In 2016, Kolkata witnessed a major steel bridge failure of the Vivekananda Road Flyover during construction which led to 27 deaths and 50 injured. The construction work of a 2.2km flyover began in 2009 and was expected to be completed in 2010. Although six years behind schedule, it was not yet completed the erection part till 2016 (Figure 1).
The geometric properties of sections, which are indicators of the structural performance and load resistance capacity of sections, are characterized by the section shape and dimensions, regardless of material properties. These section properties are needed to calculate the bending/shear stresses, deflections, strength, and buckling, which are essential factors for the overall structural design of bridges.
Kyle Turner, PE, SPRAT I, IRATA I
In September 2020, we hosted a webinar, “How I Design Bridges : Seismic Design of Concrete Bridges" by Kyle Turner, P.E. from Michael Baker International.
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This webinar shows a bridge design carried out in 2017 for new Composite integral bridge.The B9090 White Bridge Replacement project was commissioned by The Highland Council, Designed by AECOM and constructed by RJ McLeod. The replacement bridge was commission to bypass a Category A Listed stone bridge, which was built in the early 1750. The new bridge is a 40m span integral steel/concrete composite structure designed to support the realigned B9090 over the River Nairn.
Section property must be applied when performing analysis as well as material properties. midas Civil provides 'Section Properties' function to define various section shape of structures. Section properties function has an option to define a geometry shape and to calculate section properties for the analysis. And also it has an option for the design feature in midas Civil. Therefore, you can use section properties function on your purpose.
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In February 2019, we hosted a webinar, "Case Study of Steel Composite Bridge Design" by Marco Bonomo, Senior Bridge Engineer, Atkins, UK
In March 2020, we hosted a webinar, “Case Study : Construction Stage Analysis of Precast Bridge" by Saathwik Vudayagiri, Structural Engineer, BECA.
MIDAS CIVIL Bridge Design Integral Bridges Soil Structure Interaction Case Study Continuum Media Spring Analogy Retaining Structures
Arch Bridges are one of the oldest types of bridges and have great natural strength due to its geometry. Since the weight of arch bridges is carried outward along the curve, from the arch to the supports, they can be the perfect choice for long-span erections. Many new developments and improvisations on the design and construction of arch bridges have taken place in recent years, one such is the utilization of Concrete-Filled Steel Tubular (CFST) structures to arch bridges. This article will mainly focus on the use of CFST structures in arch bridges and some examples of CFST arch bridges in China.
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High-speed rail is becoming increasingly popular worldwide. Many countries are investing in high-speed rail as a way to reduce travel times, improve transportation efficiency, and reduce dependence on automobiles and air travel. The growth of high-speed rail has been driven by factors such as increasing urbanization, population growth, and the need to reduce carbon emissions from transportation.
MIDAS CIVIL Construction Stage Case Study Precast Concrete Bridges Incremental Launching Method Temporary Works
This case study covers the following aspects:
Tips & Tutorials Substructures Structural Analysis Moving Load Analysis Solid Slab Bridge Reinforced Concrete Wood-Armer Moments
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This case study covers the following aspects:
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MIDAS CIVIL Integral Bridges Case Study Structural Analysis Time Dependent Material Properties Construction Stages
This case study covers the following aspects:
MIDAS CIVIL Prestressed Concrete Construction Stage Tips & Tutorials Precast Concrete Bridges Structural Analysis Time Dependent Losses Elastic Shortening
Prestress does not remain constant with time. Prestress loss is nothing but the reduction of initial applied prestress loss to an effective value. Loss of prestressing affects the strength of members and also significantly affects the member’s serviceability. Prestress loss is classified into two types:
Bridges are one of the most important engineering structures in the world. Why? Because they connect people and societies all around the world! Bridge engineering companies in the world try to make incredible bridges. However, like any other structure, safety must be the top priority when building these bridges because people’s lives are at stake if something happens to the bridges. Skills for bridge engineers are also needed. The following content will talk about some of the worst bridge collapses in history and the engineering issues around them.