Article(id=1241777703288901655, tenantId=1146029695717560320, journalId=1240670690148397066, issueId=1241777699996368955, articleNumber=null, orderNo=null, doi=10.3963/j.issn.1001-487X.2024.02.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1673280000000, receivedDateStr=2023-01-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773992475578, onlineDateStr=2026-03-20, pubDate=1717171200000, pubDateStr=2024-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773992475578, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773992475578, creator=13701087609, updateTime=1773992475578, 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=40, endPage=50, ext={EN=ArticleExt(id=1241777705402830896, articleId=1241777703288901655, tenantId=1146029695717560320, journalId=1240670690148397066, language=EN, title=Experimental Study on Dynamic Compressive and Tensile Mechanical Properties of Steel Fiber Reinforced Concrete, columnId=1240702071733801442, journalTitle=Blasting, columnName=THEORETICAL AND TECHNOLOGICAL EXPLORATION, runingTitle=null, highlight=null, articleAbstract=
In order to investigate the influence mechanism of steel fiber content on the dynamic compression and tensile mechanical properties of concrete, this study conducted dynamic compression and dynamic Brazilian splitting tests on concrete samples with varying impact pressure and steel fiber volume contents (0% C50 element concrete, 2%, 3%, and 4%) using a Hopkinson pressure bar (SHPB) device. Additionally, high-speed photography was employed to reveal the dynamic evolution process of cracks. The test results demonstrate that under the same impact pressure, both the dynamic compressive strength and dynamic splitting tensile strength of steel fiber reinforced concrete samples exhibit a positive correlation with the content of steel fiber. Furthermore, there is also a positive correlation between energy absorption capacity and degree of crushing, indicating that steel fibers effectively inhibit concrete crushing while preventing excessive energy absorption and dissipation in these samples. The upper limit for energy absorption rate in steel fiber reinforced concrete samples ranges from 30% to 36%. Notably, compared to its effect on dynamic compressive strength, steel fibers significantly enhance the dynamic splitting tensile strength of concrete. For applications requiring high-strength or anti-violence characteristics in combination with cost-effectiveness, technical controllability, and test data analysis; incorporating a reasonable range for toughening can be achieved by including 2%~3% steel fiber content into high-strength concrete. Moreover, it is important to note that the action mechanism of steel fibers differs when considering their effects on both dynamic splitting and compression failure in concrete samples. Steel fibers significantly impede crack propagation during dynamic splitting processes; however, separation between the fibers themselves leads to ineffective toughening during dynamic compression."
, correspAuthors=null, authorNote=null, correspAuthorsNote=
JIA Yong-sheng (1970-), Male, D. E, Professor and doctoral supervisor, Engaged in teaching, scientific research and practice of engineering blasting and its protection, tunnel blasting engineering and so on, (E-mail)
jason03566@163.com.
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为探究钢纤维含量对混凝土动态压缩和拉伸力学特性的影响机制,采用霍普金森压杆(SHPB)装置开展了不同冲击气压、不同钢纤维体积含量(0% C50素混凝土、2%、3%和4%)的混凝土试样动态压缩和动态巴西劈裂试验,并结合高速摄影揭示了试样裂纹的动态演化过程。试验结果表明:在同一冲击气压下,钢纤维混凝土试样的动态压缩强度和动态劈裂拉伸强度与钢纤维含量呈正相关,其吸能程度和破碎程度也呈正相关。钢纤维可有效抑制混凝土的破碎,阻碍钢纤维混凝土试样对冲击能量的吸收与耗散。其中,钢纤维混凝土试样吸能率的上限区间为30%~36%。钢纤维对混凝土的动态劈裂拉伸强度的提升显著高于其对动态抗压强度的提升,且对于较高混凝土强度、甚至有抗爆需求的钢纤维混凝土,结合试验数据、工程经济成本、技术可控性等方面考虑,2%~3%钢纤维含量可作为混凝土增韧的合理区间。钢纤维对混凝土试样动态劈裂和压缩破坏的作用机理不同,动态劈裂过程中,钢纤维可显著阻碍和约束混凝土裂缝的动态扩展;而动态压缩过程中,钢纤维和混凝土之间因发生剥离而导致增韧作用失效。
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彭松林(1998-),男,硕士,从事钢纤维混凝土、隧道爆破技术的研究工作,(E-mail)pengsonglin1998@163.com。
PENG Song-lin (1998-), Male, master, engaged in the research of steel fiber reinforced concrete and tunnel blasting technology, (E-mail) pengsonglin1998@163.com.
