In this series of posts we compare slab, truss, and arch bridges, and explain why compression is crucial to an arch and how the arch operating in compression makes it durable.
Tag Archives: Quality of Construction
When to Use Mortar?
In this post we discuss the practical and economical advantages and disadvantages of mortared and mortarless masonry in relation to DIY stone arch bridge building.
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.
Working With Stone Part 1: Some Basics
Here are some basic pointers on selection and placement of the stones used in a stone bridge. This is part of a series on stonework, ranging from basic selection to cutting wedges.
The Masonry Joints
Making tight masonry joints is probably the trickiest part of building stone masonry. Fortunately, there are several ways to tighten the joints easily. Then too, masonry can be forgiving.
The Structural Significance of Solid Backing: Part 2
Solid backing provides some major structural support to stone arch bridges which use it. In fact, the backing can, to a degree, act as a load-carrying span in its own right.
The Structural Significance of Solid Backing: Part 1
Solid backing is actually a major structural component of a stone arch bridge which uses it. One of its advantages is that it provides a more consistent stiffness behind the arch.
Butler County’s Gothic Stone Culvert
We recently found another little-known stone arch bridge in Butler County, Kansas, north of Augusta. This culvert is unique as it features a pointed, Gothic-style arch.
Different Methods of Laying Arches
There are several ways to build a stone arch. Each method has advantages and potential pitfalls, but choosing the right one for you can make stone bridge building easier.
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.