Article(id=1149729536763409096, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2025.03.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1720972800000, receivedDateStr=2024-07-15, revisedDate=1732291200000, revisedDateStr=2024-11-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1752046482505, onlineDateStr=2025-07-09, pubDate=1748707200000, pubDateStr=2025-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752046482505, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752046482505, creator=13701087609, updateTime=1752046482505, updator=13701087609, issue=Issue{id=1149729526025994706, tenantId=1146029695717560320, journalId=1146123302524792850, year='2025', volume='38', issue='3', pageStart='1', pageEnd='161', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1752046479946, creator=13701087609, updateTime=1753780086246, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157000797948039291, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157000797948039292, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149729526025994706, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=100, endPage=107, ext={EN=ArticleExt(id=1149729536985707219, articleId=1149729536763409096, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Diffusion Mechanism of Backfill Grouting for Metro Tunnels During Operation Period, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
To investigate the diffusion mechanism of backfill grouting slurry in metro tunnels under different working conditions during the operation period, a mathematical model of the diffusion process was derived based on the physical processes involved in grouting. A threedimensional numerical simulation program, developed using the finite element method (FEM) and the volume of fluid (VOF) method, was applied. Using an actual project during the operation period as a case study, the diffusion behavior of backfill grouting in metro tunnels under different soil conditions was simulated, and the rationality of the numerical simulation results was validated through laboratory model tests. The results indicate that in hard soils, the slurry predominantly fractures in a direction perpendicular to the lining structure, making it difficult to form a large closed reinforcement area behind the lining. In contrast, in soft soils, as the grouting pressure increases, the slurry gradually spreads along the interface between the tunnel and the soil. Upon completion of grouting, the slurry forms a uniformly distributed closed reinforcement along the tunnel wall. The consistency between the model test and numerical simulation trends confirms the reliability of the grouting diffusion mechanism behind the tunnel wall.
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为研究不同工况下运营期地铁隧道壁后注浆浆液的扩散机制,根据注浆所涉及的物理过程推导扩散过程中的数学模型,编制基于有限单元法与流体体积法的三维数值计算程序,以实际工程为背景分别模拟不同土体条件下运营期地铁隧道壁后注浆堵水时浆液的扩散行为,并采用室内模型试验验证数值模拟结果的合理性。研究结果表明:在硬土中,浆液主要是向垂直于衬砌结构的方向劈裂,浆脉在衬砌背后难以形成较大面积的封闭加固体;而在软土中,随着注浆压力的增大,浆液逐渐沿着隧道与土体的界面扩展,注浆结束后,浆液沿着隧道壁后形成一个均匀分布的封闭加固体。模型试验与数值模拟趋势相同,证明了隧道壁后注浆扩散机制的正确性。
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韩震,男,硕士,工程师,研究方向为城市轨道交通工程保护及隧道结构病害治理,han_zhen@njmetro.com.cn
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韩震,男,硕士,工程师,研究方向为城市轨道交通工程保护及隧道结构病害治理,han_zhen@njmetro.com.cn
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2 北京交通大学 城市地下工程教育部重点实验室 北京 100044
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2 Key Laboratory for Urban Underground Engineering of Ministry of Education Beijing Jiaotong University Beijing 100044
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2 北京交通大学 城市地下工程教育部重点实验室 北京 100044
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2 北京交通大学 城市地下工程教育部重点实验室 北京 100044)]), AuthorCompany(id=1154050846678569655, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, xref=3, ext=[AuthorCompanyExt(id=1154050846686958264, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, companyId=1154050846678569655, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 School of Civil Engineering Beijing Jiaotong University Beijing 100044), AuthorCompanyExt(id=1154050846695346873, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, companyId=1154050846678569655, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Numerical simulation of backfill grouting, figureFileSmall=tNN7PzR3y22rqcUNvGxN5g==, figureFileBig=LCtpXDyKpRwbCk8DTabFlg==, tableContent=null), ArticleFig(id=1154050850315031300, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图1, caption=
壁后注浆数值模拟计算过程, figureFileSmall=tNN7PzR3y22rqcUNvGxN5g==, figureFileBig=LCtpXDyKpRwbCk8DTabFlg==, tableContent=null), ArticleFig(id=1154050850386334469, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 2, caption=
