Article(id=1228805274933330162, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.05.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1691164800000, receivedDateStr=2023-08-05, revisedDate=1694966400000, revisedDateStr=2023-09-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1770899607641, onlineDateStr=2026-02-12, pubDate=1746806400000, pubDateStr=2025-05-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770899607641, onlineIssueDateStr=2026-02-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770899607641, creator=13701087609, updateTime=1770899607641, updator=13701087609, issue=Issue{id=1228805274362904818, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='5', pageStart='889', pageEnd='1132', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770899607506, creator=13701087609, updateTime=1770901500406, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1228813213828051801, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1228813213828051802, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228805274362904818, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=909, endPage=918, ext={EN=ArticleExt(id=1228805275159822579, articleId=1228805274933330162, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Reduction coefficient investigation of strong ground surface impact load models considering energy loss, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The strong surface impact loads caused by dynamic compaction and construction operations have significant implications on the surrounding environment. Traditional research methods often simplify the impact load as a triangular load for calculation. However, this simplification does not consider the energy loss during impact, leading to overestimation in the calculation results. This paper is based on the measured data from an actual dynamic compaction project. After validating the numerical method’s feasibility, a parametric analysis of key influencing factors is conducted. The paper proposes a reasonable reduction coefficient to modify the current triangular loading model. The objective is to improve the accuracy and applicability of the model for dynamic compaction projects. The calculation results indicate that the magnitude of impact energy and the soil parameters of the site are critical factors influencing the impact vibration response. It is suggested that for impact energy levels categorized as low, medium, and high, the reduction coefficients for medium-soft soil can be set as 0.85, 0.6 and 0.5, respectively. For medium-hard soil, the reduction coefficients can be set as 0.9, 0.7 and 0.6 for the corresponding low, medium, and high energy levels.
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强夯施工作业等引起的强地表冲击荷载对周围环境产生较大影响。传统研究方法将冲击荷载简化为三角形荷载,但未考虑冲击时的能量损失,导致计算结果偏大。本文基于某实际强夯工程实测数据,在验证数值方法的合理性后,开展针对关键影响因素的参数分析,建议合理的折减系数以修正目前的三角形荷载模型。计算结果表明:冲击能大小、场地土参数等是影响冲击振动响应的关键因素。低能级、中能级以及高能级的冲击能作用下,中软土的折减系数可分别取为0.85、 0.6和0.5,中硬土的折减系数则分别取为0.9、0.7和0.6。
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1.College of Civil Engineering and Architecture,Wenzhou University,Wenzhou 325035,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228805278687232343, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805278527848783, language=CN, stringName=王国波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.温州大学建筑工程学院,浙江 温州 325035)])]), Author(id=1228805278800478558, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805279052136807, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805278800478558, language=EN, stringName=Hua MEI, firstName=Hua, middleName=null, lastName=MEI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.温州大学建筑工程学院,浙江 温州 325035)])]), Author(id=1228805279211520370, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805279307989368, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805279211520370, language=EN, stringName=Yao YIN, firstName=Yao, middleName=null, lastName=YIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.College of Civil Engineering and Architecture,Wenzhou University,Wenzhou 325035,China), AuthorCompanyExt(id=1228805278087446840, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, companyId=1228805278062281014, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.