Article(id=1220368081625469265, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1220368072699986922, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20250610, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1751731200000, receivedDateStr=2025-07-06, revisedDate=1765036800000, revisedDateStr=2025-12-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1768888024002, onlineDateStr=2026-01-20, pubDate=1766592000000, pubDateStr=2025-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768888024002, onlineIssueDateStr=2026-01-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768888024002, creator=13701087609, updateTime=1768888024002, updator=13701087609, issue=Issue{id=1220368072699986922, tenantId=1146029695717560320, journalId=1146119989267898375, year='2025', volume='48', issue='6', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768888021873, creator=13701087609, updateTime=1768888582821, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220370425566118679, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1220368072699986922, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220370425570312984, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1220368072699986922, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=65, endPage=71, ext={EN=ArticleExt(id=1220368081961013594, articleId=1220368081625469265, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Research on Finite Element Modeling Method of the Typical Road Under Impact Load, columnId=1154067058611446771, journalTitle=Missiles and Space Vehicles, columnName=Launch Support, runingTitle=null, highlight=null, articleAbstract=
The response of roads under hundred-ton-level impact loads is complex and affects the success of operations. Finite element models of elastoplastic roads can simulate road settlement responses under impact loads, but the accuracy of numerical simulation results lacks experimental validation. Additionally, model parameters exhibit significant variability, making it difficult to determine them in practical engineering applications. Different parameter settings greatly influence the accuracy of simulation results, making them difficult to support engineering operations. To predict the road response under impact loads and ensure operational success, this study selects a typical road layer structure and designs equivalent impact load tests to investigate the settlement response patterns of typical roads under impact loads. Based on experimental findings, appropriate constitutive models are selected for typical materials in each layer of the typical road. Methods are developed to adjust the nonlinear constitutive model parameters of loess subgrade through engineering parameters such as moisture content and compaction degree. A finite element model of the typical road is established for simulation. The simulation results are compared with experimental data in three dimensions: peak pavement settlement, residual settlement, and the geometric state of overall road surface settlement. The deviations are within 10%, verifying the effectiveness of the finite element modeling approach for typical roads. The related research results can be widely used in road transient impact response simulation.
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百吨级冲击载荷作用下道路响应复杂,影响作业成败。基于弹塑性道路有限元模型能够模拟出冲击载荷作用下道路的沉降响应,但数值计算仿真结果的准确性缺乏试验验证,同时模型参数离散性较大,难以结合工程实际确定,不同参数设置对仿真结果的准确性影响较大,难以支撑工程作业。为预示冲击载荷作用下道路响应情况,保证作业成功,选取典型道路路层结构,设计冲击载荷等效试验,研究冲击载荷作用下典型道路沉降响应特性。基于试验结果,针对典型道路各层材质选取合适的本构模型,研究通过含水率、压实度等工程参数确定黄土基层非线性本构模型参数修正方法,建立典型道路有限元模型开展仿真。从路面峰值沉降量、残余沉降量、道路表面整体沉降的几何状态三个维度对比仿真结果与试验数据,偏差在10%以内,验证了典型道路有限元模型建模方法的有效性。相关研究成果可广泛应用于道路瞬态冲击响应仿真。
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吉新博(1998—),男,工程师,主要研究方向为发射总体技术。
辛振伟(1992—),男,工程师,主要研究方向为发射总体技术。
张永阔(1993—),男,高级工程师,主要研究方向为发射总体技术。
王辉(1996—),男,工程师,主要研究方向为发射总体技术。
廉政(1991—),男,工程师,主要研究方向为发射总体技术。
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吉新博(1998—),男,工程师,主要研究方向为发射总体技术。
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吉新博(1998—),男,工程师,主要研究方向为发射总体技术。
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辛振伟(1992—),男,工程师,主要研究方向为发射总体技术。
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辛振伟(1992—),男,工程师,主要研究方向为发射总体技术。
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张永阔(1993—),男,高级工程师,主要研究方向为发射总体技术。
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张永阔(1993—),男,高级工程师,主要研究方向为发射总体技术。
