Results 251 to 260 of about 338,284 (271)
Some of the next articles are maybe not open access.
Structural motion of water-resisting key strata lying on overburden
Journal of China University of Mining and Technology, 2008Abstract Water-preserved mining is one of the important parts of the 'Green Mining' technological system. The purpose of water-preserved mining is to prevent water from bursting out in coal mines and thus to protect water resources. The principle of water-resisting key strata (WKS) is proposed to establish a model capable of guiding and developing ...
Hai PU +3 more
openaire +1 more source
Key Protecting Strata Criterion of Water Conservation Mining and its Application
Advanced Materials Research, 2013The entironment is deteriorating increasingly in north of Shaanxi Yushenfu mine with coal mining cosmically. The causation is the lapse of groundwater owing to mining. Water conservation mining has been the exigent request. Aiming at the need of water conversation mining in north of Shaanxi shallow seam mine, this article found key protecting strata ...
Ben Qiang Shi, Jie Zhang
openaire +1 more source
Coupling Effect between Single Key Strata and the Overburden Thick Sandy Soil Layer
Advanced Materials Research, 2011Through the simulation model test, coupling effect between single key strata and t overburden thick sandy soil layer is studied, failure character of thick sandy soil layer is obtained. Meanwhile, load transmitting law on the key strata(key block) is found. This discovery will make progress on dynamic roof structure theory.
Pei Zhang, Qing Xiang Huang
openaire +1 more source
Analysis of Water Insulating Effect of Compound Water-Resisting Key Strata in Deep Mining
Journal of China University of Mining and Technology, 2007Abstract The problem of water preservation in mining and the prevention of water-bursts has been one of the more important issues in deep mining. Based on the concept of water-resisting key strata, the mechanics model of the key strata is established given the structural characteristics and the mechanical properties of the roof rock layers of the ...
Mei-mei FENG +3 more
openaire +1 more source
The Mining-Induced Seepage Effect and Reconstruction of Key Aquiclude Strata During Backfill Mining
Mine Water and the Environment, 2019When mining coal below aquifers, the height of the water-conducting zone above the mine panel is widely used as one of the main criteria in assessing mine safety. However, its direct application to backfill mining is quite problematic, and alternative approaches have to be used to more accurately reflect the relevant processes.
Jixiong Zhang +3 more
openaire +1 more source
Key Technology for the Structure Design of Mining Metro Station in Rock Strata
Advanced Materials Research, 2014Focused on the mining method, the parameters of primary support, and the design method for the interface of metro station and air duct structure, what are encountered during the design of mining station in rock strata. Through the combination of numerical method and theoretical analysis, and the comparison with field measured data, we know that double ...
openaire +1 more source
Sedimentology, 1992
ABSTRACTDetailed models already exist that outline physical and temporal relationships in marine and marginal marine strata. Such models are still in their infancy in alluvial deposits. Recognition of tidal and estuarine influence in fluvial strata is critical to the development of high resolution sequence stratigraphic correlations between marine and ...
KEITH W. SHANLEY +2 more
openaire +1 more source
ABSTRACTDetailed models already exist that outline physical and temporal relationships in marine and marginal marine strata. Such models are still in their infancy in alluvial deposits. Recognition of tidal and estuarine influence in fluvial strata is critical to the development of high resolution sequence stratigraphic correlations between marine and ...
KEITH W. SHANLEY +2 more
openaire +1 more source
Analysis of Key Techniques for Pipe Jacking Construction under Complex Strata through Lakes
Hans Journal of Civil Engineering, 2023openaire +1 more source