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Article(id=1322636303989068222, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200187, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1584633600000, receivedDateStr=2020-03-20, revisedDate=1588521600000, revisedDateStr=2020-05-04, acceptedDate=null, acceptedDateStr=null, onlineDate=1793270668265, onlineDateStr=2026-10-29, pubDate=1605801600000, pubDateStr=2020-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793270668265, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793270668265, creator=13701087609, updateTime=1793270668265, updator=13701087609, issue=Issue{id=1322636274364698818, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='11', pageStart='1689', pageEnd='1864', issueExtLink='null', onlineDate='null', pubDate='1605801600000', pubDateStr='2020-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793270661202, creator='13701087609', updateTime=1793277186220, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663642319930111, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663642319930112, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636274364698818, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1781, endPage=1790, ext={EN=ArticleExt(id=1322636305784230335, articleId=1322636303989068222, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Air-void Structure Characteristics, Water Penetration Resistance and Freeze-thaw Resistance of Hardened Shotcrete, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Air-void structure characteristics, water penetration resistance and freeze-thaw resistance of hardened shotcrete with different spraying methods were evaluated. Also, the micro-characteristics of freeze-thaw damage zone in shotcrete were analyzed. The results show that circle-like and polygon-like air bubbles with the diameter of < 40 μm in shotcrete prepared with wet-mix spraying increase, which behave less independently with adjacent air bubbles, thus leading to a decreased later mechanical strength. However, shotcrete prepared with dry-mix spraying has poor mechanical strength and water penetration resistance, compared to that with wet-mix spraying, due to its high proportion of air bubbles with the diameter of > 280 μm. For 150-175 freeze-thaw times in a quick freezing method, the compressive strength loss ratio of shotcrete reaches nearly 40%-48%, which is worse than that of ordinary concrete with the similar water-cement ratio, but better than that with the similar 28-d compressive strength. The less independent air bubbles in wet-mix shotcrete connect each other due to the hydrostatic pressure under a freezing heave effect, thus leading to the microstructure damage in shotcrete with a poor freeze-thaw resistance.

, authors=Luping ZENG1, Shuang ZHAO1, Wei WANG1, Min QIAO1, Song MU1, Qianping RAN2, Jinxiang HONG1, Min HU1, authorsList=Luping ZENG, Shuang ZHAO, Wei WANG, Min QIAO, Song MU, Qianping RAN, Jinxiang HONG, Min HU, authorCompany=null, correspAuthors=Wei WANG, authorNote=

ZENG Luping (1993-), male, Master, Assistant Engineer. E-mail:

, correspAuthorsNote=
WANG Wei (1987-), male, Master, Engineer. E-mail:
, 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=1322636306316906944, articleId=1322636303989068222, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=硬化喷射混凝土的气泡结构特性、抗水渗透及抗冻性能, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

对比研究不同喷射工艺下的硬化喷射混凝土气泡结构特性、抗水渗透及抗冻性能，并对冻融破坏区的微观特性进行了探究。结果表明：湿法喷射后混凝土的内部直径40 μm以下类圆形及不规则多边形气泡显著增多，彼此并不完全独立，造成混凝土后期力学强度下降，而干法喷射后混凝土内部直径280 μm以上大气泡占比较高，早后期力学强度及抗水渗透性能均低于湿喷体系。快速冻融试验中，喷射混凝土历经冻融极限150~175次，抗压强度损失率达40%~48%，抗冻性能要弱于同水灰比无喷射混凝土但明显优于同28 d强度无喷射体系。受冻胀效应形成的静水压作用，硬化湿法喷射混凝土内部并不独立的气泡相互连通形成冻胀裂纹，造成了喷射混凝土微观结构破坏，从而削弱了其抗冻性能。

, authors=曾鲁平1, 赵爽1, 王伟1, 乔敏1, 穆松1, 冉千平2, 洪锦祥1, 胡敏1, authorsList=曾鲁平, 赵爽, 王伟, 乔敏, 穆松, 冉千平, 洪锦祥, 胡敏, authorCompany=null, correspAuthors=王伟, authorNote=

曾鲁平（1993—），男，硕士，助理工程师。

, correspAuthorsNote=
王伟（1987—），男，硕士，工程师。
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ZENG Luping (1993-), male, Master, Assistant Engineer. E-mail:

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硬化喷射混凝土的气泡结构特性、抗水渗透及抗冻性能
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曾鲁平 1 , 赵爽 1 , 王伟 1 , 乔敏 1 , 穆松 1 , 冉千平 2 , 洪锦祥 1 , 胡敏 1
硅酸盐学报 | 研究论文 2020,48(11): 1781-1790
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硅酸盐学报 |研究论文 2020 , 48 (11) : 1781 -1790
硬化喷射混凝土的气泡结构特性、抗水渗透及抗冻性能
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曾鲁平1 , 赵爽1, 王伟1 , 乔敏1, 穆松1, 冉千平2, 洪锦祥1, 胡敏1
作者信息
  • 1．高性能土木工程材料国家重点实验室，江苏苏博特新材料股份有限公司，南京 211103
  • 2．东南大学材料科学与工程学院，南京 211189
通讯作者:
王伟（1987—），男，硕士，工程师。
作者简介:

