Article(id=1319222776943202646, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220808, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1664467200000, receivedDateStr=2022-09-30, revisedDate=1665676800000, revisedDateStr=2022-10-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456819996, onlineDateStr=2026-10-20, pubDate=1684512000000, pubDateStr=2023-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456819996, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456819996, creator=13701087609, updateTime=1792456819996, 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=1174, endPage=1180, ext={EN=ArticleExt(id=1319222778612535639, articleId=1319222776943202646, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Mechanism of Influence of Low Atmosphere Pressure on Pore Structure of Air-Entraining Mortar in Plateau Region, columnId=1321891041012200067, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Progress on Cement-Based Materials—Research Articles, runingTitle=null, highlight=null, articleAbstract=

The low atmosphere-pressure in plateau regions will affect the bubble stability, thus affecting the air-void structure and frost resistance of air-entrained concrete. The effect of atmosphere pressure on the pore structure of freshly mixed air-entraining mortar was investigated via constructing a self-built low atmosphere pressure mixing device. The results show that the decrease of atmosphere pressure can decrease the initial air content of air-entrained mortar, increase the bubble spacing coefficient as well as air content loss through time, and deteriorate the pore structure. The mechanism of low atmosphere pressure effect on the pore structure of air-entrained mortar is mainly since the reduced atmosphere pressure accelerates the Ostwald ripening process of the bubble system, which makes the small bubbles smaller until they disappear and the large bubbles larger until they break, and the average pore size of the bubble system increases, thus accelerating the destabilization rate of the bubble system. These findings have important implications for understanding the mechanism of bubble destabilization under a low atmosphere pressure and developing the corresponding bubble stabilization techniques.

, authors=Zhenxing DU1, Wei SHE1, Wenqiang ZUO1, Penggang WANG2, authorsList=Zhenxing DU, Wei SHE, Wenqiang ZUO, Penggang WANG, authorCompany=null, correspAuthors=Wei SHE, authorNote=

DU Zhenxing (1991-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
SHE Wei (1986-), male, Ph.D., Professor. E-mail:
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高原低气压环境会影响气泡稳定性,进而影响引气混凝土的孔结构和抗冻性。通过自建低气压搅拌装置,研究了气压对新拌引气砂浆气孔结构的影响。结果表明:气压降低会导致引气砂浆初始含气量降低,气泡间距系数增大,含气量经时损失增大,孔结构劣化明显。低气压环境下引气砂浆孔结构劣化的主要机理是由于低气压加速了气泡体系的Ostwald熟化过程,使得小气泡越来越小直至消失,大气泡越来越大直至破裂,气泡体系平均孔径增加,加快了气泡体系的失稳速度。该研究结果对于理解低气压环境下气泡失稳机理和开发相应的稳泡技术具有指导意义。

, authors=杜振兴1, 佘伟1, 左文强1, 王鹏刚2, authorsList=杜振兴, 佘伟, 左文强, 王鹏刚, authorCompany=null, correspAuthors=佘伟, authorNote=

杜振兴(1991—),男,博士研究生。

, correspAuthorsNote=
佘伟(1986—),男,博士,教授。
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DU Zhenxing (1991-), male, Doctoral candidate. E-mail:

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高原低气压环境对引气砂浆孔结构的影响机理
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杜振兴 1 , 佘伟 1 , 左文强 1 , 王鹏刚 2
硅酸盐学报 | 水泥基材料研究新进展—研究论文 2023,51(5): 1174-1180
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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) : 1174 -1180
高原低气压环境对引气砂浆孔结构的影响机理
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杜振兴1 , 佘伟1 , 左文强1, 王鹏刚2
作者信息
  • 1.东南大学材料科学与工程学院,江苏省土木工程材料重点实验室,南京 211189
  • 2.青岛理工大学土木工程学院,山东 青岛 266033
通讯作者:
佘伟(1986—),男,博士,教授。
作者简介:

杜振兴(1991—),男,博士研究生。

Mechanism of Influence of Low Atmosphere Pressure on Pore Structure of Air-Entraining Mortar in Plateau Region
Zhenxing DU1 , Wei SHE1 , Wenqiang ZUO1, Penggang WANG2
Affiliations
  • 1.Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2.Department of Civil Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, China
  • Corresponding Author:
    SHE Wei (1986-), male, Ph.D., Professor. E-mail:

    DU Zhenxing (1991-), male, Doctoral candidate. E-mail:

出版时间: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20220808
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高原低气压环境会影响气泡稳定性,进而影响引气混凝土的孔结构和抗冻性。通过自建低气压搅拌装置,研究了气压对新拌引气砂浆气孔结构的影响。结果表明:气压降低会导致引气砂浆初始含气量降低,气泡间距系数增大,含气量经时损失增大,孔结构劣化明显。低气压环境下引气砂浆孔结构劣化的主要机理是由于低气压加速了气泡体系的Ostwald熟化过程,使得小气泡越来越小直至消失,大气泡越来越大直至破裂,气泡体系平均孔径增加,加快了气泡体系的失稳速度。该研究结果对于理解低气压环境下气泡失稳机理和开发相应的稳泡技术具有指导意义。

低气压  /  引气砂浆  /  气泡稳定性  /  气孔结构

The low atmosphere-pressure in plateau regions will affect the bubble stability, thus affecting the air-void structure and frost resistance of air-entrained concrete. The effect of atmosphere pressure on the pore structure of freshly mixed air-entraining mortar was investigated via constructing a self-built low atmosphere pressure mixing device. The results show that the decrease of atmosphere pressure can decrease the initial air content of air-entrained mortar, increase the bubble spacing coefficient as well as air content loss through time, and deteriorate the pore structure. The mechanism of low atmosphere pressure effect on the pore structure of air-entrained mortar is mainly since the reduced atmosphere pressure accelerates the Ostwald ripening process of the bubble system, which makes the small bubbles smaller until they disappear and the large bubbles larger until they break, and the average pore size of the bubble system increases, thus accelerating the destabilization rate of the bubble system. These findings have important implications for understanding the mechanism of bubble destabilization under a low atmosphere pressure and developing the corresponding bubble stabilization techniques.

low atmosphere pressure  /  air-entraining mortar  /  bubble stability  /  air-void structure
杜振兴, 佘伟, 左文强, 王鹏刚. 高原低气压环境对引气砂浆孔结构的影响机理. 硅酸盐学报, 2023 , 51 (5) : 1174 -1180 . DOI: 10.14062/j.issn.0454-5648.20220808
Zhenxing DU, Wei SHE, Wenqiang ZUO, Penggang WANG. Mechanism of Influence of Low Atmosphere Pressure on Pore Structure of Air-Entraining Mortar in Plateau Region[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1174 -1180 . DOI: 10.14062/j.issn.0454-5648.20220808
  • 国家自然科学基金(51890904; 52278247)
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2023年第51卷第5期
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doi: 10.14062/j.issn.0454-5648.20220808
  • 接收时间:2022-09-30
  • 首发时间:2026-10-20
  • 出版时间:2023-05-20
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  • 收稿日期:2022-09-30
  • 修回日期:2022-10-14
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国家自然科学基金(51890904; 52278247)
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    1.东南大学材料科学与工程学院,江苏省土木工程材料重点实验室,南京 211189
    2.青岛理工大学土木工程学院,山东 青岛 266033

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佘伟(1986—),男,博士,教授。
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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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