![flac3d support flac3d support](https://r9e3k2m7.stackpathcdn.com/wp-content/uploads/2019/05/flac3d-6-0-tutorial-quick-start-tutorial.jpg)
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![flac3d support flac3d support](http://docs.itascacg.com/flac3d700/_images/tunnelexcav-plast30.png)
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FLAC3D SUPPORT SOFTWARE
Findings in HSC mechanism provide a reasonable basis for shallow seam mining, and have important significance for the implementation of safe and efficient mining.About CentOS: The Community ENTerprise Operating System (CentOS) Linux is a community-supported enterprise distribution derived from sources freely provided to the public by Red Hat. FLAC3D (Fast Lagrangian Analysis of Continua in 3 Dimensions) is numerical modeling software for geotechnical analyses of soil, rock, groundwater, constructs, and ground support. In view of the serious deformation of roadway 2220 in Majiliang Coal Mine after excavation, the surrounding rock deformation characteristics and stress redistribution of the roadway are studied and analyzed by numerical simulation technology, and the support. The “overburden strata-key strata-roadway pillars-immediate roof” integrated load has exceeded the yield load that leads to HSC accidents. Study on support Design of 2220 roadway in Majiliang Coal Mine based on FLAC3D. The results indicate that the key strata break along with rotations and reactions of the coal pillars deliver a larger concentrated load to the hydraulic support under intersection zone of roadway pillars than other conditions. Field observation was implemented to contrastively analyse the hydraulic support working resistance distribution rules under the roadway pillars in strike direction, normal room mining goaf, roadway pillars in dip direction and intersection zone of roadway pillars. Our expertise and knowledge are in the application of seismology to the understanding and imaging of both natural and anthropogenic deformation and fracturing processes in rock and brittle materials, at a range of scales from acoustic emission testing.
![flac3d support flac3d support](https://slideplayer.com/slide/16282585/95/images/4/FLAC3D.jpg)
The FLAC3D software was used to simulate the overlying strata stress and plastic zone distribution characteristics. Applied Seismology Consulting ( ASC) is a research and development, and consulting SME. Based on the HSC accidents occurred during the longwall mining of 3-1-2 seam, which locates under the intersection zone of roadway pillars in the room mining goaf of 3-1-1 seam, this paper employed ground rock mechanics to analyse the overlying strata structure movement rules and presented the main influence factors and determination methods for the hydraulic support working resistance. In this case, longwall mining safety and efficiency were seriously challenged. While the fully-mechanized longwall mining technology was employed in a shallow seam under a room mining goaf and overlained by thin bedrock and thick loose sands, the roadway pillars in the abandoned room mining goaf were in a stress-concentrated state, which may cause abnormal roof weighting, violent ground pressure behaviours, even roof fall and hydraulic support crushed (HSC) accidents.