温州大学建筑工程学院,浙江 温州 325035)])]), Author(id=1228805279551259012, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805279647728010, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805279551259012, language=EN, stringName=Jianning WANG, firstName=Jianning, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.中国机械工业集团有限公司,北京 100080)])]), Author(id=1228805279849054615, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805279928746396, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805279849054615, language=EN, stringName=Wei HE, firstName=Wei, middleName=null, lastName=HE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.Faculty of Engineering,China University of Geosciences,Wuhan 430074,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228805280004243876, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805279849054615, language=CN, stringName=何卫, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.中国地质大学(武汉)工程学院,湖北 武汉 430074, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228805278276190530, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, xref=3., ext=[AuthorCompanyExt(id=1228805278288773443, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, companyId=1228805278276190530, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.中国地质大学(武汉)工程学院,湖北 武汉 430074)])]), Author(id=1228805280071352746, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228805280176210352, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805280071352746, language=EN, stringName=Yuxin ZHAI, firstName=Yuxin, middleName=null, lastName=ZHAI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.China Railway Construction Group Co.,Ltd.,Beijing 100072,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228805280255902134, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, authorId=1228805280071352746, language=CN, stringName=翟玉新, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.中铁建设集团有限公司,北京 100072, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228805278376853830, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, xref=4., ext=[AuthorCompanyExt(id=1228805278389436743, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, companyId=1228805278376853830, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.中铁建设集团有限公司,北京 100072)])])], keywords=[Keyword(id=1228805280356565437, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, orderNo=1, keyword=reduction coefficient), Keyword(id=1228805280494977478, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, orderNo=2, keyword=dynamic compaction), Keyword(id=1228805280591446477, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, orderNo=3, keyword=impact load model), Keyword(id=1228805280675332561, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, orderNo=4, keyword=impact energy), Keyword(id=1228805280759218647, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, orderNo=5, keyword=buried pipeline), Keyword(id=1228805280834716124, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, orderNo=1, keyword=折减系数), Keyword(id=1228805280914407907, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, orderNo=2, keyword=强夯), Keyword(id=1228805281010876905, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, orderNo=3, keyword=冲击荷载模型), Keyword(id=1228805281103151600, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, orderNo=4, keyword=冲击能), Keyword(id=1228805281182843383, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, orderNo=5, keyword=埋地管线)], refs=[Reference(id=1228805285452645178, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, doi=null, pmid=null, pmcid=null, year=2022, volume=193, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=ZHANG H, JIN Y, LIU Q, journalName=Measurement, refType=null, unstructuredReference=
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Relationship between site and pipeline positions, figureFileSmall=N2wc5tC/JjjSBcE3ltCitQ==, figureFileBig=7+4xpQ1+GvZBtvT6NPzyeg==, tableContent=null), ArticleFig(id=1228805281463861766, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图1, caption=
场地与管道位置关系, figureFileSmall=N2wc5tC/JjjSBcE3ltCitQ==, figureFileBig=7+4xpQ1+GvZBtvT6NPzyeg==, tableContent=null), ArticleFig(id=1228805281698742810, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 2, caption=