Leakage plugging effect of grouting behind subway tunnel wall in different strata, figureFileSmall=lFfuT4Y+I30em6pfW+nyFg==, figureFileBig=6Mujm7Xy3EtbELWOwxV1fQ==, tableContent=null), ArticleFig(id=1154050850436666118, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图2, caption=
不同地层地铁隧道壁后注浆堵漏效果, figureFileSmall=lFfuT4Y+I30em6pfW+nyFg==, figureFileBig=6Mujm7Xy3EtbELWOwxV1fQ==, tableContent=null), ArticleFig(id=1154050850495386375, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 3, caption=
Numerical calculation model geometry size, figureFileSmall=Ga/5fsSeYnb33Fzr5bje+Q==, figureFileBig=mWBVI0Jem820Bd9VtpVGJg==, tableContent=null), ArticleFig(id=1154050850612826888, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图3, caption=
数值计算模型几何尺寸, figureFileSmall=Ga/5fsSeYnb33Fzr5bje+Q==, figureFileBig=mWBVI0Jem820Bd9VtpVGJg==, tableContent=null), ArticleFig(id=1154050850675741449, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 4, caption=
Expansion process of grout in hard soils and distribution of grout veins, figureFileSmall=HDbQ/WTFRV2AQyuZdw4YCA==, figureFileBig=s30iMytdlSBCB/yTdgEU5A==, tableContent=null), ArticleFig(id=1154050850734461706, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图4, caption=
注浆液在硬土中的扩展过程及浆脉分布, figureFileSmall=HDbQ/WTFRV2AQyuZdw4YCA==, figureFileBig=s30iMytdlSBCB/yTdgEU5A==, tableContent=null), ArticleFig(id=1154050850788987659, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 5, caption=
Expansion process of grout in soft soils and distribution of grout veins, figureFileSmall=YGhlLSzIwESXsTwf1kLqfA==, figureFileBig=iZ4remudbDaCTd3sqe6fyg==, tableContent=null), ArticleFig(id=1154050850843513612, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图5, caption=
注浆液在软土中的扩展过程及浆脉分布, figureFileSmall=YGhlLSzIwESXsTwf1kLqfA==, figureFileBig=iZ4remudbDaCTd3sqe6fyg==, tableContent=null), ArticleFig(id=1154050850906428173, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 6, caption=
Model test apparatus, figureFileSmall=Cgu91tAccbQm5mJJH3me8A==, figureFileBig=yTDckggCk7A8V9c8VYGwYg==, tableContent=null), ArticleFig(id=1154050850965148430, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图6, caption=
模型实验装置, figureFileSmall=Cgu91tAccbQm5mJJH3me8A==, figureFileBig=yTDckggCk7A8V9c8VYGwYg==, tableContent=null), ArticleFig(id=1154050851011285775, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Figure 7, caption=
Grouting hole layout, figureFileSmall=fZIK/IYOFZfr16ivoAtdjg==, figureFileBig=on6XptLXn+ZwZC0dRAyhWg==, tableContent=null), ArticleFig(id=1154050851082588944, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=图7, caption=
注浆孔布设示意, figureFileSmall=fZIK/IYOFZfr16ivoAtdjg==, figureFileBig=on6XptLXn+ZwZC0dRAyhWg==, tableContent=null), ArticleFig(id=1154050851132920593, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=EN, label=Table 1, caption=
Physical and mechanical parameters of soils, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 硬土地层 | 软土地层 |
| 模量参数 $K$ | 200 | 50 |
| 模量参数 ${K}_{\mathrm{b}}$ | 100 | 20 |
| 模量参数 ${K}_{\mathrm{{ur}}}$ | 400 | 100 |
| 常数 $m$ | 0.5 | 0.4 |
| 常数 $n$ | 0.6 | 0.5 |
| 土体破坏比 ${Rf}$ | 0.95 | 0.95 |
| 黏聚力 $c/\mathrm{{kPa}}$ | 20 | 5 |
| 摩擦角 $\varphi /\left( {}^{ \circ }\right)$ | 30 | 20 |
| 浆液黏度系数 ${\mu }_{g0}$ /mPa s | 7.1 | 7.1 |
| 水的黏度系数 ${\mu }_{w}/\mathrm{{mPa}}\mathrm{s}$ | 1.0 | 1.0 |
| 浆液渗透系数 ${k}_{g0}/\left( {\mathrm{{cm}} \cdot {\mathrm{s}}^{-1}}\right)$ | $1 \times {10}^{-7}$ | $1 \times {10}^{-7}$ |
| 水的渗透系数 ${k}_{w}/\left( {\mathrm{{cm}} \cdot {\mathrm{s}}^{-1}}\right)$ | $1 \times {10}^{-5}$ | $1 \times {10}^{-5}$ |
| 土体的初始弹性 $E/\mathrm{{MPa}}$ | 20 | 5 |
| 换算系数 $\xi /\mathrm{m}$ | ${10}^{-4}$ | ${10}^{-4}$ |
| 形状参数 $\alpha$ | 3 | 3 |
), ArticleFig(id=1154050851191640850, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149729536763409096, language=CN, label=表1, caption=
土体物理力学参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 硬土地层 | 软土地层 |
| 模量参数 $K$ | 200 | 50 |
| 模量参数 ${K}_{\mathrm{b}}$ | 100 | 20 |
| 模量参数 ${K}_{\mathrm{{ur}}}$ | 400 | 100 |
| 常数 $m$ | 0.5 | 0.4 |
| 常数 $n$ | 0.6 | 0.5 |
| 土体破坏比 ${Rf}$ | 0.95 | 0.95 |
| 黏聚力 $c/\mathrm{{kPa}}$ | 20 | 5 |
| 摩擦角 $\varphi /\left( {}^{ \circ }\right)$ | 30 | 20 |
| 浆液黏度系数 ${\mu }_{g0}$ /mPa s | 7.1 | 7.1 |
| 水的黏度系数 ${\mu }_{w}/\mathrm{{mPa}}\mathrm{s}$ | 1.0 | 1.0 |
| 浆液渗透系数 ${k}_{g0}/\left( {\mathrm{{cm}} \cdot {\mathrm{s}}^{-1}}\right)$ | $1 \times {10}^{-7}$ | $1 \times {10}^{-7}$ |
| 水的渗透系数 ${k}_{w}/\left( {\mathrm{{cm}} \cdot {\mathrm{s}}^{-1}}\right)$ | $1 \times {10}^{-5}$ | $1 \times {10}^{-5}$ |
| 土体的初始弹性 $E/\mathrm{{MPa}}$ | 20 | 5 |
| 换算系数 $\xi /\mathrm{m}$ | ${10}^{-4}$ | ${10}^{-4}$ |
| 形状参数 $\alpha$ | 3 | 3 |
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