Article(id=1241777709592936805, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.02.023, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1681920000000, receivedDateStr=2023-04-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773992477080, onlineDateStr=2026-03-20, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773992477080, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773992477080, creator=13701087609, updateTime=1773992477080, updator=13701087609, issue=Issue{id=1241777699996368955, tenantId=1146029695717560320, journalId=1240670690148397066, year='2024', volume='41', issue='2', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773992474792, creator=13701087609, updateTime=1773992784144, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241778997575619516, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241778997575619517, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=185, endPage=193, ext={EN=ArticleExt(id=1241777710129807748, articleId=1241777709592936805, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Analysis of Dynamic Characteristics of Old Masonry Structure under Blasting-induced Earthquake, columnId=1240702076553065119, journalTitle=Blasting, columnName=BLASTING SAFETY, runingTitle=null, highlight=null, articleAbstract=
In urban centers, there are numerous old masonry buildings that possess poor seismic performance and may suffer damage under the effects of blasting. To investigate the dynamic characteristics of these structures when subjected to blasting, a strong motion instrument was installed near a blasting site on an old masonry building. This allowed for observation of both instantaneous and cumulative damage effects on the structure. By analyzing records of blasting acceleration and velocity in both time and frequency domains, it is concluded that the dynamic characteristics of the masonry structure can be better identified using blasting velocity rather than acceleration. Additionally, it is found that the transverse resonance of the masonry structure is most influenced by the blasting seismic velocity. Furthermore, both blasting seismic velocity and acceleration can approximately identify low order translational and torsional frequencies of the masonry structure. However, when calculating natural vibration frequency, it is observed that using blasting velocity yields a lower value (1.8%~3.4% lower) compared to calculations based on ground pulsation methods. This discrepancy arises because blast vibrations provide a more accurate reflection of structural response under larger vibrations. Moreover, frequent blasts may induce nonlinear responses in old masonry structures. By monitoring changes in natural vibration frequency over time due to long-term exposure to blasts, it is determined that with increasing blast frequency, first-order torsional frequency decreases by 4%, second-order transverse frequency decreases by 3.6%, and second-order longitudinal frequency decreases by 5.2%. These reductions occur even though individual blasts meet safety regulations, thus highlighting the importance of considering cumulative damage effects from long-term exposure to blasts for old masonry structures with poor seismic capacity during safety monitoring.
, correspAuthors=null, authorNote=null, correspAuthorsNote=
XIA Jie-ning (1982-), Male, Senior engineer, Master degree, engaged in the study on major engineering environmental vibration, ground motion monitoring, warning and disaster reduction, (E-mail)
xjnyqy@163.com.
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城市内老旧砌体结构多但抗震性能较差,在爆破作用下可能产生破坏。为研究爆破作用下老旧砌体的动力特性,在爆破现场附近的老旧砌体结构上布设强震仪,以观测爆破地震波对结构的瞬时作用以及长期爆破作用下的累积损伤效应。通过对爆破加速度和速度记录进行时域和频域分析比较,认为爆破速度记录相比爆破加速度记录可以更好地识别出砌体结构的动力特性,且爆破地震速度对砌体结构横向的共振影响最大。采用对比分析法,分别用爆破地震速度和地脉动加速度记录识别老旧砌体结构的动力特性,发现两种方法都能近似地识别出砌体结构的低阶平动和扭转频率,但采用爆破速度计算的自振频率比地脉动法要小1.8%~3.4%,这主要是因为爆破振动更能反映在较大振动作用下结构的响应,频繁的爆破可能导致老旧砌体结构出现非线性反应。通过监测结构自振频率在长期爆破作用下的变化,发现虽然单个爆破振动能满足《爆破安全规程》的安全要求,但在长期爆破作用下,结构1阶扭转频率、2阶横向和纵向频率随爆破次数的增加分别减少了4%、3.6%和5.2%,因此在爆破安全监测中应考虑长期爆破作用对老旧砌体结构等抗震能力较差建筑的累积损伤效应。
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夏界宁(1982-),男,高级工程师、硕士,主要从事重大工程环境振动、地震动监测预警和减灾研究,(E-mail)
xjnyqy@163.com.
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=A2KlOyIFbJN1049ThcokkA==, magXml=zHEooVRtPYsIijHafIwsvg==, pdfUrl=null, pdf=m62v1uO9LHATQFa3qeOh1A==, pdfFileSize=1212240, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=exODLpy8xD8R/6cfiuBhsA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=ZOJd/fDsmuR7TL3KJSjpiA==, mapNumber=null, authorCompany=null, fund=null, authors=
黄俊(1986-),男,工程师、硕士,主要从事重大工程环境振动、地震动监测预警和减灾研究,(E-mail)huang.jun139@163.com.
HUANG Jun (1986-), Male, Engineer, Master degree, engaged in the study on major engineering environmental vibration, ground motion monitoring, warning and disaster reduction, (E-mail) huang.jun139@163.com.
