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2015-2016Global Urban Development
ProgramSichuan University &
Stanford University joint project
ChengduSichuan University
China
1 Introduction2 Transportation 3 Public Space4 ConclusionsContents
Introduction 1
Global Urban Development Program - Sichuan University
ChengduIntroductionIntroduction Research Area Research ProcessChengduIntroduction
How does Chengdu look like?
China
Sichuan Province
Chengdu
Global Urban Development Program - Sichuan University
ChengduIntroductionIntroduction Research Area Research ProcessChengduIntroduction
How does Chengdu perform in sustainability?
Global Urban Development Program - Sichuan University
Residential AreaBusiness SpaceGreen RoofGreen Roof
Green RoofBusiness Space
Business Space
What are the principles of choosing indicators?
Evaluation background indicators application
• Accessibility
• Completeness
• Simplicity
Background
Why do we need an evaluation system of indicators?
• Get a quick understanding of Chengdu’s sustainability
Global Urban Development Program - Sichuan University
Residential AreaBusiness SpaceGreen RoofGreen Roof
Green RoofBusiness Space
Business Space
Evaluation Background Indicators Application
Green economic
Living quality
Technology
• Energy consumption per unit GDP• Water consumption per unit GDP• Sulfur dioxide emissions per unit GDP• Waste water per unit GDP
• Days of relatively good air quality*• Green land per capita• Hospital beds every 10,100 people
• R&D expenditure per GDP• Granted patent approval per GDP
Indicators
*:equal to or above Grade Ⅱ
Global Urban Development Program - Sichuan University
Residential AreaBusiness SpaceGreen RoofGreen Roof
Green RoofBusiness Space
Business SpaceEfficiency Of Resource Utilization
Evaluation Background Indicators Application
Data source: the National statistical Bureau
2008 2009 2010 2011 2012 20130
0.2
0.4
0.6
0.8
1
1.2
Energy consumption per unit GDP
Chengdu Beijing National average
year
tons
of S
CE
per
ten
thou
sand
yua
n
Global Urban Development Program - Sichuan University
Residential AreaBusiness SpaceGreen RoofGreen Roof
Green RoofBusiness Space
Business SpaceAir Quality
Evaluation Background Indicators Application
Data source : National statistical Bureau
*:equal to or above Grade Ⅱ
2008 2009 2010 2011 2012 2013100
150
200
250
300
350
400
Days of relatively good air quality*
Chengdu Beijing Shanghai
Year
Day
s
Global Urban Development Program - Sichuan University
Residential AreaBusiness SpaceGreen RoofGreen Roof
Green RoofBusiness Space
Business SpaceChengdu’s Performance Compared With Other Areas
Evaluation Background Indicators Application
Quite good
Normal
Very challenging
Hospital beds every 10,000 people
Sulfur Dioxide Emission per unit GDP R&D expenditure per unit GDP Green land per capita
Water Consumption per unit GDP
Energy Consumption per unit GDP
Days of quality equal to or above Grade Ⅱ Granted patent approval of GDP
Global Urban Development Program - Sichuan University
Research Area: Chengdu Hi-Tech Zone (south)
IntroductionIntroduction Research Area Research ProcessChengduIntroduction
Year book of Chengdu HI-Tech Zone (2014)HTZ-video
Global Urban Development Program - Sichuan University
Research Area: Chengdu Hi-Tech Zone (south)
IntroductionIntroduction Research Area Research ProcessChengduIntroduction
What do local people think of Chengdu Hi-Tech Zone (CHZ)?
Global Urban Development Program - Sichuan University
Research Area: Chengdu Hi-Tech Zone (south)
IntroductionIntroduction Research Area Research ProcessChengduIntroduction
How do you like it?
