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TurningTorso 瑞典扭转大厦 英文分析


TURNING TORSO
ARCH631 Structural Case Study
Katie Bodolus Cameron Burke Cameron Christian Lance Kubiak Lauren Sobecki

Introduction Background Concept Structural Features Slab Core Spine Foundation Structural Analysis Lateral Loads Wind Loads Construction Fa?ade References

OUTLINE
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Architect: Santiago Calatrava Location: Malmo, Sweden Design: 1999-2001 Construction: 2001-2005 Type: Residential Tower Structure: Core and Slabs (concrete) Exoskeleton: Steel Height: 623ft. Levels: 56 Fa?ade Area: 215,278ft.2 Net Floor Area: 227,710ft.2

BACKGROUND
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Based on the sculpture, “Twisting Torso” exploring the human body in motion, twisting as far as it can naturally being pushed while staying directly upright
Form is made up of 9 cubes, each individual cube containing five stories

CONCEPT
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Twists 90 degrees from the ground level to the top floor

CONCEPT
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Each floor consists of a square section around the core and a triangular part supported by an external steel structure
The central core is supported by a foundation slab

The corner of each floor is a concrete column supported by a pile foundation

STRUCTURE
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The structural slab is fitted around the core
The forms for the structural slab are triangular shapes, together forming a floor The forms were rotated 1.6 degrees for each floor in order to create the characteristic twist of the building

SLAB
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The core is the main loadbearing structure
Large concrete pipe, with an inner diameter of 35ft. The walls are 8ft. Thick at the bottom, gradually shifting to 1ft. thick at the top The elevator shafts and staircases are located inside the core

CORE
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The steel support is located on the exterior of the building, which is linked together by the spine, acting as the loading backbone from the winds
The steel support transfers shear forces to the supporting concrete core. Each steel section of the spine has to fit precisely in the one below it

SPINE
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The system consists of a spine column at the corner of each floor plus horizontal and diagonal elements that reach to each side of the glazed spine
Stabilizers also connect the floor slabs with the framework

SPINE
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The tower rests on piles driven into a foundation of solid limestone bedrock at 49ft. below ground level Avoids unacceptable bending or swaying

FOUNDATION
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Steel Spine Cantilever Floor Slab Concrete Core Foundation

LATERAL LOADS
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Steel Spine Cantilever Floor Slab Concrete Core Foundation

LATERAL LOADS
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Steel Spine Cantilever Floor Slab Concrete Core Foundation

LATERAL LOADS
Introduction Structural Components Structural Analysis Construction References

Steel Spine Cantilever Floor Slab Concrete Core Foundation

LATERAL LOADS
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The twisted form can be very effective, alleviating the effects of vortex-shedding induced by lateral wind loads and minimizing the wind loads from prevailing direction

WIND LOADS
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When analyzing the structure under wind loads, Calatrava found that the Turning Torso could move up to 3ft. at the top during the most severe storm
Giant pins attached to the ground were then implemented, decreasing the movement to less than a foot during the most severe storm, which is nearly unnoticeable

WIND LOADS
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Deflection

Axial

MULTIFRAME
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Shear

Moment

MULTIFRAME
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The building was constructed using an Automatic Climbing Structure This four story workhouse climbs up the building as each floor is completed

CONSTRUCTION
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First, it shapes the concrete core, then a large ground pump draws the concrete to fill the forms After the concrete is poured, the ACS climbs

CONSTRUCTION
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Next, table form sections are lifted up with a crane, and provide a place to set rebar Concrete is again pumped up to form the floor slabs
Before the table slabs are moved to the next floor, they are removed and inspected on the ground

CONSTRUCTION
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Double curved glass and aluminum fa?ade
2,800 curved panels and 2,250 flat windows in the fa?ade In order to follow the twist of the building, the windows are leaning between 0 and 7 degrees either inwards on the western fa?ade or outwards on the eastern fa?ade

FA?ADE
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Turning Torso twists new life into cubism, Elias, Helen -The Architects' Journal; Sep 2, 2004; 220, 8; ProQuest Kjell Tryggestad & Susse Georg (2011): How objects shape logics in construction, Culture and Organization, 17:3, 181-197 Spirito, Gianpaola, and Antonino Terranova. New Urban Giants: the Ultimate Skyscrapers. Vercelli, Italy: White Star, 2008. Print. "Santiago Calatrava: Turning Torso Tower." Architecture and Urbanism 420 (2009): 26-33. Print. http://www.peri.in/ww/en/projects.cfm/fuseaction/diashow/reference_ID/458/currentimage/6/reference category_ID/6.cfm http://www.flickr.com/photos/dahlstroms/930478070/in/photostream/ http://www.hsb.se/malmo/turningtorso/in-english http://rustamkhairi.fotopages.com/?&page=12 http://danmorrissey.wordpress.com/ http://www.scribd.com/doc/61614381/The-Shape-From-Behind-to-Beyond http://www.e-architect.co.uk/sweden/turning_torso_malmo.htm

REFERENCES
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Complicated glass and aluminum fa?ade Double curved to compensate for twisting building 2,800 curved panels and 2,250 flat windows in the facade. In order to follow the twist of the building, the windows are leaning either inwards or outwards, depending on which side of the building they are on. On the western side they are leaning inwards and on the eastern, outwards. This leaning of the windows is between 0 and 7 degrees, while the lateral leaning is about 6 degrees.

THANK YOU.

FA?ADE
Introduction

Structural Features

Structural Analysis Conclusion

References


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