On the Strain Rate Sensitivity of Fibre-Reinforced Self-Compacting Concrete

被引：1

作者：

Pajak, Malgorzata ^{[1
]}

Janiszewski, Jacek ^{[2
]}

机构：

[1] Silesian Tech Univ, Dept Struct Engn, Gliwice, Poland

[2] Mil Univ Technol, Warsaw, Poland

来源：

ENGINEERING TRANSACTIONS | 2022年 / 70卷 / 03期

关键词：

split Hopkinson pressure bar; recycled steel fibres; self-compacting concrete; DYNAMIC COMPRESSIVE BEHAVIOR; MODEL;

D O I：

10.24423/EngTrans.2036.20220801

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study investigates the characteristics of self -compacting concrete (SCC) reinforced with recycled fibres and their combination with polypropylene fibres, which can be applied to build protective structures. The split Hopkinson pressure bar (SHPB) method was used to subject the mixtures to high strain rates in the range from 140 to 200 s-1, corresponding to impact loads. It was found that the strain rate sensitivity of both types of mixtures was comparable. The failure pattern confirmed the role of fibres in carrying the loads for strain rates below around 100 s-1.

引用

页码：203 / 220

页数：18

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