超固结比对静止土压力系数的影响
DOI: 10.13204/j.gyjz200612014
Keywords: 静止土压力系数,相对密度,固结试验,超固结比
Abstract:
通过试验证实静止土压力系数随超固结比(OCR)的增大而增大的规律。当超固结比(OCR)超过2.5时,静止土压力系数与超固结比为非线性关系,可用指数函数来近似表示。对于目前的采用土压力理论计算作用于挡土结构物的侧向土压力,应考虑上述超固结比的影响,避免挡土结构物设计的不合理。
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