Earthquake engineering

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    Prior to attending University as a Civil Engineering student, there were plenty of natural disasters, including earthquakes, flooding, etc., that stole human lives and left destruction and havoc for the survivors in my country, not only due to the strength of those disasters, but simply due to the weakness of our structures, such as our buildings, bridges, roads, etc. I was obsessed with that immense toll in our country that was due to a simple negligence and lack of knowledge. Consequently, I consulted

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    Abstract The main objective of this project is to check and compare the seismic response of multi-storied building for different location of shear wall, so that one can choose the best alternative for construction in earthquake-prone area. Different location of shear wall in R.C. Building will be modeled in E-TABS software and the results in terms of natural period, frequency, storey displacement, storey drift, storey shear is compared. Shear walls are structural members used to elongate the strength

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    Performance Assessment for vulnerability analysis of RC Buildings Summary Keywords Introduction The paper is intended to present some studies undertaken in order to develop a seismic vulnerability estimation system to fit the needs of development of earthquake scenarios and of development of an integrated disaster risk management system for India. Figure 1: The components of seismic risk assessment and choices for the vulnerability assessment procedure; the bold path shows a traditional assessment

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    Comparative studies on seismic behavior of steel frame building: An experimental approach Jaykumar Bavarva1, Prof. Merool Vakil2 (1 Student, M.Tech Civil Engg., Gujarat Forensic Sciences University, Gandhinagar, Gujarat, India 2 Asst. Prof., Institute of Research & Development, Gujarat Forensic Sciences University, Gandhinagar, Gujarat, India) Abstract: This study aimed to compare the seismic behaviour of different bracing systems in 10th time smaller real prototype steel building model. The uniaxial

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    1 First European Conference on Earthquake Engineering and Seismology (a joint event of the 13th ECEE & 30th General Assembly of the ESC) Geneva, Switzerland, 3-8 September 2006 Paper Number: 927 NON LINEAR ANALYSIS OF MIXED MASONRY AND REINFORCED CONCRETE BUILDINGS Serena CATTARI1 and Sergio LAGOMARSINO2 SUMMARY From the early 20th-century the gradual transformation of the theory and constructive techniques led from the masonry buildings predominance to the reinforced concrete’s (RC) structures.

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    4.6.2 Krawinkler and Nassar (1992) A relationship was developed for the force reduction factor derived from the statistical analysis of 15 western USA ground motions with magnitude between 5.7 and 7.7 (Krawinkler and Nassar, 1992). C is constant which is dependent on period (T) and α which is the strain hardening parameter of the hysteretic model and a and b are regression constants. 4.6.3 Miranda and Bertero (1994) The equation for reduction factor introduced

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    CHAPTER 5 FE ANALYSIS OF CAST-IN-SITU AND PRECAST FRAME SYSTEMS 5.1 Preamble The response of structural systems depends on the rigidity of the connections and this knowledge becomes very important to understand the influence of connections on the load path under both lateral and vertical loads. Precast buildings with skeletal frames system may have different forms based on the types of joint and their position as indicated in the Table 1-1. The structural joints can be idealized as either hinged

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    1. Introduction A Mw7.8 earthquake struck the Gorkha region of central Nepal on the 25th April 2015 (11:56 am local time). The initial tremor was followed by a series of Mw>6 aftershocks including a Mw7.3 event on the 12th May 2015. Together, this series of earthquakes have been termed the “Gorkha earthquake sequence” (Collins and Jibson, 2015). The Mw7.3 aftershock killed an estimated 160 people, which is in addition to a ~8,600 death toll for the main Mw7.8 event (Kargel et al., 2016). Up to 6%

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    Introduction: It is widely known that many older reinforced concrete columns may suffer from an inadequate amount of transverse steel reinforcement providing insignificant confining pressure to the concrete core. The seismic performance of these columns may thus be very poor due to their insufficient ductility or low concrete strength. Because the FRP composites owe some of the favorable properties such as high strength-to-weight ratio, the use of FRP composites is nowadays become more common in

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    response. Since the properties of the seismic response depend on the intensity, or severity, of the seismic shaking, a comprehensive assessment calls for numerous nonlinear dynamic analyses at various levels of intensity to represent different possible earthquake scenarios. This has led to the emergence of methods like the Incremental Dynamic

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