Posted inEarthquake Resistant Structures
How to evaluate, manage and mitigate earthquake risk
The evaluation of the seismic risk is considered essential to define strategic urban and emergency…
Posted inEarthquake Resistant Structures
Seismic Instruments Information
Seismic instruments are used to measure low-frequency ground motion caused by earthquakes. They detect the…
Posted inEarthquake Resistant Structures
Major Historical Earthquakes
Major historical earthquakes are listed chronologically in the table. Notable earthquakes in historyyearaffected areamagnitude*intensity*approximate number…
Posted inEarthquake Resistant Structures
Magnitude versus Intensity
Magnitude and Intensity measure different characteristics of earthquakes. Magnitude measures the energy released at the…
Posted inEarthquake Resistant Structures
The Nature Of Earthquakes
Causes of earthquakes Earth’s major earthquakes occur mainly in belts coinciding with the margins of tectonic plates.…
Posted inEarthquake Resistant Structures
Causes and characteristics of Earthquakes
Earthquakes are vibrations in the Earth's crust that cause shaking at the surface. They are highly…
Posted inDesign of Tall Structures
Seismic Wave Propagation
To break an object (say a plastic ruler) produced a clicking sound or sound waves…
Posted inEarthquake Resistant Structures
Introduction to Engineering Seismology
Introduction · The Earth beneath our feet usually feels solid and firm. Yet a million times…
Posted inDesign of Tall Structures
Cracking and building movement
Introduction Buildings and other built structures are moving all the time, but usually these movements are so small as…
Posted inDesign of Tall Structures
Deflection Limits in Tall Buildings
Serviceability criteria in the form of lateral deflection and acceleration limits under wind loading are…