Highways and Bridges


Corrosion Resistance in Reinforced Concrete Structures Corrosion Resistance in Reinforced Concrete Structures Corrosion Resistance in Reinforced Concrete Structures Corrosion Resistance in Reinforced Concrete Structures


Although steel reinforcement is embedded in the concrete, it is still vulnerable to corrosion. This corrosion deteriorates the bars and...

10 Best Ways to Prevent Gusset Plate Corrosion 10 Best Ways to Prevent Gusset Plate Corrosion 10 Best Ways to Prevent Gusset Plate Corrosion 10 Best Ways to Prevent Gusset Plate Corrosion


Gusset plate corrosion can cause a reduction in load carrying capability and ultimately lead to a collapse of the structure. Steps should...

A Failure Analysis of Hydrogen Embrittlement in Bridge Fasteners A Failure Analysis of Hydrogen Embrittlement in Bridge Fasteners A Failure Analysis of Hydrogen Embrittlement in Bridge Fasteners A Failure Analysis of Hydrogen Embrittlement in Bridge Fasteners


A case study showing some of the technical issues and problems that can arise in modern steel and concrete structures, including hydrogen...

Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges Hybrid Corrosion Protection Systems for Prestressed Concrete Bridges


Many reinforced concrete structures suffer from corrosion damage. Hybrid corrosion protection is an attractive alternative to traditional...

How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete


A hybrid anode system that combines the elements of realkalization, cathodic protection and galvanic protection can be used as a protection...

The Root Causes of Today's Multifactorial Concrete Problems The Root Causes of Today's Multifactorial Concrete Problems The Root Causes of Today's Multifactorial Concrete Problems The Root Causes of Today's Multifactorial Concrete Problems


A defect or problem in an existing reinforced concrete structure is multifactorial and often stems from obscure reasons. A proper root...

buried pipeline in corrosive soil buried pipeline in corrosive soil buried pipeline in corrosive soil buried pipeline in corrosive soil


Soil corrosion is a phenomenon that involves a number of complex chemical reactions that range widely in rate and severity depending on the...

Is Surface Preparation for Concrete Repairs a Fad? Is Surface Preparation for Concrete Repairs a Fad? Is Surface Preparation for Concrete Repairs a Fad? Is Surface Preparation for Concrete Repairs a Fad?


Proper attention to surface preparation is essential to achieve a robust bond between repair materials and the existing concrete substrate....

Marine Structures Create Unique Challenges for Third-Party Inspectors Marine Structures Create Unique Challenges for Third-Party Inspectors Marine Structures Create Unique Challenges for Third-Party Inspectors Marine Structures Create Unique Challenges for Third-Party Inspectors


Inspectors with previous marine experience tend to have a better feel for the ebb and flow of a project—however, even experienced marine...

VIDEO: John Oliver on America's Crumbling Infrastructure VIDEO: John Oliver on America's Crumbling Infrastructure VIDEO: John Oliver on America's Crumbling Infrastructure VIDEO: John Oliver on America's Crumbling Infrastructure


Infrastructure: it's our roads, bridges, dams, airports, power grids... basically anything that can be destroyed in an action film! Here's...

Using Metallization (Thermal Spraying) as Corrosion Prevention Using Metallization (Thermal Spraying) as Corrosion Prevention Using Metallization (Thermal Spraying) as Corrosion Prevention Using Metallization (Thermal Spraying) as Corrosion Prevention


Due to its durability and corrosion protection, metallization (thermal spraying) is an excellent protection method for structures with a...

The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation


An understanding of how cracks form and propagate enables us to design safer and more reliable structures at a lower cost.

The Effects of Corrosion on the Shear Behavior of Materials The Effects of Corrosion on the Shear Behavior of Materials The Effects of Corrosion on the Shear Behavior of Materials The Effects of Corrosion on the Shear Behavior of Materials


A problem that civil engineers currently face is corrosion of the steel reinforcements commonly found in aging infrastructure. Recent...

Why Concrete Delamination Occurs - and What to Do About It Why Concrete Delamination Occurs - and What to Do About It Why Concrete Delamination Occurs - and What to Do About It Why Concrete Delamination Occurs - and What to Do About It


Delamination in concrete slabs can be a serious problem. This article examines how to prevent them—and how to find and fix them when they...

Chlor-Rid Protects Steel from Salt Corrosion Chlor-Rid Protects Steel from Salt Corrosion Chlor-Rid Protects Steel from Salt Corrosion Chlor-Rid Protects Steel from Salt Corrosion


The cost of salt corrosion coatings failures are estimated at over US$6 billion per year.