Load Testing of Various Types of Bridge Superstructures
Er. Vivek Abhyankar describes the steps and aspects of load testing of various types of superstructures, along with some cautionary measures and points to ponder upon by the designers, site engineers, and testing agencies. The information provided will be
Innovative Steel Plate Girders With Corrugated Webs
Girders with corrugated steel webs represent a new innovative system which has emerged in the past decade. These girders have thinner webs, higher fatigue resistance, and are more economical, easier to fabricate, more aesthetic, and provide faster construction
My Tryst with the National Namaste Signature Bridge
The iconic National Namaste Signature Bridge in Delhi over the river Yamuna appears languid in perpetual motion in the tradition of the Calatrava’s Bridges in motion, symbolizing nationalism in its visual form. V N Heggade, FNAE, Structural Consultant, Mumbai
Construction of Foundation & Sub-Structure of Bogibeel Rail-Cum Road Bridge Over River Brahmaputra- An Engineering Marvel
The former Prime Minister of India Shri H D Devagowda laid the foundation stone of the Bogibeel Bridge on January 22, 1997 at Kulajan (Assam). After 5 years of laying of the foundation, on April 22, 2002 the Prime Minister of India Shri Atal Behari Vajpayee
Construction of World’s Tallest Rail Bridge in India
As part of Northeast Policy, the Ministry of Railways took up the project of providing rail connectivity to Imphal in Manipur state. As per the detailed survey, the rail alignment takes off from existing Jiribam
Construction of New Brahmaputra Bridge & Road Works Near Tezpur - An Insight...
Brahmaputra is one of the longest river in Asia with a total length of 2880 km & out of which 920km (approx.) lie in India. The New Brahmaputra Bridge @ Tezpur is one of the most challenging one, in the attempt to bridge
Slope erosion protection of bridge approach embankment
The road and railway crossing across the Brahmaputra on National Highway-52B is located at Bogibeel, about 17km downstream of Dibrugarh in Assam. The location is an area of high intensity rainfall (the annual rainfall ranges
Art & Science of Bridge Engineering - A World Scenario
The world has progressed beyond imaginations. Similar to the field of IT, Civil Engineering has also taken several steps forward to bring out innovative technologies to meet challenges of this world’s aspirations. Going forward from
Dhola Sadiya - India's Longest River Bridge
The bridge lies in the state of Assam, but this location is usually referred to as upper Assam as it is far away from Guwahati and bordering China. The nearest airport is Dibrugarh. Then there is a drive of 65km into the
Innovation in Bridges Components and Materials
The Infrastructure Industry is continuously evolving; new roads, elevated corridors, expressways, railways, dedicated corridors, metros, mono-rails are being constructed all the time. They also require constant
World's Most Amazing Bridges
The 6.5 feet wide walkway in the Hongyagu Scenic Area in Hebei province hangs 755 feet above the ground, and is the world's longest bridge, which opened in 2017-end. Designed by Tel Aviv architect Haim Dotan
An Experimental Study to Estimate Loss of Prestress and Determining Fundamental Natural Frequecny of Prestressed Concrete Bridge
Prestressed Concrete (PSC) structures especially bridges are being largely used all over the world due to their multifarious advantages in terms of structural behaviour, economy as well as aesthetical
Experimental Investigations on the Structural Behaviour of a Distressed Bridge
Distressed structures require necessary remedial measures in order to restore their original structural properties like strength and stiffness. Validating the effectiveness of the proposed qualitative remedial
World’s Aesthetic Foot Bridges
Footbridges have a longer history than road or railway bridges. Ancient footbridges comprised of natural materials such as roots of trees, ropes, stones, masonry, and wood. Modern footbridges are built
Load Testing of Second Thane Creek Bridge, Mumbai
Load testing is done to determine the safe load carrying capacity of structures, determining if specific legal or overweight vehicles can safely cross the structure or needs to be restricted and the level of post
Corrosion Preventive Methods Adopted for Concrete Bridges During Construction
Cement concrete is a versatile building material and is the second most consumed material in the world, after water. It is made using porland cement, coarse, and fine aggregates, water and one or more
Recent Developments in Design and Construction of Concrete Road Bridges
Planning, design and construction of bridges and flyovers is very challenging at places with space constraints. There has been rapid development with the availability of high strength steel and concrete
Integral Abutment Bridges
The conventional bridges use expansion joints and bearings to accommodate the thermal movements of the bridge. However, they don't completely eliminate the distress caused because
Restoration of 45 Years Old PSC Bridge by External Post Tensioning
The use and advantages of Post Tensioning are very well known in the Civil Engg Industry as it has been in use for the last 40 to 50 years. Post tensioning is one of the best methods to induce stresses in the concrete
Signature Bridge: A Landmark Engineering Marvel in the Making
Wazirabad Bridge or Signature Bridge Project is an initiative of Delhi Government, planned during the Commonwealth Games. It was conceptualized to be a landmark tourist icon that would also speed
Analysis of Integral Abutment Bridge by Grillage Method
An integral bridge may be defined as having no expansion joints or sliding bearings, the deck is continuous across the length of the bridge. Integral bridges are alternatively referred to as integral abutment
Soil Structure Interaction of Integral Bridge Using Finite Element Method
A type of bridge that is used extensively in road applications in particular is the integral abutment bridge (IAB). The concept of "integral abutment bridge" has recently become a topic of remarkable
Rehabilitation of Distressed Bridges
Before carrying out any testing of the concrete structures using NDT methods, visual inspection of the structure is a must. Visual inspection is not confined to the surface, it also include examination of bearings
Strengthening of Mithi River Bridge at Mumbai Airport
Strengthening of RCC structural elements is a common task for maintenance nowadays. For the purpose of strengthening, several materials and methods are available such as sprayed concrete
Bridge Health Management
Bridge maintenance is necessary to keep all bridges traffic worthy. Immediately on completion of a bridge there is a need to keep observation on its behaviour under various conditions Distress if any
Prestressed Concrete Bridges for Nad-al-Sheba Race Course, Dubai
Dubai, one of the seven emirates was just a small fishermen colony, about fifty years ago (Fig.1a). But in the past 35 years, i.e. after the formation of United Arab Emirates (UAE), Dubai has developed by leaps and
Bridge Barriers and Parapets
Pedestrian barriers are typically the post/baluster type. Traffic barriers however come in avariety of configurations to suit particular circumstances, including flexible, semi-rigid, rigid beam and post
Fast Track Design and Construction of Bridges in India
Over the last 150 years, India witnessed glorious opportunities in the field of Bridge Engineering. The advent of Railways in India necessitated bridging major rivers. Well foundations were extensive
Bridge Over Corace River in Gimigliano Municipality: Urgent Traffic Rehabilitation
This work was one of the boldest kind of Maillarts ever made by Adriano Galli. This is the first example of arched road bridge, made of reinforced concrete and with stiffening deck in the South
I-35W Mississippi River Bridge Collapse and the G/P Phenomenon
The I-35W Mississippi River Bridge was constructed in 1967 to serve Interstate W35 traffic in Minneapolis, Minnesota. The bridge was provided with eight lanes for traffic which in 2007 numbered about 140,000
