When dig high cutting, except the control of side slope Angle and shoulder (road) 's elevation, width. We also should control roadbed's filling and press degree.
路堑开挖除对边坡坡率以及路肩标高、宽度进行控制外，还要对基床填料及压实度进行严格控制。
2
The measure theories and methods of tilt angle and face angle are introduced combining with the composing principle and design of the transmitter of No-Dig navigating instrument.
Deficient floor slope Angle of an ore body often needs to dig a drift (or access) in its footwall rock when adopting non-pillar sublevel caving following-vein excavation.