A slurry chamber is a pressurised chamber located just behind the cutting head in a microtunnel boring machine (MTBM). The purpose of this chamber is to provide slurry at pressure to the cutting face so that groundwater is prevented from entering the tunnel. In addition, the cuttings are mixed with… View Full Term
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The installation of pipelines is what trenchless technology is all about! Learn all about installation methods, materials and more right here.
Drilling mud, or drilling fluid, is a critical but often overlooked contributor to the overall success of a trenchless construction project. The wrong drilling mud has…
By: Tabitha Mishra | Civil Engineer, Technical Content Writer
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…
Trenchless rehabilitation projects are by nature executed on systems that are already in use. But for a repair to be executed safely and effectively, the pipeline must…
By: Phil Kendon | Technical Writer @ Trenchlesspedia
Pipeline inspection methods have improved over the years with the most recent and advantageous being the trenchless methods of intelligent pigging and robotic pipe…
Trenchlesspedia recently attended NASTT’s No-Dig Show 2019 (the largest trenchless technology conference in North America) in Chicago. We met many trenchless…
By: Trenchlesspedia Staff
Pipeline networks are one of the most vital infrastructure systems in modern civilization. They act mainly as distribution systems to facilitate the transportation of…
By: Krystal Nanan | Civil Engineer
Over the last several years, horizontal directional drilling (HDD) companies have enjoyed a steady increase in market shares, despite a slow down in oil and gas…
By: Denise Sullivan | Technical Writer @ Trenchlesspedia
A very striking comparison can be drawn between our extensive underground utility system and the internal system of the human body. Both cannot be seen with the naked…
Trenchless tunneling methods have literally changed the shape of laying and maintaining underground piping and utilities over the last 50 years. From an innovative…
Ecological impact of pipeline installation and the installation methods, trenchless or otherwise, are inextricably linked. Environmentally sensitive areas such as…
The soil underfoot isn't just soil (hint: it comes in 12 types and six general taxonomic groups (based on tactile responses), usually scrambled together with rocks…
By: Will Carpenter
Dig a trench, drop the pipe in it, cover it up, right? Uh, no, it's not quite that simple. In fact, installing a sewer definitely is not a do-it-yourself project for…
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