Design of elastomeric bearings wirth spreadsheet design of elastomeric bearings for solid slab deckings. Many roadways in the county road system in the state of minnesota consist of unpaved aggregate surfaces. Difference between wbm and gsb in road construction. Find powerpoint presentations and slides using the power of, find free presentations research about bituminous road construction ppt. A branch road of 10m which is near is existing wbm road connected very near to the plot. Guidelines on the selection and use of road construction. Wbm roads free download as powerpoint presentation. Wbm water bound macadam road construction procedure video. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Best powerpoint templates download your favorites today. Steps in bituminous road construction the constructor. The very first step is site clearance which involves removal grass and vegetation along with any other objections which might be location excavation is carried out provided adequate side slope and dressing of excavation bottom the filling is done in layer not exceeding 20cm.
The process is often begun with the removal of earth and rock by digging or. The broken stones of base and surface course, if any are. World amazing modern technology road construction machines. For giving road a smooth surface with flexibility, asphalt concrete is used.
Typical road structure cross section sub grade, base. The collection of signs shown in this powerpoint template is realistic and reusable. This revised version of the quality assurance handbook for rural roads does not restrict itself to quality. Roadway construction carriageway pavement kerb shoulder sidewalks footpath 16. 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. Pioneered by scottish engineer john loudon mcadam around 1820 macadam is a type of road construction. Granular base comprises water bound macadam wbm, wet mix macadam wmm or other equivalent granular construction open graded mix. In wmm method, stones, binding material and water are mixed proportionately and. Design procedure for bituminous stabilized road surfaces for low volume roads. The main road which is near to site leads to kamineni hospital.
Excavation and construction of fills to bring the road to a desired grade. However if the screening used are of crushable material like moorum or soft gravel, there is no need to apply binding material, unless the plasticity index value is low. Wbm water bound macadam and wmm wet mix macadam are used for road construction in base course layer. This document is not intended to be comprehensive and therefore does not provide information on all construction activities. For example, blue earth county maintains approximately 720 miles on the county road system of which about 300 miles are gravel. Ppt road construction powerpoint presentation free to. Procedure of wbm road bituminous pavement road products. Typical road structure cross section sub grade, base course.
Embankments, tunnels, and bridges are constructed, and then vegetation is removed by deforestation, if necessary. The irregularities are filled in with premix chippings at least a week before laying surface course. To make this type of road more longlasting soil stabilisation must be used, but this can only be implemented if the design and implementation are done professionally. Preparation of subgrade preparation of subbase preparation of base preparation of wearing course preparation of shoulders opening to traffic step 1 construction of subgrade subgrade act as a cushion for other layers i. The roads are classified based on many factors as follows. Road transportation is an essential network for any country. It acts as a working plate form for the construction of upper pavement layers. Over the years, this construction material has been enhanced and developed to fit to the usage and requirements at site. They install proper road plates that provide temporary vehicular way in over narrow trenches, small manholes and other smaller site obstacles. Choose and download from hundreds of powerpoint road construction premade slides. The method and equipment used in road construction is an important economic and design factor in road location and subsequent design. Under construction powerpoint template under construction is a general term or sign used as a warning in construction sites and nearby areas. View and download powerpoint presentations on bituminous road construction ppt.
Construction process of concrete roads ppt kaseo heavy. Acts as a drainage layer, by protecting the sub grade from wetting up. Find powerpoint presentations and slides using the power of, find free presentations research about road construction ppt. It is 100% recyclable and saving non renewable natural resources. Home road xls road estimate template in excel format. The broken stones of base and surface course, if any are bound by the stone dust. Road estimate template in excel format web share 20160619t07. Macadam is a type of road construction, pioneered by scottish engineer john loudon mcadam. Water bound macadam road construction presentation. Classification of roads based on many factors such as materials, locations, traffic etc. The method simplified what had been considered state of the art at that point. Salient features of wbm roads wbm means water bound macadam.
