Experimental Research on Sulfate Attack Resistance of Steel Fiber Reinforced Fly Ash Concrete

机译：钢纤维粉煤灰混凝土抗硫酸盐侵蚀的试验研究。

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Sulfate attack is one of the important factors affecting the durability of concrete.An experimental work had been carried out to investigate the behavior of steel fiber reinforced fly ash concrete (SFRFAC) exposed to sulfate attack in comparison with the plain concrete (PC),fly ash concrete (FAC) and steel fiber reinforced concrete (SFRC).The sulfate resistance of the SFRFAC,PC,FAC and SFRC under sodium sulfate attack of different concentrations were evaluated by measuring the compressive strength and flexural strength.The results show that the sulfate resistance of SFRFAC is higher than those of PC,FAC,and SFRC.With the increase of sodium solution concentration the compressive strength and flexural strength of SFRFAC,PC,FAC and SFRC decrease first,and then increase.

机译：硫酸盐侵蚀是影响混凝土耐久性的重要因素之一。与普通混凝土（PC）相比，进行了一项实验工作以研究钢纤维增强粉煤灰混凝土（SFRFAC）遭受硫酸盐侵蚀的性能。通过测量抗压强度和抗弯强度来评估SFRFAC，PC，FAC和SFRC在不同浓度的硫酸钠侵蚀下的抗硫酸盐性。结果表明，硫酸盐SFRFAC的抗压强度高于PC，FAC和SFRC。随着钠溶液浓度的增加，SFRFAC，PC，FAC和SFRC的抗压强度和抗弯强度先降低，然后升高。

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来源
《Innovation in civil engineering, architecture and sustainable infrastructure》|2012年|51-56|共6页
会议地点 Zhengzhou(CN)
作者
Lei Cui; Xiaodan Ge; Qinyong Ma;
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作者单位

Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China;

College of Civil Engineering and Architecture, Anhui University of Science and Technology,Huainan 232001, China;

College of Civil Engineering and Architecture, Anhui University of Science and Technology,Huainan 232001, China;

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正文语种 eng
中图分类土力学、地基基础工程;
关键词
SFRFAC; compressive strength; flexural strength; sulfate attack; concrete;

机译：SFRFAC；抗压强度;抗弯强度;硫酸盐侵蚀；具体;

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1. Resistance of fiber-reinforced fly ash-steel slag based geopolymer mortar to sulfate attack and drying-wetting cycles [J] . Guo Xiaolu, Xiong Guiyan Construction and Building Materials . 2021,第Feba1期

机译：基于纤维增强粉煤灰 - 钢渣的耐硫酸盐发作和干燥润湿循环的抗性
2. Experimental research on durability of high-performance synthetic fibers reinforced concrete: Resistance to sulfate attack and freezing-thawing [J] . Meng Chaomei, Li Wenzhe, Cai Liangcai, Construction and Building Materials . 2020,第Pta1期

机译：高性能合成纤维钢筋混凝土耐久性的实验研究：耐硫酸盐攻击与冻融
3. Relation between Strength Properties (Flexural and Compressive) and Abrasion Resistance of Fiber (Steel and Polypropylene)-Reinforced Fly Ash Concrete [J] . Cengiz Duran Atis, Okan Karahan, Kamuran Ari, Journal of materials in civil engineering . 2009,第8期

机译：纤维（钢和聚丙烯）增强粉煤灰混凝土的强度特性（弯曲和压缩）与耐磨性之间的关系
4. Experimental Research on Sulfate Attack Resistance of Steel Fiber Reinforced Fly Ash Concrete [C] . Lei Cui, Xiaodan Ge, Qinyong Ma International Conference on Civil Engineering, Architecture and Sustainable Infrastructure . 2012

机译：钢纤维增强粉煤灰混凝土硫酸盐侵蚀电阻的实验研究
5. Sulfate resistance of high calcium fly ash concrete. [D] . Dhole, Rajaram. 2010

机译：高钙粉煤灰混凝土的耐硫酸盐性。
6. Flexural Toughness of Steel Fiber Reinforced High Performance Concrete Containing Nano-SiO2 and Fly Ash [O] . Peng Zhang, Ya-Nan Zhao, Qing-Fu Li, -1

机译：纳米SiO2和粉煤灰的钢纤维高性能混凝土的弯曲韧性。
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。
8. Fly Ash Increases Resistance of Concrete to Sulfate Attack [R] . Dikeou, J. T. 1970

机译：粉煤灰增加混凝土抗硫酸盐侵蚀能力

Experimental Research on Sulfate Attack Resistance of Steel Fiber Reinforced Fly Ash Concrete

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