Why so many old stone arches survive
Compression, mass and a lot of luck. A look at three arches that are older than the roads leading to them.
Short write-ups from walks along rivers: arches, trusses, footbridges, and the towns that grew around them.
Compression, mass and a lot of luck. A look at three arches that are older than the roads leading to them.
How to tell the common truss patterns apart from the riverbank, and what the diagonals are telling you.
Timber decks, suspension spans and one very wobbly cable crossing.