ANALYTICAL_SOLUTIONS

作品数：179被引量：284H指数：9
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An analytical analysis for the mechanical performance of fully-grouted rockbolts based on the exponential softening model被引量：3
《International Journal of Mining Science and Technology》2022年第5期981-995,共15页Zhongwen Yue Akang Li Peng Wang Peng Wang 
This work was financially supported by the National Key Research and Development Program of China(No.2021YFC2902103);Meanwhile,the authors would also like to acknowledge the support provided by Beijing Gold-Bridge Funds and Beijing Excellent Young Engineer Innovation Studio.
This paper presented a novel bond-slip model to better reveal the mechanical behavior of the bolt-grout interface for fully-grouted rockbolts under tensile loads by considering the non-linear response in the softening...
关键词：Fully-grouted rockbolts Non-linear response Bond-slip model Anchor length Analytical solutions 
Analytical solutions for characteristic radii of circular roadway surrounding rock plastic zone and their application被引量：18
《International Journal of Mining Science and Technology》2019年第2期263-272,共10页Xiaofei Guo Zhiqiang Zhao Xu Gao Xiangye Wu Nianjie Ma 
supported by the National Natural Science Foundation of China (Grant No. 51234006);the National Key Research and Development Program of China (Grant No. 2016YFC0600708)
In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the p...
关键词：INHOMOGENEOUS stress field Analytical solutions CHARACTERISTIC RADII Morphological identification Disaster area 
Analytical solutions of hard roof's bending moment,deflection and energy under the front abutment pressure before periodic weighting被引量：9
《International Journal of Mining Science and Technology》2016年第1期175-181,共7页Jiang Haijun Cao Shenggen Zhang Yun Wang Chen 
supported jointly by the National Basic Research Program of China (No.2015CB251603);the National Natural Science of China (No.51374197);the Independent Project of State Key Laboratory of Coal Resources and Safe Mining (CUMT) of China (No.SKLCRSM12X06)
The distribution of front abutment pressure is closely related to the force,deformation and energy distribution of hard roof before periodic weighting. So it is necessary to carry out research on the relationship betw...
关键词：Periodic weightingFront abutment pressureYield zoneBending momentDeflectionBending strain energy 
Investigation of the short-term stress distribution in stopes and drifts backfilled with cemented paste backfill被引量：7
《International Journal of Mining Science and Technology》2015年第5期721-728,共8页Pengyu Yang Li Li 
the Natural Sciences and Engineering Research Council of Canada(NSERC);Institut de recherche Robert-Sauve en sante et en securite du travail(IRSST);industrial partners of the Research Institute on Mines and the Environment(RIME UQAT-Polytechnique)
Cemented paste backfill(CPB) is largely used in underground mines worldwide.A key issue associated with application of CPB is to estimate the stresses in backfilled stopes and on barricades.Recent numerical and experi...
关键词：Mines Cemented paste backfill Yield shear stress Short-term total stresses Arching effect Analytical solutions 
An improved method to assess the required strength of cemented backfill in underground stopes with an open face被引量：19
《International Journal of Mining Science and Technology》2014年第4期549-558,共10页Li Li Michel Aubertin 
financial support of the Natural Sciences and Engineering Research Council (NSERC) of Canada and the partners of Research Institute on Mines and the Environment (RIME UQAT-Polytechnique; http://rime-irme.ca)
Backfill is increasingly used in underground mines to reduce the surface impact from the wastes produced by the mining operations. But the main objectives of backfilling are to improve ground stability and reduce ore ...
关键词：Underground mines Backfill Required strength Analytical solutions Numerical modeling Mitchell＇s solution 
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