Cu–Al–Mn is a type of shape memory alloy that has been evaluated for seismic applications in recent years. However, the rate-independent behavior of this new material has been proved in seismic applications in previous studies, but dependency on the temperature has been rarely studied. In this paper, seismic response dependency in a steel braced frame was evaluated under five different temperatures: − 40, − 25, 0, 25 and 50 °C. For this purpose, a one-bay one-story Cu–Al–Mn X braced frame was selected. At first, the response of frame was provided under a record scaled with various PGA and then five scaled records were selected for more evaluation. From the results, the axial force and top acceleration of frame increased with enhancing temperature. The difference of top acceleration in the lowest and highest temperature was 30%. In contrast, there was a drop in the maximum drift and maximum strain of brace with increasing temperature. The percentage changes of maximum drift and maximum strain were in the average values of 44 and 47%, respectively. Changes in all cases were almost linear. Results of the frame under seven different scaled records almost showed similar tendency. However, change in environmental temperature affected time history drift angle, especially at a temperature less than 0 °C, but in most earthquakes, maximum drift angle and strain increased with decreasing temperature and there was decline in top acceleration. The percentage of changes varied from 32 to 72% for drift angle and 20–42% for top acceleration.
International Journal of Civil Engineering – Springer Journals
Published: Jun 4, 2018
It’s your single place to instantly
discover and read the research
that matters to you.
Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.
All for just $49/month
Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly
Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.
Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.
Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.
All the latest content is available, no embargo periods.
“Hi guys, I cannot tell you how much I love this resource. Incredible. I really believe you've hit the nail on the head with this site in regards to solving the research-purchase issue.”Daniel C.
“Whoa! It’s like Spotify but for academic articles.”@Phil_Robichaud
“I must say, @deepdyve is a fabulous solution to the independent researcher's problem of #access to #information.”@deepthiw
“My last article couldn't be possible without the platform @deepdyve that makes journal papers cheaper.”@JoseServera