... Abstract Google SketchUp is a kind of 3D modeling software which directly faces the creative design process, with the advantages of easy to use and strong function. 3D modeling is always the hotspot and nodes in dangerous rock masses disaster research on the basis of characteristics...

... photoelectric sensor receiver conventional equipment transmitter software part rotation rock fall new system software laboratory test rock slope protection net application sensor rail transportation Island rock fall event slope failure monitor rock fall response time Rock Characterisation...

... between MTF and fault 3. Stability of the shaft was analysed with Unwegde 3.0 software. Result of rock bolting of the shaft was not suitable because of depth of the tip wedges are longer than maximum allowable rock bolt length. The lowest safety factor occurred on wedge number 4 (SF=0.873). But using...