An Encyclopaedia of World Bridges - David McFetrich

Bridges are one of the most important artefacts constructed by man, the structures having had an incalculable effect on the development of trade and civilisation throughout the world. Their construction has led to continuing advances in civil engineering technology, leading to bigger spans and the use of new materials. Their failures, too, whether from an inadequate understanding of engineering principles or as a result of natural catastrophes or warfare, have often caused immense hardship as a result... Zobrazit více