混杂纤维活性粉末混凝土与普通混凝土界面黏结性能研究

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发布时间：2020-01-06 00:00:00

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混杂纤维活性粉末混凝土与普通混凝土界面黏结性能研究

Study on the Interfacial Bonding Performance of Hybrid Fiber Reactive Powder Concrete and Ordinary Concrete

2022年第3期

混杂纤维；活性粉末混凝土；普通混凝土；劈裂抗拉强度；界面处理方式；界面粗糙度

Hybrid fiber; Reactive powder concrete; Normal concrete; Splitting tensile strength; Interface treatment method; Interface roughness

2022年第3期

10.19761/j.1000-4637.2022.03.061.05

国家自然科学基金项目（51878395）；山东省高等学校“青创人才引育计划”支持项目。

王欣1,2，吴楠1，刘国安1，陈国斌3，张国强3，岳庆霞1

1.山东建筑大学土木工程学院，山东济南 250101；2.山东建筑大学建筑结构加固改造与地下空间工程教育部重点实验室，山东济南 250101；3.山东建筑大学工程鉴定加固研究院有限公司，山东济南250014

王欣1,2，吴楠1，刘国安1，陈国斌3，张国强3，岳庆霞1

王欣,吴楠,刘国安,等.混杂纤维活性粉末混凝土与普通混凝土界面黏结性能研究[J].混凝土与水泥制品,2022(3):61-65.

WANG Xin, WU Nan, LIU Guo-an,et al.Study on the Interfacial Bonding Performance of Hybrid Fiber Reactive Powder Concrete and Ordinary Concrete[J].China Concrete and Cement Products,2022(3):61-65.

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摘要：通过劈裂抗拉强度试验研究了普通混凝土（NC）强度等级和界面处理方式对混杂纤维活性粉末混凝土（HFRPC）与NC界面黏结性能的影响。结果表明：与凿毛、露骨料、切槽界面处理方式相比，植筋HFRPC-NC试件的劈裂抗拉强度最高，为NC试件破坏强度的1.15~1.22倍，且破坏模式为延性破坏；对于界面粗糙度不同的凿毛、露骨料、切槽三种界面处理方式，HFRPC-NC试件的劈裂抗拉强度可达NC试件破坏强度的70%~92%，且劈裂抗拉强度随界面粗糙度的增大而增大；HFRPC-NC试件的劈裂抗拉强度随NC强度等级的提高而增大。 Abstract: Through the splitting tensile strength tests, the effects of strength grade of ordinary concrete(NC) and interface treatment methods on the interface bonding performance of hybrid fiber reactive powder concrete (HFRPC) and NC were studied. The results show that compared with the interface treatment methods of roughing, exposing aggregated and cutting groove, the splitting tensile strength of planting reinforcement HFRPC-NC specimen is the highest, which is 1.15~1.22 times the failure strength of NC specimen, and the failure mode is ductile failure. For the three interface treatment methods of roughing, exposing aggregated and cutting groove with different roughness, the splitting tensile strength of HFRPC-NC specimen can reach 70%~92% of the failure strength of NC specimen, and the splitting tensile strength increases with the increase of the interface roughness. The splitting tensile strength of HFRPC-NC specimens increases with the increase of NC strength grade.

英文名 : Study on the Interfacial Bonding Performance of Hybrid Fiber Reactive Powder Concrete and Ordinary Concrete

刊期 : 2022年第3期

关键词 : 混杂纤维；活性粉末混凝土；普通混凝土；劈裂抗拉强度；界面处理方式；界面粗糙度

Key words : Hybrid fiber; Reactive powder concrete; Normal concrete; Splitting tensile strength; Interface treatment method; Interface roughness

刊期 : 2022年第3期

DOI : 10.19761/j.1000-4637.2022.03.061.05

文章编号 :

基金项目 : 国家自然科学基金项目（51878395）；山东省高等学校“青创人才引育计划”支持项目。

作者 : 王欣1,2，吴楠1，刘国安1，陈国斌3，张国强3，岳庆霞1

单位 : 1.山东建筑大学土木工程学院，山东济南 250101；2.山东建筑大学建筑结构加固改造与地下空间工程教育部重点实验室，山东济南 250101；3.山东建筑大学工程鉴定加固研究院有限公司，山东济南250014

王欣1,2，吴楠1，刘国安1，陈国斌3，张国强3，岳庆霞1

王欣,吴楠,刘国安,等.混杂纤维活性粉末混凝土与普通混凝土界面黏结性能研究[J].混凝土与水泥制品,2022(3):61-65.

WANG Xin, WU Nan, LIU Guo-an,et al.Study on the Interfacial Bonding Performance of Hybrid Fiber Reactive Powder Concrete and Ordinary Concrete[J].China Concrete and Cement Products,2022(3):61-65.

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摘要

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结论

参考文献

引用本文

Abstract: Through the splitting tensile strength tests, the effects of strength grade of ordinary concrete(NC) and interface treatment methods on the interface bonding performance of hybrid fiber reactive powder concrete (HFRPC) and NC were studied. The results show that compared with the interface treatment methods of roughing, exposing aggregated and cutting groove, the splitting tensile strength of planting reinforcement HFRPC-NC specimen is the highest, which is 1.15~1.22 times the failure strength of NC specimen, and the failure mode is ductile failure. For the three interface treatment methods of roughing, exposing aggregated and cutting groove with different roughness, the splitting tensile strength of HFRPC-NC specimen can reach 70%~92% of the failure strength of NC specimen, and the splitting tensile strength increases with the increase of the interface roughness. The splitting tensile strength of HFRPC-NC specimens increases with the increase of NC strength grade.

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头部文案

混杂纤维活性粉末混凝土与普通混凝土界面黏结性能研究

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