Article(id=1241355803798598176, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241355799189058005, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2023.04.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1666886400000, receivedDateStr=2022-10-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773891886901, onlineDateStr=2026-03-19, pubDate=1701360000000, pubDateStr=2023-12-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773891886901, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773891886901, creator=13701087609, updateTime=1773891886901, updator=13701087609, issue=Issue{id=1241355799189058005, tenantId=1146029695717560320, journalId=1240670690148397066, year='2023', volume='40', issue='4', pageStart='1', pageEnd='229', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773891885801, creator=13701087609, updateTime=1773898068569, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241381731652129441, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241355799189058005, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241381731652129442, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241355799189058005, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=27, endPage=36, ext={EN=ArticleExt(id=1241355804146725416, articleId=1241355803798598176, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Optimization of Blasting Cut Method for Subway Tunnel in Complex Urban Environment, columnId=1240702071733801442, journalTitle=Blasting, columnName=THEORETICAL AND TECHNOLOGICAL EXPLORATION, runingTitle=null, highlight=null, articleAbstract=
Ground blasting vibration control is one of the key contents in the blasting construction of subway tunnels in complex urban environment, and cut blasting is the key to determine the blasting vibration intensity. Combined with the actual project of the north extension line of WuHan Metro Line 7 (Qianchuan Line), an optimization design was carried out on the basis of the original blasting cut method. The numerical simulation and field vibration test verification methods were used to calculate and compare the blasting vibration effects of single wedge cutting, burn cut with four holes and double wedge cutting. Then, the optimization method of cut blasting was proposed. The results show that single wedge cutting, burn cut and double wedge cutting have similar propagation rules of blast vibrations along the axis of tunnel excavation. The peak vibration velocity along the x direction (horizontal radial) decreases with the increase of the distance from the working face in the range of 0~-5 m. When distance exceeds 5 m, the peak vibration velocity increases first and then decreases. The excavated area of the upper bench of the left pilot tunnel has an amplification effect on the surface vibration velocity, which is referred as a “cavity effect”. The distribution of the x-direction (horizontal radial) peak vibration velocity on the left and right sides of the tunnel is roughly similar, and gradually decreases with the increase of the horizontal absolute distance from the origin along the direction perpendicular to the axis of tunnel excavation. The upper bench of the left pilot tunnel has a free face, which makes the peak vibration velocity along the x direction (horizontal radial) on the left side of the tunnel bigger than that on the right side. Due to the delayed initiation, the peak vibration velocity along the x direction (horizontal radial) by double wedge cut blasting is the minimum. The surface vibration velocity of the excavated area is 1.35~2.02 times than that of the unexcavated area ahead during the tunnel blasting construction, due to the “cavity effect”. Compared with other cutting methods, the “cavity effect” of the double wedge cutting is weaker. The comparative analysis of blasting vibration intensity of the three kinds of cutting modes shows that the order of advantages and disadvantages of the three kinds of cutting modes is: double wedge cutting > single wedge cutting > four straight hole cutting.
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ZHOU Chuan-bo (1963-), male, professor, mainly engaged in geotechnical engineering, engineering blasting, (E-mail)
cbzhou@cug.edu.cn.
