2021
DOI: 10.1007/s40033-021-00264-3
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A Study of Stability Investigation of Immediate Roof for Extraction of Thick Coal Seam in India

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Cited by 5 publications
(3 citation statements)
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“…where: E 1 is the immediate roof elastic modulus; E 2 is the backfill body elastic modulus (Liu et al, 2017b); y 1 is the immediate roof compression; y 2 is the backfill body compression; h 1 is the immediate roof height (Mangal, 2021); and h 2 is the backfill body height.…”
Section: Foundation Coefficientmentioning
confidence: 99%
“…where: E 1 is the immediate roof elastic modulus; E 2 is the backfill body elastic modulus (Liu et al, 2017b); y 1 is the immediate roof compression; y 2 is the backfill body compression; h 1 is the immediate roof height (Mangal, 2021); and h 2 is the backfill body height.…”
Section: Foundation Coefficientmentioning
confidence: 99%
“…In order to verify the response ability of anchor bolt to continuous alternating load [14], its dynamic response test scheme is designed, as shown in Fig. 14.…”
Section: Dynamic Response Testmentioning
confidence: 99%
“…When the ultimate tensile load of the segmented constant resistance anchor bolt exceeds the preset value of the constant resistance device, the bolt body will not have excessive deformation or fracture failure [14]. Under the action of multistage prestress, the energy is released more slowly, so as to more effectively buffer the deformation of surrounding rock [15], and greatly reduce the possibility of major accidents such as roof fall and collapse.…”
Section: Analysis Of Optimized Support Effectmentioning
confidence: 99%