Article(id=1311351202646950070, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2026.20250297, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740153600000, receivedDateStr=2025-02-22, revisedDate=1743868800000, revisedDateStr=2025-04-06, acceptedDate=1744214400000, acceptedDateStr=2025-04-10, onlineDate=1790580090437, onlineDateStr=2026-09-28, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790580090437, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790580090437, creator=13701087609, updateTime=1790580090437, updator=13701087609, issue=Issue{id=1311351152067830064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2026', volume='44', issue='1', pageStart='1', pageEnd='246', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790580078378, creator='13701087609', updateTime=1790588459421, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386304772927717, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386304772927718, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=114, endPage=118, ext={EN=ArticleExt(id=1311351202810527927, articleId=1311351202646950070, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Study on Pore Characteristics of Permeable Concrete Using CT Scanning Technology, columnId=null, journalTitle=Water Resources and Power, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to deeply study the micromechanism of polypropylene steel-like fiber permeable concrete, the CT scanning technology was used to scan the specimens, and a visualization model of the pore structure was established through three-dimensional digital reconstruction technology. Based on the image analysis method, a comparative study was carried out on the morphological evolution characteristics of the internal pore system of the material before and after fiber modification. The results show that the addition of polypropylene steel-like fibers can effectively improve the strength of the specimens, but it will inhibit the water-permeability performance of the specimens. The porosity of each layer of the specimens is stable in the range of 15% and 20%, and the connected pores account for more than 97% of the total pores. In the specimens without added fibers, the number of large pores is small, but their volume proportion is large. After adding fibers, some large pores are transformed into medium-sized pores and the connectivity between pores is inhibited, thus changing the pore structure.

, authors=Li-na XU1a, Chao WEI1b, Xu DING1b, Zhan-fang HUANG2, Ning LIU1b, authorsList=Li-na XU, Chao WEI, Xu DING, Zhan-fang HUANG, Ning LIU, authorCompany=null, correspAuthors=Zhan-fang HUANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1311351203225764024, articleId=1311351202646950070, tenantId=1146029695717560320, journalId=1205116964453384197, language=CN, title=基于CT扫描技术的透水混凝土孔隙特性研究, columnId=1207271182139736888, journalTitle=水电能源科学, columnName=水工结构、水工材料与水利工程施工, runingTitle=null, highlight=null, articleAbstract=

为深入研究聚丙烯仿钢纤维透水混凝土的微观机理,采用CT扫描技术对试件进行扫描,通过三维数字重构技术建立了孔隙结构的可视化模型。基于图像分析方法对比研究了纤维改性前后材料内部孔隙系统的形态演变特征。结果表明,聚丙烯仿钢纤维的加入可有效提高试件的强度,但会抑制试块的透水性能,试块各层面孔隙率稳定在15%~20%之间,且连通孔隙占总孔隙的97%以上;未添加纤维的试块中大孔数量较少,但其体积占比较大;加入纤维后,部分大孔转化为中孔并抑制孔隙间的连通,从而改变孔隙结构。

, authors=徐丽娜1a, 魏超1b, 丁旭1b, 黄占芳2, 刘宁1b, authorsList=徐丽娜, 魏超, 丁旭, 黄占芳, 刘宁, authorCompany=null, correspAuthors=黄占芳, authorNote=

徐丽娜(1986-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:

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黄占芳(1978-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:
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徐丽娜(1986-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:

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徐丽娜(1986-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:

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基于CT扫描技术的透水混凝土孔隙特性研究
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徐丽娜 1a , 魏超 1b , 丁旭 1b , 黄占芳 2 , 刘宁 1b
水电能源科学 | 水工结构、水工材料与水利工程施工 2026,44(1): 114-118
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水电能源科学 |水工结构、水工材料与水利工程施工 2026 , 44 (1) : 114 -118
基于CT扫描技术的透水混凝土孔隙特性研究
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徐丽娜1a , 魏超1b, 丁旭1b, 黄占芳2 , 刘宁1b
作者信息
  • 1a.吉林建筑大学 交通科学与工程学院,吉林 长春 130118
  • 1b.吉林建筑大学 土木工程学院,吉林 长春 130118
  • 2.山东理工大学建筑工程与空间信息学院,山东 淄博 255049
通讯作者:
黄占芳(1978-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:
作者简介:

