Sichuan University Final Presentation

2015-2016
Global Urban Development Program
Sichuan University &
Stanford University joint project
Chengdu
Sichuan University
China

1 Introduction
2 Transportation
3 Public Space
4 Conclusions
ontents

Global Urban Development Program - Sichuan University
Chengdu
IntroductionIntroduction Research Area Research ProcessChengduIntroduction
How does
Chengdu
look like?
China
Sichuan Province
Chengdu

Chengdu
How does Chengdu perform in sustainability?

Residential AreaBusiness SpaceGreen Roof
Green Roof
Green Roof
Business 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

Green Roof
Green Roof
Business 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

Green Roof
Green Roof
Business Space
Business Space
Efficiency Of Resource Utilization
Data source: the National statistical Bureau
0
0.2
0.4
0.6
0.8
1
1.2
2008 2009 2010 2011 2012 2013
tonsofSCEpertenthousandyuan
year
Energy consumption per unit GDP
Chengdu Beijing National average

Green Roof
Green Roof
Business Space
Business Space
Air Quality
Data source : National statistical Bureau
*:equal to or above Grade Ⅱ
100
150
200
250
300
350
400
2008 2009 2010 2011 2012 2013
Days
Year
Days of relatively good air quality*
Chengdu
Beijing
Shanghai

Green Roof
Green Roof
Business Space
Business SpaceChengdu’s Performance Compared With Other Areas
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

Research Area: Chengdu Hi-Tech Zone (south)
Year book of Chengdu HI-Tech Zone (2014)HTZ-video

What do local people think of Chengdu Hi-Tech Zone (CHZ)?

How do you like it?
• 72 people
• 26th, Dec, 2015

Research Process
IntroductionIntroduction
Oct, 2015 Dec, 2015 Mar, 2016 May, 2016
Phase 1: Exploring Phase 3: ProposingPhase 2: Understanding
data collection problems identification suggestions
14 students, 11 mentors, 28 weeks, 4000 hours
Research Area Research ProcessChengduIntroduction

Current Situation of CHZ
•Economic quality
•Education level
•Unbalanced distribution of resources
•Traffic congestion
•Under utilization of resources
Quite good
Challenging
Very challenging

Research Process
Phase 3: Proposing
−congestion
−public transport
−office space
−office space (roof)
−business space
−residential space
transportation public space

General situation of transportation
Transportation General situation Congestion Public transport
Highway
Expressway
Subway69 bus lines
72 public bike rental sites
Total length of main roads
—— 326,610 Meters
Conclusions
(10:00am on Oct. 30th, 2015)

Research frame
Four zones
Conclusions

Data collecting and processing
Transportation General situation Congestion Public transport Conclusions

Data collecting
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

Vectorization
226 segments of roads
48,000 numbers of length
Screenshots AutoCAD
Congested
road length

Spatial distribution of congestion

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 congestion
Transportation General situation Congestion Public transport Suggestions
Average proportion of congestion =
(average of each time)
Congested length of each zone
Total length of each zone

Time distribution of congestion
5 h
8 h
6 h
3 h
Weekdays Weekend
Conclusions

Public Transit Analysis 1
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

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

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

Findings of field research
3 sloth roads
for field research

Proposals
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.

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

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

Public Space
A1: 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

Open Border
Advantage Disadvantage
Administrative Landscape Area
Lack of External Open Space
Geometric Rules
VS
Active Color
VS

Break Administration Distinction
NO
USERS
NO
SPACE SPACE USERS
Redesign Principle
1` Micro-park
2` Border Design
3` Identity

Micro Park
school
Residential
area
Shopping mall
Office area
Tianfu
avenue
Public Space C` Residential AreaA2` Green RoofA1` Office Space
MICROPARK
&
PARKING LOT

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

Micro Park
Before After

Flexible Border
open
open
openopen
contractible contractible contractible
Main entrance
Secondary entrance

Reginal Identity-City Oxygen Track

Public Space
A2: Tianfu Software Park
Public Space C` Residential AreaA1` Office Space B` Business SpaceA2` Office Space (Roof)
Innovation and Contain

Previous online investigation
0
20
40
60
80
100
120
140
160
Public Impression to Green Roof
Beautiful Imporving air quality
Energy saving Heat island effect
Public space Rainwater management
Others
548 people in total 647people in total
0
20
40
60
80
100
120
140
160
180
Public Concern to Green Roof
Unsafe Inconvenience
Extra cost Management problem
Leak Others
Reference: A policy study on promoting the
implementation of green roofs(2007-2014)

Sites
Two different targets:
Site A: Office building roof with vegetation Site B:Office building with empty roof
C` Residential Area
SITE A
SITE B

Site A
Location
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
plants
small quantities but
high frequency
Settled irrigation
time

Design & Improvement
Irrigation pipe
splitter
Water supply from main
pipe
Filter/Collector
rain water collect pipe
Green/Recreation area

Vision
SITEＢ
SITEＡ

Public Space
B: Global Center
Biggest individual building in the world
Landmark
Public Space C` Residential AreaB` Business SpaceA2` Green RoofA1` Office Space

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

Strategy
1 2
Ecological parking space
To improve infrastructure and management system
To increase interest by enriching functionality

Strategy
1 2
Vertical Greening Area
1㎡ vertical greening wall
= 21.9kg carbon sequestration
(per year)
To create a spirit of place by art

Public Space
C: Dayuan District,
Important integrated
residential areas

Underpass
10 driveways
Low Traffic Flow
Mixed Land Use
Densely Populated
Underutilized Ground Space
Site Analysis

Lane Planning & Design
 Occupied bike lane  Surplus travel lane
 Separated bike lanes

Lane Planning & Design
Green Infrastructure Pervious Paving
Drainage & Infiltration
Storage & Use
Water Management Strategy
Buffer Area Bike Lane & Sidewalk

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

River Corridor
Redesign & Regeneration
Low Accessibility
Underutilized
NOW
NOW
NOW
Ignored Gateways
Gateways Redesign
Sculpture at Entrance
Recognizable Paving
Marked Sign

Existing hard Riverbank
River Corridor
Redesign & Regeneration
Ecological Riverbank
Underutilized
Not Eco-friendly
Environmental Promotion

Conclusions
Infrastructure
EMBODY & CONVEY SUSTAINABILITY
Public Space Residential AreaOffice Space Business SpaceGreen Roof
LID City
cultural and
creative
Approprscal
eiate spatial
Life quality
Public space Economy
Sustainability

Research Process
Introduction Feelings AcknowledgementsFindings and suggestionsConclusions
Findings and suggestions
feedback
−The high quality of economy
−Rich human resources
−Favorable policies
−Geograpic location advantages
opportunities for sustainable development

Research Process
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

Suggestions for future development
feedback
−Revitalize public space through redesigns
−Improve the convenience of public transportation
−enhance the efficiency of resources
−Keep a balance: economy, society, and environment

Suggestions for further research
feedback
−Evaluation indicators need to be improved.
−Collaboration among team members should be improved.
− Recommended research process:
data collection problems identification
redesigns and suggestions

Research Process
feedback
Feelings
How do we feel during this program?

Research Process
feedback
−Enjoy
Feelings

Research Process
feedback
−Broaden our horizon
Feelings

Research Process
feedback
Feelings
−Learn practical skills

Research Process
feedback
Feelings
−Develop a better understanding
of sustainable development

Research Process
feedback
−Stanford University
−The government of Chengdu Hi-tech Zone
−All mentors
−All team members
Acknowledgements

Sichuan University Final Presentation

Sichuan University Final Presentation

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