Article(id=1149744615319842975, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744594201523010, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1672-6073.2024.03.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1696608000000, receivedDateStr=2023-10-07, revisedDate=1703606400000, revisedDateStr=2023-12-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1752050077514, onlineDateStr=2025-07-09, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752050077514, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752050077514, creator=13701087609, updateTime=1752050077514, updator=13701087609, issue=Issue{id=1149744594201523010, tenantId=1146029695717560320, journalId=1146123302524792850, year='2024', volume='37', issue='3', pageStart='1', pageEnd='177', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1752050072478, creator=13701087609, updateTime=1753780147518, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157001054903685255, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744594201523010, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157001054903685256, tenantId=1146029695717560320, journalId=1146123302524792850, issueId=1149744594201523010, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=125, endPage=134, ext={EN=ArticleExt(id=1149744615663775913, articleId=1149744615319842975, tenantId=1146029695717560320, journalId=1146123302524792850, language=EN, title=Simulation Study of Shield Tunneling Based on the Block-Based Discrete Element Method and Deformation of the Surrounding Rock and Liner, columnId=1152669336394183038, journalTitle=Urban Rapid Rail Transit, columnName=Civil Engineering Technology, runingTitle=null, highlight=null, articleAbstract=
This study addresses problems of numerical methods for continuous media, such as the finite difference and finite element methods to simulate the discrete medium characteristics of a sandy cobble stratum. Based on the blockbased discrete element method, a discrete element model is built to simulate the process of shield tunneling through a sandy cobble stratum, and the displacement of joints and deformation of the surrounding rock and liner is studied. A finite difference model, in which a sandy cobble stratum is transformed into an equivalent continuous medium, is built to simulate the process of shield tunneling, and to compare the differences in simulation results between the discrete element model and the finite difference model. The results show that, in the discrete element model, the area at which the positive normal displacement of the joints exceeds 0.1 mm is primarily concentrated at the inverted arch, the area at which the negative normal displacement of the joints exceeds 0.1 mm is located at the hance, and the area at which the shear displacement of the joints exceeds 0.4 mm is primarily concentrated at the inverted arch. The simulation results of the discrete element method are greater than those of the finite difference method with respect to the deformation of the surrounding rock and liner; therefore, utilizing the discrete element method to verify the design of the tunnel and liner is relatively more secure and reasonable.
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针对有限差分法及有限元法等连续介质数值方法无法模拟砂卵石地层的离散介质属性的问题,基于块体离散元方法,建立离散元模型,模拟盾构穿越砂卵石地层的掘进过程,研究盾构掘进过程中砂卵石地层中块体或颗粒间结构面的位移以及围岩与管片变形;将砂卵石地层等效为连续介质,建立有限差分模型模拟盾构掘进过程,并且对比离散元模型与有限差分模型计算结果之间的差异。结果表明:离散元模型中结构面正法向位移超过 0.1 mm 的区域主要集中在仰拱处,结构面负法向位移超过0.1mm的区域位于两侧拱腰处,结构面切向位移超过0.4 mm 的区域主要集中在仰拱处;对于围岩和管片的变形,离散元法的计算结果均大于有限差分法,因此采用离散元方法对砂卵石地层中隧道及管片的设计方案进行验证相对更加安全、合理。
, correspAuthors=王颖轶, authorNote=null, correspAuthorsNote=
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1 School of Naval Architecture, Ocean and Civil Engineering Shanghai Jiao Tong University Shanghai 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1154040310851163086, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, authorId=1154040310662419400, language=CN, stringName=周元, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 上海交通大学 船舶海洋与建筑工程学院 上海 200240, bio={"content":"
