METU M BS536 METU M BSat 36 METU M 536 536 MET M ETU

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METU M BS536 METU M BSat 36 METU M 536 536 MET M ETU
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MIDDLE EAST TECHNICAL UNIVERSITY
DEPARTMENT OF ARCHITECTURE / BUILDING SCIENCE PROGRAM
BS 536
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GS: DESIGN CONSID
STUDIES ON TALL BUILDINGS:
CONSIDERATIONS
Fall 2010-2011
010-2011
TU
Case Study:
Cas
y: O-14
by
da Karabulut
Seda
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Modernn concept of Functionalism
Functiona
Structural
arrangement
tructural Expressionism_”Matter-Force”
Expressionism_”Mat
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The concrete perforated
erforated structural exoskeleton;
-frees the core from burden of lateral
late forces
ws the column-free office space
-allows
-acts as a sunscreen
-has 1326 openings in differe
different sizes in a random pattern
-is used for both gravity and lateral forces
The core is minimize
minimized for only;
-vertical loading
loading, utilities, transportation
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(Ref.
Ref. 1)
O-14 SHELL STRESS DIAGRAM
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CHIMNEY EFFECT
FECT
This passive solar technique is a natural
component of the cooling system of O-14,
reducing energy consumption and
costs by more than% 30.
(Ref: Ctbuh journal, Reiser&Umemoto, 2010 issue III)
Drawn by Seda Karabulut
(Ref. 1)
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O-144 stress diagram is analyzed
an
with a collaboration between the architect and the engineer
ed on a feedback system.
sy
based
Gravity and lateral forces are applied to identify stresses in the elements between the openings.
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(Ref. 1)
STRUCTURAL HEIGHT / STORIES : 106 m/ 24 (Ref. 3)
STATUS : Completed
CONSTRUCTION END: Fall 2010
CONTRACTOR : Dubai Contracting Company (Ref. 3)
STRUCTURAL SYSTEM :
Folded Exoskeleton (Ref. 1)
Diagrid Concrete Exterior Structure (Re
(Ref: 6)
Diagrid Trussed Tube (Ref. 8))
at
OWNER / DEVELOPER: Creekside Developmen
Development Corporation
ARCHITECTS: Reiserr + Umemoto RUR Architec
Architecture P.C.
L ENGINEER: Ysrael A Seinuk P
STRUCTURAL
PC
REA: 15,852
852 sq.m (Ref
TOTAL AREA:
(Ref. 3)
LDING FOOTPRI
BUILDING
FOOTPRINT: 557 m² ((typical Office Floor) (Ref. 7)
ATORS: 3+1 Servicel
ELEVATORS:
Servicelift (Ref. 7)
„
The aspect ratio1
ratio106/37=3.50
„
The NFA/G
NFA/GFA=620/757=0.819
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THE PATTERN
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Shell modulates according to;
-Structural Requirements
minosity
-Views, Sun Exposure, Luminosity
enings based on their sizes.
sizes
5 different types of openings
ning diameter is 1.4m and
The smallest opening
the longest opening diameter is 8.3 m
o
The overallll void ratio created by openings
%45
is approximately %45.
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(Ref. 1).
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(Ref. 1)
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(Ref. 4)
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(Ref. 7)
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CONNECTIONS BETWEEN SHELL AND SLABS AND GLASS
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GROUND FLOOR_ISOMETRIC
FIRST
IRST AND SECOND FLOOR_ISOMETRIC
IRS
The pattern design is
a combination of,
- capillary branching field
- gradients of vertical
articulation
rtical articula
- opacity
-environmental
onmental effects
-a structural
ructural field
-a turbulence
rbulence field
fiel
which are not solely pprogrammatic, economic and environmentally related.
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THE LOCATùON OF THE BUILDING
Thee tower generated an extraordinary international interest,
as it’s among the very
v first innovative designs in Dubai’s current building boom.
THE PATTERN
(Ref. 1)
(Ref.
Ref. 1)
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THIRD FLOOR_ISOMETRIC
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(Ref. 4)
Guasi-diagonal
-diagonal grid patterns are reinforced accordingly to
stresses.
address shear stresse
25 mm diameter ba
bars in largest openings
16 mm diamete
diameter bars in the smallest openings.
PLAN
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THE LOCATION OF THE BUILDING
The O-14 tower is;
ness Bay in Dubai,
Duba
On the Business
on the waterfront esplanade.
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TOWER ISOMETRIC_UPPER FLOORS
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(Ref.
ef. 1)
THE EXOSKELETON
O-14 TOWER, Dubai, United Arab Emirates
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mitted to: Assoc.Prof.Dr.
Assoc
Submitted
Mehmet Halis Günel
Arch. H.Emre IlgÕn (MSc.)
ARCHITECTURAL EXPRESSION
Case Study: O-14 by Seda Karabulut
Submitted to: Günel, IlgÕn – Fall 2010
(Photos:www.skyscrapercity.com)
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BASEMENT FLOOR_ISOMETRIC
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(Ref. 4)
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SLAB CONNECTION TO EXTERIOR WALL
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THE SECTION
(Ref. 1)
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The exterior shell is picked up by a 1.20 m deep ring beam
following the irregular outline of the wall.
The ground floor slab transfers lateral forces to the
walls
basement core shear walls and additional shear walls.
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Underground parking is also of flat plate with the garage
rage
columns spaced approximately
ly 6 to 7,5 m apart.
apa
The fourth basementt level acts as a pressure slab
sl with
thickness varying
ying from 1 to 1,8 m.
Building
ing support is comprised of ddrilled cast-in-place-piles.
(Ref. 1)
(R
ELEVATIONS
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NIGHT VIEWS
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References
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PERSPECTIVE
CONCRETE CASTING SYSTEM
Step 1: polystyrene void forms in the rebar
ar
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Drawn by Seda Karabulut
(Ref. 1)
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Drawn by Seda Karabulut
Ka
(Ref. 7)
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(Ref. 1)
PODIUM AND INTERIOR
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1- Reiser J., Umemoto N., Ocampo J., ‘Case
e Study: O-14 Folded Exoskeleton’,
Exos
CTBUH Journal 2010 Issue III.
2- Ocampo J., ‘O-14 Elegant Rhythms in Concrete’, Structure Magazine, Jan 2010.
3- CTBUH, www.ctbuh.org, ‘O-14’.
4’.
lus, www.architecturenewsplus.com/projects/533,
www.archit
news
4- Architecture News Plus,
‘O-14’.
5- Concrete Technology
Today, ‘O-14’,
nology Today
4’, 2008 Issue.
on K.S., ‘Structural Developments
Develo
6- Ali M., Moon
in Tall Buildings: Current Trends
ure Prospects’,
Pro
Architectura
and Future
Architectural Science Review, Vol 50-3, 2007.
Mid
7- Design Magazine for Middle
East and Nort Africa, http://desmena.com/?p=170,
14’.
‘O-14’.
8- Gunel M.H., Ilgin H.E., ‘Yüksek Binalar: TaúÕyÕcÕ Sistem ve Aerodinamik Form’,
ODTÜ MimarlÕk Fakültesi BasÕm øúli÷i – METU Faculty of Architecture Press, 2010.
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PERSPECTIVE
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PODIUM AND INTERIOR
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Step 2: casting a floor
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CEILING PHOTOGRAPHS
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Step 3: mov
movement of the scaffolding
Overview of the process
(Ref. 7)
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