The average strain rate is the slope of the strain-time curve for the duration [t1, t2], where t1 and t2 represent the time corresponding to the beginning of the strain rate plateau and the instant of peak stress respectively. From: Journal of Building Engineering, 2021 ...
Finite element analytical results reveal that the effect of temperature experienced on the ductile fracture performance of the HSS Q690 is reflected by the equivalent plastic strain at the neck, the true stress at the neck and the weight parameter, and not by the toughness parameter. It is ...
At that moment the corresponding SED is calculated by integrating the stress-strain curve from the origin until the maximum load, on which εnpεpn is denoted as εu,True. The total SED until the maximum stress (area below the tensile curve) may then be expressed as (9) [31]: (SED)...
Pressure–displacement curve in burst process. 0 0Three sta5ges that c1a0nu(rmemfle)c1t5the char2a0cteristic2s5of the material are observed clearly from the stress–strain curves shown in Figure 17. In the first stage, the strain of the pipe FFwiiggauulrlea1n6d. Pthreessssiuunrrtee–...
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Failure to properly account for dynamic effect can underestimate the stress cycles contributing to bridge component fatigue [1,2]. Presently, some disagreement exists between provisions of various national bridge codes because dynamic load allowance (DLA) depends, in addition to the maximum span or ...