Open Access Mini Review

Development of the Trenchless Installations for Underground Structures in Highway Systems

Carl M. Duan*

Senior Bridge Engineer and Specialist of Culverts and Underground Structures, California Department of Transportation, USA

Corresponding Author

Received Date: September 09, 2019  Published Date: September 12, 2019


There are many underground structures, such as culverts, tunnels and vehicle undercrossing in transportation systems throughout the world. These structures are used to convey water, wildlife, fish, pedestrians and vehicles. Their roles are just as important as surface structures, such as bridges.

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