Search U.S. government technical reports digitized or harvested by TRAIL.
Construction of the Wachusett-Coldbrook Tunnels
Construction of the Bingham-Copperfield vehicular tunnel
Chemical solidification of soil in tunneling at a Minnesota iron-ore mine
Safety practices in shaft sinking and tunneling :West Delaware aqueduct
Nonuniform radial loads applied to the boundary of a circular hole in an infinite plate
Stresses and displacements induced in rock by tunnel boring machine props
Technique of measuring initial deformation around an opening :analysis of two raise-bore tests
Drillability studies :percussive drilling in the field
Ground vibrations from tunnel blasting in granite :Cheyenne Mountain (NORAD), Colo.
Tunnel boring technology:disk cutter experiments in metamorphic and igneous rocks