About this document
History of Underground Constructions by AntonioJavierOstosMachado is a document available to read on EtoBox.
This document provides a history of underground construction and natural underground spaces. It discusses milestones from antiquity through the 20th century, including ancient water tunnels in Jerusalem and Greece in antiquity. In the middle ages, it discusses mining and construction works using gunpowder, as well as early canal tunnels. In the 19th century, technology advanced with tunneling shields and compressed air tools, and major railway, river, and subway tunnel projects were completed. The 20th cent
- Author
- AntonioJavierOstosMachado
- Language
- EN