What is the difference between wbm and wmm roads answers. Wbm stands for water bound macadam, and the term wbm road was derived in the memory of an engineer by name macadam who designed and formulated this road section. Then the borrowed soil is dump on the sub grade and well compacted,depth not exceed 10 cm. What is the construction process of a concrete road. Design procedure for bituminous stabilized road surfaces. Whether it is a flexible pavement or a rigid pavement, it has a wbm at its base. Quality assurance handbook for rural roads quality management system and quality control requirements. Hard trap stones of size from 65mm to 75 mm are spread out on the well. What is more important during road construction, compaction in the subgrade or side drainage.
Wbm construction aggregate road free 30day trial scribd. Powerpoint presentations on civil engineering civil ppt. Wbm water bound macadam road construction procedure. Asphalt requires an aggregate sub base material layer, and then a base layer to be put into first place.
Road construction procedure bluff city andale consruction andale construction. The pavement base course made of crushed or broken aggregates mechanically interlocked by rolling and voids filled by screening and binding material with the assistance of water 2. Sep 28 2014 road construction kerb a line of stone or concrete forming an edge between a pavement and a roadway so that the pavement is some 15 cm above the level of the road shoulder it is the side of the road sometimes it is. On the other hand when heavy vehicles use the road there is likelihood it will get dents and in the long run deteriorate. Road construction procedure bluff city andale consruction. Our proposed site is located at vijaya buildings, bandalguda, nagole road, hyderabad. Design procedure for bituminous stabilized road surfaces for.
Modern road construction involves the removal of geographic obstacles, and the use of new construction materials that are far more improved and durable. View and download powerpoint presentations on road construction ppt. Construction procedure for earthen road preparation of subgrade. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, procedure of wbm road bituminous pavement road, quarry, aggregate, and different kinds of minerals. Steel plates for road construction and steel road plates for rent trench pro is the dealer of choice for trench safety products. The broken stones of base and surface course,if any are bound by the stone dust is presence of moisture is called wbm. Wbm construction aggregate road surface free 30day. 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. Soil compaction is the process to increase the soil density in. Highway construction materials, equipments and practice 8 highway construction materials, properties, testing methods construction. Bitumen road construction consists of various steps such as preparation of base course, application of bituminous coat, placement of bituminous mix.
Earth road wbm road bituminous road cement concrete road 15. Wbm stands for water bound macadam, and the term wbm road was derived in the memory of an engineer by name macadam who designed and formulated this. Concrete and cement are the most widely used building materials in the construction industry for over 100 years. Design procedure for bituminous stabilized road surfaces for low volume roads 200828. Earth road wbm road bituminous road cement concrete road. Wbm road construction procedure construction of water bound macadam road involves the following 6 basic steps as given below. A free powerpoint ppt presentation displayed as a flash slide show on id. The other members of this expert group were shri d. 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. Project report on design of a residential building according. Road construction powerpoint templates w road construction. Collection of road construction diagrams and charts is available in powerpoint ppt format for your presentations. Jul 15, 2018 wbm water bound macadam road construction procedure video. The detailed project report shall be prepared as per the irc guidelines.
May 07, 2018 water bound macadam road construction. Pioneered by scottish engineer john loudon macadam around 1820 macadam is a type of road construction. The yellow and black color combinations are fairly attractive, too. Top five common road construction methods cbr testing uk. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Road development and additional secretary, ministry of road transport and highways.
Asphalt road construction is formulated to support the heavy traffic load and climatic conditions. Wbm stands for water bound macadam which is the most commonly used road construction procedure for over more than 190 years. Difference between wbm and gsb in road construction wbm water bound macadam is a base course having stone dust mixed in it gsb granular sub base or sub base granular base and subbase are. Road estimate template in excel format civil engineering.
Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Several researches are happening around this topic to increase the durability, strength and performance of this building material. General fill material should be free of organics, meet minimum. Mar 09, 2017 construction procedure for earthen road preparation of subgrade. Although this method required a great deal of manual labour, it resulted in a strong and freedraining pavement. Road construction requires the creation of an engineered continuous. The existing surface is prepared by removing the pot holes or rust if any. Analysis, specification and estimate on road works. For construction and repairing of national highways up to the stage of laying of bound macadam wbm would be replaced by wet mix macadam wmm. It enables traffic stresses to be reduced to acceptable levels in subgrade in the road cross section so that excessive deformation is prevented. Aug 31, 2014 project report on road construction 1.