Introductory technical guidance for Professional Engineers interested in design and construction of tunnels, shafts and caverns. Here is what is discussed: 1. I

Introductory technical guidance for Professional Engineers interested in design and construction of tunnels, shafts and caverns. Here is what is discussed: 1. I

Introductory technical guidance for civil engineers, geotechnical engineers and construction managers interested in construction of tunnels and shafts. Here is

Introductory technical guidance for civil engineers, geotechnical engineers and other professional engineers nd construction managers interested in design and c

Introductory technical guidance for civil engineers, geotechnical engineers and other professional engineers and construction managers interested in design and