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王辉(1996—),男,工程师,主要研究方向为发射总体技术。
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王辉(1996—),男,工程师,主要研究方向为发射总体技术。
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廉政(1991—),男,工程师,主要研究方向为发射总体技术。
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廉政(1991—),男,工程师,主要研究方向为发射总体技术。
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2017., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1220368085387760082, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, xref=null, ext=[AuthorCompanyExt(id=1220368085396148691, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, companyId=1220368085387760082, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Beijing Institute of Space Launch Technology, Beijing, 100076), AuthorCompanyExt(id=1220368085400342996, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, companyId=1220368085387760082, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=北京航天发射技术研究所,北京,100076)])], figs=[ArticleFig(id=1220368094598451830, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.1, caption=
Airbag internal pressure curve, figureFileSmall=n1gQhcjBvhIPI6QJ/rP1Zw==, figureFileBig=NJYSWz0KS9652rmrqqxmog==, tableContent=null), ArticleFig(id=1220368094741058172, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图1, caption=
气囊内部压力曲线, figureFileSmall=n1gQhcjBvhIPI6QJ/rP1Zw==, figureFileBig=NJYSWz0KS9652rmrqqxmog==, tableContent=null), ArticleFig(id=1220368094967550597, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.2, caption=
Overall deformation of the road under impact load, figureFileSmall=gout+vXyB4xC8FmLhZnHUw==, figureFileBig=ot8h7TvFSZyQn0jzgMfVzg==, tableContent=null), ArticleFig(id=1220368095064019592, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图2, caption=
冲击载荷作用下道路整体变形情况, figureFileSmall=gout+vXyB4xC8FmLhZnHUw==, figureFileBig=ot8h7TvFSZyQn0jzgMfVzg==, tableContent=null), ArticleFig(id=1220368095152099983, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.3, caption=
Modified yield surface of the DP cap model, figureFileSmall=lWRyvO/eNSyTL/Xq85ZFNA==, figureFileBig=4A8WMxhtvVVlfNomZzfykg==, tableContent=null), ArticleFig(id=1220368095235986067, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图3, caption=
修正DP帽盖模型屈服面, figureFileSmall=lWRyvO/eNSyTL/Xq85ZFNA==, figureFileBig=4A8WMxhtvVVlfNomZzfykg==, tableContent=null), ArticleFig(id=1220368096561386136, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.4, caption=
Mohr-Coulomb yield criterion in the stress space, figureFileSmall=WEPKhKyBNE/XL5o6wU2p+g==, figureFileBig=kDI602viJEozcBCYnu6ovA==, tableContent=null), ArticleFig(id=1220368096703992477, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图4, caption=
应力空间中的Mohr-Coulomb屈服准则[8], figureFileSmall=WEPKhKyBNE/XL5o6wU2p+g==, figureFileBig=kDI602viJEozcBCYnu6ovA==, tableContent=null), ArticleFig(id=1220368096804655779, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.5, caption=
Finite element model of the typical road, figureFileSmall=vsJZJPQilSGhN2cpgLfsMw==, figureFileBig=FEXewgYXVYJEm18ke5TvRw==, tableContent=null), ArticleFig(id=1220368097052119720, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图5, caption=
典型道路有限元模型, figureFileSmall=vsJZJPQilSGhN2cpgLfsMw==, figureFileBig=FEXewgYXVYJEm18ke5TvRw==, tableContent=null), ArticleFig(id=1220368097144394414, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.6, caption=
Simulation results of road displacement time-history curve, figureFileSmall=wHtgyLs4kwKe4a6+EtyO7w==, figureFileBig=eiMv1qOpBnpF/tM9PcXwgw==, tableContent=null), ArticleFig(id=1220368097274417842, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图6, caption=
道路位移时程曲线仿真结果, figureFileSmall=wHtgyLs4kwKe4a6+EtyO7w==, figureFileBig=eiMv1qOpBnpF/tM9PcXwgw==, tableContent=null), ArticleFig(id=1220368097421218489, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Fig.7, caption=
Comparison of road deflection between simulation and test data, figureFileSmall=VtMNwAs1hnQxRtEwYvBTHg==, figureFileBig=62ONTDSFCGVO5wPTu9dfpQ==, tableContent=null), ArticleFig(id=1220368097555436222, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=图7, caption=
道路仿真弯沉与试验数据弯沉对比, figureFileSmall=VtMNwAs1hnQxRtEwYvBTHg==, figureFileBig=62ONTDSFCGVO5wPTu9dfpQ==, tableContent=null), ArticleFig(id=1220368097626739395, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.1, caption=
