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畸变补偿法在滑坡模型试验中的应用可行性探索
引用本文:牛恩宽,罗先启,张振华.畸变补偿法在滑坡模型试验中的应用可行性探索[J].岩土力学,2009,30(2):457-462.
作者姓名:牛恩宽  罗先启  张振华
作者单位:三峡大学 三峡库区地质灾害教育部重点实验室,湖北 宜昌 443002
基金项目:国家自然科学基金,湖北省教育厅科学研究计划项目,湖北省自然科学基金,三峡大学科学基金 
摘    要:传统的滑坡模型试验必须进行大规模的相似材料配比试验研究,要花费大量的人力物力,工作量是惊人的,并且常常伴随着由于介质性质难以控制或模拟所必然产生的畸变,这种畸变用传统的方法难以考虑,却在很大程度上影响了试验的精度。以调整滑坡物理模型渗透系数为例,探索了模型畸变补偿的方法,为采用与原型相同的材料开展滑坡物理模型试验提供了一种新的思路。该方法在滑坡物理模型试验中具有良好的应用前景。

关 键 词:滑坡  模型试验  相似材料  畸变补偿  渗流系数  
收稿时间:2007-03-27

Feasibility exploring of application of distorted and compensated method to landslide model test
NIU En-kuan,LUO Xian-qi,ZHANG Zhen-hua.Feasibility exploring of application of distorted and compensated method to landslide model test[J].Rock and Soil Mechanics,2009,30(2):457-462.
Authors:NIU En-kuan  LUO Xian-qi  ZHANG Zhen-hua
Institution:Key Laboratory of Geological Hazards on Three Gorges Reservoir Area of Ministry of Education, China Three Gorges University, Yichang 443002, China
Abstract:Large quantities of similar material experiments are absolutely necessarily parts of landslide model tests in the past. The similar material experiments will cost a great deal of manpower and material resources, while the distortions happen due to the material property hard to control or simulate. The distortions are difficult to be eliminated by traditional ways, but the distortion will reduce the accuracy of the test to a great extent. Taking adjusting the seepage coefficient of the landslide model test for example, a way to eliminate distortions of landslide model test is explored; and a new thought to do landslide model test on the condition that the model materials are the same of the prototype is proposed. The way is feasible and useful to eliminate distortions of landslide model test.
Keywords:landslide  model test  similar material  compensating distortions  seepage coefficient
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