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《Journal of Anhui University of Technology and Science(Natural Science)》 2007-03
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Analysis of the uplift Mechanism of bolt-grouting body based on finite difference

FANG Cong-yan(Wuhu Vocational Institute of Technology,Wuhu 241000,China)  
In order to improve the working condition and stability of rock mass,it has become the a most frequently used measurement to apply various reinforcement anchor in geotechnical engineering.The bolting character of full grouting rock bolt was studied.The load transfer mechanism of tensioned grout anchor and pressured grout anchor was analyzed based on Mindlin's solution of displacement and finite difference method.The distribution of shear stress between bolt-grouting body and rock-body along the anchoring length are deduced based on finite difference method.The influential factors of the distribution of bolt-grouting body shear stress and axial force were analyzed.
【Fund】: 安徽省学校自然科学研究基金资助项目(2005kj389zc);; 建设部科学技术研究项目(2007-k6-11)
【CateGory Index】: TU476
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