According to the critical safety problem involved in resources development, the faculty developed a series of feature technologies, including:

 Fire early-warning and prevention technique in mining;

 Simulation and effective elimination of coal dust;

 Early-warning and comprehensive prevention technique of explosive gas;

 Environment-sound metal mining technique;

 Hazard prevention and control in mechanized mining;

 Etc.

(1) Fire early-warning and prevention technique in mining

The high-temperature points sheltered in goaves are hard to locate and result in spontaneous combustion. Therefore, the faculty has been developing fire prevention and control technology from both theoretical and practical perspectives.

Simulating the evolution of spontaneous combustion in goaves, according to the oxidation-temperature raising mechanism, and identifying the gas movement mechanism and streaming effectiveness. Next, figure out mechanisms in free radical incentive effects during low-temperature coal oxidizing process; multi-fields coupling effects in spontaneous combustion; gas streaming effect incented explosion.

 Designing novel types of inhibitors, including Inorganic salt gel, Nano-modified physicochemical compound gel, and Yellow mud compound gel, and coordinating with controllable dry technology and fire prevention skills in high gassy mine seam solves the problem of spontaneous combustion in goaves.

 Cooperating with the evolutional simulation of mine spontaneous combustion technology and intelligent prediction technology, based on the temperature distribution, establish the fire prediction system and spontaneous combustion model with the revision technique of sulfur coal seam.

(2) Simulation and effective elimination of coal dust

It is essential to develop specific technology against a mass of coal dust floating around the working site.

 Reveal the principle of dust movement, flow field distribution, and the relationship between wind pressure and wind flow by simulating:

 The driving face dust distribution under various ventilation scenarios.

 Fully mechanized coal face dust movement.

 The mass-concentration distribution and transforming principle of blast dust in heading stope.

 Study the mechanism of infusing water into the coal seam, controlling dust in stope blasting, the coupling relationship between multi-sources of dust and multi-field effect, and falling dust by magnetized spray. Identify the physical and chemical characteristics of mining dust, developing the dust control and reduction technology. Develop economic and efficient dust suppressants with broad applicability, promote the mining ventilation system, and collectively progress mining safety.

(3) Early-warning and comprehensive prevention technique of gas

To provide an effective and safe scheme for gas drainage, transformation, and exploitation, the following works are essential to be done:

 Focus on the micro-migration rule of gas, and establish an early-warning and prevention system.

 Reveal coal mine and gas rheological mechanism, microstructure's impact on coal gas adsorption characteristics, and mechanism of coal gas dynamic disaster induced by the dynamic and static load.

 Develop a series of new technology like electromagnetics monitoring for gas dynamical disaster, dynamic monitoring, and warning technology of abnormal state of coal and gas, a real-time automatic monitoring system for acoustic-electric gas in coal and rock dynamic disaster, etc.

 Study the bidirectional gas diffusion mechanism of gas injection in coal seam gas displacement process

 Develop the comprehensive control and transformation scheme of gas by summarizing coal rock gas control scheme, dynamic disaster control scheme, and dissolved esterified coal gas control scheme.

(4) The environment-sound metal mining technique

 Study the theory and develop the technology of paste filling and environmental mining.

 Grasp the mechanism of mine filling and environmental tailings treatment theory by studying:

 The rheological characteristics of metal mine in tailing paste points.

 The deteriorated features of abundant water fulling materials.

 The evolutional mechanism of concrete corrosion damage.

 Macro- and Meso- mechanical model of static liquefaction.

 Achieve environment-sound metal mining cooperated with paste refilling by developing:

 Paste filling technology for weak, broken orebody.

 Huize paste filling material.

 Other novel filling gel used in mining.

 Solid waste backfilling technology in tailings goaf

 Design the mining and control scheme of:

 Deep underground metal ore leaching.

 Fluidization mining and bacterial leaching of ultrafine tailings.

 Transform the hypaethral to underground mining.

(5) Hazard prevention and control in full mechanized mining

 Study the fluid characteristics of rock under three-dimensional stress, the rock damage characteristics, and mechanical properties of ruptured rock via studying:

 The attributes of deep rock mass mechanics and distribution law of stress field.

 The attributes of the integrated structure of the underground compound field.

 Multi-field coupling mechanical properties of the rock mass.

 Metallogenic mechanism of fault active deposit in the mining area

 Identify hazards involved in the mining process by:

 Simulate the earth pressure transformation of metal mining.

 Develop the monitoring technology of ruptured rock.

 Develop the hazardous earth pressure warning technology in large-scale mining activities.

 Develop geological disaster prediction technology for deep mining.

 Other significant technologies of mining under complex conditions.

 Develop continuous mining technology of heavy stress and difficult mining bed, selective mining filling technology in large complex metal deposits by:

 Automatic identification technology of mine microseismic wave.

 Filling technology and ore deposit mining technology.