| 拉力型锚索锚固段剪应力分布的高斯曲线模式 |
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| 引用本文： | 蒋忠信.拉力型锚索锚固段剪应力分布的高斯曲线模式[J].岩土工程学报,2001,23(6):696-699. |
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| 作者姓名： | 蒋忠信 |
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| 作者单位： | 铁道部第二勘测设计院岩土工程公司 四川成都610031； |
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| 基金项目： | 中国科学院知识创新工程项目(KZCX2-306) |
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| 摘 要： | 拉力型锚索、锚杆之锚固段的剪应力是非均布的 ,剪应力分布曲线是以 0为渐进线的单峰曲线。对不同工程类型的锚索、锚杆的实测数据的拟合表明 ,用三参数的高斯曲线来描述锚固段剪应力分布曲线较为贴切 ,并导出了曲线的极值、拐点、积分等特征值 ,讨论了锚固段的有效长度及其安全储备。
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| 关 键 词： | 拉力型锚索 锚固段长度 剪应力分布 高斯曲线模式 模式特征值 |
| 文章编号： | 1000-4548(2001)06-0696-04 |
| 修稿时间： | 2001年3月22日 |
A Gauss curve model on shear stress along anchoring section of anchoring rope of extensional force type |
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| JIANG Zhongxin.A Gauss curve model on shear stress along anchoring section of anchoring rope of extensional force type[J].Chinese Journal of Geotechnical Engineering,2001,23(6):696-699. |
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| Authors: | JIANG Zhongxin |
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| Affiliation: | The Geotechnical Company of No.2 Survey and Design Institute Ministr y of Railway Chengdu 610031 China |
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| Abstract: | Shear stress of anchoring rope(rod)of extensiona l force type is une venly distributed along anchoring section. Distribution curve of the shear stre ss is a unimodal curve with 0 as progressive line. According to fitting measured data in anchoring rope and anchoring rod engineering of different type, it is e xplained that describing distribution curve of shear stress along anchoring sect ion with a Gauss curve (a normal frequency distribution curve) of 3 parameters i s suitable. Characteristic values (maximum value ,inflection point and int egration value)of the curve are studied too. Further, effective length of the s ection and its coefficient of safety are discussed. |
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| Keywords: | anchoring rope of extensional force type length of an choring section distribution of shear stress Gauss curve model characteristic values of Gauss curve |
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