, authorsList=彭松林, 贾永胜, 董千, 叶张帆, 杨轩, 康嘉)}, authors=[Author(id=1241777715435606624, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=pengsonglin1998@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241777715553047151, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777715435606624, language=EN, stringName=Song-lin PENG, firstName=Song-lin, middleName=null, lastName=PENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2a, 2b, address=
1.CCCC Second Harbor Engineering Co., Ltd., Wuhan 430040, China
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241777715657904761, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777715435606624, language=CN, stringName=彭松林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2a, 2b, address=
1.中交第二航务工程局有限公司,武汉 430040
2a.江汉大学 精细爆破国家重点实验室,武汉 430056
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056, bio={"content":"
彭松林(1998-),男,硕士,从事钢纤维混凝土、隧道爆破技术的研究工作,(E-mail)pengsonglin1998@163.com。
PENG Song-lin (1998-), Male, master, engaged in the research of steel fiber reinforced concrete and tunnel blasting technology, (E-mail) pengsonglin1998@163.com.
"}, bioImg=null, bioContent=
彭松林(1998-),男,硕士,从事钢纤维混凝土、隧道爆破技术的研究工作,(E-mail)pengsonglin1998@163.com。
PENG Song-lin (1998-), Male, master, engaged in the research of steel fiber reinforced concrete and tunnel blasting technology, (E-mail) pengsonglin1998@163.com.
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1.中交第二航务工程局有限公司,武汉 430040)]), AuthorCompany(id=1241777715179754048, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2a., ext=[AuthorCompanyExt(id=1241777715192336963, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2a.江汉大学 精细爆破国家重点实验室,武汉 430056)]), AuthorCompany(id=1241777715318166098, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2b., ext=[AuthorCompanyExt(id=1241777715326554709, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715334943318, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056)])]), Author(id=1241777715775345289, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=jason03566@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241777715888591508, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777715775345289, language=EN, stringName=Yong-sheng JIA, firstName=Yong-sheng, middleName=null, lastName=JIA, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241777716022809245, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777715775345289, language=CN, stringName=贾永胜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.江汉大学 精细爆破国家重点实验室,武汉 430056
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241777715179754048, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2a., ext=[AuthorCompanyExt(id=1241777715192336963, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715200725573, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2a.江汉大学 精细爆破国家重点实验室,武汉 430056)]), AuthorCompany(id=1241777715318166098, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2b., ext=[AuthorCompanyExt(id=1241777715326554709, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715334943318, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056)])]), Author(id=1241777716169609896, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, 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=1241777717700530868, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777716169609896, language=EN, stringName=Qian DONG, firstName=Qian, middleName=null, lastName=DONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241777717788611262, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777716169609896, language=CN, stringName=董千, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.江汉大学 精细爆破国家重点实验室,武汉 430056
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241777715179754048, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2a., ext=[AuthorCompanyExt(id=1241777715192336963, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2a.江汉大学 精细爆破国家重点实验室,武汉 430056)]), AuthorCompany(id=1241777715318166098, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2b., ext=[AuthorCompanyExt(id=1241777715326554709, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715334943318, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056)])]), Author(id=1241777717876691661, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, 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=1241777718027686618, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777717876691661, language=EN, stringName=Zhang-fan YE, firstName=Zhang-fan, middleName=null, lastName=YE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241777718157710060, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, authorId=1241777717876691661, language=CN, stringName=叶张帆, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2a, 2b, address=
2a.江汉大学 精细爆破国家重点实验室,武汉 430056
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241777715179754048, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2a., ext=[AuthorCompanyExt(id=1241777715192336963, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715200725573, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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35(3): 722-731. (in Chinese), articleTitle=Effect of steel fibers on the flexural response of ultra-high performance concrete, refAbstract=null), Reference(id=1241777729243255078, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, doi=null, pmid=null, pmcid=null, year=2005, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[12], rfOrder=18, authorNames=王礼立, journalName=应力波基础, refType=null, unstructuredReference=王礼立.
