Article(id=1319222766772015330, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20221031, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669651200000, receivedDateStr=2022-11-29, revisedDate=1672588800000, revisedDateStr=2023-01-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456817572, onlineDateStr=2026-10-20, pubDate=1684512000000, pubDateStr=2023-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456817572, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456817572, creator=13701087609, updateTime=1792456817572, updator=13701087609, issue=Issue{id=1319222668956643677, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='5', pageStart='1091', pageEnd='1372', issueExtLink='null', onlineDate='null', pubDate='1684512000000', pubDateStr='2023-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456794251, creator='13701087609', updateTime=1792456976356, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223432827490920, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223432827490921, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1165, endPage=1173, ext={EN=ArticleExt(id=1319222766952370403, articleId=1319222766772015330, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Application of Microorganisms to Improve Hydrophobic Properties of Mortar and Its Mechanisms, columnId=1321891041012200067, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Progress on Cement-Based Materials—Research Articles, runingTitle=null, highlight=null, articleAbstract=

Cement-based materials are highly hydrophilic, and aggressive substances in service environment often penetrate into the cement-based materials through the transmission of water, resulting in corrosion of steel bars, carbonization of concrete, and other hazards. In this paper, two types of microbe cells were applied to improve the hydrophobic properties of the mortar specimens. The results show that the contact angle of the mortar specimens increases to 122.7° and 112.1° after the addition of Starmerella bombicola CCRC22302 and Bacillus sphaericus LMG22257, respectively. The diffusion rate and absorption rate of water on the fracture surface are obviously slowed down. The capillary water absorption is decreased by 39% in the groups added with 2.5% (in mass) Starmerella bombicola by mass of cement. The bacterial cell improves the hydrophobicity through the combined action of the rough structure and its hydrophobicity. However, it is indicated that the flexural and compressive strengths of the mortar specimens are significantly decreased, thus becoming a challenge for the practical application.

, authors=Jianyun WANG1, Yiyun KE1, Jianfeng WEN2, Kai CUI3, Qiang YUAN4, authorsList=Jianyun WANG, Yiyun KE, Jianfeng WEN, Kai CUI, Qiang YUAN, authorCompany=null, correspAuthors=Qiang YUAN, authorNote=

WANG Jianyun (1983-), female, Ph.D., Professor. E-mail:

, correspAuthorsNote=
YUAN Qiang (1981-), male, Ph.D., Professor. E-mail:
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水泥基材料具有高度的亲水性,服役环境中的侵蚀性物质往往通过水的传输渗透到水泥基材料中,从而导致钢筋腐蚀、混凝土碳化等耐久性问题。本工作利用具有疏水性的微生物菌体提高水泥基材料的疏水性能。研究发现熊蜂生假丝酵母和球形芽孢杆菌掺入砂浆后均可提高砂浆的疏水性能,接触角可分别提升至122.7°和112.1°,水滴在砂浆断裂面的扩散速率和吸收速率显著减缓,毛细吸水最高下降39%左右。通过对内部微结构的分析初步得出菌体通过粗糙结构的构造及自身疏水性的共同作用提升了砂浆基体的疏水性能。虽然加入菌体后砂浆的流动性能和疏水性能得到提升,然而力学性能显著下降,这也为后续使用微生物菌体作为水泥基材料疏水剂提出新的挑战。

, authors=王剑云1, 柯懿耘1, 温建峰2, 崔凯3, 元强4, authorsList=王剑云, 柯懿耘, 温建峰, 崔凯, 元强, authorCompany=null, correspAuthors=元强, authorNote=

王剑云(1983—),女,博士,教授。

, correspAuthorsNote=
元强(1981—),男,博士,教授。
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王剑云(1983—),女,博士,教授。

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王剑云(1983—),女,博士,教授。

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微生物菌体对砂浆疏水性能的提升及机理分析
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王剑云 1 , 柯懿耘 1 , 温建峰 2 , 崔凯 3 , 元强 4
硅酸盐学报 | 水泥基材料研究新进展—研究论文 2023,51(5): 1165-1173
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硅酸盐学报 |水泥基材料研究新进展—研究论文 2023 , 51 (5) : 1165 -1173
微生物菌体对砂浆疏水性能的提升及机理分析
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王剑云1 , 柯懿耘1, 温建峰2, 崔凯3, 元强4
作者信息
  • 1.西安交通大学人居环境与建筑工程学院,西安 710049
  • 2.安徽中铁工程材料科技有限公司,合肥 230041
  • 3.西安交通大学化学工程与技术学院,西安 710049
  • 4.中南大学土木工程学院,长沙 410083
通讯作者:
元强(1981—),男,博士,教授。
作者简介:

