Twisting of buildings is one of the factors that cause severe damages during earthquakes. This commonly occurs in buildings due to stiffness irregularities in plan and elevation of buildings, and mass irregularity in plan and elevations of buildings. So, when ...
Category: Earthquake Engineering
Earthquake engineering deals with the study of earthquake forces and its effects on the buildings and structures.
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Seismic Zones in India
Seismic zones in Indian subcontinent is divided into four seismic zones (II, III, IV, and V) based on scientific inputs relating to seismicity, earthquakes occurred in the past and tectonic setup of the region. Previously, earthquake zones divided into five ...
10 Causes of Earthquake Damages in Unreinforced Masonry Buildings
There are several weaknesses that may cause the failure of unreinforced masonry structure during earthquakes. These weaknesses are design and construction errors which should be considered and addressed during the design and construction of such structure. The main weaknesses in ...
What are the Four Virtues of Earthquake Resistant Buildings?
There are four virtues that any earthquake resistant buildings should have to a certain extent in order to withstand designated seismic forces. The virtues of earthquake resistant buildings are structural configurations, lateral strength of the building, adequate stiffness, and ductility. ...
I.S Codes on Earthquake Resistant Building Design
The list of Indian standard codes for earthquake design of structures include IS 1893–2002, IS 4928–1993, IS 13827–1992, IS: 13920–1997, IS: 13935–1993. These codes take several parameters into considerations for instance local seismology, accepted level of seismic risk, building typologies, ...
Difference Between Magnitude and Intensity of Earthquake
Magnitude and intensity measure various characteristics of earthquake. The former measures the energy released at the source of the earthquake. However, the latter measures the strength of shaking generated by the earthquake at a certain location. The magnitude of earthquake is ...
How the Ground Shakes During Earthquakes?
Ground shaking is the consequence of movement of seismic waves through the ground, which ranges from quite gentle in small earthquakes to considerably violent in large earthquakes. Ground shaking move buildings from side to side and up and down. The ...
Different Types of Base Isolators Used in Buildings
Different types of base isolation techniques are developed one after the other, each prepared for specific seismic conditions and structures. Some of the important base isolation systems used in buildings are elastomeric bearings and friction pendulum bearings. Also Read: What ...