marina bay sands - sky park cantilever
TRANSCRIPT
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Marina Bay Sands Sky Park Cantilever
VC Cheong
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51 Marina Bay Sands Integrated Resort 2007 - 2010
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52
Esplanade
Marina Bay
Marina Bay Sands
Merlion
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53 Overall View
Skypark
Steel Roof Event Plaza
Crystal
Pavilion
Promenade - Retail
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54 Project Organization
Marina Bay Sands (MBS)
Moshe Safdie Associates (MSA) / Aedas
Arup
C&S/Traffic
Parson
Brinckerhoff
(MEP)
Arup
Facade
Arup
Acoustic
Arup Site
Supervision
Arup
Fire
Arup
Security
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55
Scope Demarcation Between Offices
Advanced Contracts (Singapore)
Conceptual & Schematic Design (Boston/New York/Hong Kong)
Design Development (Hong Kong/Singapore)
Tender Documentation (Hong Kong/Singapore)
Detailed Design (Hong Kong/Singapore)
Authority Submission (Singapore)
Construction Documentation (Hong Kong/Singapore)
Site Supervision (Singapore)
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56 Arup Offices
Hong Kong
Singapore
Sydney
London
Shenzhen
Manila
Melbourne
Brisbane
Boston
New York
New York
Singapore
Hong Kong
Sydney
London
Melbourne
Boston
Brisbane
Shenzhen
Manila
Newcastle
Newcastle
Involved for Skypark Design
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57 Project Communication Chart
Design and Construction Stage
Coordination
with MSA
Lead by AEDAS
• Museum Steelwork (schematic design)
• Risk and Security
• Podium Steel Roof
• Hotel Towers
• Foundation
Site Supervision
• Acoustic, Façade
and Fire
• Sky park
•Podium Concrete Structure
• Museum Steel works (detail design)
• Infrastructure
Arup HK in Singapore
• Project Management
• Podium coordination
• Geotechnical works
Coordination with MSA
Lead by AEDAS
• Traffic
ARUP
MELBOURNE
AEDAS EXECUTIVE
ARCHITECT
MSA CONCEPTUAL
ARCHITECT
MBS CLIENT
ARUP
HK/SHZ
ARUP
SINGAPORE
ARUP
Brisbane
ARUP
SYDNEY
ARUP
NEWCASTLE Dynamics Studies on
SkyPark Peer Review on
SkyPark Design
ARUP
LONDON
ARUP
NEW YORK
ARUP
BOSTON
•
••Podium
•Museum
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58
SkyPark Engineering Facts
Skypark length 340 m
Steelwork tonnage 7,700 tons (permanent) &
4,400 tons (temporary)
Cantilever length 65 m
Cantilever weight 3,500 tons
Lifting of cantilever structure 13 weeks
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59
Cantilever Structural Design Movement & Dynamics
Tight Construction Programme Lifting Methodology
MBS – SkyPark Cantilever
Design Challenges
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60 Design Challenges
Cantilever Structural Design
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61 Structural Layout at L56
65m Cantilever
MJ MJ MJ MJ
Truss Truss
Box Girder
4.6
5m
/ 6.1
5m
10m
Steel Frame with columns at 10mc/c columns at 10mc/c
Steel Frame with
4.6
5m
/ 6.1
5m
TOWER 1 TOWER 2 TOWER 3
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62 Cantilever Section – Design Evolution
SCHEME 1 --- SPACE TRUSS
CONSTRUCTED FROM I-SECTIONS
SCHEME 2 ---RAISED LANDSCAPE
DECK ALTERNATIVE
SCHEME 3 --- BOX GIRDERS WITH
CROSS BEAM
SCHEME 4 --- PT Box Girder (Final Scheme)
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63 Cantilever Section
Plan
Elev.
4m wide x 3.55m ~10m deep box girder
1.25m/ 1.75m
dp. transverse
plate girder at
4.2m c/c
175/ 225mm
thk.
composite
deck slab
4m wide x 3.55m ~10m deep box girder
Column
support
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64 Fabrication & Erection of Steel Frames
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65 Rendering of V & W Columns
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66 Design Challenges
Movement & Dynamics
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67 Movement Joint
Gravity : 150mm (Irreversible)
Wind: +/- 250mm (Reversible)
Seismic: +/- 600mm (Reversible)
Maximum Anticipated Movement
Sufficient “travelling
distance” during
seismic event
HOTEL
TOWER
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68 Movement Joints (Bearings)
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69
Bending of Cantilever with Tower Sway Torsional Mode
First Bending Mode Second Bending Mode
Purpose of Dynamic Studies
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70
4No 15T TMDs
(PRELIMINARY
SCHEME)
1No 5T TMD (Final
Scheme)
Tuned Mass Damper
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71 Tuned Mass Damper
5T Tuned
Mass
Damper
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72 Dynamic Studies – In situ Testing
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73
Almost 150 people
participated jumping test at
tip of the cantilever
2010.05.26
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74
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75 Key Findings
Measured Mode 1: Predicted Mode 1:
Predicted Mode 3: Measured Mode 3:
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76 76 Crowd Management
Viewing Platform
Maximum capacity of 600
people for general use.
Dancing activities are not
recommended
Outdoor Restaurant Terrace
Limit to 470 people for
general dancing with
restricted access to all viewing
platform
Indoor Restaurant
Limit to 345 people for
general dancing with
restricted access to all viewing
platform
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77 Design Challenges
Construction Methods
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78 Installation at L55/56/57 & Roofing
Assembly at Level 1
Heavy lifting to L55
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79 Lifting of Bridge Trusses
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80 Lifting of Bridge Trusses
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81 Bridge Trusses being slided into position
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82 Lifting of Bridge Trusses
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83 Lifting Gantries for Cantilever Backspan
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84 Lifting of Cantilever Backspan
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85 Lifting of Cantilever Backspan
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86 Lifting of Cantilever Backspan
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87 Lifting of Cantilever Segments
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88 Lifting of Cantilever Segments
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89 Lifting of Cantilever Segments
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90 Lifting of Cantilever Segments
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91 Lifting of Cantilever Segments
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92 Lifting of Cantilever Segments
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93
skypark
Overview of SkyPark
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94 Fabrication of Box Girders
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95 Backspan with 10m deep section
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96 Lifting - In Action
Segment 5 (24th December 2009)
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99 Design Challenges
Challenge Against Time
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100 Tight Construction Programme and Collaboration with Arup Offices
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101 101
What Values have been brought to Arup?
Successful Cross Regional Collaboration Irrespective of Cultural Differences
Skills and Experience Sharing among Offices and Staff
Created Good Bonding and Networking Between Offices/Staff
Enhanced Arup’s Reputation and Business Opportunities
Enriched Arup’s Portfolio of World-class Iconic Projects
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102 Marina Bay Sands Integrated Resort 2007 - 2010
Thank You