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1.Hubei Province Key Laboratory of Earthquake Early Warning, Hubei Earthquake Agency, Wuhan 430071, China
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1.湖北省地震局地震预警湖北省重点实验室,武汉 430071
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黄俊(1986-),男,工程师、硕士,主要从事重大工程环境振动、地震动监测预警和减灾研究,(E-mail)huang.jun139@163.com.
HUANG Jun (1986-), Male, Engineer, Master degree, engaged in the study on major engineering environmental vibration, ground motion monitoring, warning and disaster reduction, (E-mail) huang.jun139@163.com.
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黄俊(1986-),男,工程师、硕士,主要从事重大工程环境振动、地震动监测预警和减灾研究,(E-mail)huang.jun139@163.com.
HUANG Jun (1986-), Male, Engineer, Master degree, engaged in the study on major engineering environmental vibration, ground motion monitoring, warning and disaster reduction, (E-mail) huang.jun139@163.com.
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1.Hubei Province Key Laboratory of Earthquake Early Warning, Hubei Earthquake Agency, Wuhan 430071, China
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1.湖北省地震局地震预警湖北省重点实验室,武汉 430071
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1.Hubei Province Key Laboratory of Earthquake Early Warning, Hubei Earthquake Agency, Wuhan 430071, China
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1.湖北省地震局地震预警湖北省重点实验室,武汉 430071
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The horizontal and vertical position relation diagram of the rock blasting excavation working surface of the deep foundation pit of subway station and the old masonry structure buildings, figureFileSmall=LWFTwu6ZVDD+DJJ0Blrdag==, figureFileBig=exODLpy8xD8R/6cfiuBhsA==, tableContent=null), ArticleFig(id=1241777719931896767, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图1, caption=
地铁车站深基坑岩石爆破开挖作业面与老旧砌体结构的平、纵位置关系图, figureFileSmall=LWFTwu6ZVDD+DJJ0Blrdag==, figureFileBig=exODLpy8xD8R/6cfiuBhsA==, tableContent=null), ArticleFig(id=1241777720116446158, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 2, caption=
Maximum blasting seismic acceleration record and corresponding velocity record, figureFileSmall=k/sO9h/4kw/9rkySI0sqGA==, figureFileBig=uDIcRKF75obzqbcnXOM6DA==, tableContent=null), ArticleFig(id=1241777720238080986, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图2, caption=
最大爆破加速度时程和对应的速度时程, figureFileSmall=k/sO9h/4kw/9rkySI0sqGA==, figureFileBig=uDIcRKF75obzqbcnXOM6DA==, tableContent=null), ArticleFig(id=1241777720351327207, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 3, caption=
Maximum blasting seismic velocity and corresponding acceleration record and their power spectrums, figureFileSmall=NoNoZ+9bvLh/9pGRFGqPkg==, figureFileBig=6C1rVgnCvaOawJ/Gg2pNRQ==, tableContent=null), ArticleFig(id=1241777720468767729, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图3, caption=
最大爆破速度和对应的加速度时程, figureFileSmall=NoNoZ+9bvLh/9pGRFGqPkg==, figureFileBig=6C1rVgnCvaOawJ/Gg2pNRQ==, tableContent=null), ArticleFig(id=1241777720573625341, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 4, caption=
Maximum blasting seismic acceleration record and corresponding velocity record power spectrums, figureFileSmall=hItu7hGirAhRzTtQfkCNzQ==, figureFileBig=2Tg2ssiUYLQb99Y4kpAZdg==, tableContent=null), ArticleFig(id=1241777720682676229, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图4, caption=
最大爆破加速度时程和对应的速度时程功率谱, figureFileSmall=hItu7hGirAhRzTtQfkCNzQ==, figureFileBig=2Tg2ssiUYLQb99Y4kpAZdg==, tableContent=null), ArticleFig(id=1241777722221985806, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 5, caption=
Maximum blasting seismic velocity and corresponding acceleration record power spectrums, figureFileSmall=+wQNiByaAeriqky1pO+vaQ==, figureFileBig=9dMav9RkuEMAN3+ublNGew==, tableContent=null), ArticleFig(id=1241777722335232025, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图5, caption=
