operation, inspection and maintenance of bitumen manufacture, blending, storage, distribution, product handling and use, and sampling model code of safe practice in the petroleum industry part 11 september 2005 4th edition published by energy institute, london. Ed caldeira 4104518006 road construction qaqc manual sample. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility. Applying sampling procedure for timber as required applying sampling procedure for concrete correctly applying sampling procedure for masonry correctly 7 unit a2. Some of the tests have evolved with the development of the industry and are empirical methods. The scope for pavement for the road construction consists of subbase of granular material, road base of crusher run, asphaltic concrete binder course and asphaltic.
Application of waste plastic materials in road construction. Main roads are responsible for delivering and management of a safe and efficient main road network in western australia. Tests applied on bitumen procedure of tests on asphalt. Bitumen used in pavement mixes should not indicate more than 1% loss in weight, but for bitumen having penetration values 150200 up to 2% loss in weight is allowed. The uneven surface to fill with 12 mm to 40 mm aggregates. Although bitumen and coal tar are similarly black and sticky, they are distinctly different substances in origin, chemical composition and in their properties. Waste plastic has potential for use in bituminous road construction as its addition in small doses about 510% by weight of bitumen helps in substantially improving the stability, strength. Natural asphalt is found in nature, either as lake pit or rock asphalt. Bitumen is a black or brown mixture of hydrocarbons obtained by partial distillation of crude petroleum. It is the ratio of force per unit area required to penetrate a soil mass with standard circular piston at the rate of 1. It also helps to satisfy todays need of increased road transport, for 1km x 3. Construction of bituminous concrete road,work methodology. Applying sampling procedure for steel correctly applying sampling procedure for soils correctly applying sampling procedure for bitumen correctly applying sampling procedure for timber as required applying sampling procedure for concrete correctly applying sampling procedure for masonry correctly.
Preparation of road bitumen from petroleum the refining of petroleum is most complex procedure producing a tremendous range of products. If the bituminous material is used in excess than the value for given mix, it effects the performance of the bituminous road. See fm 5472 for field identification of tar and asphalt paving compounds. Representing one of the worlds most expansive road networks, we are committed to working cooperatively and productively across all levels of government, to ensure our road network meets the needs of the community, industry and stakeholders. This document is not intended to be comprehensive and therefore does not provide information on all construction activities. Method statement for asphalt paving works are given below. What is bituminous road bituminous road consist of their surface with bituminous materials which is also called as asphalt. Yet when water is stagnated over road, it penetrates and results in pot holes, a defective spot on the pavement. Bituminous road, construction of bitumen road, asphalt road construction, methodology of road construction, wearing course,thickness of road,dbm road, bituminous concrete, procedure of. Only approved materials are used in the construction process. Penetration test of bitumenprocedure, apparatus, and uses for road construction 1 year ago cementconcrete penetration test of bitumen determines the hardness or softness of bitumen by measuring the depth in millimeter to which a standard loaded needle will penetrate vertically in five seconds while the temperature of the bitumen sample is. Asphalt paver work and dense bituminous macadam work at site dbm laying in road construction work duration. Work process specifications the quality manager ensures that work processes are controlled to ensure that the specified requirements are met.
Design procedure for bituminous stabilized road surfaces for low volume roads. Bitumen safety code safety, health and environmental aspects of design, construction, operation, inspection and maintenance of bitumen manufacture, blending, storage, distribution, product handling and use, and sampling model code of safe practice in the petroleum industry part 11 september 2005 4th edition published. Pdf road construction materials basic knowledge and test. It is sticky dark viscous liquid obtained from natural deposits like crude petroleum.
Preparation of road bitumen from petroleum the refining of petroleum is most complex procedure producing a tremendous range of products from the simplest hydrocarbon gas methane to the hardest bitumen with constituents of. The road construction activities considered here are surveying, clearing and grubbing, excavation, surfacing, and drainage. The grade of bitumen to be used would depend upon the climatic conditions and the traffic. Lundy department of civil engineering oregon state university. The use of anti stripping agents are having limited use only and the process also increases the cost of road construction 5. Oct 30, 2015 the primary use 70% of asphalt bitumen is in road construction, where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete. Design procedure for bituminous stabilized road surfaces for low volume roads 200828. The use of plastic waste in bituminous mixture for the. List of codes, design guides and reference materials. There are many tests which are conducted to check the quality of bitumen. Penetration test of bitumenprocedure, apparatus, and uses. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is discussed in this article. Bitumen is very important component of many construction sites like roads, highways.
Asphalt is a natural or manmade byproduct of petroleum distillation. The viscosity of the bitumen and aggregate mix plays important role in defining the performance of bituminous road. Managing the risks of working with bitumen and bituminous products. The primary use 70% of asphaltbitumen is in road construction, where it is used as the glue or binder mixed with aggregate particles to create asphalt concrete. Ever since we opened for business, weve taken a comprehensive approach to project management, providing our clients with more than bituminous products, hot asphalt mix and road rehabilitation.
