A drag bit is a large circumference bit used to enlarge a bore. The bit, as its name implies, is dragged back and forth through the bore, grinding another bit off with each pass until the bore is the correct diameter. Designed for use in soft formations such as sand, clay or some types of soft… View Full Term
Trending Terms
Trenchlesspedia Terms
Connect with us
Subscribe To Our Newsletter
By clicking sign up, you agree to receive emails from Trenchlesspedia and agree to our Terms of Use and Privacy Policy.
Time to get back to the basics! Sometimes the classic methods are the best option for your project. Learn all about conventional tunneling methods here.
There are two primary methodologies within the realm of underground construction: trenchless and cut-and-cover. Both methods have distinctive characteristics and…
By: Trenchlesspedia Staff
The U.S. and Canada saw a rise in the construction of underground infrastructure during a surge in its economic growth in the 1950s. Now these pipelines are aging beyond…
By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Asia is a large continent and varies vastly in terms of the economic status of the countries within it. In the East, Japan, and Israel on the edge of Western Asia are…
Directional boring isn't boringif it's done correctly and can be downright terrifying if it isn't. Directional boring isa trenchlessway to put drains and…
By: Will Carpenter
The efficient modern tunnel boring machine (TBM) that smoothly slices through clay, rock and shale is a result of many failed attempts at making a machine that is…
Angie's List, a nationwide home contractor referral service in the US, says trenchless technology is a good option in many cases. Reliance Home Services, a…
By: Phil Kendon | Technical Writer @ Trenchlesspedia
Like potholing, only smarter. You’ve got the list of underground utilities with a drawing of their planned or located paths that may cross the designed path of…