EXPERIMENTAL METHOD ON INVESTIGATION OF FIBRE REINFORCED CONCRETE AT ELEVATED TEMPERATURES

被引：10

作者：

Goremikins, Vadims ^{[1
]}

Blesak, Lukas ^{[2
]}

Novak, Josef ^{[3
]}

Wald, Frantisek ^{[2
]}

机构：

[1] Riga Tech Univ, Inst Struct Engn & Reconstruct, Riga, Latvia

[2] Czech Tech Univ, Dept Steel & Timber Struct, Prague, Czech Republic

[3] Czech Tech Univ, Dept Concrete & Masonry Struct, Prague, Czech Republic

来源：

ACTA POLYTECHNICA | 2016年 / 56卷 / 04期

关键词：

temperature distribution; elevated temperature; four-point bending test; compressive and tensile tests;

D O I：

10.14311/AP.2016.56.0258

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Generally speaking, adding a certain amount of steel fibres to a concrete mixture improves its mechanical properties. Currently, a lack of information considering tensile and post cracking behaviour of FRC at elevated temperatures is an issue to be faced. An experimental study of steel fibre reinforced concrete, also containing polymer fibres (FRC), subjected to high temperature is presented herein. Compressive strength, split tensile strength and ultimate bending strength were evaluated. Specimens were heated by the use of ceramic heaters and repacked for testing consequently. A finite-element based model was developed to predict the temperature distribution inside a specimen during both the heating and the cooling process.

引用

页码：258 / 264

页数：7

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