With the rise of the fourth industrial revolution, traditional methods of analyzing investment
have been transformed into intelligent methods under big data and the Internet of Things …

Surrounding rock control is a big challenge in roadway with high stress in deep
underground engineering. To address this issue, Zhaolou coal mine–a typical kilometer …

Surrounding rock control is a tough issue in roadway with soft rock in deep underground. To
solve this problem, the original supporting scheme is monitored and analyzed on site with …

As coal mining operations progress to depths exceeding 1000 m, the long-term large-scale
deformation of deep roadways has been a subject of serious concern in regions with high in …

This paper deals with two shortcomings of the smooth-joint contact model (SJCM) used in
the particle flow code (PFC). The first shortcoming is the increase of the shear strength of the …

To explore the failure mechanism of roadway in layered soft rocks, a physical model with the
physically finite elemental slab assemblage (PFESA) method was established. Infrared …

To control the large deformation of the Changning Tunnel, based on the constant resistance
and energy absorption characteristics of the NPR anchor cable, first, through the physical …

In deep underground mining, achieving stable support for roadways along with long service
life is critical and the complex geological environment at such depths frequently presents a …

Coal is the vital source of energy in world and is a burnable brownish black or black
sedimentary rock contemporary in the rock strata in form of layers; thickness of layers may …

In this paper, the rock mass stability around the tunnels in an underground mine is
investigated using the distinct element method. A three-dimensional model was developed …