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Tunnel construction is a subset of underground construction . There are three basic types of tunnel construction in common use: Cut-and-cover tunnel, constructed in a shallow trench and then covered over. Bored tunnel, constructed in situ, without removing the ground above. They are usually of circular or horseshoe cross-section.
A tunnel construction is an underground passage provided beneath earth surface or water. Different methods of tunnel construction and their details are discussed.
Feb 21, 2023 · The basics of tunnel construction involve a series of steps that include surveying and site investigation, tunnel design, excavation and construction, and final finishing work.
Generally, the construction of NATM tunnel requires real-time, on-site measurement and monitoring to help determining the support system. In addition, the jacked tunnel method is often used to construct a short tunnel underneath certain obstructions, or a long pipe tunnel with a small diameter.
Tunnels are underground constructions used for transportations. The features, advantages, disadvantage and methods of tunneling in construction is discussed. The tunnel engineering is one of the most interesting disciplines in engineering. The work is complex and difficult throughout its course, even though it is interesting.
Tunnels are generally grouped in four broad categories, depending on the material through which they pass: soft ground, consisting of soil and very weak rock; hard rock; soft rock, such as shale, chalk, and friable sandstone; and subaqueous.
At its most basic, a tunnel is a tube hollowed through soil or stone. Constructing a tunnel, however, is one of the most complex challenges in the field of civil engineering. Many tunnels are considered technological masterpieces and governments have honored tunnel engineers as heroes.
