- Civil Engineering
- Design of Steel Structures
- The external wind pressure acting on a r...

Q. |
## The external wind pressure acting on a roof depends on |

A. | degree of permeability of roof |

B. | slope of roof |

C. | both (a) and (b) |

D. | none of the above |

Answer» B. slope of roof |

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Design of Steel Structures

- For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (Where p is basic wind pressure)
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