Tunnel boring machine
id:
tunnel-boring-machine-225-256044
title:
Tunnel boring machine
text:
A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology. Tunnel boring machines are an alternative to drilling and blasting (D&B) methods and "hand mining". TBMs limit the disturbance to the surrounding ground and produce a smooth tunnel wall. This reduces the cost of lining the tunnel, and is suitable for use in urban areas. TBMs are
brand slug:
wiki
category slug:
encyclopedia
description:
Device used to excavate tunnels
original url:
https://en.wikipedia.org/wiki/Tunnel_boring_machine
date created:
2004-04-05T07:39:18Z
date modified:
2024-09-14T13:54:45Z
main entity:
{"identifier":"Q130617","url":"https://www.wikidata.org/entity/Q130617"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/1/11/A_d%C3%A9li_pajzs_a_keresztez%C5%91kamr%C3%A1ban.jpg","width":1488,"height":786}
fields total:
13
integrity:
16