Three test conditions and measuring points layout, figureFileSmall=I1Qel9dyvO4uV/xLkXIiCQ==, figureFileBig=scxzN40y5A3fY+K++neQJw==, tableContent=null), ArticleFig(id=1228805281803600417, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图2, caption=
三种现场试验及测点布置, figureFileSmall=I1Qel9dyvO4uV/xLkXIiCQ==, figureFileBig=scxzN40y5A3fY+K++neQJw==, tableContent=null), ArticleFig(id=1228805281887486505, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 3, caption=
Buried pipeline condition model, figureFileSmall=v2mX2T54oKF3RlA/ufW/fA==, figureFileBig=qQO2Oo8RM6W/FAX/x70Dgg==, tableContent=null), ArticleFig(id=1228805281971372590, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图3, caption=
埋管工况模型, figureFileSmall=v2mX2T54oKF3RlA/ufW/fA==, figureFileBig=qQO2Oo8RM6W/FAX/x70Dgg==, tableContent=null), ArticleFig(id=1228805282063647281, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 4, caption=
Comparison of vertical velocity at measurement point 2 20 m away from the impact point, figureFileSmall=FzIY6WYDY4+Qksgkjui4eg==, figureFileBig=H28C2m+HkNgUGAJMN7nnyQ==, tableContent=null), ArticleFig(id=1228805282168504893, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图4, caption=
距离夯击点20 m处测点2竖向速度的对比, figureFileSmall=FzIY6WYDY4+Qksgkjui4eg==, figureFileBig=H28C2m+HkNgUGAJMN7nnyQ==, tableContent=null), ArticleFig(id=1228805282269168196, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 5, caption=
Comparison of vertical velocity at measurement point 6 on buried pipe 25 m away from the impact point, figureFileSmall=PYZmkTMKfuIgxyxpU1cm5Q==, figureFileBig=j9zjDlmDK2fV8U2bzvpBhg==, tableContent=null), ArticleFig(id=1228805282357248587, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图5, caption=
距离夯击点25 m埋管处测点6竖向速度的对比, figureFileSmall=PYZmkTMKfuIgxyxpU1cm5Q==, figureFileBig=j9zjDlmDK2fV8U2bzvpBhg==, tableContent=null), ArticleFig(id=1228805282424357458, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 6, caption=
Tamping load curves, figureFileSmall=jMXb5xBE/dnyNtgyimrJvw==, figureFileBig=+qI/cph0jSld3bXDYYSmEw==, tableContent=null), ArticleFig(id=1228805282512437849, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图6, caption=
夯击荷载曲线, figureFileSmall=jMXb5xBE/dnyNtgyimrJvw==, figureFileBig=+qI/cph0jSld3bXDYYSmEw==, tableContent=null), ArticleFig(id=1228805282592129633, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 7, caption=
Comparison of numerical velocity amplitudes in buried pipeline test, figureFileSmall=LIzHOHTdgXw9W6CcM9zD+g==, figureFileBig=Mgp24kFllgCOkhmqoX+MqQ==, tableContent=null), ArticleFig(id=1228805282709570155, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图7, caption=
埋管工况试验数值速度幅值对比, figureFileSmall=LIzHOHTdgXw9W6CcM9zD+g==, figureFileBig=Mgp24kFllgCOkhmqoX+MqQ==, tableContent=null), ArticleFig(id=1228805282810233457, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 8, caption=
Triangular impact loads under different reduction, figureFileSmall=6YTn19CRIPSYwPrujxM4BQ==, figureFileBig=19Vzk1flFYGk2x91dyyffw==, tableContent=null), ArticleFig(id=1228805282906702459, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图8, caption=
不同折减下的三角形冲击荷载, figureFileSmall=6YTn19CRIPSYwPrujxM4BQ==, figureFileBig=19Vzk1flFYGk2x91dyyffw==, tableContent=null), ArticleFig(id=1228805283024142986, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 9, caption=
Comparison of results at a distance of 20 m from the impact point (Measurement point 2), figureFileSmall=WKCQoSDrE8xbrWjtMhA4/A==, figureFileBig=fanq6zWsGaxhoKT94KgBOQ==, tableContent=null), ArticleFig(id=1228805283116417682, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图9, caption=
距夯击点20 m处的结果对比(测点2), figureFileSmall=WKCQoSDrE8xbrWjtMhA4/A==, figureFileBig=fanq6zWsGaxhoKT94KgBOQ==, tableContent=null), ArticleFig(id=1228805283279995547, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 10, caption=
Comparison of results at the top of the buried pipeline (Measurement point 6), figureFileSmall=Aj+SDM0i9Cn4rrSWlUAWJw==, figureFileBig=G+qFhK1jFehvCQ+LEuoYAw==, tableContent=null), ArticleFig(id=1228805283372270244, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图10, caption=
埋管顶部处的结果对比(测点6), figureFileSmall=Aj+SDM0i9Cn4rrSWlUAWJw==, figureFileBig=G+qFhK1jFehvCQ+LEuoYAw==, tableContent=null), ArticleFig(id=1228805283447767724, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 11, caption=
