# received_321342501918225.jpeg - Building height 79.2 m...

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Unformatted text preview: Building height : 79.2 m Interpolating linearity 0 . 98 + ( 79. 2 - 75 )| 1.03 - 0.98 = 0. 98 84 ~ 0. 19 100 - 75\ Mycat = 0. 99\ ( Table 4.1 ) ( Clause AS 1 170. 2) Step 9 :1 h = 79 .2 As : number of apound shielding buildings with 45' sector of radius 20 * 79. 2 = 1584 m| and hs ? Z assume] Z = height of building 79.2 7 .` Approx 10 buildings in Adelaide > 79.2 m [ sky scraper centre. com ) *+ assume As = \$10 for conservativety. he = 110 m assuming shielding buildings are average \$10 m tall` bs = 40 m assuming shielding buildings are average 40r in breadth` 15 79.2 ( 10 + 5 )_ = 475. 2 S 475 2_ _ 7. 1639 - 7. 2 [ Clause 4 . 3 . 3 ) ( AS / 170. 2 ) | 1 10 X 40| linear interpolation of M.` 2.9 + ( 7.2 - 6.0 )_ 10 - 0^_ = 0.92| 12 - 6) Ms = 0.92| ( Table 4.3 ) ( AS 1 1702 ) Step 10.` Assume M . = 1.0 due to insufficient information. Step 11 :` Design of enclosed building : Evaluation of Aerodynamic Shape Factor ( Clause 52 ) [ A5 /170 2 ) 9 ) Chug; = Cox Kci\ ( Equation 5.2 ( 1) Internal pressure ( Fig.e . Cox Kake, KIK, ( Equation 5.2 ( 2 ) ) External pressures* Ching : Crkok __^ \( Equation 5:2 ( 3 ) Frictional Drag forces. Step 1 2\ Same as step 1!`...
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