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堆载预压软基处理最终沉降量及固结度计算分析

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该文结合某电厂堆载预压地基处理施工监测实例,对获取的大量监测数据进行了分析.通过对数据进行多项式拟合,采用三点法计算最终沉降量以及固结度;同时采用经验双曲线法计算软基处理的最终沉降量与固结度,并对两种方法进行分析.结果表明,经验双曲线法计算的固结度比三点法更小,指出了两种方法在实际工程中应用的注意事项,并做出了合理选择.
Calculation and Analysis of Final Settlement and Consolidation Degree of Soft Foundation Treatement by Preloading
This paper analyzes a large amount of monitoring data obtained by combining a construction monitoring example of a certain power plant's preloading foundation treatment.By fitting polynomial to the data,the final settlement and consolidation degree are calculated by using the three-point method.At the same time,the empirical hyperbolic method is used to calculate the final settlement and consolidation de-gree of soft foundation treatment,and the two methods are analyzed.The results show that the consolida-tion degree calculated by the empirical hyperbolic method is smaller than that by the three-point method.Points out the precautions for the application of two methods in practical engineering and makes reasona-ble choices.

preloadingfinal settlementconsolidation degreethree-point methodempirical hyperbolic method

孙广、张彦红、葛青茹、李雅晴

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中冀建勘集团有限公司 石家庄市 050227

堆载预压 最终沉降量 固结度 三点法 经验双曲线法

2024

勘察科学技术
中勘冶金勘察设计研究院有限责任公司

勘察科学技术

CSTPCD
影响因子:0.31
ISSN:1001-3946
年,卷(期):2024.(1)
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