FUNDAMENTAL STUDY ON THE DEVELOPMENT OF SEISMIC DESIGN BASED ON ENERGY CONCEPT : Part 1 Performance check of earthquakeproof by considering energy input velocity

1996 ◽  
Vol 61 (486) ◽  
pp. 85-94 ◽  
Author(s):  
Hideyuki KIMNUGASA ◽  
Setsuro NOMURA
Keyword(s):  
Seismic Design ◽  
Energy Input ◽  
Fundamental Study ◽  
Energy Concept ◽  
Performance Check

Fundamental Study on Energy Necessary for Tensile Failure

2016 ◽  
Author(s):  
Keisuke Minagawa ◽  
Satoshi Fujita
Keyword(s):  
Fatigue Failure ◽  
Seismic Design ◽  
Tensile Tests ◽  
Cumulative Damage ◽  
Tensile Failure ◽  
Seismic Events ◽  
Fundamental Study ◽  
Long Time ◽  
The Relationship

Although, a part of damage of mechanical structures by actual seismic events is caused by cumulative damage, their seismic design is generally carried out by using momentary force or stress, because force and stress are calculated easily. Therefore, damage indicating parameters that can evaluate cumulative damage is necessary, and authors have focused on energy as the parameter. The energy can evaluate fatigue failure because the energy is derived from an integral of a product of force and deformation. In our previous paper, vibration and loading experiments were conducted, and the energy necessary for fatigue failure was reported. However the processes to clarify the energy necessary for failure by fatigue experiments take a long time. The processes will be shortened if the energy is clarified by tensile tests. This paper deals with the energy necessary for tensile failure. In this paper, tensile tests were carried out, and energy necessary for tensile failure was derived. The tensile tests were conducted with various tensile speeds. As a result, more energy is needed when tensile speed is slow. This relationship is same as the relationship confirmed by vibration and loading experiments in our previous papers.

scholarly journals PERFORMANCE CHECK FOR STEEL SUPERSTRUCTURE IN THE SEISMIC DESIGN OF YOKOHAMA BAY BRIDGE

2010 ◽  
Vol 66 (1) ◽  
pp. 13-30
Author(s):  
Yasumiki YAMAMOTO ◽  
Hisamitsu HANNO ◽  
Yozo FUJINO ◽  
Masaaki YABE
Keyword(s):  
Seismic Design ◽  
Performance Check

scholarly journals EVALUATION OF PERFORMANCE CHECK ON E-DEFENSE BASED ON THE ENERGY INPUT

2007 ◽  
Vol 72 (612) ◽  
pp. 207-214 ◽  
Author(s):  
Satoshi YAMADA ◽  
Masao MAEZAWA ◽  
Toshihiro MORI ◽  
Yuko SHIMADA ◽  
Eiji SATO ◽  
...  
Keyword(s):  
Energy Input ◽  
Evaluation Of Performance ◽  
Performance Check

scholarly journals Fundamental study on evaluation of damage of steel piers with box cross-section based on energy concept.

1987 ◽  
pp. 429-437
Author(s):  
Kiyoshi HIRAO ◽  
Tsutomu SAWADA ◽  
Yoshifumi NARIYUKI ◽  
Syuji SASADA
Keyword(s):  
Cross Section ◽  
Fundamental Study ◽  
Energy Concept

Researches on the Structural Influencing Coefficient of Steel Frames under Different Sites Based on the Energy Concept

2012 ◽  
Vol 226-228 ◽  
pp. 1000-1004
Author(s):  
Hui Juan Jia ◽  
Hang Dai ◽  
Ruo Quan He
Keyword(s):  
Seismic Design ◽  
Seismic Waves ◽  
Steel Frames ◽  
Time History ◽  
Seismic Action ◽  
Energy Concept ◽  
Influence Coefficients ◽  
History Analysis ◽  
Development Direction ◽  
Dynamic Time

The structure influencing coefficients reflect discount rate on horizontal seismic action of different structure categories. In general, the structure influence coefficients are related with the ductility level and overstrength of the structure. According to Code for seismic design of buildings (GB50011-2008), four models of three story-steel frames are designed for 4 types of site. Dynamic time-history analysis is carried out to study the models with records of seismic waves. The ductility level, the over-strength and Structural Influencing Coefficient are derived by the energy concept in the different sites condition. Structural Influencing Coefficient based on the energy concept is a new attempt. Method of the energy concept and design of structure will become the important development direction to improve the traditional seismic design.

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