应力波基础[M]. 2版. 北京: 国防工业出版社,
2005., articleTitle=null, refAbstract=null)], funds=[Fund(id=1241777726907027631, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, awardId=52108368, language=EN, fundingSource=National Natural Science Foundation of China(52108368), fundOrder=null, country=null), Fund(id=1241777726990913717, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, awardId=52108368, language=CN, fundingSource=国家自然科学基金项目(52108368), fundOrder=null, country=null), Fund(id=1241777727116742843, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, awardId=2020CFA043, language=EN, fundingSource=Hubei Provincial Natural Science Foundation Innovation Group Project(2020CFA043), fundOrder=null, country=null), Fund(id=1241777727213211838, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, awardId=2020CFA043, language=CN, fundingSource=湖北省自然科学基金创新群体项目(2020CFA043), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241777715049730607, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=1., ext=[AuthorCompanyExt(id=1241777715058119215, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715049730607, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.中交第二航务工程局有限公司,武汉 430040)]), AuthorCompany(id=1241777715179754048, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2a., ext=[AuthorCompanyExt(id=1241777715192336963, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2a.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715200725573, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715179754048, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2a.江汉大学 精细爆破国家重点实验室,武汉 430056)]), AuthorCompany(id=1241777715318166098, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, xref=2b., ext=[AuthorCompanyExt(id=1241777715326554709, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China), AuthorCompanyExt(id=1241777715334943318, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, companyId=1241777715318166098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2b.江汉大学 爆破工程湖北省重点实验室,武汉 430056)])], figs=[ArticleFig(id=1241777720120644529, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 1, caption=
ϕ 100 mm Hopkinson pressure bar device, figureFileSmall=NGQLNVnFkaO+Q7PN78+qfw==, figureFileBig=Y5DjRN1yY5j1TdqMbAQN/g==, tableContent=null), ArticleFig(id=1241777720221307831, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图1, caption=
ϕ 100 mm Hopkinson压杆装置, figureFileSmall=NGQLNVnFkaO+Q7PN78+qfw==, figureFileBig=Y5DjRN1yY5j1TdqMbAQN/g==, tableContent=null), ArticleFig(id=1241777720456188868, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 2, caption=
Typical steel fiber reinforced concrete cylindrical specimens, figureFileSmall=usdR95486V2hU2lq0fPuCg==, figureFileBig=AO3nNjMQJU6P8KhMtJMIBA==, tableContent=null), ArticleFig(id=1241777720565240780, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图2, caption=
典型钢纤维混凝土圆柱形试样, figureFileSmall=usdR95486V2hU2lq0fPuCg==, figureFileBig=AO3nNjMQJU6P8KhMtJMIBA==, tableContent=null), ArticleFig(id=1241777720670098390, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 3, caption=
