The spire of the tower features a spherical observation center at its base. Writing is inscribed above each clock, with the words “God is the Greatest” on the north and south sides, while the Koran adorns the east and west sides. At night, the clock faces are illuminated by one million LED lights that transform the tower into a green and white beacon. These clocks hold the record for both the largest and highest in the world. True to its name, four colossal clock faces are mounted near the top of the tower. Six smaller high-rises surround it at heights varying and accommodate both residential and hotel uses. The clock tower stands in the center of a high-rise complex called Abraj Al-Bait. It is conveniently located adjacent to the Grand Mosque, which can accommodate up to two million worshippers over the course of the event. The tower was developed as a component of the King Abdulaziz Endowment Project and provides comfortable accommodations for devout Muslims that make the journey to the city every year during the Hajj period. Within a composite building’s primary structural elements.Īt the heart of the holiest Islamic city, Makkah Royal Clock Tower brings an air of modernization to the bustling historic center of Mecca. Where known, the CTBUH database breaks out the materials used Examples include buildings which utilize: steel columns with a floor system of reinforcedĬoncrete beams a steel frame system with a concrete core concrete-encased steel columns Ĭoncrete-filled steel tubes etc. steel, concrete, timber) are used together in the main structuralĮlements. ForĮxample, a Steel Over Concrete indicates an all-steel structural system located on top of anĪll-concrete structural system, with the opposite true of Concrete Over Steel.Ī combination of materials (e.g. all-steel, all-concrete, all-timber), one on top of the other. Or concrete slab on top of timber beams is still considered an “all-timber” structure as theĬoncrete elements are not acting as the primary structure. Note that a building of timber construction with a floor system of concrete planks An all-timber structure may include the use of localized non-timber connections between Reinforced concrete which has been precast as individual components and assembled togetherįrom timber. Note that a building of steel construction with a floor system of concrete planks orĬoncrete slab on top of steel beams is still considered an “all-steel” structure as the concreteĮlements are not acting as the primary structure.įrom concrete which has been cast in place and utilizes steel reinforcement bars and/or steel Both the main vertical/lateral structural elements and the floor spanning systems are constructedįrom steel.
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