王剑云(1983—),女,博士,教授。

Application of Microorganisms to Improve Hydrophobic Properties of Mortar and Its Mechanisms
Jianyun WANG1 , Yiyun KE1, Jianfeng WEN2, Kai CUI3, Qiang YUAN4
Affiliations
  • 1.School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  • 2.Anhui China Railway Engineering Materials Technology Co.Ltd, Hefei 230041, China
  • 3.School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
  • 4.School of Civil Engineering, Central South University, Changsha 410083, China
  • Corresponding Author:
    YUAN Qiang (1981-), male, Ph.D., Professor. E-mail:

    WANG Jianyun (1983-), female, Ph.D., Professor. E-mail:

出版时间: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20221031
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水泥基材料具有高度的亲水性,服役环境中的侵蚀性物质往往通过水的传输渗透到水泥基材料中,从而导致钢筋腐蚀、混凝土碳化等耐久性问题。本工作利用具有疏水性的微生物菌体提高水泥基材料的疏水性能。研究发现熊蜂生假丝酵母和球形芽孢杆菌掺入砂浆后均可提高砂浆的疏水性能,接触角可分别提升至122.7°和112.1°,水滴在砂浆断裂面的扩散速率和吸收速率显著减缓,毛细吸水最高下降39%左右。通过对内部微结构的分析初步得出菌体通过粗糙结构的构造及自身疏水性的共同作用提升了砂浆基体的疏水性能。虽然加入菌体后砂浆的流动性能和疏水性能得到提升,然而力学性能显著下降,这也为后续使用微生物菌体作为水泥基材料疏水剂提出新的挑战。

菌体  /  接触角  /  毛细吸水率  /  流动度  /  孔结构

Cement-based materials are highly hydrophilic, and aggressive substances in service environment often penetrate into the cement-based materials through the transmission of water, resulting in corrosion of steel bars, carbonization of concrete, and other hazards. In this paper, two types of microbe cells were applied to improve the hydrophobic properties of the mortar specimens. The results show that the contact angle of the mortar specimens increases to 122.7° and 112.1° after the addition of Starmerella bombicola CCRC22302 and Bacillus sphaericus LMG22257, respectively. The diffusion rate and absorption rate of water on the fracture surface are obviously slowed down. The capillary water absorption is decreased by 39% in the groups added with 2.5% (in mass) Starmerella bombicola by mass of cement. The bacterial cell improves the hydrophobicity through the combined action of the rough structure and its hydrophobicity. However, it is indicated that the flexural and compressive strengths of the mortar specimens are significantly decreased, thus becoming a challenge for the practical application.

microorganisms pellets  /  contact angle  /  capillary water absorption  /  flowability  /  pore properties
王剑云, 柯懿耘, 温建峰, 崔凯, 元强. 微生物菌体对砂浆疏水性能的提升及机理分析. 硅酸盐学报, 2023 , 51 (5) : 1165 -1173 . DOI: 10.14062/j.issn.0454-5648.20221031
Jianyun WANG, Yiyun KE, Jianfeng WEN, Kai CUI, Qiang YUAN. Application of Microorganisms to Improve Hydrophobic Properties of Mortar and Its Mechanisms[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1165 -1173 . DOI: 10.14062/j.issn.0454-5648.20221031
  • 国家自然科学基金青年基金(51908459)
  • 陕西省自然科学基金面上基金(2020JM-040)
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2023年第51卷第5期
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doi: 10.14062/j.issn.0454-5648.20221031
  • 接收时间:2022-11-29
  • 首发时间:2026-10-20
  • 出版时间:2023-05-20
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  • 收稿日期:2022-11-29
  • 修回日期:2023-01-02
基金
国家自然科学基金青年基金(51908459)
陕西省自然科学基金面上基金(2020JM-040)
作者信息
    1.西安交通大学人居环境与建筑工程学院,西安 710049
    2.安徽中铁工程材料科技有限公司,合肥 230041
    3.西安交通大学化学工程与技术学院,西安 710049
    4.中南大学土木工程学院,长沙 410083

通讯作者:

元强(1981—),男,博士,教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20221031
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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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