Impact loads under different types of soil, figureFileSmall=Dvda0krOG4zVuw595UuptA==, figureFileBig=V5P366O7iX0TK+CSG8pIPQ==, tableContent=null), ArticleFig(id=1228805283590374069, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图11, caption=
不同场地土类型下的冲击荷载, figureFileSmall=Dvda0krOG4zVuw595UuptA==, figureFileBig=V5P366O7iX0TK+CSG8pIPQ==, tableContent=null), ArticleFig(id=1228805283695231677, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 12, caption=
Relationship between vertical vibration velocity amplitude of buried pipes and impact numbers under different types of soil, figureFileSmall=ZC/Z+n6yczK0WS/IBNIJTQ==, figureFileBig=qrWnRbsExcp43MEdWDl7QA==, tableContent=null), ArticleFig(id=1228805283783312068, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图12, caption=
不同场地条件下埋管竖向振速幅值与夯击次数的关系, figureFileSmall=ZC/Z+n6yczK0WS/IBNIJTQ==, figureFileBig=qrWnRbsExcp43MEdWDl7QA==, tableContent=null), ArticleFig(id=1228805283879781068, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 13, caption=
Relationship between vertical vibration velocity amplitude of buried pipes and impact numbers under different impact energy (Medium-soft soil), figureFileSmall=JQ3Sua+h6MnK0RRjJ1XgZg==, figureFileBig=cFhRk0xdfe7qEbJOyKtOjw==, tableContent=null), ArticleFig(id=1228805283993027281, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图13, caption=
不同冲击能下埋管竖向振速幅值与夯击次数的关系(中软土), figureFileSmall=JQ3Sua+h6MnK0RRjJ1XgZg==, figureFileBig=cFhRk0xdfe7qEbJOyKtOjw==, tableContent=null), ArticleFig(id=1228805284097884895, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Fig. 14, caption=
Relationship between vertical vibration velocity amplitude of buried pipes and impact numbers under different impact energy (Medium-hard soil), figureFileSmall=KNLlCiifL5SwWJ6KC1OUhw==, figureFileBig=JCRlGkdmeHFYWe2FatN2bA==, tableContent=null), ArticleFig(id=1228805284181770981, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=图14, caption=
不同冲击能下埋管竖向振速幅值与夯击次数的关系(中硬土), figureFileSmall=KNLlCiifL5SwWJ6KC1OUhw==, figureFileBig=JCRlGkdmeHFYWe2FatN2bA==, tableContent=null), ArticleFig(id=1228805284307600109, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Tab. 1, caption=
Impact load parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 夯击次数 | r/m | E/MPa | μ | M/kg | v0/(m·s-1) | Pmax /MPa | tN/s | tR/s |
|---|
| 1 | 1.25 | 6.0 | 0.35 | 34000 | 16.3 | 2.53 | 0.140 | 0.070 |
| 2 | 1.25 | 8.6 | 0.35 | 34000 | 16.9 | 3.14 | 0.117 | 0.058 |
| 3 | 1.25 | 10.6 | 0.30 | 34000 | 17.2 | 3.48 | 0.107 | 0.054 |
| 4 | 1.25 | 12.3 | 0.30 | 34000 | 17.3 | 3.75 | 0.099 | 0.049 |
), ArticleFig(id=1228805284425040629, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=表1, caption=
冲击荷载参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 夯击次数 | r/m | E/MPa | μ | M/kg | v0/(m·s-1) | Pmax /MPa | tN/s | tR/s |
|---|
| 1 | 1.25 | 6.0 | 0.35 | 34000 | 16.3 | 2.53 | 0.140 | 0.070 |
| 2 | 1.25 | 8.6 | 0.35 | 34000 | 16.9 | 3.14 | 0.117 | 0.058 |
| 3 | 1.25 | 10.6 | 0.30 | 34000 | 17.2 | 3.48 | 0.107 | 0.054 |
| 4 | 1.25 | 12.3 | 0.30 | 34000 | 17.3 | 3.75 | 0.099 | 0.049 |
), ArticleFig(id=1228805284538286848, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Tab. 2, caption=
Different soil parameters in various sites
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地土类型 | 密度/(kg·m-3) | 泊松比 | 剪切波速/(m·s-1) | 静弹性模量/MPa | 粘聚力/kPa |
|---|
| 中软土 | 1800 | 0.3 | 240 | 270 | 30 |
| 中硬土 | 1850 | 0.3 | 410 | 809 | 15 |
), ArticleFig(id=1228805284643144454, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=表2, caption=
不同场地土参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地土类型 | 密度/(kg·m-3) | 泊松比 | 剪切波速/(m·s-1) | 静弹性模量/MPa | 粘聚力/kPa |
|---|
| 中软土 | 1800 | 0.3 | 240 | 270 | 30 |
| 中硬土 | 1850 | 0.3 | 410 | 809 | 15 |
), ArticleFig(id=1228805284748002060, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=EN, label=Tab. 3, caption=
Recommended reduction coefficient scheme
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地土类型 | 冲击能 | 建议折减系数 |
|---|
| 中软土 | 低能级 中能级 高能级 | 0.85 0.60 0.50 |
| 中硬土 | 低能级 中能级 高能级 | 0.90 0.70 0.60 |
), ArticleFig(id=1228805284878025492, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228805274933330162, language=CN, label=表3, caption=
建议折减系数方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地土类型 | 冲击能 | 建议折减系数 |
|---|
| 中软土 | 低能级 中能级 高能级 | 0.85 0.60 0.50 |
| 中硬土 | 低能级 中能级 高能级 | 0.90 0.70 0.60 |
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