Aerodynamics is one of the most important aspects to consider. While constructing a structure a structure. As the building slenderness and height increases, the wind load response become dominant. Wind response for building is highly influenced by the geometry, angle of wind incidence, openings, presence of adjoining structures and wind flow characteristics. Generally, buildings are designed by architects having regular shapes such as square, rectangular, circular or octagonal plan shapes. Information regarding pressure and force coefficients are provided in various codes and standards that are used for computation of wind load on a building structure. However, the extent of data that has been given is for few isolated shapes and for few angles of incidence. Wind, being one of most devastating natural calamities, causes sometimes so much high wind force that led to failure of structures. Many researches have been carried out to find out the methods to reduce the wind load effects. Different methods are being employed all over the world under the name of modification of buildings geometry such as, introducing composite plan shape buildings with different height ratios, corner modifications, varying the building shapes with height, optimal interference from adjoining building, bridging of closely spaced buildings etc. to minimize the wind load responses. In this review paper, an attempt is made to enumerate various researches which have been done to reduce and mitigate the wind load effects on tall buildings.

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A Review Paper on Aerodynamic Mitigation Techniques for Tall Buildings

  • Payal Devi,
  • Ritu Raj,
  • Nirendra Dev

摘要

Aerodynamics is one of the most important aspects to consider. While constructing a structure a structure. As the building slenderness and height increases, the wind load response become dominant. Wind response for building is highly influenced by the geometry, angle of wind incidence, openings, presence of adjoining structures and wind flow characteristics. Generally, buildings are designed by architects having regular shapes such as square, rectangular, circular or octagonal plan shapes. Information regarding pressure and force coefficients are provided in various codes and standards that are used for computation of wind load on a building structure. However, the extent of data that has been given is for few isolated shapes and for few angles of incidence. Wind, being one of most devastating natural calamities, causes sometimes so much high wind force that led to failure of structures. Many researches have been carried out to find out the methods to reduce the wind load effects. Different methods are being employed all over the world under the name of modification of buildings geometry such as, introducing composite plan shape buildings with different height ratios, corner modifications, varying the building shapes with height, optimal interference from adjoining building, bridging of closely spaced buildings etc. to minimize the wind load responses. In this review paper, an attempt is made to enumerate various researches which have been done to reduce and mitigate the wind load effects on tall buildings.