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爆破振动控制是复杂城区环境地铁隧道爆破施工中的重点关注问题,而掏槽爆破往往是在隧道爆破中产生的振动强度最大。结合武汉地铁7号线北延线(前川线)爆破工程背景,综合数值模拟及现场测试验证方法,计算对比分析了单楔形掏槽、四直孔掏槽和双楔形掏槽三种掏槽方式下爆破振动强度,提出了基于爆破振动速度控制的地铁隧道掏槽爆破优化方式。研究结果表明:在单楔形掏槽、四直孔掏槽与双楔形掏槽三种掏槽爆破方式下,沿隧道开挖轴线方向,三种掏槽方式具有相似的传播规律,在0~10 m范围内,x向(水平径向)峰值振动速度随着与掌子面距离不断增加而减小,在0~-5 m范围内,x向(水平径向)峰值振动速度随着与掌子面距离不断增加而不断衰减,当地表质点与掌子面水平距离超过5 m时,x向(水平径向)峰值振动速度整体趋势表现为先上升后下降。隧道左导洞上台阶已开挖区对地表振动速度具有放大效应,即存在“空洞效应”;垂直于隧道开挖轴线方向,x向(水平径向)峰值振动速度在隧道左右两侧分布规律大致相似,且随着与原点水平绝对距离的增加而逐渐减小,隧道左导洞上台阶存在临空面,使隧道左侧x向(水平径向)峰值振动速度大于隧道右侧;由于采用延时起爆方式,双楔形掏槽x向(水平径向)峰值振动速度最小;在隧道爆破施工中,已开挖区地表振动速度是前方未开挖区的1.35~2.02倍,存在“空洞效应”;与其他两种掏槽相比,双楔形掏槽的“空洞效应”较弱。对三种掏槽方式爆破地表振动强度对比分析表明,三种掏槽方式的优劣顺序为:双楔形掏槽>单楔形掏槽>四直孔掏槽。
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李婷(1998-),女,硕士研究生,主要从事工程爆破和地下建筑工程方面的研究,(E-mail)liting@cug.edu.cn。
LI Ting (1998-), female, master, mainly engaged in engineering blasting and underground construction engineering, (E-mail) liting@cug.edu.cn.
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李婷(1998-),女,硕士研究生,主要从事工程爆破和地下建筑工程方面的研究,(E-mail)liting@cug.edu.cn。
LI Ting (1998-), female, master, mainly engaged in engineering blasting and underground construction engineering, (E-mail) liting@cug.edu.cn.
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李婷(1998-),女,硕士研究生,主要从事工程爆破和地下建筑工程方面的研究,(E-mail)liting@cug.edu.cn。
LI Ting (1998-), female, master, mainly engaged in engineering blasting and underground construction engineering, (E-mail) liting@cug.edu.cn.
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Tunnelling and Underground Space Technology,
2018,
71: 292-297., articleTitle=A case study on the cavity effect of a water tunnel on the ground vibrations induced by excavating blasts, refAbstract=null)], funds=[Fund(id=1241355821649555823, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, awardId=41972286, language=EN, fundingSource=The National Natural Science Foundation of China(41972286), fundOrder=null, country=null), Fund(id=1241355821746024820, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, awardId=41972286, language=CN, fundingSource=国家自然科学基金资助项目(41972286), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241355811759387436, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, xref=null, ext=[AuthorCompanyExt(id=1241355811767776046, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, companyId=1241355811759387436, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China), AuthorCompanyExt(id=1241355811771970351, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, companyId=1241355811759387436, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国地质大学(武汉) 工程学院,武汉 430074)])], figs=[ArticleFig(id=1241355815970467878, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 1, caption=
The layout of the subway tunnel, figureFileSmall=/67SuOV2D+PFbWArwMNJ/g==, figureFileBig=DTwio7v+5TIRAJCUufPnqA==, tableContent=null), ArticleFig(id=1241355816104685619, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图1, caption=
地铁隧道平面布置图, figureFileSmall=/67SuOV2D+PFbWArwMNJ/g==, figureFileBig=DTwio7v+5TIRAJCUufPnqA==, tableContent=null), ArticleFig(id=1241355816381509709, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 2, caption=
Longitudinal section diagram of tunnel spatial position (unit: m), figureFileSmall=jVDEMKpu23xjSjVIhYkCgA==, figureFileBig=6WiFAk76EsGX8k7wxISNMg==, tableContent=null), ArticleFig(id=1241355816469590100, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图2, caption=