• 72 people• 26th, Dec, 2015
Global Urban Development Program - Sichuan University
Research ProcessIntroductionIntroduction
Oct, 2015 Dec, 2015 Mar, 2016 May, 2016
Phase 1: Exploring Phase 3: Proposing Phase 2: Understanding
data collection problems identification suggestions
14 students, 11 mentors, 28 weeks, 4000 hours
Research Area Research ProcessChengduIntroduction
Global Urban Development Program - Sichuan University
Current Situation of CHZIntroductionIntroduction
•Economic quality
•Education level
•Unbalanced distribution of resources
•Traffic congestion
•Under utilization of resources
Research Area Research ProcessChengduIntroduction
Quite good
Challenging
Very challenging
Global Urban Development Program - Sichuan University
Research Process
IntroductionIntroduction
Phase 3: Proposing
−congestion
−public transport−office space
−office space (roof)
−business space
−residential space
transportation public space
Research Area Research ProcessChengduIntroduction
Transportation 2
General situation of transportation
Transportation General situation Congestion Public transport
Highway
Expressway
Subway69 bus lines72 public bike rental sites
Total length of main roads—— 326,610 Meters
Conclusions
(10:00am on Oct. 30th, 2015)Global Urban Development Program - Sichuan University
Research frameTransportation General situation Congestion Public transport
Four zones
Conclusions
Global Urban Development Program - Sichuan University
Data collecting and processingTransportation General situation Congestion Public transport Conclusions
Global Urban Development Program - Sichuan University
Data collecting Transportation General situation Congestion Public transport
Category Frequency
Peak periods ( 8am ~10am, 5pm ~7pm ) 15mins/shot
Time except peak period 30mins/shot
Website: ditu.amap.com
Period: March 25th ~ 31st , 2016
Frequency:
Congestion
Free flow
Conclusions
294 pictures out of
534 Global Urban Development Program - Sichuan University
Vectorization Transportation General situation Congestion Public transport Conclusions
226 segments of roads
48,000 numbers of length
Screenshots
AutoCAD
Congested
road lengt
h
Global Urban Development Program - Sichuan University
Spatial distribution of congestionTransportation General situation Congestion Public transport Conclusions
Global Urban Development Program - Sichuan University
Zone number A B C D
Congested length/ m
(in a week )
36,683 9257 8389 3640
Total length / m 93,625 90,095 80,227 62,662
Average proportion /% 1.97 0.72 0.86 0.35
Spatial distribution of congestionTransportation General situation Congestion Public transport Suggestions
Average proportion of congestion =(average of each time)
Congested length of each zone
Total length of each zone
Global Urban Development Program - Sichuan University
Time distribution of congestionTransportation General situation Congestion Public transport
5 h
8 h
6 h
3 h
Weekdays Weekend
Conclusions
Global Urban Development Program - Sichuan University
Public Transit Analysis 1Transportation General situation Congestion Public transport
Bus routes: 69 lines
Public bike rental sites: 72
Subway line: Metro line 1
Source: the bulletin board at bike rental sites 8684 Chengdu Bus Group stars Bus Co., Ltd. ( http://chengdu.8684.cn/g5) 8684 Chengdu Tianfu district bus ( http://chengdu.8684.cn/route/9) Amap ( http://ditu.amap.com )
Conclusions
Public bike rental sites and subway line Global Urban Development Program - Sichuan University
Public Transit Analysis 2Transportation General situation Congestion Public transport
Bus routes map
Conclusions
[1] Bus routes density=the center road lengths/area of urban land covered by bus routes[2] Route overlap coefficient =the operation bus route lengths/the center road lengths covered by bus routes[3] Urban Public Transportation Engineering Terminology Standard
Evaluating indicator
Current situation
Standard[3]
Bus routes density[1]
1.41km/sq.km 2.25km/sq.km
Route overlap coefficient[2]
4.68 1.25-2.5
Public transport development level
Global Urban Development Program - Sichuan University
Public Transit Analysis 3Transportation General situation Congestion Public transport
Transferring between bus stop and subway station
Station 1 # 2 # 3 #
To subway station (m) 120 358 57
To bike rental point(m) 1000 287 777
The walking distance of transferring
Conclusions
Global Urban Development Program - Sichuan University
Findings of field researchTransportation General situation Congestion Public transport Conclusions
3 sloth roads for field research
Global Urban Development Program - Sichuan University
Proposals Transportation General situation Congestion Public transport Conclusions
Infrastructure
Land use
Public transport
E-City
Improve land mix-use and complexity of architectural function.
