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The Technology building to resist wind load and earthquake | SMEE Kamchann
_____________________________________________________________________________________
1Edited by SMEE Kamchann
The Bank of China Tower
The Bank of China Tower was built in Hong Kong, 1989 by Architect: I.M. Pei on the 8000 m2
plot Area with the 370m eight. The glass façades of the building reflect the light and its
surroundings, so it is like a bright and shiny white crystal. The whole structure is supported by
the four steel columns at the corners of the building and one in the center of the building, with
the triangular frameworks transferring the weight of the structure onto these five columns. It is
covered with glass curtain walls.
Loads action effected to the high rise building Bank of China Tower (Under construction)
2. The Designing resists wind load and/or earthquake
The foundation
It was set by several caissons. The caisson foundation consists of concrete columns constructed
in cylindrical shafts excavated under the proposed structural column location. It carries the building load
at their lower end, which are often bell-sharped. Concrete is placed(poured)into steel forms built up along
the perimeter of the box
The Technology building to resist wind load and earthquake | SMEE Kamchann
_____________________________________________________________________________________
2Edited by SMEE Kamchann
Column
The shape causes eccentric load. Off-center loads would cause excessive stresses in columns. The
solution is that using uniform shear force mechanism that could counteract and eliminate the bending. The
system is outstanding of its economy of material.
Shear Wall
Only a small portion of the loads carried to the service cores in the lower floors flows directly to the
foundations.
Story 51 and 52 Story 38
Story 25 Story 4
• Cross baces methode
The architect used a less steel for the building’s construction. The cross braces and triangular framework
of the building are designed to withstand typhoons and make structurally effective:
• Triangular shape as most structural stable geometry
• Carries building load, and reduces use of steel by 30% as compared to typical column and beam
system
The Technology building to resist wind load and earthquake | SMEE Kamchann
_____________________________________________________________________________________
3Edited by SMEE Kamchann
Truss
• Common structural element in architecture.
• Steel members are joined together into triangular shapes, which are able to resist external
forces.
• When joined together, these triangles can form large truss systems that can span long distances.
 Earthquake
There are a number of stategies that can be used to reduce the impact of earthquakes in this building. the
buidling can never be made totally earthquake proof. However there are a number of ways that existing
buildings can be made more resistant to earthquake damage.
New building can be designed to have a number of structural features which are more likely to
provide resistance to the damaging effects of earthquakes. Structural damage could still occure, buth the
saftety of the people inside the buildings is greatly enhaced by these special features.
• Base isolation
This works by essentially separating the building from
the moving ground during an earthquake. It will move
with the ground, buth the movement to the rest of the
building is minimised by the provision of special features.
Base Isolation system
• Diagonal Bracing
Shearing forces as distinct to push and
pull forces, can cause tremendous damage to buildings.
Diagonal bracing helps to minimise the effect to these
shearing forces during an earthquake.
• Passive damping
It involves using a range of techniques. The main objective is to absorb the energy without allowing it to
impace on the main structure of the building. Certain methods use materials which will deform easily and
therefore absorb the energy, without breaking. Other techniques inclide the use of large masses which are
The Technology building to resist wind load and earthquake | SMEE Kamchann
_____________________________________________________________________________________
4Edited by SMEE Kamchann
made to move out of phase with the movement caused by the earthquake. This tends to cancel out the
disturbace, just like a trough of a wave in water meeting a crest of the wave will result in calm water(
Destructive interference in waves…)
Reference : http://slideplayer.com/slide/10483437/
https://www.slideshare.net/Tarique048/caisson-foundationppt
https://www.slideshare.net/tudorgeog/earthquake-3-ps-nsr

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The technologies of building resists the wind load and earthquake

  • 1. The Technology building to resist wind load and earthquake | SMEE Kamchann _____________________________________________________________________________________ 1Edited by SMEE Kamchann The Bank of China Tower The Bank of China Tower was built in Hong Kong, 1989 by Architect: I.M. Pei on the 8000 m2 plot Area with the 370m eight. The glass façades of the building reflect the light and its surroundings, so it is like a bright and shiny white crystal. The whole structure is supported by the four steel columns at the corners of the building and one in the center of the building, with the triangular frameworks transferring the weight of the structure onto these five columns. It is covered with glass curtain walls. Loads action effected to the high rise building Bank of China Tower (Under construction) 2. The Designing resists wind load and/or earthquake The foundation It was set by several caissons. The caisson foundation consists of concrete columns constructed in cylindrical shafts excavated under the proposed structural column location. It carries the building load at their lower end, which are often bell-sharped. Concrete is placed(poured)into steel forms built up along the perimeter of the box
  • 2. The Technology building to resist wind load and earthquake | SMEE Kamchann _____________________________________________________________________________________ 2Edited by SMEE Kamchann Column The shape causes eccentric load. Off-center loads would cause excessive stresses in columns. The solution is that using uniform shear force mechanism that could counteract and eliminate the bending. The system is outstanding of its economy of material. Shear Wall Only a small portion of the loads carried to the service cores in the lower floors flows directly to the foundations. Story 51 and 52 Story 38 Story 25 Story 4 • Cross baces methode The architect used a less steel for the building’s construction. The cross braces and triangular framework of the building are designed to withstand typhoons and make structurally effective: • Triangular shape as most structural stable geometry • Carries building load, and reduces use of steel by 30% as compared to typical column and beam system
  • 3. The Technology building to resist wind load and earthquake | SMEE Kamchann _____________________________________________________________________________________ 3Edited by SMEE Kamchann Truss • Common structural element in architecture. • Steel members are joined together into triangular shapes, which are able to resist external forces. • When joined together, these triangles can form large truss systems that can span long distances.  Earthquake There are a number of stategies that can be used to reduce the impact of earthquakes in this building. the buidling can never be made totally earthquake proof. However there are a number of ways that existing buildings can be made more resistant to earthquake damage. New building can be designed to have a number of structural features which are more likely to provide resistance to the damaging effects of earthquakes. Structural damage could still occure, buth the saftety of the people inside the buildings is greatly enhaced by these special features. • Base isolation This works by essentially separating the building from the moving ground during an earthquake. It will move with the ground, buth the movement to the rest of the building is minimised by the provision of special features. Base Isolation system • Diagonal Bracing Shearing forces as distinct to push and pull forces, can cause tremendous damage to buildings. Diagonal bracing helps to minimise the effect to these shearing forces during an earthquake. • Passive damping It involves using a range of techniques. The main objective is to absorb the energy without allowing it to impace on the main structure of the building. Certain methods use materials which will deform easily and therefore absorb the energy, without breaking. Other techniques inclide the use of large masses which are
  • 4. The Technology building to resist wind load and earthquake | SMEE Kamchann _____________________________________________________________________________________ 4Edited by SMEE Kamchann made to move out of phase with the movement caused by the earthquake. This tends to cancel out the disturbace, just like a trough of a wave in water meeting a crest of the wave will result in calm water( Destructive interference in waves…) Reference : http://slideplayer.com/slide/10483437/ https://www.slideshare.net/Tarique048/caisson-foundationppt https://www.slideshare.net/tudorgeog/earthquake-3-ps-nsr