Influence of Steel Fiber Addition on the Vibrational Characteristic of High Strength Cementitious Composites

Mehmet Alper Sofuoglu; Fatih Hayati Çakır; Serhat Celikten

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Influence of Steel Fiber Addition on the Vibrational Characteristic of High Strength Cementitious Composites

机译：钢纤维添加对高强度水泥复合材料振动特性的影响

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Structural materials and their properties in different applications with next-generation composite production techniques arequite promising areas. In this study, new composite blocks were produced with the addition of industrial and recycled steelfibers to high strength cementitious composites (HSCCs). The vibrational damping capabilities of the blocks produced instandard dimensions (16 cm×4 cm×4 cm) were tested by using the modal analysis method. In many different applications,structural materials are expected to absorb vibrations such as earthquakes or artificial vibrations from machine systemsoperating in industrial areas. In this study, the vibration damping capability of HSCCs was investigated and improved byadding steel fiber to HSCCs. The experimental study shows that adding steel fibers improves the bending stress by up to 127%and damping ratio over 200%. The fiber size and distribution play a significant role in this improvement. This effect was alsoachieved to a certain extent in the samples produced using recycled steel fibers obtained from waste tires. In this way, thevibration damping ability of the HSCCs is increased with an environmentally friendly approach.

机译：具有下一代复合生产技术的不同应用中的结构材料及其性质是相当有前途的地区。在这项研究中，通过添加工业和再生钢来生产新的复合块纤维高强度水泥复合材料（HSCC）。生产的块的振动阻尼能力通过使用模态分析方法测试标准尺寸（16cm×4cm×4cm）。在许多不同的应用中，预计结构材料将吸收诸如机器系统地震或人工振动的振动在工业区经营。在这项研究中，研究了HSCCS的振动阻尼能力和改善将钢纤维添加到HSCCS。实验研究表明，添加钢纤维将弯曲应力提高至127％并且阻尼比率超过200％。纤维尺寸和分布在这种改进中起着重要作用。这种效果也是如此在使用从废轮胎中获得的再生钢纤维生产的样品中的一定程度上实现。以这种方式，HSCCS的振动阻尼能力随环保方法而增加。

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来源
《Arabian Journal for Science and Engineering》 |2021年第5期|4677-4685|共9页
作者
Mehmet Alper Sofuoglu; Fatih Hayati Çakır; Serhat Celikten;
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作者单位

Department of Mechanical Engineering Eskisehir OsmangaziUniversity 26480 Eskisehir Turkey;

Eski¸sehir Vocational School Eskisehir OsmangaziUniversity Eski¸sehir Turkey;

Department of Civil Engineering Nev¸sehir Hacı Bekta¸s VeliUniversity 50300 Nevsehir Turkey;

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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Modal analysis; Recycled steel fiber; Industrial steel fiber; Vibration damping; Composite material;

机译：模态分析;再生钢纤维;工业钢纤维;振动阻尼;复合材料;

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1. Interfacial bond characteristics of steel fibers embedded in cementitious composites at high rates [J] . Park Jun Kil, Tri Thuong Ngo, Kim Dong Joo Cement and Concrete Research . 2019,第期

机译：高速率嵌入水泥复合材料中钢纤维的界面粘结特性
2. The influence of fiber orientation on bleeding of steel fiber reinforced cementitious composites [J] . Li Hui, Mu Ru, Qing Longbang, Cement & concrete composites . 2018,第期

机译：纤维取向对钢纤维增强水泥复合材料流出的影响
3. The influence of fiber orientation on bleeding of steel fiber reinforced cementitious composites [J] . Li Hui, Mu Ru, Qing Longbang, Cement & concrete composites . 2018,第期

机译：纤维取向对钢纤维增强水泥复合材料流出的影响
4. Structural Test of Mortar-Based Fiber Reinforced Cementitious Composites and Steel Chip Reinforced Cementitious Composite Part7 Uniaxial Tension Test of Polymer Cementitious Material and Small Diameter Steel Bar [C] . Sunhee HONG, Ryohei KATO, Yuika IDA, 日本建築学会学術講演会 . 2015

机译：基于砂浆的纤维增强水泥复合材料的结构试验和钢芯片加固胶粘复合材料组合材料胶凝材料和小直径钢筋的单轴张力试验
5. Strain rate effect on high performance fiber reinforced cementitious composites using slip hardening high strength deformed steel fibers. [D] . Kim, Dong joo. 2009

机译：滑移硬化高强度变形钢纤维对高性能纤维增强水泥基复合材料的应变率效应。
6. Optimizing of the Cementitious Composite Matrix by Addition of Steel Wool Fibers (Chopped) Based on Physical and Mechanical Analysis [O] . Akrm A Rmdan Amer, Mohd Mustafa Al Bakri Abdullah, Yun Ming Liew, 2021

机译：基于物理和力学分析通过添加钢丝纤维（切碎）优化水泥复合矩阵
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. Fiber Reinforced Cementitious Matrix (FRCM) Composites for Reinforced Concrete Strengthening. [R] . L. Sneed 2013

机译：纤维增强水泥基复合材料（FRCm）在钢筋混凝土加固中的应用。

Influence of Steel Fiber Addition on the Vibrational Characteristic of High Strength Cementitious Composites

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