周元,男,硕士研究生,从事复杂地质环境下盾构隧道掘进数值模拟方面研究,uncleyuan@sjtu.edu.cn
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周元,男,硕士研究生,从事复杂地质环境下盾构隧道掘进数值模拟方面研究,uncleyuan@sjtu.edu.cn
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2 Shanghai Tunnel Engineering Co., Ltd. Shanghai 200032, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1154040314294686697, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, authorId=1154040310926660562, language=CN, stringName=吕威帆, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 School of Naval Architecture, Ocean and Civil Engineering Shanghai Jiao Tong University Shanghai 200240), AuthorCompanyExt(id=1154040308380718012, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, companyId=1154040308368135098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 上海交通大学 船舶海洋与建筑工程学院 上海 200240)]), AuthorCompany(id=1154040308431049662, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, xref=2, ext=[AuthorCompanyExt(id=1154040308435243967, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, companyId=1154040308431049662, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Shanghai Tunnel Engineering Co., Ltd. Shanghai 200032), AuthorCompanyExt(id=1154040310565950405, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, companyId=1154040308431049662, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 上海隧道工程有限公司 上海 200032)])], figs=[ArticleFig(id=1154040316903542811, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 1, caption=
Section diagram of three-dimensional numerical triaxial test, figureFileSmall=y7S4yLwFRx0ILLJzS2bQRA==, figureFileBig=kzRTiCOSc5UUMoW1Z2yBvQ==, tableContent=null), ArticleFig(id=1154040316949680157, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 1, caption=
三维数值三轴试验剖面示意, figureFileSmall=y7S4yLwFRx0ILLJzS2bQRA==, figureFileBig=kzRTiCOSc5UUMoW1Z2yBvQ==, tableContent=null), ArticleFig(id=1154040317004206111, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 2, caption=
Distribution of discrete and continuous media, figureFileSmall=nE9Ih0fG61dzyserMb0Bfw==, figureFileBig=GNZ9bgOZ5fV0C5KxSHTw4Q==, tableContent=null), ArticleFig(id=1154040317075509281, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 2, caption=
离散块体介质与连续介质分布, figureFileSmall=nE9Ih0fG61dzyserMb0Bfw==, figureFileBig=GNZ9bgOZ5fV0C5KxSHTw4Q==, tableContent=null), ArticleFig(id=1154040317130035235, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 3, caption=
Joints between discrete blocks, figureFileSmall=a/ddVdo4cwTJGOJ/Fmh+kg==, figureFileBig=onHLfNaveA4rH3KHcTdpyQ==, tableContent=null), ArticleFig(id=1154040317188755493, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 3, caption=
离散块体间结构面, figureFileSmall=a/ddVdo4cwTJGOJ/Fmh+kg==, figureFileBig=onHLfNaveA4rH3KHcTdpyQ==, tableContent=null), ArticleFig(id=1154040317260058663, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 4, caption=
Distribution of the stratum, figureFileSmall=0C11Xosm9NQ/oxYvxEk1Jw==, figureFileBig=9VuWbF1TsWDsLxuKb4Ba4A==, tableContent=null), ArticleFig(id=1154040317314584617, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 4, caption=
土层分布, figureFileSmall=0C11Xosm9NQ/oxYvxEk1Jw==, figureFileBig=9VuWbF1TsWDsLxuKb4Ba4A==, tableContent=null), ArticleFig(id=1154040317385887787, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 5, caption=
Schematic of the shield tunneling process, figureFileSmall=kdRjYWKNcwVQxvDaUuCttw==, figureFileBig=IFV9PoBCGq7YRAfuco2IAQ==, tableContent=null), ArticleFig(id=1154040317440413740, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 5, caption=
盾构掘进施工过程示意, figureFileSmall=kdRjYWKNcwVQxvDaUuCttw==, figureFileBig=IFV9PoBCGq7YRAfuco2IAQ==, tableContent=null), ArticleFig(id=1154040317486551086, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 6, caption=
