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AQUA TOWER.

OBJECTIVE:
In this design ; I have depicted a tall skyscraper with a system already installed in it to prevent it from the risk of being shaken up or pulled down by strong winds or any seismic activity / disturbance.

ENGINEERING DRAWINGS:



DESIGN SPECIFICATIONS:
  1. The design consists of a large central tapering tube i.e; it becomes narrower as it reaches the height.
  2. The tube is filled with water and compressed air. As natural the air stays atop of the tube. 
  3. The tube is attached to the internal walls of the building by means of a system composed of springs , cables and bars. 
  4. As the air bubble inside a "surface level" equipment always stays atop and provides information about elevation of the surface. Along with this the air bubble also exerts pressure on the molecules of the liquid and through that liquid to the walls of the containing tube in a "surface level" equipment.
  5. As obvious the pressure exerted in case of a single bubble in a "surface level" is almost zero but in case of a large tube or vessel filled with water and air under pressure is different and enormous. 
  6. As we know that the lateral pressures or wind pressures over the building becomes higher as the height increases. So as the wind or earthquake tries to shake the building or deviate it from its erected angle ; the tube filled with water and compressed air exerts its own internal pressure in the opposite direction over the walls and prevents the building from being shaken or deviated from its erected angle.
  7. As stated earlier the wind blows harder as it reaches the height and exerts much more pressure on the upper sections of the building than on the basal sections. Therefore the tube is made tapered i.e; the tube becomes narrower as it reaches the height. Thus exerting more pressure over the upper sections of the building than lower or basal sections thus making it more stable and invulnerable. 
  8. So if the external pressure of wind or earthquake on the building is taken as "action" and the internal pressure generated by compressed air and water molecules in the tube taken as "reaction" then the equation or net effect should be equal and opposite in direction i.e; the  external force applied over the building and the angle to which it is deviated from its original position must be equal to internal force transmitted from the tapering tube to the walls and the angle to which it is drawn back to it's original position.
  9. In figure 2 an air bubble is shown. As air bubble always stays perpendicular to the surface therefore if the tube tilts from its original position still then the bubble tends to keep itself perpendicular to the surface and changes its angle and position. So if a tube tilts 20 degrees then bubble also tilts to 20 degrees but the bubble recoils and restores to its original position and angle i.e. 90 degrees. And during this transition of bubble from its original position to deviated position and from deviated position to its original position it applies force to the walls of the tube tending the tube also to become perpendicular to the surface. 
  10. This system or design is able to keep the building stable and withstand all the external forces or lateral pressures acting on it.
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