About this document
Support Pressure in Tunnel Conditions by Clovis Gonzatti is a document available to read on EtoBox.
This document summarizes research on the correlation between observed support pressure and rock mass quality in tunnels. Field data was collected from 20 tunnel sections measuring radius, depth, unit weight, rock mass quality (Q value), rock mass rating (RMR), hoop load in steel ribs, radial support pressure, and tunnel closure. The data confirmed that support pressure is independent of tunnel size but decreases rapidly with tunnel closure then increases beyond a limiting closure. A criterion was derived sh
- Author
- Clovis Gonzatti
- Language
- EN