BURJ DUBAI ANALYSIS

1
BURJ DUBAI ANALYSIS

• Wind displacement
• Flexure w/o columns
• Flexure with columns
• Shear
• Seismic displacement
• Wind stress
• Seismic stress
• Buckling

2
26.22m
15.83m
10.65m
SCALED PLANwidth94m
18.72m
9.18m
21.22m
9.18m
23.72m
9.18m
8.08m
7.51m
16.89m
12.29m
8.81m
9.96m
4.40m
1
2
4.40m
3
2.57m
4
5
3
SHEAR AREA

• Hexagonal Core
• Buttress / Corridor

4
SHEAR AREAS

• Floor A(ft2) Floor A(ft2)
• 5 1585.6 2 431.2
• 4 2/3 1467.0 1 2/3 431.2
• 4 1/3 1333.9 1 1/3 431.2
• 4 1200.8 1 431.2
• 3 2/3 1082.2 0 2/3 431.2
• 3 1/3 949.1 0 1/3 431.2
• 3 816.0 0 431.2
• 2 2/3 697.4
• 2 1/3 564.3

5
HEXAGONAL CORE
6
BUTTRESS / CORRIDOR 2
7
BUTTRESS / CORRIDOR 3
8
BUTTRESS / CORRIDOR 4
9
INERTIA W/O COLUMNS

• Floor I(ft4) Floor I(ft4)
• 5 8982948 2 541928
• 4 2/3 5933213 1 2/3 541928
• 4 1/3 5159730 1 1/3 541928
• 4 4386247 1 541928
• 3 2/3 2648458 0 2/3 541928
• 3 1/3 2202961 0 1/3 541928
• 3 1757464 0 541928
• 2 2/3 961840
• 2 1/3 751884

10
COLUMN PAIR 1
11
COLUMN PAIR 2
12
COLUMN PAIR 3
13
COLUMN PAIR 4
14
COLUMN PAIR 5
15
INERTIA WITH COLUMNS

• Floor I(ft4) Floor I(ft4)
• 5 16802918 2 1814823
• 4 2/3 11784857 1 2/3 1250837
• 4 1/3 10489116 1 1/3 1044540
• 4 9193375 1 838243
• 3 2/3 6089282 0 2/3 736286
• 3 1/3 5262012 0 1/3 643885
• 3 4434742 0 541928
• 2 2/3 2771727
• 2 1/3 2293275

16
DISTANCE FROM CENTROID

• 12.29m4(9.18m)49.01m160.8ft
• 12.29m3(9.18m)39.83m130.7ft
• 49.01m(sin30)8.11m(cos30)31.53m103.4ft
• 12.29m2(9.18m)30.65m100.6ft
• 39.83m(sin30)9.36m(cos30)28.02m91.9ft
• 12.29m9.18m21.47m70.4ft
• 30.65m(sin30)10.61m(cos30)24.51m80.4ft
• 12.29m40.3ft
• 21.47m(sin30)11.86m(cos30)21.01m68.9ft
• 12.29m(sin30)13.11m(cos30)17.50m57.4ft

17
DISTANCE FROM CENTROID

• Floor c(ft) Floor c(ft)
• 5 160.8 2 70.4
• 4 2/3 130.7 1 2/3 68.9
• 4 1/3 130.7 1 1/3 68.9
• 4 130.7 1 57.4
• 3 2/3 100.6 0 2/3 57.4
• 3 1/3 100.6 0 1/3 40.3
• 3 100.6 0 40.3
• 2 2/3 80.4
• 2 1/3 80.4

18
CONCRETE PROPERTIES

• E 6300ksi 907200ksf
• Strength 11.6ksi 1670.4ksf
• Poissons ratio 0.25 ? G 2E/5

19
ANALYSIS ASSUMPTIONS

• Assume base is top of podium
• total height 818m-36.7m 781.3m
• 2563ft
• Allowable wind drift h/400
• Allowable seismic drift h/200

20
RESULTS

• Wind displace ? 0.48 level 158
• Flexure w/o columns ? 11.69ft
• Flexure with columns ? 4.82ft
• Shear ? 0.10ft
• Reported ? 1.45m 4.76ft
• Seismic disp ? 0.68 level 158
• Wind stress ? 3.00 level 7
• Seismic stress ? 2.39 level 76
• Buckling ? 4.63 level 43

21
(No Transcript)
22
(No Transcript)