Develop the smart transportation.
Improve bus lines and public transport interchange.
Enhance the general maintenance of transportation infrastructure.
Global Urban Development Program - Sichuan University
Public Space 3
Public Space
Definition
1`narrow sense: outdoor space for public use in city residents' daily and social life.
2`broad sense: the space for public facilities. (Reference: Encyclopedia of Chinese urban and rural planning, http://www.china-up.com/hdwiki/index.php?doc-view-172)
Redesign principles
Increasing the efficiency of public space
Sponge City(similar to LID)
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) Residential Area
Global Urban Development Program - Sichuan University
Site
Office Space A1: Administrative Committee of CHZ A2: Tianfu Software Park
Business Space B: Global Center
Residential Area C: Dayuan District
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) Residential Area
Global Urban Development Program - Sichuan University
Public SpaceA1: Academic office public space in CHZ
First settled in Hi-tech Zone Portal space
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Open Border
Advantage Disadvantage Administrative Landscape Area
Lack of External Open Space
Geometric Rules
VS
Active Color
VS
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Break Administration Distinction
NO USERS
NO SPACE SPACE USERS
Redesign Principle
1` Micro-park
2` Border Design
3` Identity
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Micro Park
school
Residential area
Shopping mall
Office area
Tianfu avenue
Public Space C` Residential AreaA2` Green RoofA1` Office Space
MICROPARK & PARKING LOT
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Micro Park
Tianfu avenue
Public Space C` Residential AreaA2` Green RoofA1` Office SpacePublic Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Weekdays Weekdends
Global Urban Development Program - Sichuan University
Micro Park
Before After
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Flexible Border
open
open open
open contractible
contractible
contractible
Main entrance
Secondary entrance
Public Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Reginal Identity-City Oxygen TrackPublic Space A1` Office Space B` Business SpaceA2` Office Space (Roof) C` Residential Area
Global Urban Development Program - Sichuan University
Public SpaceA2: Tianfu Software Park
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Innovation and Contain
Global Urban Development Program - Sichuan University
Previous online investigation
Series10
20406080
100120140160
Public Impression to Green Roof
Beautiful Imporving air qualityEnergy saving Heat island effectPublic space Rainwater managementOthers
548 people in total 647people in total
Series10
20406080
100120140160180
Public Concern to Green Roof
Unsafe InconvenienceExtra cost Management problemLeak Others
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Reference: A policy study on promoting the implementation of green roofs(2007-2014)
Global Urban Development Program - Sichuan University
SitesTwo different targets:
Site A: Office building roof with vegetation Site B:Office building with empty roof
C` Residential Area
SITE A
SITE B
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Global Urban Development Program - Sichuan University
Site ALocation
Problem 1
Problem 2
Problem 3
Poorly maintained roof
Inconvenience to use
Limited access to roofs
Irrigation water came from fire hydrant
Manual irrigation Shallow rooted plantssmall quantities but high frequency
Settled irrigation time
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Global Urban Development Program - Sichuan University
Design & Improvement
Irrigation pipe
splitter
Water supply from main pipe
Filter/Collector
rain water collect pipe
Green/Recreation area
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Global Urban Development Program - Sichuan University
Vision
SITE BSITE A
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Global Urban Development Program - Sichuan University
Public SpaceB: Global Center
Biggest individual building in the worldLandmark
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Global Urban Development Program - Sichuan University
Disadvantage of Global Center
Public Space Street Office Space Business Space Green Roof
Inefficiency of open space
Chaotic streamline
Environmental-unfriendly
Unbalanced Parking Space
1 2
43
Global Urban Development Program - Sichuan University
Strategy Public Space Street Office Space Business Space Green Roof
1 2Ecological parking space
To improve infrastructure and management system
