Stress-strain behaviour of model networks in uniaxial tension and compression

2007 ◽  
pp. 49-54 ◽  
Author(s):  
W. Oppermann ◽  
N. Rennar
Keyword(s):  
Uniaxial Tension ◽  
Stress Strain ◽  
Strain Behaviour ◽  
Tension And Compression ◽  
Model Networks

Determination of Tensile and Compressive Stress Strain Curves from Bend Tests

2004 ◽  
Vol 1-2 ◽  
pp. 133-138 ◽  
Author(s):  
G. Urriolagoitia-Sosa ◽  
J.F. Durodola ◽  
N.A. Fellows
Keyword(s):  
Compressive Stress ◽  
Inverse Method ◽  
Bauschinger Effect ◽  
Stress Strain ◽  
Bending Tests ◽  
Strain Behaviour ◽  
Strain Data ◽  
Tension And Compression ◽  
Bend Tests

A new inverse method has been developed for the simultaneous derivation of tensile and compressive stress strain behaviour from bending tests only. This new procedure can be applied to materials having asymmetric tensile and compressive stress strain behaviour and also materials that have been previously strain hardened (Bauschinger Effect). This paper presents results obtained using the new method and compares them with experimentally obtained tensile and compressive stress strain curves. The agreement of the derived stress strain data in tension and compression is encouraging.

Experimental Research on Constitute Relation of Concrete under Uniaxial Tension and Compression with Different Strain Rate

2011 ◽  
Vol 250-253 ◽  
pp. 3279-3283 ◽  
Author(s):  
Hai Bin Chen ◽  
You Po Su ◽  
Jun Wei Xing ◽  
Yu Min Zhang
Keyword(s):  
Structural Analysis ◽  
Strain Rate ◽  
Uniaxial Tension ◽  
Theoretical Basis ◽  
Strain Curve ◽  
Strain Ratio ◽  
Test Device ◽  
Stress Strain Curve ◽  
Stress Strain ◽  
Tension And Compression

The constitutive relation of concrete under uniaxial tension and compression is an essential theoretical basis for structural analysis of concrete. Because of the lack of sufficient stiffness for ordinary test device, a stable decline branch of stress-strain curve could not be obtained. The condition of realizing the stress-strain complete curve for concrete uniaxial tension and compression is derived. The experiment device for uniaxial tension and compression was designed and fabricated with increasing stiffness method. Experiments were carried out for concrete with grade C30~C60 and strain rate 10-5/s~10-2/s. The equation for stress-strain curve in the rising branch were obtained and so were the complete stress-strain curve of uniaxial tension and compression under different strain ratio, which provide the theoretical basis for concrete structural analysis.

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