Stone Arch Bridges

Tag: Forces

  • 4 Lesser-Known Stone Bridges of Kansas

    The Stone Slab Bridge

    Stone slab culverts represent an early and simple way to bridge a gap with stone. However, due to the inherent structural weakness of this design, only small spans are practical, demonstrating the advantages of the arch.

  • Stone arch culvert near Cedarvale

    Load Distribution Within the Arch

    The arch tends to gradually spread narrow loads over a larger area as the forces travel though the arch. In this post we outline why this is and some implications of this fact.

  • stone bridge

    The Spandrel Wall and the Arch

    Stone arch bridges feature spandrel walls in order to create a reasonably level roadway. These walls, however, are also an important structural part of the bridge, allowing it to carry heavier loads.

  • Wolf Creek Bridge

    The Timeless Stone Arch Bridge

    The stone arch bridge remains a form of construction that has never been equaled. Here are some considerations in favor of stone bridges even with modern advances in structures and materials.

  • Cedar Township 337th Road Culvert (1)

    Structural Considerations of Low-Rise Arches

    Low-rise arches make for daring designs with minimal “humps” in the road. However, there are certain structural considerations that need to be seriously taken into account when designing a low-rise arch.

  • DIY stone arch culvert

    Pros and Cons of Mortarless Masonry

    Mortarless masonry has several construction advantages over its mortared counterparts. However, with these advantages come a greater precision and skill required for long-term durability.

  • Model Roman arch

    The Middle-Third Rule

    The middle-third rule is a classic rule in masonry design. In this post we explain what this rule is, why it is associated with stability, and how it is derived, as well as its limitations.

  • Drystack Wall

    Masonry: Always Moving

    Gravity, aided by natural forces like freeze/thaw cycles, is always at work on a masonry structure either pushing it more firmly in place or pulling it apart. By working with these forces, better structures can be built.

  • Washed Out Roadbed

    Fill Work on a Stone Bridge

    Fill work on a stone arch bridge is best done cautiously, as the fill tends to play an important role in the overall stability of the bridge. Here are some tips and possible pitfalls for this type of maintenance.