Petronas Towers Template
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Transcript of Petronas Towers Template
7/18/2019 Petronas Towers Template
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Petronas Towers, Malaysia
Ben Berwick
Charles Cunliffe
Chris Delia
Peter Gorgas
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Petronas Towers
• Location: Kuala Lumpur, Malaysia
• Constructed: 1992–1998
• Use: Office
• Antenna or spire: 451.9 m (1,482.6 ft)
• Roof: 378.6 m (1,242.1 ft)
• Top floor: 375.0 m (1,230.3 ft)
• Floor count: 88
•
Floor area: 395,000 m
2
(4,252,000 sq ft)(1& 2)
• Elevators: 78 (1 & 2)
• Cost: 1,6 billion
• Features a Skybridge
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Site Exploration
• More Than 200 Borings
– 8m on center
• 260 In-Situ Pressure meter Tests
• 2, 3500-ton Pile Load Tests
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Site Details
• Original Proposed Location:
– Porous Subterranean Limestone Cliff
• Extended from surface to a depth of 395ft.
•Susceptible to sinkholes
• Moved 200ft. to avoid Limestone Cliff
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Site Details
• New Location
– Limestone Rock Formations
• Significant Amount of Cavities
– “Kenny Hill” Formation
• Stiff Sandy Layer
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Ground Improvement
• Fluid Grouting of Limestone Bedrock
– 2300 m
3
of fluid grout in Tower 1, and
1100 m
3
in Tower 2
•Compaction Grouting of Slump Zone
– 900 m
3
of compaction grout
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Foundations
• 208 Rectanglular Barrette Foundations
– 1.2 m x 2.8 m plan dimensions
– 60m to 130m deep
– Post Grouted
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Summary
• Structure Overview
• Site Exploration
– 200 borings
– Pile load tests
– Pressure meter test
• Site Details
– Limestone
–
Kenny Hill
• Ground Improvement
– Fluid grouting
– Compaction grouting
•Foundations
– 200 rect. barrette piles
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References
• “THE PETRONAS TOWERS, KUALA LUMPUR, MALAYSIA,” January
2010. <http://isites.h
arvard.edu/fs/docs/icb.topic30774.files/2-8_Petronas.pdf>.
• “THE PETRONAS TWIN TOWER,” January 2010.
<http://mcleon.tripod.com/tower2.htm>.
• “Tallest buildings in the world,” January 2010.
<http://www.herdaily.com/travel/4941/tallest-buildings-in-
the-world.html>.
• “Petronas Towers Base,” January 2010.
<http://www.thepetronastowers.com/petronas-towers-
base/>.
• “Geotechnical Challenges in the Design and Construction of
Petronas Towers,” Clyde N. Baker, P.E., S.E., Hon.M.ASCE.
ASCE. Geo-Strata, ASCE (pdf).
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QUESTIONS?