Ductility of bitumen is its property to elongate under traffic load without getting cracked in road construction works. Standard construction specifications division 40 asphalt surfacing revised 1108 section 40. These fillings to make before the laying of the surface course. South african pavement engineering manual chapter 3 materials. Various laboratory tests on bitumen is conducted to check quality and different properties of bitumen for pavement construction. Kisunge road construction materials basic knowledge and test procedures j. Benzene international is singapore based bitumen manufacturer and exporter of all types cutback bitumen, medium and rapid curing cutbacks, liquid bitumen, bitumen asphalt of various grades of medium curing bitumen mc30, mc70, mc3000, rapid curing rc 70, rc250 and oxidizing bitumen r11515 and bitumen emulsions. Cbr test procedure california bearing ratio for road design. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. Base material shall be manufactured from hard, durable stone or recycled building materials free of clay lumps, organic matter and other deleterious substances. Materials testing preliminary sections page ii chapter context the south african pavement engineering manual sapem is a reference manual for all aspects of pavement engineering. Apr 06, 2018 preparation is the first step in the bitumen road construction steps. The construction managerproject engineer is responsible for the asphalt paving works.
Nddot standard specifications for road and bridge construction. Bituminous road, construction of bitumen road, asphalt road construction, methodology of road construction, wearing course,thickness of road,dbm road, bituminous concrete, procedure of road. Construction of bitumen rubber seals bituminous binders for road construction and maintenance test methods for bitumen rubber specifications for rubber in binders manufacture and construction of hot mix asphalt interim specifications for bitumen rubber supersurf. The results obtained by these tests are used with the empirical curves to determine the thickness of pavement and its component layers. Bitumen world zimbabwe road construction hot asphalt. Bitumen quality and manufacturing processespast and. Read a detailed procedure of bitumen penetration test with sample data. Road construction materials basic knowledge and test procedures j. The california bearing ratio test is penetration test meant for the evaluation of subgrade strength of roads and pavements. This procedure manual provides a guide to the correct onstruction c practices and procedures for use on road contracts by the roads and highways department. To construct the bituminous road, following steps which are already explained in the abovementioned types of bituminous surfaces. Bm is an undesigned, recipe type mix used for low traffic roads.
Preparation is the first step in the bitumen road construction steps. It is the cleaning of surfaces from hard rocks, stones holes, dust, and other materials. South african pavement engineering manual chapter 3. There are many appropriate manuals and guidelines available for. Road construction method statement method statement hq. Asphalt and tar bitumens are used in road and airfield construction. Hicks department of civil engineering oregon state university corvallis, or 97331 paul curren pavement engineering inc. Bitumen is a mixture of organic liquids that is black, highly viscous, sticky product used for paving roads, waterproofing products used in sealing roofs. Standard specification for urban infrastructure works 47 edition 1, revision 02 oct 2010. Bitumen world is a leading and reputable contracting company based in zimbabwe. This report describes a design method providing highway engineers and their staffs with the technical backing needed. An ambitious road construction plan is underway in india, which primarily involves bituminous pavements. This is the most widely used method for the design of flexible pavement.
Origin asphalt material have been utilized since 3500 b. Below is very brief road construction work method statement that outlines the complete process from laying the sub base to the laying of asphalt to achieve final product or outcome. Dedicated to my wife specioza and my daughter grace. The california bearing ratio test cbr test is a penetration test developed by california state highway department u. The bitumen content of a bituminous material is measured by means of its solubility in carbon disulfide. Its other main uses are for bituminous waterproofing products, including production of roofing felt and for sealing flat roofs. Apr 11, 2017 asphalt paver work and dense bituminous macadam work at site dbm laying in road construction work duration. For all emulsions, one sample is randomly selected from each of the first and. Bitumen shall be intended when material is referred to as asphalt cement, straight run bitumen, penetration grade bitumen or by its penetration value as for example 6070. Road construction unit costs are estimated by dividing the machine rates by the production rates for the various activities involved in road construction. Experience in using bitumen in engineering projects has led to the adoption of certain test procedures that are indicative of the characteristics that identify adequate performance levels. This is a reformatted version of the procedure last published in july 20 with some minor. If the uneven surfaces are large coarse aggregates uses for filling.
Design procedure for bituminous stabilized road surfaces for. Bituminous binders for road construction and maintenance. Bituminous roads deterioration rodrigo archondocallao etwtr the world bank base types and surface types and materials granular base asphalt base asphalt. Consequently it is essential that they are carried out in strict compliance with the. Bitumen quality and manufacturing processespast and present. Design procedure for bituminous stabilized road surfaces. Foreword this guide is a refined edition of the road construction. It composes 87% carbon, 11% hydrogen and 2% oxygen by weight. Bitumen road construction consists of various steps such as preparation of base course, application of bituminous coat, placement of bituminous mix, rolling and check for quality etc. Pat pick the date selected pages not a complete plan quality manual reporting forms inspection forms contact. Asphalt consists primarily of bitumens, which are highmolecularweight hydrocarbons soluble in carbon disulfide. Displaying bituminous road construction powerpoint presentations hdm4 road deterioration of bituminous pavements ppt presentation summary. When appropriate, the quality manager will specify project quality standards for work processes that may include. Various lab tests on bitumen for pavement construction.