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Bridge Insight : New Development in Long Span Arch Bridges
The Latest Engineering Trends and Issues
Bridge Analysis MIDAS CIVIL Bridge Design Transverse Analysis Bridge Insight Moving Load Analysis Construction Stage Analysis Incremental Launching Method PSC Box Girder Bridge Segmental Box Girder Bridges Balanced Cantilever Method Cast-In-Situ Span-By-Span Construction Method
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Bridge Insight Loading Patterns Traffic Loading Skewed Bridges Bridge Deck Bridge Deck Geometry NA Loading Notional Lane Multi-Point Optimization Critical Live Load Skew Angle Vehicle Loadings
Contents
Eurocode Bridge Insight AASHTO midasBridge Strut-and-Tie Model STM B-region Bernoulli Region Nodal Zone Hydrostatic Nodal Zone Extended Nodal Zone Subdivision Nodal Zone Truss Model D-region Discontinuity Region Truss Analogy 45-Degree Truss Model Variable Angle Truss Modified Truss Model Plastic Truss Model Components of Strut-and-Tie Model Struts Tension Ties
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Bridge Analysis MIDAS CIVIL Bridge Design Bridge Assessment Bridge Insight Seismic Analysis Pushover Analysis Plastic Hinges Force-Based Method Nonlinear Analysis
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.
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.
In the dictionary, Camber is defined as "a raised surface or a member raised upward." In other words, it means ‘to bend higher than the original/target shape’.
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Currently, Prestressed Concrete Beam Bridge, which is generally applied as the most economical bridge type for small and medium-sized bridges in construction works such as highways and national highways, has been introduced to the entire bridge construction field for almost 60 years after the technical proposal.
In this post, we will look at the initial development story and trends of the Prestressed Concrete girder.
Bridge Analysis MIDAS CIVIL Bridge Insight Moving Load Analysis Vehicle Loads Influence Line Analysis Bridge Structures
Influence line & surface analysis are moving load analysis techniques for bridges used in many structural analysis programs. In this post, we will try to understand the basic contents of these two interpretation techniques.
Prestressed Concrete Bridge Insight Precast Concrete Bridges Tendon Profile Arrangement FEM Analysis Tensile Stress
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Prestressed concrete is a structural material that allows for predetermined engineering stresses to be placed in members to counteract the stresses of loads. It combines the high-strength compressive properties of concrete with the high tensile strength of steel. These prestressed concrete girder bridges are currently used in bridge construction all over the world. Research on materials and superstructures of bridges has shown that prestressed concrete girder bridges have the longest life span and require less maintenance than other bridges. Furthermore, these bridges are increasingly being used due to their aesthetic versatility, strength, quality, and reduced construction time.
MIDAS CIVIL Material Properties Bridge Insight Precast Concrete Bridges Structural Analysis Structural Modeling
With the advent of the IT era in the 21st century, information that was previously unavailable in the engineering market has become possible. Engineering simulation using a computer program is one of them, and it is currently used in most engineering industries.
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