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张季如, 唐保付. 锚杆荷载传递机理分析的双曲函数模型[J]. 岩土工程学报, 2002, 24(2): 188-192.
引用本文: 张季如, 唐保付. 锚杆荷载传递机理分析的双曲函数模型[J]. 岩土工程学报, 2002, 24(2): 188-192.
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ZHANG Jiru, TANG Baofu. Hyperbolic function model to analyze load transfer mechanism on bolts[J]. Chinese Journal of Geotechnical Engineering, 2002, 24(2): 188-192.
Citation: ZHANG Jiru, TANG Baofu. Hyperbolic function model to analyze load transfer mechanism on bolts[J]. Chinese Journal of Geotechnical Engineering, 2002, 24(2): 188-192.
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锚杆荷载传递机理分析的双曲函数模型

Hyperbolic function model to analyze load transfer mechanism on bolts

    摘要
  • 摘要: 假定锚固体与锚杆周围岩 (土 )体之间的剪力与剪切位移呈线性增加关系 ,建立锚杆荷载传递的双曲函数模型 ,获得了锚杆摩阻力和剪切位移沿锚固长度的分布规律及其影响因素。根据埋设于黏性土中 4根灌浆锚杆的现场抗拔试验成果 ,分析了锚杆的荷载传递特性 ,计算与实测结果对比 ,二者较为吻合

     

    Abstract: On the supposition that the shear resistance increases linearly with shear displacement between the bolt and surrounding soil,a calculation model of load transfer with hyperbolic function is established.The distribution of frictional resistance and shear displacement along the anchoring length and the influence factors are obtained.Based on the field uplift tests of 4 grouted bolts buried in clay,the load transfer behaviors of bolt are described.The calculated values are compared with the results of tests,and good agreements are obtained

     

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