Displacement contour of surrounding rock and setting of the displacement measurement point, figureFileSmall=OBEdHPRvo7XapYot3DC7Cw==, figureFileBig=M25Nyl3HpV7xilBaguuzgA==, tableContent=null), ArticleFig(id=1154040317528494127, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 6, caption=
围岩位移云图以及位移测点设置, figureFileSmall=OBEdHPRvo7XapYot3DC7Cw==, figureFileBig=M25Nyl3HpV7xilBaguuzgA==, tableContent=null), ArticleFig(id=1154040317595602993, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 7, caption=
Discontinuous displacement between blocks in DEM, figureFileSmall=7tDt0cEtaFlStmMxBwxRXg==, figureFileBig=1cZZx/9paxrS8ybLy5BsLQ==, tableContent=null), ArticleFig(id=1154040317654323251, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 7, caption=
离散元模型块体之间位移不连续, figureFileSmall=7tDt0cEtaFlStmMxBwxRXg==, figureFileBig=1cZZx/9paxrS8ybLy5BsLQ==, tableContent=null), ArticleFig(id=1154040317708849204, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 8, caption=
Displacement contour of surrounding rock and setting of the displacement measurement point, figureFileSmall=LqKfvVMKrcPidNylbUSqAg==, figureFileBig=cVkIC5xBdwVXH0dIMweKmA==, tableContent=null), ArticleFig(id=1154040317767569461, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 8, caption=
管片位移云图以及位移测点设置, figureFileSmall=LqKfvVMKrcPidNylbUSqAg==, figureFileBig=cVkIC5xBdwVXH0dIMweKmA==, tableContent=null), ArticleFig(id=1154040317822095415, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 9, caption=
Trace of joints with the normal displacement exceeding ${0.1}\mathrm{\;{mm}}$, figureFileSmall=fiqYmePyCckQb9JqPLUy7Q==, figureFileBig=PmiqPaHPW+FZVs5NJ5COWg==, tableContent=null), ArticleFig(id=1154040317876621368, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 9, caption=
法向位移超过 ${0.1}\mathrm{\;{mm}}$ 的结构面迹线, figureFileSmall=fiqYmePyCckQb9JqPLUy7Q==, figureFileBig=PmiqPaHPW+FZVs5NJ5COWg==, tableContent=null), ArticleFig(id=1154040317960507449, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 10, caption=
Trace of joints with the shear displacement exceeding 0.4 mm, figureFileSmall=cOgOhbgDqBDXjAJnt6+wiA==, figureFileBig=zEj3UGtaPNpxKtPz+QJSMw==, tableContent=null), ArticleFig(id=1154040318036004922, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 10, caption=
切向位移超过 ${0.4}\mathrm{\;{mm}}$ 的结构面迹线, figureFileSmall=cOgOhbgDqBDXjAJnt6+wiA==, figureFileBig=zEj3UGtaPNpxKtPz+QJSMw==, tableContent=null), ArticleFig(id=1154040318107308091, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 11, caption=
Comparison of normal displacement and shear displacement of structural planes (normal displacement color: red), figureFileSmall=FplUwmwFsAfeE8ghiEmk8A==, figureFileBig=YFAMxaWC4QgPBVPCydNExg==, tableContent=null), ArticleFig(id=1154040318195388476, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 11, caption=
结构面法向位移与切向位移迹线分布对比 (法向位移对应的结构面迹线为红色), figureFileSmall=FplUwmwFsAfeE8ghiEmk8A==, figureFileBig=YFAMxaWC4QgPBVPCydNExg==, tableContent=null), ArticleFig(id=1154040318245720125, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 12, caption=
Trace of joints with the normal displacement exceeding ${0.1}\mathrm{\;{mm}}$, figureFileSmall=9+nM2/NWo3eiaNP5WMXlYg==, figureFileBig=Sqi6bt9jUo3KJzbxqwAUBw==, tableContent=null), ArticleFig(id=1154040318367354943, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 12, caption=
正法向位移超过 ${0.1}\mathrm{\;{mm}}$ 的结构面迹线, figureFileSmall=9+nM2/NWo3eiaNP5WMXlYg==, figureFileBig=Sqi6bt9jUo3KJzbxqwAUBw==, tableContent=null), ArticleFig(id=1154040318421880897, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 13, caption=
Trace of joints with negative normal displacement exceeding ${0.1}\mathrm{\;{mm}}$, figureFileSmall=3EByNYPVKjpoGW0dbUCPtg==, figureFileBig=xI5iMKExXKKtsvUQbtsX+Q==, tableContent=null), ArticleFig(id=1154040318480601155, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 13, caption=
负法向位移超过 ${0.1}\mathrm{\;{mm}}$ 的结构面迹线, figureFileSmall=3EByNYPVKjpoGW0dbUCPtg==, figureFileBig=xI5iMKExXKKtsvUQbtsX+Q==, tableContent=null), ArticleFig(id=1154040318560292933, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 14, caption=
