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    Wind Load BNBC-2017 & ASCE 7-05

    Uploaded by

    naim
    This document provides data and equations for analyzing wind loads on buildings in Bangladesh, including basic wind speeds for locations, importance factors, directionality factors, and equations for calculating wind pressure. It includes input data for a sample building: height of 31.6992 m, located in Habiganj, occupancy category II, exposure type B, and width and length of 11.9634 m and 12.5476 m respectively. Calculated values for wind direction, gust factor, and other parameters are also provided.

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    Wind Load BNBC-2017 & ASCE 7-05

    Uploaded by

    naim
    146 views13 pages
    This document provides data and equations for analyzing wind loads on buildings in Bangladesh, including basic wind speeds for locations, importance factors, directionality factors, and equations for calculating wind pressure. It includes input data for a sample building: height of 31.6992 m, located in Habiganj, occupancy category II, exposure type B, and width and length of 11.9634 m and 12.5476 m respectively. Calculated values for wind direction, gust factor, and other parameters are also provided.

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    Wind Load BNBC-2017 & ASCE 7-05.xlsx

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    This document provides data and equations for analyzing wind loads on buildings in Bangladesh, including basic wind speeds for locations, importance factors, directionality factors, and equations for calculating wind pressure. It includes input data for a sample building: height of 31.6992 m, located in Habiganj, occupancy category II, exposure type B, and width and length of 11.9634 m and 12.5476 m respectively. Calculated values for wind direction, gust factor, and other parameters are also provided.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    146 views13 pages

    Wind Load BNBC-2017 & ASCE 7-05

    Uploaded by

    naim
    This document provides data and equations for analyzing wind loads on buildings in Bangladesh, including basic wind speeds for locations, importance factors, directionality factors, and equations for calculating wind pressure. It includes input data for a sample building: height of 31.6992 m, located in Habiganj, occupancy category II, exposure type B, and width and length of 11.9634 m and 12.5476 m respectively. Calculated values for wind direction, gust factor, and other parameters are also provided.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    of 13
    At a glance
    Powered by AI
    The document provides data on basic wind speeds, importance factors, directionality factors, exposure types and topographical factors for different locations in Bangladesh. It also mentions structural types and their directionality factors. Equations are given for calculating basic wind speed and terrain exposure constants.

    On pages 3-5, tables 6.2.8 and 6.2.9 provide basic wind speed data and importance factors for different locations in Bangladesh. Pages 10-13 also contain data on terrain exposure constants.

    On page 6, it lists different structure types like buildings, chimneys, towers etc and their corresponding directionality factors. On page 7, it also mentions structure types and their directionality factors in a table.

    This is the Poperty of Scho

    This Channel are Manageing By SM Hedaetullah


    Support us And stay
    This file is only for edicational Perpo

    Input and Select Data For Analysis


    Hight of the Building (m)-->
    Select Location -->
    Occupancy Category-->
    Exposure Type-->
    Sturucture type (For Kd)-->
    Topographical Factor (Kzt)-->
    Length of Building Along-X Direction=
    Length of Building Along-Y Direction=
    Wind Direction Perpendicular to
    Width of the Building, B =
    Length of the Building, L =
    This is the Poperty of School of civil Engineering

    e Manageing By SM Hedaetullah And N.J. Disha (B.Sc. In Civil Enginee


    Support us And stay connected
    This file is only for edicational Perpose. Pls don't misuse it.

    and Select Data For Analysis


    31.6992
    Habiganj
    II
    B
    Buildings-Components and Cladding
    1
    11.9634 in m
    12.5476 in m
    X 90
    11.9634 in m
    12.5476 in m
    ing

    In Civil Engineering)

    Required Data For Etbas Input


    Basic Wind Speed (mph) 121.2421
    Importance Factor (I) 1.0000
    Directionality Factor (Kd) 0.8500
    Exposure type B
    Topographical Factor (Kzt) 1.0000
    Gust Factor 0.8729

