Browse TRAIL Inventories

Control of roof and prevention of accidents from falls of rock and coal :suggested roof supports for use at faces in conjunction with mechanical loading

Methods of excavation and roof support used in some recently constructed tunnels

Tunneling machine research :development of an experimental full-scale research rock cutting device

Tunneling machine research :interaction between disk-cutter grooves in rocks

Tunnel boring technology:disk cutter experiments in metamorphic and igneous rocks

Tunneling machine research :size distribution of rock fragments produced by rolling disk cutters

Correlation of laboratory cutting data with tunnel boring machine performance


Published Year

Subject

Author