A Solution to the Time-Dependent Stress Distribution in Suborbicular Backfilled Stope Interaction with Creeping Rock
نویسندگان
چکیده
The creep behavior of deep weak rock masses is important due to an underground opening. Appreciating the nature and source these deformations requires knowledge mass ground support interaction. theoretical solution backfill’s internal stresses needs consider time-dependent effect. In present study, coupling interaction between nearby material in backfilled stope considered characteristics are given analytically. A then proposed regarding stress distribution suborbicular with creeping rock. Besides, correctness verified by numerical simulation, while influential parameters such as buried depth, lateral pressure coefficient, horizontal ratio, time surrounding mass, delay backfill, Young’s modulus thoroughly discussed. Research shows that when depth becomes large well rheological effect materials significant, backfill exceeds its self-weight presents significant characteristics. delayed backfilling weakens on material. Hence, timely multipoint simultaneous needed for a deformation mass. Lastly, this work will offer useful designing mines.
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ژورنال
عنوان ژورنال: Advances in Civil Engineering
سال: 2021
ISSN: ['1687-8086', '1687-8094']
DOI: https://doi.org/10.1155/2021/5533980