文档介绍：Journal of Constructional Steel Research 60 (2004) 795–808
ate/jcsr
Design characteristics of structural steels based
on statistical analysis of metallurgical products
Jindrˇich Melcher a,Ã, Zdeneˇk Kala b, Milan Holicky´ c,
Miroslav Fajkus d, Lubomı´r Rozlı´vka e
a Department of Metal and Timber Structures, Faculty of Civil Engineering, Brno University of
Technology, Veverˇı´ 95, 662 37 Brno, Czech Republic
b Department of Structure Mechanics, Faculty of Civil Engineering, Brno University of Technology, Veverˇı´
95, 662 37 Brno, Czech Republic
c Klokner Institute, Czech Technical University, Sˇ olı´nova 7, 166 08 Praha, Czech Republic
d Institute of Iron Metallurgy, Dobra´ u Fry´dku 739 51, Czech Republic
e Institute of Steel Structures, Hlavnı´ 18, Fry´dek Mı´stek 738 02, Czech Republic
Abstract
The results of experimental research of material and geometrical characteristics of Czech
steel are given in the present paper. The yield strength, tensile strength and ductility were eval-
uated statistically. For hot-rolled steel IPE profiles, the geometrical characteristics of cross-
section dimensions were evaluated statistically too. It has been proved that both material and
geometrical characteristics of plates and hot-rolled IPE profiles are satisfactory. The problems
are discussed also in connection with application of putations. For this pur-
pose, correlation coefficients among the quantities measured were also investigated.
# 2003 Elsevier Ltd. All rights reserved.
Keywords: Steel structures; Material safety factor; Yield strength; Tensile strength; Ductility
1. Introduction
The objective information on real behaviour of a structure system can be reliably
obtained and verified by material tests on real samples only. In the field of struc-
ture imperfections, maximum attention is being paid to investigation and analysis
of yield strength, and of material tensile strength and ductility. Greater attention to
material characteristi