Shell Structures

Addis Ababa University Institute of Technology Civil Engineering Department Structural Engineering

Shell Structure Assignment on Hyperbolic Shell

By:-Surafel Tsegaye ID.No. GSR/1927/03

Submitted to: - Dr. Shfiraw Taye

Date 05/08/2011

Assignment on Hyperbolic Shell Hyperbolic Shell

z

r

Dimensions a=32.65m ru=34m Zu=37m Zt=112m

b=127.3556

⁄

⁄

ψ=75.6208 cos(ψ)=0.2483 tan(ψ)=3.9006 Loading Using ACI 350-01 Dead load factor of 1.4

Addis Ababa University, Institute of Technology, Civil Engineering Department, Structural Engineering | Surafel Tsegaye

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Assignment on Hyperbolic Shell
Dead Load g=24*0.2*1.4=6.72KN/m Live Load 20KN/m The calculation is done in every 1 meter elevation and it’s tabulated. The table is filling using the following formulas below √
2

⁄

[

]

⁄

Due to Self weight √

√ Due to Line load(Live Load) at the top P

Addis Ababa University, Institute of Technology, Civil Engineering Department, Structural Engineering | Surafel Tsegaye

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Assignment on Hyperbolic Shell

Level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

r(m) 34 33.9 33.9 33.8 33.7 33.7 33.6 33.5 33.5 33.4 33.4 33.3 33.3 33.2 33.2 33.1 33.1 33.1 33 33 32.9 32.9 32.9 32.8 32.8 32.8 32.8 32.8 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.7 32.8 32.8 32.8 32.8 32.8 32.9 32.9 32.9

z(m) -37 -36 -35 -34 -33 -32 -31 -30 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Sin(φ) 0.997 0.998 0.998 0.998 0.998 0.998 0.998 0.998 0.998 0.998 0.999 0.999 0.999 0.999 0.999 0.999 0.999 0.999 0.999 0.999 0.999 0.999 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.999 0.999

r1(m) -565.3 -561.6 -557.9 -554.4 -551 -547.7 -544.6 -541.5 -538.5 -535.6 -532.9