Permeability model of gob based on sigmoid function and application in the airflow field simulation

Permeability model of gob based on sigmoid function and application in the airflow field simulation

Received:2016-03-14 Online:2017-11-15 Published:2017-12-26

Abstract

WANG Wei，CHENG Yuanping，LIU Hongyong，FANG Zhiming，LI Xiaochun，ZHAO Rong. Permeability model of gob based on sigmoid function and application in the airflow field simulation[J]. Journal of Mining & Safety Engineering.

[1]	. Mechanical analysis of roof separation within and outside anchorage zone above backfill area of gob-side entry retaining and its engineering application [J]. Journal of Mining & Safety Engineering, 2018, 35(5): 893-901.
[2]	. Structure stability analysis and control technology of surrounding rock of the secondary gob-side entry retaining [J]. Journal of Mining & Safety Engineering, 2018, 35(5): 877-884.
[3]	. [J]. Journal of Mining & Safety Engineering, 2018, 35(4): 869-876.
[4]	. [J]. Journal of Mining & Safety Engineering, 2018, 35(3): 575-.
[5]	. Rock burst start-up mechanism of peripheral roadway in double entry layout workface [J]. Journal of Mining & Safety Engineering, 2018, 35(2): 291-299.
[6]	. Model test on evolution mechanism of floor heave in gob-side retaining entry of deep mine [J]. Journal of Mining & Safety Engineering, 2018, 35(1): 1-9.
[7]	. Study on influence of overlapping rate of double layer gobs on stability of isolation roof and its mechanical model [J]. Journal of Mining & Safety Engineering, 2018, 35(1): 58-63.
[8]	YANG Peng，HUA Xinzhu，YANG Ke，PANG Dongdong，CHENG Shixing. Experiment of compound roof deformation characteristics of gob-side retaining entry in deep mine and support measures [J]. Journal of Mining & Safety Engineering, 2017, 34(6): 1067-1074.
[9]	. The falling process and mechanism of concealed gob roof during the caving mining of the gently inclined heavy ore [J]. Journal of Mining & Safety Engineering, 2017, 34(5): 891-898.
[10]	. Research on surrounding rocks control of narrow pillar with high-intensity fully-mechanized top coal caving mining in 15 m ultra-thick coal seam [J]. Journal of Mining & Safety Engineering, 2017, 34(5): 905-913.
[11]	. Size optimization and energy analysis of coal pillar in the driving roadway along gob of the isolated coalface [J]. Journal of Mining & Safety Engineering, 2017, 34(5): 914-920.
[12]	WU Jingke，KAN Jiaguang，XIE Shengrong，XIE Fuxing，ZHAO Yongqiang. Mechanism of asymmetric failure in deep gob-side entry retaining and its control technology [J]. Journal of Mining & Safety Engineering, 2017, 34(4): 739-747.
[13]	CHEN Yulong，ZHANG Yuning，LI Kebin，TENG Junyang. Distinct element numerical analysis of failure process of interlayered rock subjected to uniaxial compression [J]. Journal of Mining & Safety Engineering, 2017, 34(4): 795-802.
[14]	. Fracture condition and moving rule of surrounding rocks in the joint cutting immediate roof of thick-layer limestone [J]. Journal of Mining & Safety Engineering, 2017, 34(3): 488-494.
[15]	. The characteristics and application of flexible support technique for a roadway in deeply inclined coal seam [J]. Journal of Mining & Safety Engineering, 2017, 34(3): 542-548.

Permeability model of gob based on sigmoid function and application in the airflow field simulation

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments