Marina Bay Sands - Sky Park Cantilever

Marina Bay Sands Sky Park Cantilever

VC Cheong

51

Marina Bay Sands Integrated Resort 2007 - 2010

Marina Bay Sands Merlion

Marina Bay Esplanade

52

Skypark

Event Plaza

Crystal Pavilion Promenade - Retail

53

Overall View

Steel Roof

Marina Bay Sands (MBS) Moshe Safdie Associates (MSA) / Aedas

Arup C&S/Traffic

54

Arup Facade

Project Organization

Arup Fire

Arup Acoustic

Arup Security

Arup Site Supervision

Parson Brinckerhoff (MEP)

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)












55

Boston New York Hong Kong Singapore Newcastle

Melbourne

London Boston New York

Brisbane

Shenzhen Hong Kong

Sydney London

Manila Singapore

Newcastle

Brisbane Sydney

Manila Shenzhen 56

Arup Offices Involved for Skypark Design

Melbourne

Design and Construction Stage •
Museum Steelwork (schematic design)

ARUP MELBOURNE •
 
  
•
  
ARUP NEW YORK

•
Risk and Security

ARUP BOSTON

Coordination with MSA Lead by AEDAS

•
Podium •
Museum

MSA

AEDAS

CONCEPTUAL ARCHITECT

EXECUTIVE ARCHITECT

MBS ARUP Brisbane

CLIENT

•

Traffic •

Sky park •
Podium Concrete Structure •
Museum Steel works (detail design)

•
Infrastructure

Coordination with MSA Lead by AEDAS

ARUP HK/SHZ

ARUP SYDNEY

Arup HK in Singapore •
Project Management •
Podium coordination •
Geotechnical works Peer Review on SkyPark Design

57

Project Communication Chart

ARUP NEWCASTLE

ARUP SINGAPORE

•

Podium Steel Roof •
Hotel Towers •
Foundation Site Supervision •
Acoustic, Façade and Fire

ARUP LONDON

Dynamics Studies on SkyPark

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











13 weeks
Lifting of cantilever structure

58

Design Challenges

59

Cantilever Structural Design

Movement & Dynamics

Lifting Methodology

Tight Construction Programme

MBS – SkyPark Cantilever

Cantilever Structural Design

60

Design Challenges

MJ

MJ

MJ

MJ

Box Girder

ever

antil 65m C

ith

Steel Frame with

s at 10m

c/c

Structural Layout at L56

columns at 10mc/c

4.65m/ 6.15m

TOWER 1

61

Truss

Truss

TOWER 2

TOWER 3

10m

column

rame w

4.65m/ 6.15m

Steel F

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)

62

Cantilever Section – Design Evolution

4m wide x 3.55m ~10m deep box girder Column support

Plan

1.25m/ 1.75m dp. transverse plate girder at 4.2m c/c

175/ 225mm thk. composite deck slab

Elev.

4m wide x 3.55m ~10m deep box girder 63

Cantilever Section

64

Fabrication & Erection of Steel Frames

65

Rendering of V & W Columns

Movement & Dynamics

66

Design Challenges

Maximum Anticipated Movement Gravity : Wind: Seismic:

HOTEL TOWER

67

Sufficient “travelling distance” during seismic event

Movement Joint

150mm (Irreversible) +/- 250mm (Reversible) +/- 600mm (Reversible)

68

Movement Joints (Bearings)

69

Bending of Cantilever with Tower Sway

Torsional Mode

First Bending Mode

Second Bending Mode

Purpose of Dynamic Studies

1No 5T TMD (Final Scheme)

4No 15T TMDs (PRELIMINARY SCHEME)

70

Tuned Mass Damper

5T Tuned Mass Damper

71

Tuned Mass Damper

72

Dynamic Studies – In situ Testing

Almost 150 people participated jumping test at tip of the cantilever

2010.05.26 73

74

75

Measured Mode 1:

Predicted Mode 1:

Measured Mode 3:

Predicted Mode 3:

Key Findings

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

76

Crowd Management

Construction Methods

77

Design Challenges

Heavy lifting to L55

Assembly at Level 1

78

Installation at L55/56/57 & Roofing

79

Lifting of Bridge Trusses

80

Lifting of Bridge Trusses

81

Bridge Trusses being slided into position

82

Lifting of Bridge Trusses

83

Lifting Gantries for Cantilever Backspan

84

Lifting of Cantilever Backspan

85

Lifting of Cantilever Backspan

86

Lifting of Cantilever Backspan

87

Lifting of Cantilever Segments

88

Lifting of Cantilever Segments

89

Lifting of Cantilever Segments

90

Lifting of Cantilever Segments

91

Lifting of Cantilever Segments

92

Lifting of Cantilever Segments

skypark

93

Overview of SkyPark

94

Fabrication of Box Girders

95

Backspan with 10m deep section

Segment 5 (24th December 2009)

96

Lifting - In Action





Challenge Against Time

99

Design Challenges

100

Tight Construction Programme and Collaboration with Arup Offices

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

101

Thank You 102

Marina Bay Sands Integrated Resort 2007 - 2010