Precast Construction of a 10km Long Viaduct: A Boon to Industry
A major metro city of Southern India, Bangalore, has developed a major commercial hub called Electronic City in South-West of Bangalore. The area employs several hundreds of thousands of workers, majority
Cement Concrete For Durable Roads
The present stock of roads in India is out-dated, congested, wasteful of resources and extremely unsafe. India is losing its competitive advantage in the global economy because of its poor roads
Delhi plans and designs major urban traffic interchanges
Sometimes urban infrastructures for facilitating traffic are created for a specific purpose. New flyovers and traffic interchanges were created for the Commonwealth Games held in Delhi as mobility was perceived
Eco-friendly Pavement Blocks of Waste Glass, Fly Ash, and Dust
Pavement blocks, which are industrial products of pre-fabricated unarmed concrete, having various dimensions and special morphology, are used for pavement laying of residential projects carrying
Development of Combined Pavement Condition Prediction Model for Flexible Pavements
In any country, road network is the backbone of national development. India has about 4.3 million kilometer of road network which is one of the largest network in the world. This road network is carrying 85%
New Dimensions in Construction of Rigid Pavements
The main concrete roadwork for city roads was started in Mumbai in 1924. Marine Drive (Netaji Subhash Chandra Road) was constructed in 1938-1939 using semi mechanized methods. This road was laid
Maintenance Aspects of Asphalt Pavements for Roads and Highways
In General, Maintenance of Roads and Highways is an important activity to be carried out by Departments of Rural Roads, Roads & Highways. The life of an asset can be preserved and prolonged
Effect of Ageing on the Performance Properties of Bitumen
Road transport is the most sought transport mode and a good road network is the basic requisite for the sustained economic growth of a country. Globally, more than 80% of roadways are built as flexible
Design and Construction of Road Embankment
India depends primarily on coal based thermal power plants for electricity generation, leading to production of huge quantities of fly ash and subsequently its disposal problems. The solution
Warm Mix Asphalt
The first national workshop on Warm Mix Asphalt (WMA) in India was held on August 8th and 9th at IIT Madras (IITM), under the sponsorship of several major industries, and direction of the faculty members
Technical Inspection of Some Rural Roads
An effective and efficient infrastructure system particularly the road transportation network has become very crucial in our country for high economic growth and its sustenance in future. Owing
CRMB Pellets for Sustainable Road Infrastructure
The United States is home to nearly 3.7 million kilometers of paved roads, and 94% of these roads are surfaced with asphalt materials. It is estimated that approximately 4,000 asphalt contractors are producing
Field Experience on Performance of High Volume Fly Ash Concrete Pavement
Road infrastructure projects constitute huge investments that have to serve the society for a long time. High investing cost involved in these projects has to be justified from the benefits of a concrete
A Field Test to Determine Tack Coat Adequacy
Tack coat is a light application of emulsion or bituminous binder between existing roadway surface and the new overlay. The main purpose of the tack coat is to bond the two layers to prevent slip
Green Roads Life Cycle Assessment for Sustainability
Road infrastructure is one of the most expensive and extensive infrastructure assets of the built environment globally. In addition to the economic and social implications, this asset impacts the natural
A Snapshot of Pavement Engineering Papers Presented at the 2013 Annual Transport...
The Annual Transportation Research Board (TRB) meeting in the US is held every year in the month of January in Washington, DC. This meeting is very well attended, and most people who are involved in consulting work
Rehabilitation of PSC Bridge - A Case Study
A grade-separator was to be constructed at the Polytechnic crossing in Lucknow city on National Highway-24A. The construction work was started in May 2002 which was scheduled to be completed
Measures to Prevent Damages in Black Cotton Soil Areas
Black cotton soil, a cohesive soil, is considered a problematic soil for civil engineers. It has characteristics of swelling during rains and shrinking during summer. In both the conditions, it poses problems
Finite Element Modeling of Coir Geotextiles Embedded Pavement Overlays
Theoretical analysis was conducted to determine the effects of natural material like coir geotextile in characteristics of asphalt overlays. The objective of this study was to evaluate the effects of coir
Influence of Temperature on the Performance of Bituminous Pavements
In this technical note, we describe the influence of temperature on the performance of bituminous pavements. Temperature significantly influences bitumen properties throughout its lifecycle
New and Emerging Road Technologies for future
Durable, long-life roads and highways with low maintenance would be one of the priorities for the future society. To bear the increasing traffic loads, new materials and products will have to be developed. Managing
Emerging Issues for Road Construction and Maintenance – A Futuristic View
In the coming decades the design, construction and maintenance of roads will face a range of new issues and as such will require a number of new approaches. In particular, road authorities will be required
Permeability of Concrete - A "silent killer"
Excellent long-term performance of concrete structures is associated with both concrete strength and durability properties, e.g., Permeability which is a governing property to estimate durability
Public Private Partnership (PPP) in Road Infrastructure projects
This paper analyses a number of untouched issues related to PPP projects which play an immensely important role in these types of projects. Also it highlights various risks associated with PPP
Evaluation and Modelling the Performance of Pavement Drainage Systems
Urban road drainage is one of the key components which needs to be considered along with other parameters for urban pavement management system. Excessive water content in the pavement
Strategic Highway Construction in Hilly Terrain
Gravitational forces are always acting on a mass of soil or rock beneath a slope. As long as the strength of the mass is equal to or greater than the gravitational forces, the forces are in balance
Hot Mix Recycling of Asphalt Pavements materials – India
Recycling of existing asphalt pavement materials to produce new pavement materials results in considerable savings of material, money, and energy. The specific benefits of recycling can be
R&D in Road Transportation Sector CSIR-CRRI Contributions
A good road transport system is one of the best indicators of the economic and industrial development of a country and its growth. The road network in India has grown from 400,000 km in 1951 to about 3.5
Whitetopping- An Engineered Economical Long-lasting Solution for Distressed Roads
Whitetopping is an engineered method of placement of concrete overlay on existing distressed bituminous as well as concrete roads. In India, whitetopping technology is being adopted
Use of Geosynthetic Material For Reinforced Earthwall Construction
Reinforced earth retaining wall is comparatively a new construction technique. Due to its simplicity, economy and faster pace of construction, several such retaining walls have been constructed all over the world
