scholarly journals A Comparison of Geodetic and Seismic Strain Rates in Turkey

2017 ◽  
Vol 17 (3) ◽  
pp. 1122-1128
Author(s):  
Bahadır Aktuğ ◽  
Begüm Çıvgın
Keyword(s):  
Strain Rates ◽  
Seismic Strain

Dynamic parallel-to-grain compressive properties of three softwoods under seismic strain rates: tests and constitutive modeling

Holzforschung ◽  
2020 ◽  
Vol 74 (10) ◽  
pp. 927-937
Author(s):  
Qifang Xie ◽  
Lipeng Zhang ◽  
Baozhuang Zhang ◽  
Gaojie Yang ◽  
Jitao Yao
Keyword(s):  
High Sensitivity ◽  
Repeated Loading ◽  
Strain Rates ◽  
Peak Strain ◽  
Compressive Properties ◽  
Stress Strain ◽  
Strain Rate Effects ◽  
Rate Dependent ◽  
Seismic Strain ◽  
Four Levels

AbstractSoftwood is commonly used in timber structures, whose dynamic compressive properties along the grain direction under seismic rate actions are of major concern. In the present study, 108 samples were examined from three species of softwoods (spruce, Dahurian larch and pine) and subjected to four levels of strain rates (10−4 s−1, 10−3 s−1, 10−2 s−1 and 0.1 s−1) under parallel-to-grain monotonic and repeated compression. The seismic strain rate effects on softwood were investigated by observing the failure mechanisms, engineering stress-strain curves, initial crushing strength, elastic modulus and peak strain. Results demonstrated the high sensitivity of softwood to seismic strain rates. Finally, a rate-dependent constitutive model was developed to predict the stress-strain relationship (both monotonic and repeated loading cases) of softwood under different seismic strain rates.

Compressive behavior of UHPFRC under quasi-static and seismic strain rates considering the effect of fiber content

2018 ◽  
Vol 188 ◽  
pp. 633-644 ◽  
Author(s):  
Pablo Augusto Krahl ◽  
Gustavo de Miranda Saleme Gidrão ◽  
Ricardo Carrazedo
Keyword(s):  
Fiber Content ◽  
Strain Rates ◽  
Compressive Behavior ◽  
Seismic Strain
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