Category: Maintenance
-
The Key to Successful Repair: Understanding Failures
When repairing a stone arch bridge it is important to understand what caused the original failure. Merely patching or rebuilding failed components does not necessarily take care of underlying problems, which can in turn cause further maintenance issues.
-
Moisture Management in a Stone Bridge
Water retention, with causes ranging from incompatible mortars to poor initial design, can cause all manner of damage to a stone arch bridges. Here are some tips on ensuring a stone bridge can drain properly.
-
Mortar Maintenance Part 2: In Practice
Repointing mortar is a regular maintenance item in mortared structures such as stone arch bridges. In this post, we investigate the procedures for successfully repointing.
-
Mortar Maintenance Part 1: Some Basics
Repointing mortar is a regular maintenance item in mortared structures such as stone arch bridges. In this post we examine the value and limitations of repointing.
-
Repairing Fill-Related Problems
Fill-related problems in a stone arch bridge take on several forms, but often result in bulging, sliding, and failure of bridge components. These problems can be addressed.
-
Hidden Structural Features
Many stone arch bridge feature subtle design features that are tucked away out of sight within the structure, which can greatly complicate rehab and load handling calculations.
-
The Different Kinds of Mortar
In this post we will briefly examine what makes the various types of commercially available mortar mixes different, and how this relates to repairing historic structures.
-
When Walls Bulge
Bulging walls in the approaches and spandrel walls of a stone arch bridge indicate excessive force against them. This type of problem is fairly simply addressed.
-
Understanding Longitudinal Cracks in Arches
Longitudinal cracking is a common defect on stone arch bridges. While often not overly serious, under the right conditions this cracking can indicate a major problem.
Stone Arch Bridges 