Highways and Bridges

Latest Highways and Bridges Articles

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  Corrosion Failure

  The Effects of Stress Concentration on Crack Propagation

  When a structure or a machine is designed, it has to satisfy certain reliability and safety thresholds, based on a number of factors: the loads it is subjected to, the...

  By: Nemanja Pavlovic

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  Scientific Properties

  The Effects of Corrosion on the Shear Behavior of Materials

  Shear strength is a material property analogous to the ultimate tensile strength (UTS), with the key difference being in the plane in which the strain acts. It is still...

  By: Nemanja Pavlovic

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  Cathodic Protection

  How Hybrid Cathodic Systems Protect Reinforced Concrete

  This paper is a summary of the new technology being used to extend the life of bridges on the State Highway 16 Causeway Project near Auckland. The technology is built on...

  By: Corrie Cook

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  Concrete

  The Root Causes of Today's Multifactorial Concrete Problems

  Regular and planned asset maintenance is vital for reinforced concrete structures. Such maintenance should not be a "cosmetic repair" but rather a proper root...

  By: Hamid Khan

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  Concrete

  Is Surface Preparation for Concrete Repairs a Fad?

  Prior to the commencement of concrete repairs, the fundamental thing to consider is surface preparation. The amelioration of damaged concrete structures involves many...

  By: Hamid Khan

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  Prevention

  Why Concrete Delamination Occurs - and What to Do About It

  Delaminations in concrete slabs can be a serious problem, but often they are "heard" before they are seen. Here's an example:A concrete floor slab placed...

  By: Corrosionpedia Staff

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  Corrosion Prevention

  EIT Corrosion Detection Systems: Are They the Future?

  Prestressed concrete structures with post-tensioned (PT) tendons have been extensively used for bridges because they facilitate the creation of long-span superstructures...

  By: Shivananda Prabhu

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  Concrete

  Corrosion Resistance in Reinforced Concrete Structures

  Though the steel reinforcement (rebar) is embedded in the concrete, it is still vulnerable to corrosion. This concrete corrosion deteriorates the bars; thus reducing the...

  By: Krystal Nanan | Civil Engineer

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  Corrosion Prevention

  10 Best Ways to Prevent Gusset Plate Corrosion

  Many root cause analysis reports on steel bridge failures mention gusset plate corrosion as a likely cause for the failure. While gusset plates are a relatively small...

  By: Shivananda Prabhu

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  Corrosion Prevention

  A Failure Analysis of Hydrogen Embrittlement in Bridge Fasteners

  Problems with bridges and similar infrastructure in the USA have largely concerned degradation due to old age. However, one new bridge has been the subject of much...

  By: Rob Francis | Consultant, Aurecon Materials Technology Group

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  Corrosion Prevention

  Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges

  Many reinforced concrete structures suffer from corrosion damage. Causes include salt ingress due to the application of de-icing salts during winter maintenance,...

  By: C. Christodoulou and R. Kilgour

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  Corrosion

  5 Key Factors Present in Corrosive Soils

  Most construction projects involve interaction with the earth in one form or another. Almost all types of infrastructure, from above ground structures such as buildings...

  By: Krystal Nanan | Civil Engineer