For the compressive stress-induced failure of tunnels at depth,rock fracturing process is often closely associated with the generation of surface parallel fract
Axisymmetric bogus vortexes at sea level are usually used in the traditional bogus data assimilation(BDA)scheme.In the traditional scheme,the vortex could not a
The paper analyses the treatment measurements of railway roadbed main diseases in permafrost regions. Taking lessons from the diseases finally the mature experi