Typical pavement structure of low-grade single-layer asphalt road
, figureFileSmall=null, figureFileBig=null, tableContent=
| 道路路层划分 | 路层厚度/mm |
|---|
| 沥青面层 | 45 |
| 石灰土基层 | 160 |
| 土基层 | 2 000 |
), ArticleFig(id=1220368097689653959, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表1, caption=
低等级单面层沥青道路结构
, figureFileSmall=null, figureFileBig=null, tableContent=
| 道路路层划分 | 路层厚度/mm |
|---|
| 沥青面层 | 45 |
| 石灰土基层 | 160 |
| 土基层 | 2 000 |
), ArticleFig(id=1220368097777734348, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.2, caption=
Typical pavement structure of low-grade single-layer asphalt road
, figureFileSmall=null, figureFileBig=null, tableContent=
试验道路路层 结构 | 试验前各层厚度/mm | 试验后各层厚度/mm | 道路整体变形占比/% |
|---|
| 沥青面层 | 45 | 45 | 0 |
| 石灰土基层 | 160 | 144 | 6.3 |
| 土基层 | 2 000 | 1 763 | 93.7 |
| 道路整体结构 | 2 205 | 1 953 | 100 |
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冲击载荷作用下试验道路动态响应情况
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试验道路路层 结构 | 试验前各层厚度/mm | 试验后各层厚度/mm | 道路整体变形占比/% |
|---|
| 沥青面层 | 45 | 45 | 0 |
| 石灰土基层 | 160 | 144 | 6.3 |
| 土基层 | 2 000 | 1 763 | 93.7 |
| 道路整体结构 | 2 205 | 1 953 | 100 |
), ArticleFig(id=1220368097983255252, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.3, caption=
Summary of soil constitutive model characteristics
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| 土基层本构模型 | 本构模型特性 |
|---|
| MC模型 | 塑性模型,模型基于剪切破坏准则,无法模拟土基层受压屈服现象 |
| DP模型 | 忽略了材料的非线性,难以反映土基层受压屈服现象 |
| 修正DP帽盖模型 | 在DP模型基础上,增加塑性帽盖屈服面,引入压缩导致的屈服,能够模拟土基层的大体积应变现象 |
| 临界状态塑性模型 | 可以反映土基层的压缩硬化性质与受压屈服现象,指数形式的硬化规律仅适用于ABAQUS/Standard |
), ArticleFig(id=1220368098062947032, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表3, caption=
土基层不同本构模型特性[6]
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| 土基层本构模型 | 本构模型特性 |
|---|
| MC模型 | 塑性模型,模型基于剪切破坏准则,无法模拟土基层受压屈服现象 |
| DP模型 | 忽略了材料的非线性,难以反映土基层受压屈服现象 |
| 修正DP帽盖模型 | 在DP模型基础上,增加塑性帽盖屈服面,引入压缩导致的屈服,能够模拟土基层的大体积应变现象 |
| 临界状态塑性模型 | 可以反映土基层的压缩硬化性质与受压屈服现象,指数形式的硬化规律仅适用于ABAQUS/Standard |
), ArticleFig(id=1220368098188776158, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.4, caption=
The parameters of constitutive model of soil base under natural conditions
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| 路层 | 密度/ (t·m-3) | 动态弹性模量/MPa | 黏聚力/kPa | 内摩擦角/(°) | 泊松比 |
|---|
| 土基层 | 1 800 | 180 | 13.9 | 28.1 | 0.35 |
), ArticleFig(id=1220368098343965413, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表4, caption=
试验条件下黄土基层本构模型参数
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| 路层 | 密度/ (t·m-3) | 动态弹性模量/MPa | 黏聚力/kPa | 内摩擦角/(°) | 泊松比 |
|---|
| 土基层 | 1 800 | 180 | 13.9 | 28.1 | 0.35 |
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The model parameters of lime soil layer
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| 路层 | 密度/ (t·m-3) | 弹性模量/MPa | 泊松比 | 内聚力/kPa | 内摩擦角/(°) |
|---|
| 石灰土层 | 1 750 | 600 | 0.25 | 200 | 25 |
), ArticleFig(id=1220368098578846447, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表5, caption=
石灰土基层模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 路层 | 密度/ (t·m-3) | 弹性模量/MPa | 泊松比 | 内聚力/kPa | 内摩擦角/(°) |
|---|
| 石灰土层 | 1 750 | 600 | 0.25 | 200 | 25 |
), ArticleFig(id=1220368098713064181, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.6, caption=
The model parameters of asphalt layer
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| 路层 | 密度/(t·m-3) | 弹性模量/MPa | 泊松比 | 劈裂强度/MPa |
|---|
| 沥青面层 | 2 500 | 2 500 | 0.25 | 1.5 |
), ArticleFig(id=1220368098834699003, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表6, caption=
沥青面层模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 路层 | 密度/(t·m-3) | 弹性模量/MPa | 泊松比 | 劈裂强度/MPa |
|---|
| 沥青面层 | 2 500 | 2 500 | 0.25 | 1.5 |
), ArticleFig(id=1220368098922779391, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=EN, label=Tab.7, caption=
Comparison table of simulation results and test data
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| 数据类型 | 试验数据 | 仿真结果 |
|---|
| 最大残余沉降量/mm | 253.00 | 235.05 |
| 回弹变形量/mm | 14.00 | 16.60 |
| 峰值沉降量/mm | 267.00 | 251.65 |
), ArticleFig(id=1220368098985693954, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1220368081625469265, language=CN, label=表7, caption=
仿真结果与试验数据对比
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| 数据类型 | 试验数据 | 仿真结果 |
|---|
| 最大残余沉降量/mm | 253.00 | 235.05 |
| 回弹变形量/mm | 14.00 | 16.60 |
| 峰值沉降量/mm | 267.00 | 251.65 |
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