Dynamic compression and dynamic equilibrium curves of splitting specimens of steel fiber reinforced concrete under typical impact air pressure, figureFileSmall=CULkmgWXqEEuwT8VgfnRXQ==, figureFileBig=LcfRlleIxGgrhkU5GVrw+w==, tableContent=null), ArticleFig(id=1241777722209407964, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图3, caption=
典型冲击气压下钢纤维混凝土动态压缩及劈裂试样动态平衡曲线, figureFileSmall=CULkmgWXqEEuwT8VgfnRXQ==, figureFileBig=LcfRlleIxGgrhkU5GVrw+w==, tableContent=null), ArticleFig(id=1241777722322654183, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 4, caption=
Dynamic compression test of steel fiber reinforced concrete specimen, figureFileSmall=+Q5ijsQbbDDfc3QxcJX2Ow==, figureFileBig=Kp/djqTe0ocgGL/MT94jvg==, tableContent=null), ArticleFig(id=1241777722406540272, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图4, caption=
钢纤维混凝土试样动态压缩试验, figureFileSmall=+Q5ijsQbbDDfc3QxcJX2Ow==, figureFileBig=Kp/djqTe0ocgGL/MT94jvg==, tableContent=null), ArticleFig(id=1241777722515592183, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 5, caption=
Stress-strain curve of steel fiber reinforced concrete at 0.5 MPa, figureFileSmall=BCYO0Pa6qNMyuDHfQ97dxg==, figureFileBig=wzHcS6UJDSnCsR3OjG5PxQ==, tableContent=null), ArticleFig(id=1241777722599478270, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图5, caption=
0.5 MPa下钢纤维混凝土试样应力-应变曲线, figureFileSmall=BCYO0Pa6qNMyuDHfQ97dxg==, figureFileBig=wzHcS6UJDSnCsR3OjG5PxQ==, tableContent=null), ArticleFig(id=1241777722695946246, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 6, caption=
Dynamic compressive strength of steel fiber reinforced concrete, figureFileSmall=eXIk6r8bujxPGgck/g0/lg==, figureFileBig=hsTwAz0l2igLeK0qVgAVVQ==, tableContent=null), ArticleFig(id=1241777722859524109, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图6, caption=
钢纤维混凝土动态抗压强度变化规律, figureFileSmall=eXIk6r8bujxPGgck/g0/lg==, figureFileBig=hsTwAz0l2igLeK0qVgAVVQ==, tableContent=null), ArticleFig(id=1241777722972770321, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 7, caption=
Energy absorption rate of steel fiber reinforced concrete under different impact pressure, figureFileSmall=qCI8T9Sobrk7WwpGUScfCA==, figureFileBig=dcyJDXOEEkPI9idXVCHBDQ==, tableContent=null), ArticleFig(id=1241777723073433626, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图7, caption=
钢纤维混凝土试样不同冲击气压下的吸能率, figureFileSmall=qCI8T9Sobrk7WwpGUScfCA==, figureFileBig=dcyJDXOEEkPI9idXVCHBDQ==, tableContent=null), ArticleFig(id=1241777723140542496, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 8, caption=
Typical crack propagation image taken by high speed photography, figureFileSmall=CkmNCbHQeVNcjlqEH/UAHw==, figureFileBig=j0ezv8NGor/pbXGlQs3UWw==, tableContent=null), ArticleFig(id=1241777723228622883, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图8, caption=
钢纤维混凝土试样裂纹扩展高速摄影典型图像, figureFileSmall=CkmNCbHQeVNcjlqEH/UAHw==, figureFileBig=j0ezv8NGor/pbXGlQs3UWw==, tableContent=null), ArticleFig(id=1241777723337674795, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 9, caption=
