Capital Gate
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Transcript of Capital Gate
Special topic in structural Engineering
Capital Gate Abu Dhabi
Bara AlRefai United Arab Emirates University
Capital Gate ❖ 160 m tall ❖ 35 stories ❖ Inclined 18 degree to west.❖ Capital gate title four
times more than the Tower of Pisa.
❖ It got Guinness certificate for furthest leaning man mad tower.
Capital Gate
❖
Capital Gate ❖ Cost $233 million.❖ 600 people labor force
participate in construction.❖ Two year of constriction.❖ Completed in 2011.❖ Total Area :53,100 square
meter.❖ Mainly used for hotel and
offices.
Structural system❖ Concrete core surrounded
by two steel truss (diagrid system).
❖ External and internal diagrid system (lateral load resisting system).
❖ Steel beam support concrete floor & run between two diagrid system.
Structural system❖ Outriggers are horizontal trusses
connect building core distant structural element.
❖ Used to increase strength and overturning stiffness.
❖ The dense outriggers system started to be used from17th mechanical floor.
❖ Mainly used to resist wind load.
Foundation
❖ Rectangular raft footing.❖ 2 m depth and 7000 cubic
meter reinforced concrete.❖ 490 piles.❖ Each has 1 m diameter.❖ Half under compression
with depth of 20 m.❖ Other half under testation
with depth of 30 m.
Loads calculations
❖ Source:❖ https://
sites.google.com/site/group5capitalgate/structure/i-analysis-and-description
Irregularity that Should be taken in consideration ❖ The flowing Vertical
Irregularities that may exist in Capital Gate Abu Dhabi :
1. Stiffness irregularity.2. Mass irregularity.❖ The flowing plan
Irregularities that may exist in Capital Gate Abu Dhabi :
1. Torsional irregularity.2. Diaphragm Discontinuity.3. Out-of-plane Offsets of
vertical Element.
Thank You
References ❖ www.rmjm.com/the-architects-perspective-the-c
apital-gate❖ www.e-architect.co.uk/dubai/capital-gate-abu-dh
abi❖ www.economist.com/blogs/dailychart/2011/10/le
aning-buildings❖ www.slideshare.net/nayanrao1/seminar-on-capit
al-gate-building❖ https://sites.google.com/site/group5capitalgate/s
tructure/iii-drawings-and-diagrams❖ https://
store.ctbuh.org/PDF_Previews/Books/2012_CTBUHOutriggerGuide_Preview.pdf