Canton Tower Engineering the Elegance

Transcription

1 Canton Tower Engineering the Elegance Feng Jun LIN, Director, Arup 林奉军, 董事, 奥雅纳工程顾问 19 October, 2016

2 Canton Tower The Slim Waist Lady 小蛮腰

3 Canton Tower 600 m 450 m Site Area: Total Gross Floor Area (GFA): Below Plaza GFA: Tower GFA: 175,460 sqm 114,054 sqm 69,779 sqm 44,275 sqm The Tower is designed for: 7,000 visitors on Weekdays and 15,000 visitors on Festive Days Construction Period:

4 Architectural Functions

5 The World s Tallest Amusement Park

6 New Icon of Guangzhou

7 Design Team Architect: IBA (Information Based Architecture) Engineer: Arup Structure / Geotechnical Wind Building Services Fire Engineering Special Effect Lighting LDI: GZDI (Guangzhou Design Institute)

8 Form and Shape Evolution

9 Form & Shape Evolution Densification of rings

10 Form & Shape Evolution Core Size Top Ellipse Base Ellipse Plan at waist

11 Form & Shape Evolution Aspect Waist = 7.3 Aspect Base = 7.5

12 Total Design Approach

13 Total Design Geometry 多遇地震人工时程波(竖向) Wind climate 0.6 Wind action 0.5 s g in 0.4 Temperature effect d l i u B ll Seismic a T at n t i o Construction b l i a c H n Fire engineering u an o C rb Material du Computational fluidan 0.2 加速度(m/s Stability dynamic Comfortability Performance design approach 时间(T) 广州太阳轨迹图 80

14 Structural System

15 Structural Design Challenges - Study and specify the performance based comfort design and lateral building deflection limit. - Accurate assessment of wind loading. - Structural design to achieve a perfect architectural/structural form. - Ensure constructability of tower, costeffective design and control the construction cost to within the project budget.

16 Structural System : tube in tube Dual Defense System for Lateral Stability 14 x 17 Core wall = + Outside Tube = 24 Columns Ring Beams Bracings

17 Structural System : Antenna Upper Steel Structure (Closed Structure) Middle Steel Structure (Latticed) Lower Transfer Structure

18 Structural System : Eccentric Joint

19 Wind Engineering Study

20 Wind Engineering Wind Shielding Coefficient Shape Factor Coefficient

21 Wind Engineering Wind Climate study Topographic study Sectional Structural load test Areoelastic model study Sectional Cladding Pressure Study Cladding Pressure study Wind Engineering Study Flowchart Wind effect analysis Wind force & Acceleration results Wind pressure Distribution

22 Wind Engineering - ACCURATELY ASSESS THE WIND LOAD, TO ENSURE STRUCTURAL SAFETY - WIND ENGINEERING STUDY INCLUDE: (Wind Climate Study) - APPOINTED GUANGDONG PROVINCE CLIMATE CENTRE - COLLECT 167 NUMBER WIND DATA RECORD FROM TO CARRY OUT THE MONTE-CARLO STUDY

23 Wind Engineering Wind Tunnel Test Site Topography & Physiognomy Test Entire models to measure wind pressure Sectional models cladding pressure test Sectional models to measure wind forces Full aeroelastic model to measure wind force

24 Wind Engineering Site Topography Test Maximum loads combination (kn) Wind Tunnel Test Graph of Tower Top Deflection 高度 (m) 现场地形地貌试验平均风速剖面 GB (Cat C) 0 deg 45 deg 90 deg 135 deg 180 deg 225 deg 270 deg 315 deg 315 deg 平均风速, Uz/UR Results of Tower Acceleration under Wind Load from the Aero-elastic Model Limiting Acceleration for the Return Period 限值 H/ 最大位移 1.77m Wind Tunnel Test Result m 1.07m 1.68m m m m Limiting Value 10 years 0.255m/s m/s m 1.56m years 0.155m/s m/s 2 1 year <0.1m/s m/s 2

25 Thermal Effect Analysis

26 Thermal Effects Simulation Analysis Tower Structure and physical property 3D modeling Build model calculation Various of structure temperature analysis Maximum increase of Structure temperature analysis Maximum increase of temperature under the global warming Parameter setting Consideration Climate data Climate Sun radiation Wind speed Outdoor temperature Consideration Global warming

27 Thermal Effects Simulation Analysis C C Case 1 Temperature increase/ decrease on all structural elements C C Case 2 Temperature increase/ decrease on exposure elements C C Case 3 Temperature increase/ decrease on one side

28 Other Structural Analysis

29 Structural Analysis - Elastic Z Period Results of GSA (Including P-Δ effects) Results of Sap2000 (Including P-Δ effects) T T T Y X O Mode 1 Mode 2 Mode 3 GSA model Sap2000 model

30 Structural Analysis Overall Buckling Columns Rings Bracings

31 Non-linear Analysis under Severe Earthquake Results of Outside Tube Few columns will reach the plastic stage under rare earthquake load case

32 Non-linear Analysis under Severe Earthquake The elastro plastic response of Inner core The elastro plastic response of Antenna and Transfer Truss

33 Joint Design and Analysis d l i u B ll a T at n t i o b l i a c H n u an o C rb du an s g in

34 Damper TMD MTMD TMD

35 Structural Health Monitor Anemometer Accelerometer Seismograph

36 Seismic Design Shaking Table Test Model Scale 1:50

37 Constructability Studies

38 Segmental Erection of Steelwork 1. Column one section of length of 8-12 metres including the connecting joint with ring and diagonal. 2. Diagonal 8-12 metres long. 3. Ring 3-6 metres long 立柱 Column 环构件 Ring 斜撑 Bracing The tonnage of the segmental column is limited to 30 tones maximum for lifting weight reason.

39 Engineer Envisaged Construction Sequence Estimated completion in May 2009

40 Construction Process Completed on Schedule

41 Construction Process Completed on Schedule 高度 Height: 610m 10m = 600m 航空限高原因, 天线桅杆缩短 10m. Due the aviation restriction, the antenna should be shortened by 10 meter.

42 12 November, 2010 The 16th Asian Games Openning Ceremony, Guangzhou, China

43 The Three Tallest Towers in Guangzhou

44 The Zhujiang New Town, Guangzhou Begin your presentation on this slide. 请于此页插入幻灯片正文

45 Thank You