5 Amazing Mega-Structures to be Seen Around the World

5 Amazing Mega-Structures to be Seen Around the WorldMega-structures are nothing short of amazing, and not just because they are described with adjectives ending with the suffix “est.” While tallest, biggest, deepest and longest suggest extreme proportions, it is the feat of engineering and construction method behind each structure that truly astounds.

Here’s a list of 5 of the most noteworthy engineering feats from around the world:

1. Eureka Tower

The city of Melbourne in Australia is home to this tower that consists of 91 storeys. It is Melbourne’s tallest building, and the second tallest in Australia. It was completed in 2006, following five years of construction.

Clad with blue glass, its modern architectural style is visually striking. The blue, gold, red and white colours used on the building are symbolic of the Eureka Stockade rebellion that occurred during the 1854 gold rush in Victoria. The tower’s golden crown represents the gold rush. The colour red represents the blood that was spilt. The blue hue represents the main colour of the stockade’s flag. White is also to be found on the flag.

2. Aldar Headquarters Building

This gigantic orb can be found on the Al Raha Beach in Abu Dhabi. The mega-structure is the Middle East’s first fully circular building. Its distinctive and visionary shape and style earned it the title “Best Futuristic Design”, which was bestowed at Spain’s Building Exchange Conference.

The building’s shape and construction was achieved by using structural diagrids. These are diagonal grids of steel. Aldar Headquarters houses restaurants and hotel suites. There are 20 elevators of various sorts in the building, three of which are single-person elevators.

3. Petronas Towers

The Petronas Towers, otherwise known as the Petronas Twin Towers, are located in Kuala Lumpur, Malaysia. The towers were constructed in stages, beginning in March 1993. The overall style is a nod to post-modernism.

The two towers are topped with extremely tall pinnacles. The pinnacles serve dual functions. They adhere to the Islamic minaret tradition, and their lights warn aircraft of their presence.The towers are connected by a sky bridge. This is a construction marvel in its own right. Between 1998 and 2004, the towers held the distinction of being the tallest man-made structure in the world.

4. Kingda Ka Roller Coaster

This steel accelerator roller coaster is situated in the Golden Kingdom section of the park at Six Flag Great Adventure in New Jersey, U.S.A.

It is the tallest roller coaster in the world, and the second fastest. Acceleration goes from zero to 128 miles/206 kilometres per hour in just three and a half seconds. The track is 3,118 feet/950 metres long, and the ride lasts less than 30 seconds. The roller coaster is capable of providing rides to 1,400 passengers each hour.

5. Rio-Antirrio Bridge

The official name for the bridge is Charilaos Trikoupis Bridge. It is named for the politician who first proposed its construction. Spanning the Gulf of Corinth, it is the longest cable-stayed bridge in the world.

Construction of the bridge presented many engineering challenges, and novel construction techniques had to be devised because of the depth of the water and the loose sediment of the seabed. There are in-built sensors and monitoring devices to ensure the safety and structural integrity of the bridge.

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This post was written by Artyon Kelly, an architecture student from Brisbane, Australia.

Editorial Team
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