Exact(8)
The first of these experiments was the Mine-by Experiment, an excavation response study involving a mechanically excavated cylindrical tunnel in a pre-instrumented rock volume.
The Tunnel Sealing Experiment, focused on developing sealing technologies, also provided insight into the excavation response of the rock mass.
Excavation response experiments conducted as part of shaft construction recorded displacements, shaft convergence, stress changes, and microseismic events in the rock as excavation progressed.
To capture the correct tunnel excavation response, it is important to correctly resemble the stress path in situ in the numerical tools.
This mining case study illustrates the complex excavation response due to the contrasts in stratigraphy at Solvay Mine and presents a numerical modeling study that captures the dominant aspects of these conditions.
An excavation response test at the 240 Level of the URL involved similar monitoring, as well as pore pressure measurements, of a horizontal tunnel excavated through a subvertical water-bearing fracture.
Similar(52)
Because the levels of CatK activity were reported to vary, depending on where the OC originates from, the amount of collagen remaining at the bottom of the excavations; the response to a specific CatK inhibitor; and the expression levels of CatK.
Managing these investigations piecemeal became increasingly difficult and in 1975 he established and led a rapid-response excavation team known as the Central Excavation Unit.
As an attempt to more accurately model the nonlinear-elastic response and excavation damaged zone (EDZ) behavior induced by excavation and ventilation in clay/shale, we have incorporated and implemented a recently developed stress strain relationship, called the two-part Hooke's model (TPHM), within the TOUGH FLAC3D code.
During shaft sinking, extensometers were installed in the rock mass to determine rock mass response to excavation.
However, more efforts are necessary to improve the robustness of these kinds of approaches in the complex context of COx response to excavation works.
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