Tunnelling shield
id:
tunnelling-shield-294-13185139
title:
Tunnelling shield
text:
A tunnelling shield is a protective structure used during the excavation of large, human-made tunnels. When excavating through ground that is soft, liquid, or otherwise unstable, there is a potential health and safety hazard to workers and the project itself from falling materials or a cave-in. A tunnelling shield can be used as a temporary support structure. It is usually in place for the short-term from when the tunnel section is excavated until it can be lined with a permanent support structu
brand slug:
wiki
category slug:
encyclopedia
description:
Protective structure used during the excavation of tunnels
original url:
https://en.wikipedia.org/wiki/Tunnelling_shield
date created:
date modified:
2024-04-08T01:18:21Z
main entity:
{"identifier":"Q2016868","url":"https://www.wikidata.org/entity/Q2016868"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9b/Thames_tunnel_shield.png","width":787,"height":542}
fields total:
13
integrity:
15