To increase interest by enriching functionality
Global Urban Development Program - Sichuan University
Strategy Public Space Street Office Space Business Space Green Roof
1 2Vertical Greening Area
1 ㎡ vertical greening wall
= 21.9kg carbon sequestration
(per year)
To create a spirit of place by art
Global Urban Development Program - Sichuan University
Public SpacePublic Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
C: Dayuan District, Important integrated
residential areas
Global Urban Development Program - Sichuan University
Underpass10 drivewaysLow Traffic FlowMixed Land UseDensely PopulatedUnderutilized Ground Space
Site Analysis
Global Urban Development Program - Sichuan University
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Lane Planning & Design
Occupied bike lane Surplus travel lane
Separated bike lanes Global Urban Development Program - Sichuan University
Lane Planning & Design
Green Infrastructure Pervious Paving
Drainage & Infiltration
Storage & Use
Water Management Strategy
Buffer Area Bike Lane & Sidewalk
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Global Urban Development Program - Sichuan University
Intersection Design
Large Area Long Crossing Distance
Making space more Pedestrian-friendly Crosswalk in the pattern of Diagonal lines Local art painting on road surface Vertical farming
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Global Urban Development Program - Sichuan University
River Corridor Redesign & Regeneration
Low Accessibility
Underutilized NOW
NOW
NOW
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Ignored Gateways
Gateways Redesign
Sculpture at Entrance
Recognizable Paving
Marked Sign
Global Urban Development Program - Sichuan University
Existing hard Riverbank
River Corridor Redesign & Regeneration
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space
Ecological Riverbank
Underutilized
Not Eco-friendly
Environmental Promotion
Global Urban Development Program - Sichuan University
Conclusions
Infrastructure
EMBODY & CONVEY SUSTAINABILITY
Public Space Residential AreaOffice Space Business SpaceGreen Roof
LID Citycultural and creative
Approprscaleiate spatial
Life quality
Public space Economy
Sustainability
Global Urban Development Program - Sichuan University
Conclusions 4
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
Findings and suggestions
feedback
−The high quality of economy
−Rich human resources
−Favorable policies
−Geograpic location advantages
opportunities for sustainable development
Global Urban Development Program - Sichuan University
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
Findings and suggestions
feedback
−Unbalanced distribution of resources:
green space, public services and so on.
−Under utilization of resources:
rain water resources, public rent bicycles and etc.
−Traffic congestion
Challenges to sustainable development
Global Urban Development Program - Sichuan University
Suggestions for future development
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
Findings and suggestions
feedback
−Revitalize public space through redesigns
−Improve the convenience of public transportation
−enhance the efficiency of resources
−Keep a balance: economy, society, and environment
Global Urban Development Program - Sichuan University
Suggestions for further research
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
Findings and suggestions
feedback
−Evaluation indicators need to be improved.
−Collaboration among team members should be improved.
− Recommended research process:
data collection problems identification
redesigns and suggestions
Global Urban Development Program - Sichuan University
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
Feelings
Global Urban Development Program - Sichuan University
How do we feel during this program?
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
−Enjoy
Feelings
Global Urban Development Program - Sichuan University
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
−Broaden our horizon
Feelings
Global Urban Development Program - Sichuan University
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
Feelings
−Learn practical skills
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
Feelings
−Develop a better understanding
of sustainable development
Research Process
Introduction Feelings AcknowledgementsFindings and suggestions Conclusions
feedback
−Stanford University
−The government of Chengdu Hi-tech Zone
−All mentors
−All team members
Acknowledgements
Global Urban Development Program - Sichuan University
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