Petronas Twin Towers
mikdbow (Premium member) > albums > Kuala Lumpur, Malaysia
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The 'composite' structure of the Towers employs both the flexibility of steel and the rigidity of high-strength concrete. Each component material was used to best effect in constructing the 452 m-high buildings. About 80,000 cubic metres of high strength concrete with 37,000 tons of steel were used to form the frames of both Towers. Of particular importance was maintaining the verticality of the structures throughout the full height as they were being built. The reason for this, besides reinforcing the aesthetic design, were to ensure structural load integrity and the safe passage of the high-speed double-decker elevators. The determination of verticality was monitored by international specialist surveyors who, with the aid of global positioning systems, checked alignments every day and every night. The same surveyor used the same instrument at the same time in every 24 hours, thereby minimising any element of differences in judgment.
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