隧道空间位置纵剖面示意图(单位:m), figureFileSmall=jVDEMKpu23xjSjVIhYkCgA==, figureFileBig=6WiFAk76EsGX8k7wxISNMg==, tableContent=null), ArticleFig(id=1241355816553476189, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 3, caption=
Schematic diagram of underpass cut blasting (unit: mm), figureFileSmall=jzqw7oNenOcw8O9Mi6Vqiw==, figureFileBig=+McSVle6vZ43WQYrziUHDw==, tableContent=null), ArticleFig(id=1241355816670916718, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图3, caption=
隧道掏槽爆破示意图(单位:mm)1-掌子面;2-掏槽孔;3-衬砌;4-地面;Ⅰ-左导洞;Ⅱ-右导洞;①,②,③,④-开挖顺序
, figureFileSmall=jzqw7oNenOcw8O9Mi6Vqiw==, figureFileBig=+McSVle6vZ43WQYrziUHDw==, tableContent=null), ArticleFig(id=1241355816796745847, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 4, caption=
Single wedge hole cutting (unit: mm), figureFileSmall=nl2ITY5+26iUiQpVN1BHYw==, figureFileBig=AzSL5UNe568DUXOBOrb1dw==, tableContent=null), ArticleFig(id=1241355816897409146, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图4, caption=
单楔形掏槽(单位:mm), figureFileSmall=nl2ITY5+26iUiQpVN1BHYw==, figureFileBig=AzSL5UNe568DUXOBOrb1dw==, tableContent=null), ArticleFig(id=1241355817010655365, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 5, caption=
Excavation model of foundation pit blasting (unit: m), figureFileSmall=02690c+1gb4RFJdVdrvvXA==, figureFileBig=Ob00mwuFMBez2ETT6utjBg==, tableContent=null), ArticleFig(id=1241355817119707278, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图5, caption=
隧道爆破开挖模型(单位:m), figureFileSmall=02690c+1gb4RFJdVdrvvXA==, figureFileBig=Ob00mwuFMBez2ETT6utjBg==, tableContent=null), ArticleFig(id=1241355817203593367, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 6, caption=
Monitor site layout, figureFileSmall=X2DOw1cZacOQdREjPz00Tg==, figureFileBig=8+qYfi2wMy/K9hWxXPU47Q==, tableContent=null), ArticleFig(id=1241355817321033893, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图6, caption=
监测器现场布置示意图, figureFileSmall=X2DOw1cZacOQdREjPz00Tg==, figureFileBig=8+qYfi2wMy/K9hWxXPU47Q==, tableContent=null), ArticleFig(id=1241355817425891500, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 7, caption=
Comparison of vector vibration velocity, figureFileSmall=NfrVkDiYZ9ukUW4rgIQRHw==, figureFileBig=K8b8BX1monMKwV+Xb1klGg==, tableContent=null), ArticleFig(id=1241355817534943414, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图7, caption=
合振速波形对比, figureFileSmall=NfrVkDiYZ9ukUW4rgIQRHw==, figureFileBig=K8b8BX1monMKwV+Xb1klGg==, tableContent=null), ArticleFig(id=1241355817618829499, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 8, caption=
Burn cut (unit: mm), figureFileSmall=Lqdpzcsn7RkmRnEuB9ekfA==, figureFileBig=KQ7QT9IfIVakXbFEuoQ42g==, tableContent=null), ArticleFig(id=1241355817694326982, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图8, caption=
四直孔掏槽(单位:mm), figureFileSmall=Lqdpzcsn7RkmRnEuB9ekfA==, figureFileBig=KQ7QT9IfIVakXbFEuoQ42g==, tableContent=null), ArticleFig(id=1241355817769824461, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 9, caption=
Double wedge hole cutting (unit: mm), figureFileSmall=SmpP8x6wWuBGJluOQoUYQA==, figureFileBig=EZfs1V56RScxTynR4U2Z6A==, tableContent=null), ArticleFig(id=1241355817866293460, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图9, caption=
双楔形掏槽(单位:mm), figureFileSmall=SmpP8x6wWuBGJluOQoUYQA==, figureFileBig=EZfs1V56RScxTynR4U2Z6A==, tableContent=null), ArticleFig(id=1241355817954373854, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 10, caption=
