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滑带土抗剪强度影响因素及其变化规律综述 被引量:15

Influencing Factors on Shear Strength of Slide Soils and Their Variation Rules
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摘要 滑带土抗剪强度取值对滑坡稳定性评价和滑坡治理工程设计起关键性的作用。通过回顾前人对滑坡的研究成果,总结了滑带土抗剪强度的影响因素及其这些因素(在一定条件下)的变化规律。研究的内容包括针对滑坡变形破坏到趋于稳定的五个发展阶段对应的滑带土峰值抗剪强度、完全软化抗剪强度、残余抗剪强度、长期抗剪强度和再生强度。最后,在调查清滑坡的变形破坏阶段的基础上,讨论了上述5个抗剪强度的取值问题。 The shear strength value of slide soils is important for the landslide stability and control design. Through the review of previous researching achievements for landslide, the influencing factors on the shear strength of slide soils and their variation roles under certain conditions are summarized here. Five shear strengths of slide soils are included in the study, i.e., the peak shear strength, fully softened shear strength, residual shear strength, long-term shear strength and the regenerative shear strength, which are corresponding with the stages of deformation and failure of the landslide. Finally, on the basis of knowing these stages through investigation, the valuation for the above five shear strengths is discussed, providing theoretical bases for evaluation of landslide stability.
作者 刘茂 赵其华
出处 《水利与建筑工程学报》 2010年第6期123-126,142,共5页 Journal of Water Resources and Architectural Engineering
关键词 滑坡 滑带土 抗剪强度 影响因素 变化规律 landslide slide soil shear strength influencing factor variation rule
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