7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 1/82

The Star 

Design and construction of

The Star Performing Arts Centre / Star Vista

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 2/82

Presentation Outline

• Project Team

• Project Site Location• Project Brief 

• Structural Design

Challenges

• Steel Composite Design• Offsite Fabrication &

Logistic

• Construction Methodology

• Progress Photos

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 3/82

Project Team

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 4/82

Project Team

Client Rock Production Pte Ltd

 Architect Aedas Pte Ltd

C&S Engineer Parsons Brinckerhoff Pte Ltd

M&E Engineer Mott MacDonald Pte Ltd

Contractor Hexacon Construction Pte Ltd

Project Manager 

CapitaLand Retail Project

Management Pte Ltd

Quantity Surveyor Langdon & Seah Singapore

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 5/82

Project Site Location

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 6/82

Project site location

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 7/82

Project Brief 

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 8/82

Project Data Sheet

Total GFA 62,000m2

Commercial 24,000m2

Institutional & Others 38,000m2

Total Car park lots 810

B2 269

B3 263

B4 278

Total auditorium seats 5142

Main floor  1903

1st Tier  1808

2nd Tier  1431

 Amphitheatre 55m x 20m

Building height 85.70m

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 9/82

Building function

Cultural use

Retail

Car parking

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 10/82

Building function

HIGH OPEN ATRIUM SPACE

 AND RETAILS

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 11/82

Building function

 Auditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 12/82

Building function

The Star Terrace

Outdoor Amphitheatre

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 13/82

Building function

The Star Gallery

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 14/82

Building function

The Star Loft

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 15/82

Diaphragm WallBored Pile

RC Flat Slab

(Car park)

RC Beam & Slab

(Retail)

Composite Slab

(Offices /

auditorium)

Steel Trusses

(Auditorium)

RC Columns

Core Walls

Structural system

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 16/82

Structural Design Challenges

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 17/82

Structural Design Challenges

1. Deep excavation

adjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 18/82

Structural Design Challenges

1. Deep excavation

adjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 19/82

   R   o   c    h   e   s   t   e   r   D   r   i   v

   e

Vista Exchange Green

Deep excavation adjacent to railway protection zone

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 20/82

Deep excavation adjacent to railway protection zone

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 21/82

Monitoring Instrumentations

Tilt meter Inclinometer Water Stand PipeSettlement Marker Vibration meter

Deep excavation adjacent to railway protection zone

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 22/82

Deep excavation adjacent to railway protection zone

Diaphragm wall panelings

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 23/82

Control excavation sequence

Zone by Zone Excavation and Casting

Deep excavation adjacent to railway protection zone

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 24/82

`

2.7mm

6.7mm

7.3mm8.5mm

9.6mm

9.6mm

2.1mm

Final viaduct pier movement

Deep excavation adjacent to railway protection zone

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 25/82

Structural Design Challenges

1. Deep excavation

adjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 26/82

Excavation below MRT Viaduct

SECTION D-D

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 27/82

Excavation below MRT Viaduct

STEP 1 STEP 2 STEP 3

STEP 4 STEP 5 STEP 6

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 28/82

Excavation below MRT Viaduct

Deploy small excavator

Excavate down 1m

Expose Pilecap

Construct wall & further excavate

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 29/82

Excavation below MRT Viaduct

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 30/82

Structural Design Challenges

1. Deep excavation

adjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 31/82

Inclined Columns and Lateral Forces

Slender Inclined Columns

• Sizes range from 800ø to 2300ø• 22 numbers

• Inclined angles 5 to 20 degree

from vertical

C

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 32/82

Inclined Columns and Lateral Forces

3-D computer Modeling

TEKLA Model

ETABS Model

I li d C l d L t l F

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 33/82

Design loads

 – Lateral forces due to Inclinedcolumn at random direction

 – Disproportionate collapse load

 – Horizontal and vertical load

B1

L5

   1   s   t   M   o    d   e

MODAL Analysis

   2   n    d

   M   o    d   e

   3   r    d   M   o    d   e

Inclined Columns and Lateral Forces

Elevation Plan view

I li d C l d L t l F

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 34/82

Triangular lateral t ie beams

L6 Main Auditorium Floor

L5 Auditorium Lobby Floor

Inclined Columns and Lateral Forces

I li d C l d L t l F

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 35/82

Column head and tie beams at B1

Inclined Columns and Lateral Forces

I li d C l d L t l F

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 36/82

Inclined Columns and Lateral Forces

Temporary Support and tie-back for inclined column

during construction

Tie-back and Props to main structure

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 37/82

Structural Design Challenges

1. Deep excavationadjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

C l C ti D t il

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 38/82

Column joint Detail

• External ring plate to receive incoming steel beams• Cast in shear stud / anchor rebars

• Slotted web plate in column for canti lever beam

Complex Connection Detail

Typical Tube

connection Detail

C l C ti D t il

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 39/82

L3 Long Cantilever connection

• FEM connection Analysis

Complex Connection Detail

Comple Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 40/82

L3 Long Cantilever connection

• FEM connection Analysis

Complex Connection Detail

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 41/82

L3 Long Cantilever connection

• FEM connection Analysis

• Strengthening :

