An open face shield is a type of tunnel boring machine (TBM) that has no frontal support. It is used in trenchless tunnel excavation with either manual or machine digging. Its use is limited. and is dependent on the ground being tunneled and the objectives of the project. A TBM with an open face… View Full Term
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Gunite is a type of dry-mix concrete that is applied pneumatically. It is frequently used in the rehabilitation of pipes as well as installation of underground swimming pools.
Cast iron pipes have been a staple of city infrastructure since the 19th century. The metal is a durable choice that was a significant improvement over the previous…
By: Denise Sullivan | Technical Writer @ Trenchlesspedia
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