Trace of joints with shear displacement exceeding 0.4 mm, figureFileSmall=ZBaz8qBZ5x7bpi8PeqfR8Q==, figureFileBig=0i73j0VGNMi1sYH82Bf9Rg==, tableContent=null), ArticleFig(id=1154040318627401799, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 14, caption=
切向位移超过 ${0.4}\mathrm{\;{mm}}$ 的结构面迹线, figureFileSmall=ZBaz8qBZ5x7bpi8PeqfR8Q==, figureFileBig=0i73j0VGNMi1sYH82Bf9Rg==, tableContent=null), ArticleFig(id=1154040318702899273, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 15, caption=
Curves of vertical deformation of surrounding rock varying with shield tunneling, figureFileSmall=WkCwZTYGcm/9sXLZCyGXiw==, figureFileBig=pYjY3LKEhtMxHzrWx9PnWg==, tableContent=null), ArticleFig(id=1154040318757425227, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 15, caption=
围岩竖向变形随盾构开挖掘进的变化曲线, figureFileSmall=WkCwZTYGcm/9sXLZCyGXiw==, figureFileBig=pYjY3LKEhtMxHzrWx9PnWg==, tableContent=null), ArticleFig(id=1154040318807756877, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 16, caption=
Comparison of displacement modes of shield tail surrounding rock between finite difference model and discrete element model (deformation magnification: 50 times), figureFileSmall=sFlHdn7XFl96nh8Jn87Xeg==, figureFileBig=ZtQdma0HrwQL7EuUQFA0Wg==, tableContent=null), ArticleFig(id=1154040318904225871, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 16, caption=
有限差分模型与离散元模型盾尾围岩位移模式对比 (变形放大系数:50 倍), figureFileSmall=sFlHdn7XFl96nh8Jn87Xeg==, figureFileBig=ZtQdma0HrwQL7EuUQFA0Wg==, tableContent=null), ArticleFig(id=1154040319021666385, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Figure 17, caption=
Curves of vertical deformation of the liner varying with shield tunneling, figureFileSmall=F4VmA/BTtyEofgZD1nNZKA==, figureFileBig=QRV+DR5E4Qg5cVhhjLffdw==, tableContent=null), ArticleFig(id=1154040319071998035, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=图 17, caption=
管片竖向变形随盾构开挖掘进的变化曲线, figureFileSmall=F4VmA/BTtyEofgZD1nNZKA==, figureFileBig=QRV+DR5E4Qg5cVhhjLffdw==, tableContent=null), ArticleFig(id=1154040319134912597, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Table 1, caption=
Microparameters and macroparameters of BBM, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 宏观材料参数 | BBM 细观材料参数 |
| BBM 块体 | 弹性模量:50 MPa 泊松比:0.3 重度: ${18.5}\mathrm{{kN}}/{\mathrm{m}}^{3}$ 内摩擦角:33° | 弹性模量:64MPa 泊松比:0.3 重度: ${18.5}\mathrm{{kN}}/{\mathrm{m}}^{3}$ |
| 结构面 | - | 法向刚度: ${1.4} \times {10}^{6}\mathrm{{kN}}/{\mathrm{m}}^{3}$ 切向刚度: ${0.235} \times {10}^{6}\mathrm{\;{kN}}/{\mathrm{m}}^{3}$ 摩擦角:32.3 ${}^{ \circ }$ |
), ArticleFig(id=1154040319189438551, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=表 1, caption=
BBM 模型细观材料参数与宏观材料参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 宏观材料参数 | BBM 细观材料参数 |
| BBM 块体 | 弹性模量:50 MPa 泊松比:0.3 重度: ${18.5}\mathrm{{kN}}/{\mathrm{m}}^{3}$ 内摩擦角:33° | 弹性模量:64MPa 泊松比:0.3 重度: ${18.5}\mathrm{{kN}}/{\mathrm{m}}^{3}$ |
| 结构面 | - | 法向刚度: ${1.4} \times {10}^{6}\mathrm{{kN}}/{\mathrm{m}}^{3}$ 切向刚度: ${0.235} \times {10}^{6}\mathrm{\;{kN}}/{\mathrm{m}}^{3}$ 摩擦角:32.3 ${}^{ \circ }$ |
), ArticleFig(id=1154040319239770201, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=EN, label=Table 2, caption=
Material parameters in the continuous media domain, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 厚度/ m | 弹性模量/ MPa | 泊松 比 | 容重/ | 黏聚力/ kN | 摩擦角/ (°) |
| 中砂层 | 12 | 40 | 0.3 | 18.5 | 0 | 32 |
| 砂卵石 地层 | 47 | 50 | 0.3 | 18.5 | 0 | 33 |
| 管片 | 0.5 | $3 \times {10}^{4}$ | 0.2 | 24.0 | - | - |
), ArticleFig(id=1154040319306879067, tenantId=1146029695717560320, journalId=1146123302524792850, articleId=1149744615319842975, language=CN, label=表 2, caption=
连续介质区域内材料参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 厚度/ m | 弹性模量/ MPa | 泊松 比 | 容重/ | 黏聚力/ kN | 摩擦角/ (°) |
| 中砂层 | 12 | 40 | 0.3 | 18.5 | 0 | 32 |
| 砂卵石 地层 | 47 | 50 | 0.3 | 18.5 | 0 | 33 |
| 管片 | 0.5 | $3 \times {10}^{4}$ | 0.2 | 24.0 | - | - |
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