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Top 5 Earthquake Resistant Structures Around the World
Earthquakes are one of the most destructive forces of nature. Structures and infrastructures suffer the most when an earthquake strike a seismically active region in the world. Seismic loadings must, therefore, be taken into account when designing structures especially those that are considered as skyscrapers. Let’s roam around the world together and discover the top 5 earthquake proof structures and learn how buildings can be designed to resist extreme seismic loadings. How do earthquakes happen? As an engineer, it’s important to initially understand what the problem is to make the solving part easy. So, what exactly is an earthquake and how do they happen? Everyone knows about the existence of tectonic plates and how they influence the movement of the Earth’s crust. Earthquakes happen when these tectonic plates collide with each other and produce large magnitudes of energy measured using the Richter scale. The movement of these tectonic plates can be attributed to one simp
LIVING ROOT BRIDGES
Living root bridges are a form of tree shaping common in the southern part of the Northeast Indian state of Meghalaya . They are handmade from the aerial roots of Rubber Trees ( Ficus elastica ) by the Khasi and Jaintia peoples of the mountainous terrain along the southern part of the Shillong Plateau . The pliable tree roots are made to grow through betel tree trunks which have been placed across rivers and streams until the figs' roots attach themselves to the other side. Sticks, stones, and other objects are used to stabilize the growing bridge This process can take up to 15 years to complete. The useful lifespan of any given living root bridge is variable, but it is thought that, under ideal conditions, they can in principle last for many hundreds of years. As long as the tree they are formed from remains healthy, they naturally self-renew and self-strengthen as their component roots grow thicker. For more info: Click H