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Effect of Saturation Time on the Coal Burst Liability Indexes and Its Application for Rock Burst Mitigation
Coal seam water infusion is one of the widely used techniques for rock burst mitigation, and the saturation time of coal is one of the essential factors influencing the effectiveness of waterExpand
The Height of Water-Conducting Fractured Zones in Longwall Mining of Shallow Coal Seams
The height of the water-conducting fractured zone is of significant importance for both the prevention of water inrush induced disasters and the design of longwall mines. To ensure the mining safetyExpand
Impact of Bedding Planes on Mechanical Properties of Sandstone
Currently, many underground structures are built in rock masses with bedded structures, such as coal mine roadways (Ning et al. 2017; Tan et al. 2015a, b, 2017), chemical and nuclear wasteExpand
Design and construction of entry retaining wall along a gob side under hard roof stratum
•As a new approach, harmonically flexible-hard gob-side retaining mechanical model was firstly proposed, which provides us both compression and supporting force required for a gob-side retainingExpand
Mechanical properties and damage constitutive model of coal in coal-rock combined body
Abstract Coal and rock mass bear loads together in underground engineering such as coal mining and roadway support, resulting in different mechanical properties from those of pure coal and rock mass.Expand
Progressive mitigation method of rock bursts under complicated geological conditions
Abstract Jingxi Coalfield, which is called “China's Geological Encyclopedia”, has a complicated geological condition. As one its representative mines, Muchengjian Mine has witnessed nearly thirtyExpand
In Situ Investigations on Failure Evolution of Overlying Strata Induced by Mining Multiple Coal Seams
Accurate evaluation of the failure evolution of the overlying strata after multiple mining actions is of great importance both for the prevention of water disasters and the mining designs. To ensureExpand
An innovative approach to thin coal seam mining of complex geological conditions by pressure regulation
Abstract The hard rock parting contained in thin coal seams constrains the development of high-efficiency mining due to high level of equipment wear and low mining advance rate. To achieve safe andExpand