 –  Enlarged external ring plate

 –   Add slot web plate within column

Complex Connection Detail

Without strengthening

With strengthening

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 42/82

L3 Cantilever box girder 

Complex Connection Detail

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 43/82

Complex Connection Detail (C23)

• Enlarged column head• 3D detailing to reveal rebar arrangement

Complex Connection Detail

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 44/82

Complex Connection Detail

Double Roof Truss

• Column Inclined

• Truss in vertical plane

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 45/82

Complex Connection Detail

Auditorium Wall Truss

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 46/82

Complex Connection Detail

Raker Truss

Complex Connection Detail

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 47/82

Complex Connection Detail

Roof Truss

Structural Design Challenges

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 48/82

Structural Design Challenges

1. Deep excavationadjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge design

6. Vibration design ofauditorium

Sky Bridge Design

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 49/82

Pre-camber / deflect ion design

consideration

 –  Original design intent (3 supports)

 –  Temporary hoisting (2 supports)

 –  Construction sequence

• Precamber deflection• Hoisting deflection

• Preload Macalloy bar deflection

• Superimposed dead load

deflection

Sky Bridge Design

Sky Bridge Design

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 50/82

Sky bridge – Precamber magnitude

110mm

90mm

70mm

60mm

100mm

Original design intent

With Hoisting consideration

Support 1 Support 2

Support 3

L  o c  a t   i   o n 1 

L  o c  a t   i   o n 2 

Support 1 Support 2

Sky Bridge Design

Structural Design Challenges

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 51/82

Structural Design Challenges

1. Deep excavationadjacent RailwayProtection Zone

2. Excavation belowMRT viaduct

3. Inclined columnsand lateral forces

4. Complex connectiondetails

5. Sky bridge Design

6. Vibration design ofauditorium

Vibration Design of Auditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 52/82

 Auditorium Vibration requirement

Vibration Design of Auditorium

Vibration Design of Auditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 53/82

Performance-based Approach

 – BRE Digest 426 – 6.0Hz, with acceleration of 5%g

 – Concrete encasement for 2 plate girders at main

floor and cantilever truss at 1st Tier balcony

Vibration Design of Auditorium

Vibration Design of Auditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 54/82

Vibration Test

Main Floor  1st Tier balcony 2nd Tier balcony

Vibration Design of Auditorium

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 55/82

Steel Composite Design

Steel Composite Design

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 56/82

Why composite system ?

Less structural self-weight

Minimize falsework / scaffolding

Fast construction

Better utilization of material strength

Steel Composite Design

Steel Composite Design

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 57/82

Steel Composite Design

Fastrak Model

Steel Composite Design

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 58/82

Steel Composite Design

Composite deck

Fireproofing

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 59/82

Offsite Fabrication & Logistic

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 60/82

Offsite Fabrication & Logistic

Storage Yard Tube with stiffener Shear stud in tube

Truss joints Cast-in plates Tube connection

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 61/82

Offsite Fabrication & Logistic

Double Roof Truss PPBW Preparation

Welding Preparation Flange join by weld

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 62/82

O s e ab ca o & og s c

Thick Steel Plate Welding preparation

Assemble Plate Girder Welding process

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 63/82

g

Roof Truss setting out Welding

Testing welds Ready for painting

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 64/82

g

Sky bridge trusses fabrication

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 65/82

g

Double trusses fabrication

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 66/82

g

Wall Trusses Fabrication

Offsite Fabrication & Logistic

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 67/82

g

Amphitheatre Column Tube & box girder assembly

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 68/82

Construction Methodology

Top down construction

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 69/82

p

Excavate, install D-wall & Pile with Plunge-in columns

Existing Ground Level

Top down construction

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 70/82

Concurrently construct basement and super-structure

Top down construction

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 71/82

Complete basement, continue super-structure

Top down construction

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 72/82

Rebar work for B1 beams Excavation after casting

Excavation to B2 level Rebar work for B2 beams

Top down construction

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 73/82

Column Casting

 Amphitheatre column tube installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 74/82

Amphitheatre Column Tube Installation

 Amphitheatre box girder installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 75/82

Amphitheatre box girder Erection

Wall Truss installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 76/82

Raker Truss Installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 77/82

Erect Temporary support

Erect 1st Tier

Erect 1st Tier

Finished 1st Tier

Erect 2nd Tier

Finished 2nd Tier

Double Roof Truss installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 78/82

Setting up of Jacking

Frame    L   i   f   t   i  n  g  u  p

   f  r  o  m    G

  r  o  u  n   d

   t  o  r  o  o   f

Roof Truss installation

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 79/82

Erection on Temporary staging from auditorium main floor

Site welding on temporary working platform joining the truss modules

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 80/82

Progress Photos

Aug 09 Dec 09 May 10

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 81/82

Sep 10 Mar 11 Jun 11

Jan 12 Mar 12 Aug 12

7/18/2019 Lecture 1

http://slidepdf.com/reader/full/lecture-1-5692031e8854a 82/82

Thank You