Civil Stuffs

The Petronus tower

  1. Normally the sky scrappers made of steel but Malaysia didnt have steel industry to meet demand, import would have costed very high.
  2. It has abundant cement and lime so it was decided to built it of concrete that was never done before. Height of building was supposedly 500 m.
  3. Concrete was needed to be M 140 (20 k pound/sq inch). Added silica to reduce air holes and make it strong.
  4. base was huge piles and raft as foundation has lime stone.
  5. Islamic architecture. 
  6. laying raft in 52 hours to prevent uneven drying and cracking. Heavy rained so covered with huge canvas tent  and then poured.
  7. Otis elevator manufacturer were literally the discoverer of elevators .


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