珠海富水软土小应变硬化参数试验研究
Experimental study on parameters of small strain hardening model of Zhuhai soft soil with high water content
- 中山大学学报(自然科学版)(中英文) 2024年63卷第4期 页码：132-140
- 作者机构：
1.中山大学土木工程学院，广东 珠海 519082
2.隧道工程灾变防控与智能建养全国重点实验室，广东 广州 510275
3.珠海市轨道交通有限公司，广东 珠海 519100
4.中铁隧道局集团有限公司大盾构工程分公司，河南 郑州 450007
- 作者简介：
卫俊杰（2000年生），男；研究方向：宏细观土力学；E-mail：weijj8@mail2.sysu.edu.cn
胡正（1991年生），男；研究方向：宏细观土力学；E-mail：huzheng6@mail.sysu.edu.cn
- 基金信息：国家自然科学基金(52008409);广东省自然科学基金(2023A1515012140)
DOI：10.13471/j.cnki.acta.snus.ZR20240012
中图分类号： TU447纸质出版日期：2024-07-25，
网络出版日期：2024-04-10，
收稿日期：2024-01-06，
录用日期：2024-03-05
- 稿件说明：
移动端阅览
卫俊杰,凌飞,陈玉林等.珠海富水软土小应变硬化参数试验研究[J].中山大学学报(自然科学版)(中英文),2024,63(04):132-140.
WEI Junjie,LING Fei,CHEN Yulin,et al.Experimental study on parameters of small strain hardening model of Zhuhai soft soil with high water content[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(04):132-140.
卫俊杰,凌飞,陈玉林等.珠海富水软土小应变硬化参数试验研究[J].中山大学学报(自然科学版)(中英文),2024,63(04):132-140. DOI： 10.13471/j.cnki.acta.snus.ZR20240012.
WEI Junjie,LING Fei,CHEN Yulin,et al.Experimental study on parameters of small strain hardening model of Zhuhai soft soil with high water content[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(04):132-140. DOI： 10.13471/j.cnki.acta.snus.ZR20240012.
摘要
基于三轴排水、标准固结等室内试验，并结合经验方程，标定了珠海富水土体的成套HSS模型参数，并分析了主要强度参数
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、
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、
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和
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的比例关系，为珠海地区不同土层的HSS模型参数取值及计算提供参考。研究发现，珠海地区黏土的小应变参考剪切模量
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高于砂土，且远高于淤泥质黏土。与长三角等滨海地区相比，珠海地区的黏土因含水率较高，其参考割线模量
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，参考加卸载模量
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，参考切线模量
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和参考剪切模量
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均较低。
Abstract
This study completed a series of laboratory tests to obtain all HSS model parameters of water-rich soft soil in Zhuhai area， and analyzed the proportional relationship between the modulus of key parameters
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and
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， providing an important supplement to the HSS model parameters of different soil layers in Zhuhai area. Compared with the results in the literature， it is found that the small strain reference shear modulus
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of the clay in Zhuhai area is higher than that of the sand. Compared with other coastal areas such as the Yangtze River Delta
the water content of Zhuhai clay is higher
and its reference secant modulus
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reference loading and unloading modulus
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reference tangent modulus
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and reference shear modulus
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are lower.
关键词
富水软土HSS模型参数分析试验
Keywords
soft soil with high water contentHSS modelparameters analysistests
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