[1]顾佳沈,梅子玥.高填方下土体本构模型对波纹钢管涵结构影响分析[J].江苏水利,2026,(06):21-25.
　GU Jiashen,MEI Ziyue.Influence of soil constitutive models on the structural response of corrugated steel pipe culverts under high fill conditions[J].JIANGSU WATER RESOURCES,2026,(06):21-25.
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高填方下土体本构模型对波纹钢管涵结构影响分析()

《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2026年06期
页码:
21-25
栏目:
水利工程建设
出版日期:
2026-07-02

文章信息/Info

Title:
Influence of soil constitutive models on the structural response of corrugated steel pipe culverts under high fill conditions
文章编号:
1007-7839（2026）06-0021-0005
作者:
顾佳沈1; 梅子玥2
（1.江西水利电力大学，江西 南昌 330099；2.江苏省水利工程科技咨询股份有限公司，江苏 南京 210029）
Author(s):
GU Jiashen1;  MEI Ziyue2
（1.Jiangxi University of Water Resources and Electric Power, Nanchang 330099, China；2.Jiangsu Water Conservancy Engineering Technology Consulting Co., Ltd., Nanjing 210029, China）
关键词:
深埋填方; 波纹钢管涵; 邓肯-张模型; 围压相关模量; 非线性分析
Keywords:
deep fill;  corrugated steel pipe culvert;  Duncan-Chang model;  confining pressure dependent modulus;  nonlinear analysis
分类号:
TV698
文献标志码:
A
摘要:
高填方深埋条件下，填筑体围压超大，常模量线弹性模型难以充分反映其非线性变形特征。为评估高围压条件下土体本构模型选取对深埋波纹钢管涵结构的影响，以某抽水蓄能电站下库弃渣场一处70 m深埋波纹钢管涵为研究对象，在统一几何模型、边界条件及分层施工路径条件下，对线弹性土体本构模型及邓肯–张非线性土体本构模型进行对比分析。结果表明，非线性模型分析所得管顶最大沉降较线弹性模型提高约13%；最大环向压应力增幅约10%。两种模型的主要响应分布规律和强度判定结果一致。说明土体本构模型选取对结构变形预测影响明显，而对强度判定影响有限。对于以变形控制为主的高填方深埋工程，采用非线性本构模型更为合理。研究结果可为江苏省类似高填方埋置结构的数值分析提供参考。
Abstract:
Under conditions of high fill and deep burial, the confining pressure in the fill mass becomes extremely high, and the constant-modulus linear elastic model cannot adequately reflect the nonlinear deformation characteristics of the soil. To evaluate the influence of soil constitutive model selection on the structural response of a deeply buried corrugated steel pipe culvert under high confining pressure, a 70 m deeply buried corrugated steel pipe culvert located in the lower reservoir spoil disposal site of a pumped-storage power station is selected as the study object. Under unified geometric model, boundary conditions, and layered construction sequence, a comparative analysis is carried out between the linear elastic soil constitutive model and the Duncan-Chang nonlinear soil constitutive model. The results show that the maximum crown settlement predicted by the nonlinear model is approximately 13% greater than that predicted by the linear elastic model, while the maximum circumferential compressive stress increases by about 10%. The two models exhibit consistent main response distribution patterns and identical strength assessment results. This indicates that the selection of the soil constitutive model has a significant effect on the prediction of structural deformation, but only a limited influence on strength assessment. For high-fill deeply buried projects governed mainly by deformation control, the nonlinear constitutive model is more reasonable. The results can provide a reference for the numerical analysis of similar high-fill buried structures in Jiangsu Province.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2026-03-20
基金项目：国家自然科学基金（52579124）
作者简介：顾佳沈（2000—），男，硕士研究生，主要从事水工建筑物安全监控研究。E-mail:2300113168@qq.com
更新日期/Last Update: 2026-06-01