Dynamic splitting of Brazilian disc, figureFileSmall=RH8uiU8Kg4hYKr1ZAB1rJw==, figureFileBig=IGUwuPsekOSTVVt7dVBcVQ==, tableContent=null), ArticleFig(id=1241777723425755184, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图9, caption=
巴西圆盘动态劈裂示意图, figureFileSmall=RH8uiU8Kg4hYKr1ZAB1rJw==, figureFileBig=IGUwuPsekOSTVVt7dVBcVQ==, tableContent=null), ArticleFig(id=1241777723555778617, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 10, caption=
Dynamic splitting tensile strength of steel fiber reinforced concrete specimens, figureFileSmall=m6w1bX+DoJl1jpSNNFjt8Q==, figureFileBig=LIYnhC48qGdqN4AvSBeozA==, tableContent=null), ArticleFig(id=1241777723715162174, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图10, caption=
钢纤维混凝土试样动态抗拉强度变化规律, figureFileSmall=m6w1bX+DoJl1jpSNNFjt8Q==, figureFileBig=LIYnhC48qGdqN4AvSBeozA==, tableContent=null), ArticleFig(id=1241777723790659653, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 11, caption=
High speed photography of typical splitting crack propagation, figureFileSmall=nZj4HO8ckdgh0IEFOnF8FA==, figureFileBig=PxhKP2PQms3AGWB4orKtnw==, tableContent=null), ArticleFig(id=1241777723857768524, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图11, caption=
典型钢纤维混凝土试样劈裂裂纹扩展高速摄影, figureFileSmall=nZj4HO8ckdgh0IEFOnF8FA==, figureFileBig=PxhKP2PQms3AGWB4orKtnw==, tableContent=null), ArticleFig(id=1241777723966820429, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 12, caption=
Velocity of typical failure characteristic point of concrete specimen in Brazil splitting test, figureFileSmall=d4Gdj1acWps1Ni/VbYgr5w==, figureFileBig=L3NlVFQIw3h3+zrlZiY3wQ==, tableContent=null), ArticleFig(id=1241777724059095120, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图12, caption=
巴西劈裂试验混凝土试样典型破坏特征点速度, figureFileSmall=d4Gdj1acWps1Ni/VbYgr5w==, figureFileBig=L3NlVFQIw3h3+zrlZiY3wQ==, tableContent=null), ArticleFig(id=1241777724163952727, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 13, caption=
Growth rate of tensile and compressive strength of steel fiber reinforced concrete at 0.5 MPa, figureFileSmall=eObYldD4vOw2RdudTcTNkg==, figureFileBig=dq4slwQexR9ZdLndbfODyg==, tableContent=null), ArticleFig(id=1241777724247838811, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图13, caption=
0.5 MPa冲击气压下钢纤维混凝土动态拉压强度增长率, figureFileSmall=eObYldD4vOw2RdudTcTNkg==, figureFileBig=dq4slwQexR9ZdLndbfODyg==, tableContent=null), ArticleFig(id=1241777724323336291, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Fig. 14, caption=
Typical failure mode of compression and splitting, figureFileSmall=nCZGLxwUACCYfC+TzAS19w==, figureFileBig=K5f/ZpYNbC6Zft8WrnzVyg==, tableContent=null), ArticleFig(id=1241777724407222376, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=图14, caption=
典型压缩和劈裂的破坏形态, figureFileSmall=nCZGLxwUACCYfC+TzAS19w==, figureFileBig=K5f/ZpYNbC6Zft8WrnzVyg==, tableContent=null), ArticleFig(id=1241777724499497070, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Table 1, caption=