    2.23694
    Table 6.2.8: Basic Wind Speeds, V, for Selected Table 6.2.9: Importance Factor, I (Wind
    Locations in Bangladesh Loads)
    Cyclone Prone
    Location
    Basic Wind Speed Occupancy Regions with Cyclone Prone
    (m/s) Category V = 38-44 Regions with V >
    m/s 44 m/s
    Angarpota 47.8 I 0.87 0.77
    Bagerhat 77.5 II 1 1
    Bandarban 62.5 III 1.15 1.15
    Barguna 80 IV 1.15 1.15
    Barisal 78.7
    Bhola 69.5
    Bogra 61.9
    Brahmanbaria 56.7
    Chandpur 50.6
    Chapai Nawabganj 41.4
    Chittagong 80
    Chuadanga 61.9
    Comilla 61.4
    Cox’s Bazar 80
    Dahagram 47.8
    Dhaka 65.7
    Dinajpur 41.4
    Faridpur 63.1
    Feni 64.1
    Gaibandha 65.6
    Gazipur 66.5
    Gopalganj 74.5
    Habiganj 54.2
    Hatiya 80
    Ishurdi 69.5
    Joypurhat 56.7
    Jamalpur 56.7
    Jessore 64.1
    Jhalakati 80
    Jhenaidah 65
    Khagrachhari 56.7
    Khulna 73.3
    Kutubdia 80
    Kishoreganj 64.7
    Kurigram 65.6
    Kushtia 66.9
    Lakshmipur 51.2
    Lalmonirhat 63.7
    Madaripur 68.1
    Magura 65
    Manikganj 58.2
    Meherpur 58.2
    Maheshkhali 80
    Moulvibazar 53
    Munshiganj 57.1
    Mymensingh 67.4
    Naogaon 55.2
    Narail 68.6
    Narayanganj 61.1
    Narsinghdi 59.7
    Natore 61.9
    Netrokona 65.6
    Nilphamari 44.7
    Noakhali 57.1
    Pabna 63.1
    Panchagarh 41.4
    Patuakhali 80
    Pirojpur 80
    Rajbari 59.1
    Rajshahi 49.2
    Rangamati 56.7
    Rangpur 65.3
    Satkhira 57.6
    Shariatpur 61.9
    Sherpur 62.5
    Sirajganj 50.6
    Srimangal 50.6
    St. Martin’s Island 80
    Sunamganj 61.1
    Sylhet 61.1
    Sandwip 80
    Tangail 50.6
    Teknaf 80
    Thakurgaon 41.4
    Directionality
    Structure Type Factor Kd

    Buildings-Main Wind Force Resisting System 0.85


    Buildings-Components and Cladding 0.85
    Arched Roofs 0.85
    Chimneys, Tanks, and Similar Structures-Square 0.9

    Chimneys, Tanks, and Similar Structures-Hexagonal 0.95

    Chimneys, Tanks, and Similar Structures-Round 0.95


    Open Signs and Lattice Framework 0.85
    Trussed Towers-Triangular, square, rectangular 0.85
    Trussed Towers-All other cross section 0.95
    Structure type Ct m

    Concrete moment-resisting frames CMRF 0.0466 0.9


    Steel moment-resisting frames SMRF 0.0724 0.8
    Eccentrically braced steel frame EBSF 0.0731 0.75
    All other structural systems AOSS 0.0488 0.75
    SUBSCRIBE ''School of Civil Engineering'' YOUTUBE CHANNEL FOR IMPORTANT TUTORIALS.
    Length of Building Along-X 39 ft or m
    Direction=
    Length of Building Along-Y 24 ft or m
    Direction=
    Height of the Building, H = 48 ft or m
    Wind Direction Perpendicular Y 0 degree in Etabs
    to
    Width of the Building, B = 24 ft or m
    Length of the Building, L = 39 ft or m

    H/B = 2.00
    L/B = 1.63
    X

    Y
    Lz = 173.3105
    Q= 0.889343
    Iz = 0.179679
    G= 0.872854

    Table 6.2.10: Te
    Exposure α Zg (m)
    A 7 365.76

    B 9.5 274.32

    C 11.5 213.36

    C= 0.2
    ∈ ̅ 0.2
    Ehos z bar= 19.01952
    l (m) = 152.4
    Table 6.2.10: Terrain Exposure Constants
    â 𝒃 ̂ ᾱ 𝒃 ̅ c l (m) ∈ ̅
    0.142857 0.84 0.25 0.45 0.3 97.54 0.333333333
    0.105263157894737 1 0.15384615385 0.65 0.2 152.4 0.2
    0.086956521739131 1.07 0.11111111111 0.8 0.15 198.12 0.125
    zmin (m)*
    9.14
    4.57
    2.13

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