曾鲁平（1993—），男，硕士，助理工程师。

Air-void Structure Characteristics, Water Penetration Resistance and Freeze-thaw Resistance of Hardened Shotcrete
Luping ZENG1 , Shuang ZHAO1, Wei WANG1 , Min QIAO1, Song MU1, Qianping RAN2, Jinxiang HONG1, Min HU1
Affiliations
  • 1.State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Sobute New Materials Co., Ltd., Nanjing 211103, China
  • 2.School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
    • Corresponding Author:
    WANG Wei (1987-), male, Master, Engineer. E-mail:

    ZENG Luping (1993-), male, Master, Assistant Engineer. E-mail:

出版时间: 2020-11-20 doi: 10.14062/j.issn.0454-5648.20200187
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对比研究不同喷射工艺下的硬化喷射混凝土气泡结构特性、抗水渗透及抗冻性能，并对冻融破坏区的微观特性进行了探究。结果表明：湿法喷射后混凝土的内部直径40 μm以下类圆形及不规则多边形气泡显著增多，彼此并不完全独立，造成混凝土后期力学强度下降，而干法喷射后混凝土内部直径280 μm以上大气泡占比较高，早后期力学强度及抗水渗透性能均低于湿喷体系。快速冻融试验中，喷射混凝土历经冻融极限150~175次，抗压强度损失率达40%~48%，抗冻性能要弱于同水灰比无喷射混凝土但明显优于同28 d强度无喷射体系。受冻胀效应形成的静水压作用，硬化湿法喷射混凝土内部并不独立的气泡相互连通形成冻胀裂纹，造成了喷射混凝土微观结构破坏，从而削弱了其抗冻性能。

喷射成型工艺  /  气泡结构特性  /  抗水渗性能  /  抗冻性能

Air-void structure characteristics, water penetration resistance and freeze-thaw resistance of hardened shotcrete with different spraying methods were evaluated. Also, the micro-characteristics of freeze-thaw damage zone in shotcrete were analyzed. The results show that circle-like and polygon-like air bubbles with the diameter of < 40 μm in shotcrete prepared with wet-mix spraying increase, which behave less independently with adjacent air bubbles, thus leading to a decreased later mechanical strength. However, shotcrete prepared with dry-mix spraying has poor mechanical strength and water penetration resistance, compared to that with wet-mix spraying, due to its high proportion of air bubbles with the diameter of > 280 μm. For 150-175 freeze-thaw times in a quick freezing method, the compressive strength loss ratio of shotcrete reaches nearly 40%-48%, which is worse than that of ordinary concrete with the similar water-cement ratio, but better than that with the similar 28-d compressive strength. The less independent air bubbles in wet-mix shotcrete connect each other due to the hydrostatic pressure under a freezing heave effect, thus leading to the microstructure damage in shotcrete with a poor freeze-thaw resistance.

sprayed molding operation  /  air-void structure characteristics  /  water penetration resistance  /  freeze-thaw resistance
曾鲁平, 赵爽, 王伟, 乔敏, 穆松, 冉千平, 洪锦祥, 胡敏. 硬化喷射混凝土的气泡结构特性、抗水渗透及抗冻性能. 硅酸盐学报, 2020 , 48 (11) : 1781 -1790 . DOI: 10.14062/j.issn.0454-5648.20200187
Luping ZENG, Shuang ZHAO, Wei WANG, Min QIAO, Song MU, Qianping RAN, Jinxiang HONG, Min HU. Air-void Structure Characteristics, Water Penetration Resistance and Freeze-thaw Resistance of Hardened Shotcrete[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (11) : 1781 -1790 . DOI: 10.14062/j.issn.0454-5648.20200187
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  • 国家重点研发计划(2017YFB0310100)
  • 国家自然科学基金杰出青年基金(51825203)
  • 江苏省第十五批六大人才高峰项目(JZ-058)
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2020年第48卷第11期
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doi: 10.14062/j.issn.0454-5648.20200187
  • 接收时间：2020-03-20
  • 首发时间：2026-10-29
  • 出版时间：2020-11-20
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  • 收稿日期：2020-03-20
  • 修回日期：2020-05-04
基金
国家重点研发计划(2017YFB0310100)
国家自然科学基金杰出青年基金(51825203)
江苏省第十五批六大人才高峰项目(JZ-058)
作者信息
    1．高性能土木工程材料国家重点实验室，江苏苏博特新材料股份有限公司，南京 211103
    2．东南大学材料科学与工程学院，南京 211189

通讯作者:

王伟（1987—），男，硕士，工程师。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200187
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2种不同金属材料的力学参数
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Percentage of
total species (%)		 属
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Number of
species		 占总种数比例
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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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