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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 청정에너지연구소 Journal of Ceramic Processing Research Journal of Ceramic Processing Research Vol.25 No.2
- 발행연도
- 2024.4
- 수록면
- 202 - 211 (10page)
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초록· 키워드
In the engineering application, trays are easy to break down to result in anchorage failure in the composite anchoring systems.
Therefore, the research carried out the force analysis with mechanics of materials to observe the main stress concentration anddeformation of the tray. From the findings of the force analysis, the structure and key parameters of the tray were optimizedwith reference of the existing tray design. Besides, the study turns to the finite element software to simulate and analyze thetray. The results manifest that tray failure during the support mainly results from the expansion and deformation of the taperhole squeezed by the nut, which causes the tray taper hole to rupture and crackle extend, thus leading to its crack. What’smore, the tray breaks for the compression of the tray edge by the surrounding rock. The maximum deformation at the largeend of the optimized tray tapered hole was reduced from 33.8 mm to 4.7 mm, approximately 86% with the shear stress reducedfrom 781.67 Mpa to 258.83 Mpa, about 66.8%. Using Sheet Molding Compound (SMC) to mould trays with new structure andconducting the test of tray bearing capacity, it can be found that its bearing capacity is up to 250 KN. After the taper hole ofthe tray is locally strengthened, its bearing capacity is increased to 304 KN.
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