[1]LI Yu,BAI Hua,WANG Tao.Effects of Characteristics of Earthquake Motion on Seismic Energy[J].Journal of Zhengzhou University (Engineering Science),2011,32(06):27-31.
Copy
Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
32
Number of periods:
2011 06
Page number:
27-31
Column:
Public date:
2011-11-10
- Title:
-
Effects of Characteristics of Earthquake Motion on Seismic Energy
- Author(s):
-
LI Yu; BAI Hua; WANG Tao
-
Key Laboratory of Ministry of Communications for Bridge Detection &Reinforcement Technology , Chang’an University,Xi’ an710064,China
-
- Keywords:
-
SDOF system; seismic energy response; characteristics of earthquake motion; hysteretic energydissipation ; damping energy dissipation
- CLC:
-
U442.5
- DOI:
-
-
- Abstract:
-
320 strong motion records of four sites are appropriately selected.Based on energy equations of SD-OF system, the elasto-plastic dynamic analysis program is used to study the effects of characteristics of earth-quake motion on seismic energy response of SDOF system.The study results are obtained as follows;Seismicenergy response,hysteretic energy dissipation and damping energy dissipation increased with the increase ofearthquake magnitude.The medium length period structures subjected to minor shock are depended on damp-ing energy dissipation to consume the seismic energy.And,structures subjected to major shoek are dependanton hysteretic energy dissipation to consume the seismic energy.When the site soil softens,seismic energy re-sponse increases and its amplification also aggravates.Seismic energy spectra of other protected earthquake in-tensity can be obtained by adjusting seismic energy spectra of the standard protected earthquake intensity ac-cording to square ratio of PCA ( protected earthquake intensity ) to PCA ( standard protected earthquake).