Map of the corresponding locations of surface monitoring points and numerical models, figureFileSmall=DcFzAEJcszkZ5P6ONp8Pag==, figureFileBig=O8NmY18fS4Ku7syCt9EYyA==, tableContent=null), ArticleFig(id=1241355818067620072, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图10, caption=
地表监测点与数值模型对应位置图, figureFileSmall=DcFzAEJcszkZ5P6ONp8Pag==, figureFileBig=O8NmY18fS4Ku7syCt9EYyA==, tableContent=null), ArticleFig(id=1241355818172477677, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 11, caption=
Comparison of x-direction peak vibration velocity of each monitoring point of three kinds of cutting, figureFileSmall=HGkvmDZ33bDtijk/+slaNQ==, figureFileBig=C0Vw/hMNBo7//HuRCOn3VA==, tableContent=null), ArticleFig(id=1241355818281529591, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图11, caption=
三种掏槽各监测点x向峰值振动速度对比, figureFileSmall=HGkvmDZ33bDtijk/+slaNQ==, figureFileBig=C0Vw/hMNBo7//HuRCOn3VA==, tableContent=null), ArticleFig(id=1241355818390581507, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 12, caption=
Monitoring point layout (unit: m), figureFileSmall=TCx2FD/NQteqax3jkst5xA==, figureFileBig=WzZLLOrWLSDMcy6BYzGyEQ==, tableContent=null), ArticleFig(id=1241355818524799243, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图12, caption=
监测点布置图(单位:m), figureFileSmall=TCx2FD/NQteqax3jkst5xA==, figureFileBig=WzZLLOrWLSDMcy6BYzGyEQ==, tableContent=null), ArticleFig(id=1241355818629656853, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 13, caption=
Variation law of peak vibration velocity of each measuring point, figureFileSmall=lB81WF7yitvBCBgUuxmifw==, figureFileBig=3rUNiIOeS/Wk0sMbdr+zpQ==, tableContent=null), ArticleFig(id=1241355818772263198, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图13, caption=
各测点峰值振动速度变化规律, figureFileSmall=lB81WF7yitvBCBgUuxmifw==, figureFileBig=3rUNiIOeS/Wk0sMbdr+zpQ==, tableContent=null), ArticleFig(id=1241355820328349989, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 14, caption=
Surface vibration velocity amplification factor, figureFileSmall=umE20uCSTW3yjoWK2C7XwA==, figureFileBig=erUxdV6TEBHX8MYHzd+S9Q==, tableContent=null), ArticleFig(id=1241355820462567723, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图14, caption=
地表振动速度放大系数, figureFileSmall=umE20uCSTW3yjoWK2C7XwA==, figureFileBig=erUxdV6TEBHX8MYHzd+S9Q==, tableContent=null), ArticleFig(id=1241355820550648112, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Fig. 15, caption=
Comparison of x-direction peak vibration velocity of each monitoring point of three kinds of cutting, figureFileSmall=fZQ5U420mkf3rBaSs2vonw==, figureFileBig=O6tI9xEDbXVgnonhRU0pRA==, tableContent=null), ArticleFig(id=1241355820663894326, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=图15, caption=
三种掏槽各监测点x向峰值振动速度对比, figureFileSmall=fZQ5U420mkf3rBaSs2vonw==, figureFileBig=O6tI9xEDbXVgnonhRU0pRA==, tableContent=null), ArticleFig(id=1241355820735197499, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Table 1, caption=
Single wedge cut blasting parameter table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 段别 | 炮孔类型 | 炮孔数量 | 钻孔深度/m | 装药量/kg |
|---|
| 单孔 | 单段 |
|---|
| 1 | 掏槽 | 4 | 1.0 | 0.40 | 1.60 |
| 2 | 辅助 | 6 | 0.7 | 0.15 | 0.90 |
| 3 | 辅助 | 6 | 0.7 | 0.15 | 0.90 |
| 4 | 辅助 | 10 | 0.7 | 0.15 | 1.05 |
| 5 | 辅助 | 13 | 0.7 | 0.15 | 1.95 |
| 6 | 辅助 | 14 | 0.7 | 0.15 | 2.10 |
