Dynamic strengths and toughness of an ultra high performance fibre reinforced concrete

被引：88

作者：

Bragov, A. M. ^{[1
]}

Petrov, Yu. V. ^{[2
]}

Karihaloo, B. L. ^{[3
]}

Konstantinov, A. Yu. ^{[1
]}

Lamzin, D. A. ^{[4
]}

Lomunov, A. K. ^{[1
]}

Smirnov, I. V. ^{[2
]}

机构：

[1] State Univ Nizhny Novgorod, Res Inst Mech, Nizhnii Novgorod 603950, Russia

[2] St Petersburg State Univ, St Petersburg 199034, Russia

[3] Cardiff Univ, Sch Engn, Cardiff CF24 3AA, S Glam, Wales

[4] Nizhny Novgorod State Univ Architecture & Civil E, Nizhnii Novgorod 603950, Russia

来源：

ENGINEERING FRACTURE MECHANICS | 2013年 / 110卷

基金：

俄罗斯基础研究基金会;

关键词：

Ultra high performance fibre reinforced concrete; Kolsky method; Compression; Splitting; Three-point notched bend; Fracture; Incubation time; Dynamic strength; CARDIFRC; STRAIN-RATE; MECHANICAL-PROPERTIES; HIGH-RATES; PART I; FRACTURE; ENHANCEMENT; CARDIFRC(R); BEHAVIOR;

D O I：

10.1016/j.engfracmech.2012.12.019

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The results of dynamic compression, splitting and notched three-point bend tests of the ultra high performance fibre reinforced concrete, known under the trade name CARDIFRC, are presented. The tests have been performed using the Kolsky method and its modifications for dynamic splitting and notched three-point bend testing. The mechanical data (strength, time and energy characteristics) of this material at high strain rates have been obtained. It is shown that these characteristics are sensitive both to the strain rate and to the stress rate. A unified interpretation of these rate effects based on the structural-temporal approach is presented. It is shown that the time dependence of the dynamic compressive and split tensile strengths and of the dynamic toughness of CARDIFRC can be predicted by the incubation time criterion. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：477 / 488

页数：12

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