The physical property parameters of steel fiber
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 单位 | 参数 | 实物图 |
|---|
| 抗拉强度 | MPa | 390 |  |
| 长径比 | / | 40 |
| 纤维杂质含量 | % | 0.3 |
| 弯折性能 | / | 一次不断率为98% |
| 长度 | mm | 20 |
), ArticleFig(id=1241777724625326194, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=表1, caption=
钢纤维物理性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 单位 | 参数 | 实物图 |
|---|
| 抗拉强度 | MPa | 390 |  |
| 长径比 | / | 40 |
| 纤维杂质含量 | % | 0.3 |
| 弯折性能 | / | 一次不断率为98% |
| 长度 | mm | 20 |
), ArticleFig(id=1241777724742766714, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Table 2, caption=
Results of steel fiber reinforced concrete SHPB uniaxial impact compression test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲击气压/MPa | 冲击速度/(m·s-1) | 纤维含量% | 动态抗压强度/MPa | 平均应变率/s-1 | 强度增长比/% |
|---|
| 0.5 | 9.030 | 4 | 100.45 | 102 | 4.37 |
| 9.109 | 3 | 96.24 | 98 | 1.39 |
| 8.994 | 2 | 94.92 | 90 | 23.02 |
| 9.010 | 0 | 77.16 | 97 | - |
| 0.4 | 8.501 | 4 | 90.31 | 83 | 11.23 |
| 8.401 | 3 | 81.19 | 84 | 2.46 |
| 8.433 | 2 | 79.24 | 82 | 18.78 |
| 8.531 | 0 | 66.71 | 86 | - |
| 0.3 | 7.369 | 4 | 83.48 | 74 | 4.73 |
| 7.410 | 3 | 79.71 | 75 | 10.23 |
| 7.291 | 2 | 72.31 | 72 | 14.81 |
| 7.354 | 0 | 62.98 | 74 | - |
| 0.2 | 5.620 | 4 | 75.88 | 56 | 9.05 |
| 5.592 | 3 | 69.58 | 54 | 1.81 |
| 5.588 | 2 | 68.34 | 53 | 18.63 |
| 5.601 | 0 | 57.61 | 56 | - |
), ArticleFig(id=1241777724847624322, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=表2, caption=
钢纤维混凝土试样应力-应变曲线特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲击气压/MPa | 冲击速度/(m·s-1) | 纤维含量% | 动态抗压强度/MPa | 平均应变率/s-1 | 强度增长比/% |
|---|
| 0.5 | 9.030 | 4 | 100.45 | 102 | 4.37 |
| 9.109 | 3 | 96.24 | 98 | 1.39 |
| 8.994 | 2 | 94.92 | 90 | 23.02 |
| 9.010 | 0 | 77.16 | 97 | - |
| 0.4 | 8.501 | 4 | 90.31 | 83 | 11.23 |
| 8.401 | 3 | 81.19 | 84 | 2.46 |
| 8.433 | 2 | 79.24 | 82 | 18.78 |
| 8.531 | 0 | 66.71 | 86 | - |
| 0.3 | 7.369 | 4 | 83.48 | 74 | 4.73 |
| 7.410 | 3 | 79.71 | 75 | 10.23 |
| 7.291 | 2 | 72.31 | 72 | 14.81 |
| 7.354 | 0 | 62.98 | 74 | - |
| 0.2 | 5.620 | 4 | 75.88 | 56 | 9.05 |
| 5.592 | 3 | 69.58 | 54 | 1.81 |
| 5.588 | 2 | 68.34 | 53 | 18.63 |
| 5.601 | 0 | 57.61 | 56 | - |
), ArticleFig(id=1241777724998619277, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Table 3, caption=
Energy data of shale samples under different impact pressure
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲击气压/MPa | 纤维含量/% | 入射能WI/J | 反射能WR/J | 透射能WT/J | 吸收能WS/J | 吸能率 |
|---|
| 0.5 | 4 | 8265.29 | 3171.69 | 2322.15 | 2771.35 | 33.53 |
| 3 | 8100.94 | 2849.53 | 2392.31 | 2859.10 | 35.25 |
| 2 | 8118.17 | 2730.17 | 2510.68 | 2877.31 | 35.44 |
| 0 | 8580.24 | 3071.83 | 2471.95 | 3036.46 | 35.39 |
| 0.4 | 4 | 6557.17 | 2338.13 | 2350.54 | 1868.50 | 28.50 |
| 3 | 6933.25 | 2608.42 | 1866.14 | 2458.69 | 35.46 |
| 2 | 6628.93 | 2232.05 | 1927.49 | 2469.38 | 37.25 |
| 0 | 6447.49 | 1312.09 | 1528.89 | 2328.84 | 36.12 |
| 0.3 | 4 | 4633.53 | 1222.65 | 2324.50 | 1086.38 | 23.45 |
| 3 | 4775.31 | 946.84 | 2538.01 | 1290.46 | 27.02 |