徐丽娜(1986-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:

Study on Pore Characteristics of Permeable Concrete Using CT Scanning Technology
Li-na XU1a , Chao WEI1b, Xu DING1b, Zhan-fang HUANG2 , Ning LIU1b
Affiliations
  • 1a.School of Transportation Science and Engineering, Jilin Jianzhu University, Changchun 130118, China
  • 1b.School of Civil Engineering, Jilin Jianzhu University, Changchun 130118, China
  • 2.School of Architectural Engineering and Spatial Information, Shandong University of Technology, Zibo 255049, China
出版时间: 2026-01-25 doi: 10.20040/j.cnki.1000-7709.2026.20250297
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为深入研究聚丙烯仿钢纤维透水混凝土的微观机理,采用CT扫描技术对试件进行扫描,通过三维数字重构技术建立了孔隙结构的可视化模型。基于图像分析方法对比研究了纤维改性前后材料内部孔隙系统的形态演变特征。结果表明,聚丙烯仿钢纤维的加入可有效提高试件的强度,但会抑制试块的透水性能,试块各层面孔隙率稳定在15%~20%之间,且连通孔隙占总孔隙的97%以上;未添加纤维的试块中大孔数量较少,但其体积占比较大;加入纤维后,部分大孔转化为中孔并抑制孔隙间的连通,从而改变孔隙结构。

聚丙烯仿钢纤维透水混凝土  /  CT扫描  /  孔隙结构  /  透水性能

In order to deeply study the micromechanism of polypropylene steel-like fiber permeable concrete, the CT scanning technology was used to scan the specimens, and a visualization model of the pore structure was established through three-dimensional digital reconstruction technology. Based on the image analysis method, a comparative study was carried out on the morphological evolution characteristics of the internal pore system of the material before and after fiber modification. The results show that the addition of polypropylene steel-like fibers can effectively improve the strength of the specimens, but it will inhibit the water-permeability performance of the specimens. The porosity of each layer of the specimens is stable in the range of 15% and 20%, and the connected pores account for more than 97% of the total pores. In the specimens without added fibers, the number of large pores is small, but their volume proportion is large. After adding fibers, some large pores are transformed into medium-sized pores and the connectivity between pores is inhibited, thus changing the pore structure.

polypropylene steel-like fiber permeable concrete  /  CT scanning  /  pore structure  /  permeability performance
徐丽娜, 魏超, 丁旭, 黄占芳, 刘宁. 基于CT扫描技术的透水混凝土孔隙特性研究. 水电能源科学, 2026 , 44 (1) : 114 -118 . DOI: 10.20040/j.cnki.1000-7709.2026.20250297
Li-na XU, Chao WEI, Xu DING, Zhan-fang HUANG, Ning LIU. Study on Pore Characteristics of Permeable Concrete Using CT Scanning Technology[J]. Water Resources and Power, 2026 , 44 (1) : 114 -118 . DOI: 10.20040/j.cnki.1000-7709.2026.20250297
  • 吉林省科技厅重点研发项目(20220203063SF)
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2026年第44卷第1期
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doi: 10.20040/j.cnki.1000-7709.2026.20250297
  • 接收时间:2025-02-22
  • 首发时间:2026-09-28
  • 出版时间:2026-01-25
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  • 收稿日期:2025-02-22
  • 修回日期:2025-04-06
  • 录用日期:2025-04-10
基金
吉林省科技厅重点研发项目(20220203063SF)
作者信息
    1a.吉林建筑大学 交通科学与工程学院,吉林 长春 130118
    1b.吉林建筑大学 土木工程学院,吉林 长春 130118
    2.山东理工大学建筑工程与空间信息学院,山东 淄博 255049

通讯作者:

黄占芳(1978-),女,博士、副教授,研究方向为岩土与城市地下工程,E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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