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邯郸击实膨胀土的强度特性研究 被引量:1

The study of strength characteristic of compacted expansive soils in Handan
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摘要 基于室内强度测试试验,对邯郸击实膨胀土强度变化的时间效应、压力效应及含水量对强度的影响进行了研究。分析得出强度随着浸水时压力的增大而增大、随着浸水时间的增长而减小,初期强度衰减速度减小很快并且逐渐变小、最后趋于稳定;强度随初始含水量的增大而减小,内摩擦角和粘聚力与初始含水量呈负的线性相关。 Based on the tests in the laboratory, the effects of time and pressure and initial water content on compacted expansive soils in Handan are studied. The rule that strength increased with increasing the time, decreased with increasing the pressure in water is educed. The strength decreasing velocity is large at preliminary stage, decreased gradually with increasing the time, and tending to be astable state finally. The strength increased with increasing the initial water content, and the angle of internal friction and cohesion has negative linear relation with the initial water content were found.
出处 《河北建筑科技学院学报》 2004年第1期45-48,共4页 Journal of Hebei Institute of Architectural Science & Technology
基金 河北省自然科学基金项目(D2004000463) 邯郸市科技局科研项目(03043)资助
关键词 击实膨胀土 内摩擦角 粘聚力 初始含水量 compacted expansive soils angle of internal friction cohesion initial water content
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