| 7 | 周边 | 16 | 0.7 | 0.10 | 1.60 |
| 8 | 周边 | 10 | 0.7 | 0.10 | 1.00 |
| 汇总 | | 79 | | | 11.10 |
), ArticleFig(id=1241355820802306368, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=表1, caption=
单楔形掏槽爆破参数表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 段别 | 炮孔类型 | 炮孔数量 | 钻孔深度/m | 装药量/kg |
|---|
| 单孔 | 单段 |
|---|
| 1 | 掏槽 | 4 | 1.0 | 0.40 | 1.60 |
| 2 | 辅助 | 6 | 0.7 | 0.15 | 0.90 |
| 3 | 辅助 | 6 | 0.7 | 0.15 | 0.90 |
| 4 | 辅助 | 10 | 0.7 | 0.15 | 1.05 |
| 5 | 辅助 | 13 | 0.7 | 0.15 | 1.95 |
| 6 | 辅助 | 14 | 0.7 | 0.15 | 2.10 |
| 7 | 周边 | 16 | 0.7 | 0.10 | 1.60 |
| 8 | 周边 | 10 | 0.7 | 0.10 | 1.00 |
| 汇总 | | 79 | | | 11.10 |
), ArticleFig(id=1241355820890386758, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Table 2, caption=
Model material parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型材料 | 密度/(g·cm-3) | 弹性模量/GPa | 剪切模量/GPa | 泊松比 | 抗拉强度/MPa |
|---|
| 粉质黏土 | 1.99 | 0.039 | 0.009 | 0.35 | 0.016 |
| 强风化泥质粉砂岩 | 2.10 | 0.300 | 0.016 | 0.30 | 1.850 |
| 中风化泥质粉砂岩 | 2.23 | 0.450 | 0.024 | 0.40 | 0.770 |
| 堵塞 | 7.85 | 205 | 6 | 0.20 | 235 |
| 炮泥 | 0.85 | 0.18×10-3 | — | 0.35 | — |
| C30 | 2.60 | 0.003 | 0.015 | 0.30 | 1.43 |
), ArticleFig(id=1241355820974272842, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=表2, caption=
模型材料参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型材料 | 密度/(g·cm-3) | 弹性模量/GPa | 剪切模量/GPa | 泊松比 | 抗拉强度/MPa |
|---|
| 粉质黏土 | 1.99 | 0.039 | 0.009 | 0.35 | 0.016 |
| 强风化泥质粉砂岩 | 2.10 | 0.300 | 0.016 | 0.30 | 1.850 |
| 中风化泥质粉砂岩 | 2.23 | 0.450 | 0.024 | 0.40 | 0.770 |
| 堵塞 | 7.85 | 205 | 6 | 0.20 | 235 |
| 炮泥 | 0.85 | 0.18×10-3 | — | 0.35 | — |
| C30 | 2.60 | 0.003 | 0.015 | 0.30 | 1.43 |
), ArticleFig(id=1241355821121073487, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Table 3, caption=
Parameters related to the explosive equation of state
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度(/g·cm-3) | A/GPa | R1 | R2 | ω | E0/GPa | V |
|---|
| 1.25 | 214 | 4.2 | 0.9 | 0.15 | 4.19 | 1 |
), ArticleFig(id=1241355821242708309, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=表3, caption=
炸药状态方程相关参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度(/g·cm-3) | A/GPa | R1 | R2 | ω | E0/GPa | V |
|---|
| 1.25 | 214 | 4.2 | 0.9 | 0.15 | 4.19 | 1 |
), ArticleFig(id=1241355821376926046, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=EN, label=Table 4, caption=
Comparison of peak vibration velocity between field monitoring and numerical simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| | 数值模拟振动速度/(cm·s-1) | 现场监测振动速度/(cm·s-1) | 合振速误差/% |
|---|
| x轴 | y轴 | z轴 | 合振速 | x轴 | y轴 | z轴 | 合振速 |
|---|
| #1 | 1.365 | 0.476 | 0.004 | 1.445 | 1.336 | 0.309 | 0.003 | 1.371 | 5.42 |
| #2 | 1.079 | 0.214 | 0.002 | 1.100 | 0.967 | 0.196 | 0.002 | 0.987 | 11.49 |
| #3 | 0.497 | 0.125 | 0.001 | 0.512 | 0.465 | 0.084 | 0.001 | 0.473 | 8.45 |
), ArticleFig(id=1241355821485977957, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241355803798598176, language=CN, label=表4, caption=
现场监测与数值模拟峰值振速对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| | 数值模拟振动速度/(cm·s-1) | 现场监测振动速度/(cm·s-1) | 合振速误差/% |
|---|
| x轴 | y轴 | z轴 | 合振速 | x轴 | y轴 | z轴 | 合振速 |
|---|
| #1 | 1.365 | 0.476 | 0.004 | 1.445 | 1.336 | 0.309 | 0.003 | 1.371 | 5.42 |
| #2 | 1.079 | 0.214 | 0.002 | 1.100 | 0.967 | 0.196 | 0.002 | 0.987 | 11.49 |
| #3 | 0.497 | 0.125 | 0.001 | 0.512 | 0.465 | 0.084 | 0.001 | 0.473 | 8.45 |
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