| 振动三轴试验误差的分析及校正 |
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| 引用本文： | 朱建群,栾茂田,冷艺,刘金龙. 振动三轴试验误差的分析及校正[J]. 岩土力学, 2006, 27(12): 2261-2264 |
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| 作者姓名： | 朱建群 栾茂田 冷艺 刘金龙 |
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| 作者单位： | 1. 中国科学院 岩土力学重点实验室，武汉 430071；2. 湖南科技大学 土木工程学院，湘潭 411201； 3. 大连理工大学 土木水利学院岩土工程研究所，大连 116024 |
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| 摘 要： | 振动三轴仪是室内土工试验中研究土体动力特性的重要仪器，但从以往的试验结果来看具有一定的离散性。这除了试验操作的人为误差外，振动三轴仪系统本身也会带来一定的误差，如双向动荷载的相位差不能达到预定值，系统本身的阻尼力，及试验数据的滞后性等等。为提高振动三轴试验的精确度，有必要对振动三轴试验的误差进行分析，找到误差的来源并进行相应的校正。
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| 关 键 词： | 土动力学 振动三轴 试验误差 |
| 文章编号： | 1000-7598-（2006）12-2261-04 |
| 收稿时间： | 2006-02-22 |
| 修稿时间： | 2006-02-22 |
Error analysis and correction in dynamic triaxial test |
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| ZHU Jian-qun,LUAN Mao-tian,LENG Yi,LIU Jin-long. Error analysis and correction in dynamic triaxial test[J]. Rock and Soil Mechanics, 2006, 27(12): 2261-2264 |
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| Authors: | ZHU Jian-qun LUAN Mao-tian LENG Yi LIU Jin-long |
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| Affiliation: | 1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. School of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; 3. Institute of Geotechnical Engineering, School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | The dynamic triaxial apparatus is the more important and popular testing apparatus in researching the soil’s dynamic properties. But the testing results are separate in some measure, which were caused by man made and the apparatus itself. For example, the phasic value of the bidirectional loads isn’t the value given in advance, which will lead to some error. So are the resistance and the hysteresis quality of the testing data from the apparatus. In order to enhance the exactness of the testing result, it is very essential to analyze the cause of error and to present some proposals about its mending. |
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| Keywords: | soil dynamics dynamic triaxial apparatus testing error |
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