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Construction

Segmental Arches

Segmental arches are arches with an arc less than a 180-degree Roman arch. They seem to have been popular primarily in the 1700s and 1800s, although they were occasionally built in medieval times — rarely even by the Romans.   What is a Segmental Arch Bridge? The term “segmental arch” is rather a loose; technically […]

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Construction

On Roman Arches

The Roman arch, consisting of one half of a circle, is the typical rounded arch often seen with stone bridges. The Roman arch need not have a thick abutment to resist a horizontal thrust; rather, they start (“spring”) on a flat, horizontal plane. This makes them very easy to build, which is always an advantage […]

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Construction

Building Stone Arch Bridges: Masonry Basics

For the DIY enthusiast, building a stone bridge is a great project. Building with stone is actually is not so very hard once one acquires the knack; practice makes perfect. The best way to learn masonry is to do it. All you need to know are some masonry basics, and then you are ready to […]

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Construction

Stone Arch Bridges: Who Built It?

One characteristic of masonry structures in general, and stone arch bridges specifically, is the fact that the person(s) who built the bridge inevitably left behind a hallmark. Not just any and all plaques, but the workmanship itself is often telltale. Each builder has his own method, and, in the case of bridge contractors, the contracting […]

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Construction

How a Stone Arch Bridge Supports Weight

The stone arch bridge is a rather novel structure in the line of bridges. At a glance, it seems almost impossible that an arch, made of many discrete stones, could possibly stand, let alone support weight, yet that they do is entirely undeniable. Compression One more picturesque explanation of why an arch stands is that […]

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Construction

Stone Arch Bridges: Spans and How Many?

When building a stone arch bridge, the question sometimes arises as to how many arches are needed. In some cases the answer is obvious; for instance, a small gap begs for only one arch. But there are times when multiple arches are advantageous, despite the fact that a pier in the waterway is required. First, […]

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Construction

Building a Stone Arch Bridge

It is often desired to build a stone arch bridge. Such a structure is scenic and, of course, lends a fine touch to landscaping. The question is how do you go about doing it? We have provided this short guide as a very general rule of thumb; the details of your construction will vary. We’ve […]

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Construction

The Hydraulic Properties of Stone Arch Bridges

When building bridges, it is always necessary to take into account the hydraulic effects of the structure. Piers in a river, for instance, always cause interesting water-related phenomena. Not only is a pier vulnerable to being undermined by the action of water, a pier can obstruct trees and other floating objects in the river until […]