最大爆破速度和对应的加速度时程功率谱, figureFileSmall=+wQNiByaAeriqky1pO+vaQ==, figureFileBig=9dMav9RkuEMAN3+ublNGew==, tableContent=null), ArticleFig(id=1241777722494615589, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 6, caption=
Blasting velocity power spectrum, figureFileSmall=Xm3rFOBe/L42QrucGfZ1OA==, figureFileBig=6c/3oDZ3ZKh0qJCZ2k6LoA==, tableContent=null), ArticleFig(id=1241777722582695980, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图6, caption=
爆破速度功率谱, figureFileSmall=Xm3rFOBe/L42QrucGfZ1OA==, figureFileBig=6c/3oDZ3ZKh0qJCZ2k6LoA==, tableContent=null), ArticleFig(id=1241777722674970677, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 7, caption=
Ambient vibration power spectrum, figureFileSmall=+XwiowkEx/oyw766bZakcw==, figureFileBig=Z4d1eIpiKGACPm1h7+r6Qw==, tableContent=null), ArticleFig(id=1241777722792411202, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图7, caption=
地脉动功率谱, figureFileSmall=+XwiowkEx/oyw766bZakcw==, figureFileBig=Z4d1eIpiKGACPm1h7+r6Qw==, tableContent=null), ArticleFig(id=1241777722888880200, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Fig. 8, caption=
Relationship of the masonry building between frequency and time, figureFileSmall=qHTAyUzClMX3jzmbsiA9KA==, figureFileBig=CIH+Sp5Ii4QbgmhsnROLng==, tableContent=null), ArticleFig(id=1241777722993737807, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=图8, caption=
砌体结构自振频率随时间的变化关系, figureFileSmall=qHTAyUzClMX3jzmbsiA9KA==, figureFileBig=CIH+Sp5Ii4QbgmhsnROLng==, tableContent=null), ArticleFig(id=1241777723140538460, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Table 1, caption=
Blasting seismic vibration peak direction statistics
, figureFileSmall=null, figureFileBig=null, tableContent=
| 振动方向 | 峰值的数量和占比 |
|---|
| 加速度记录/(cm·s-2) | 占比/% | 速度记录/(cm·s-1) | 占比/% |
|---|
| 横向 | 17 | 12.9 | 94 | 71.2 |
| 纵向 | 16 | 12.1 | 0 | 0 |
| 竖向 | 99 | 75.0 | 38 | 28.8 |
), ArticleFig(id=1241777723237007458, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=表1, caption=
爆破地震记录峰值振动方向统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 振动方向 | 峰值的数量和占比 |
|---|
| 加速度记录/(cm·s-2) | 占比/% | 速度记录/(cm·s-1) | 占比/% |
|---|
| 横向 | 17 | 12.9 | 94 | 71.2 |
| 纵向 | 16 | 12.1 | 0 | 0 |
| 竖向 | 99 | 75.0 | 38 | 28.8 |
), ArticleFig(id=1241777723341865063, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Table 2, caption=
Blasting seismic vibration predominant frequency statistics
, figureFileSmall=null, figureFileBig=null, tableContent=
| 振动方向 | 爆破地震加速度记录主频统计 | 爆破地震速度记录主频统计 |
|---|
| <10 Hz | 占比/% | ≥10 Hz | 占比/% | <10 Hz | 占比/% | ≥10 Hz | 占比/% |
|---|
| 横向 | 126 | 95.5 | 6 | 4.5 | 132 | 100 | 0 | 0 |
| 纵向 | 45 | 34.1 | 87 | 65.9 | 128 | 97 | 4 | 3 |
| 竖向 | 0 | 0 | 132 | 100 | 19 | 14.4 | 113 | 85.6 |
), ArticleFig(id=1241777723434139758, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=表2, caption=
爆破地震记录卓越频率统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 振动方向 | 爆破地震加速度记录主频统计 | 爆破地震速度记录主频统计 |
|---|
| <10 Hz | 占比/% | ≥10 Hz | 占比/% | <10 Hz | 占比/% | ≥10 Hz | 占比/% |
|---|
| 横向 | 126 | 95.5 | 6 | 4.5 | 132 | 100 | 0 | 0 |
| 纵向 | 45 | 34.1 | 87 | 65.9 | 128 | 97 | 4 | 3 |
| 竖向 | 0 | 0 | 132 | 100 | 19 | 14.4 | 113 | 85.6 |
), ArticleFig(id=1241777723518025843, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=EN, label=Table 3, caption=
Identification results of masonry structure dynamic characteristics
, figureFileSmall=null, figureFileBig=null, tableContent=
| 频率/Hz | 地脉动识别 | 爆破地震速度识别 | 偏差/% |
|---|
| 1阶横向 | 4.199 | 4.102 | -2.3 |
| 1阶纵向 | 4.102 | 4.004 | -2.4 |
| 1阶扭转 | 4.883 | 4.785 | -2.0 |
| 2阶横向 | 5.469 | 5.371 | -1.8 |
| 2阶纵向 | 5.664 | 5.469 | -3.4 |
), ArticleFig(id=1241777723622883450, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777709592936805, language=CN, label=表3, caption=
砌体结构动力特性识别结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 频率/Hz | 地脉动识别 | 爆破地震速度识别 | 偏差/% |
|---|
| 1阶横向 | 4.199 | 4.102 | -2.3 |
| 1阶纵向 | 4.102 | 4.004 | -2.4 |
| 1阶扭转 | 4.883 | 4.785 | -2.0 |
| 2阶横向 | 5.469 | 5.371 | -1.8 |
| 2阶纵向 | 5.664 | 5.469 | -3.4 |
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