| 2 | 4123.96 | 1109.14 | 1820.11 | 1194.71 | 28.97 |
| 0 | 4158.92 | 1025.58 | 1872.42 | 1260.92 | 30.32 |
| 0.2 | 4 | 2320.96 | 173.98 | 1812.37 | 334.61 | 14.42 |
| 3 | 2370.77 | 189.68 | 1734.07 | 447.03 | 18.86 |
| 2 | 2098.64 | 160.19 | 1506.24 | 432.22 | 20.60 |
| 0 | 1950.09 | 125.62 | 1381.36 | 443.12 | 22.72 |
), ArticleFig(id=1241777725103476883, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=CN, label=表3, caption=
不同冲击气压下试样能量数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 冲击气压/MPa | 纤维含量/% | 入射能WI/J | 反射能WR/J | 透射能WT/J | 吸收能WS/J | 吸能率 |
|---|
| 0.5 | 4 | 8265.29 | 3171.69 | 2322.15 | 2771.35 | 33.53 |
| 3 | 8100.94 | 2849.53 | 2392.31 | 2859.10 | 35.25 |
| 2 | 8118.17 | 2730.17 | 2510.68 | 2877.31 | 35.44 |
| 0 | 8580.24 | 3071.83 | 2471.95 | 3036.46 | 35.39 |
| 0.4 | 4 | 6557.17 | 2338.13 | 2350.54 | 1868.50 | 28.50 |
| 3 | 6933.25 | 2608.42 | 1866.14 | 2458.69 | 35.46 |
| 2 | 6628.93 | 2232.05 | 1927.49 | 2469.38 | 37.25 |
| 0 | 6447.49 | 1312.09 | 1528.89 | 2328.84 | 36.12 |
| 0.3 | 4 | 4633.53 | 1222.65 | 2324.50 | 1086.38 | 23.45 |
| 3 | 4775.31 | 946.84 | 2538.01 | 1290.46 | 27.02 |
| 2 | 4123.96 | 1109.14 | 1820.11 | 1194.71 | 28.97 |
| 0 | 4158.92 | 1025.58 | 1872.42 | 1260.92 | 30.32 |
| 0.2 | 4 | 2320.96 | 173.98 | 1812.37 | 334.61 | 14.42 |
| 3 | 2370.77 | 189.68 | 1734.07 | 447.03 | 18.86 |
| 2 | 2098.64 | 160.19 | 1506.24 | 432.22 | 20.60 |
| 0 | 1950.09 | 125.62 | 1381.36 | 443.12 | 22.72 |
), ArticleFig(id=1241777725233500314, tenantId=1146029695717560320, journalId=1240670690148397066, articleId=1241777703288901655, language=EN, label=Table 4, caption=
SHPB splitting test results of steel fiber reinforced concrete
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| 冲击气压/MPa | 冲击速度/(m·s-1) | 钢纤维含量/% | 动态抗拉强度/MPa | 抗拉强度增长比/% |
|---|
| 0.5 | 8.841 | 4 | 34.92 | 21.42 |
| 8.947 | 3 | 28.76 | 7.39 |
| 8.815 | 2 | 26.78 | 54.44 |
| 8.756 | 0 | 17.34 | - |
| 0.4 | 6.386 | 4 | 31.84 | 12.67 |
| 6.289 | 3 | 28.26 | 6.52 |
| 6.213 | 2 | 26.53 | 65.61 |
| 6.202 | 0 | 16.02 | - |
| 0.3 | 5.345 | 4 | 30.81 | 11.11 |
| 5.283 | 3 | 27.73 | 8.02 |
| 5.194 | 2 | 25.67 | 62.26 |
| 5.225 | 0 | 15.82 | - |
| 0.2 | 4.562 | 4 | 29.78 | 11.54 |
| 4.621 | 3 | 26.70 | 6.76 |
| 4.608 | 2 | 25.01 | 66.29 |
| 4.513 | 0 | 15.04 | - |
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钢纤维混凝土试样SHPB劈裂试验结果
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| 冲击气压/MPa | 冲击速度/(m·s-1) | 钢纤维含量/% | 动态抗拉强度/MPa | 抗拉强度增长比/% |
|---|
| 0.5 | 8.841 | 4 | 34.92 | 21.42 |
| 8.947 | 3 | 28.76 | 7.39 |
| 8.815 | 2 | 26.78 | 54.44 |
| 8.756 | 0 | 17.34 | - |
| 0.4 | 6.386 | 4 | 31.84 | 12.67 |
| 6.289 | 3 | 28.26 | 6.52 |
| 6.213 | 2 | 26.53 | 65.61 |
| 6.202 | 0 | 16.02 | - |
| 0.3 | 5.345 | 4 | 30.81 | 11.11 |
| 5.283 | 3 | 27.73 | 8.02 |
| 5.194 | 2 | 25.67 | 62.26 |
| 5.225 | 0 | 15.82 | - |
| 0.2 | 4.562 | 4 | 29.78 | 11.54 |
| 4.621 | 3 | 26.70 | 6.76 |
| 4.608 | 2 | 25.01 | 66.29 |
| 4.513 | 0 | 15.04 | - |
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