Research Article

A Unified Assessment Approach for Urban Infrastructure Sustainability and Resilience

Table 6

Assessment index system of urban infrastructure SR-GPA.

DimensionCategoryIndexProperty

Demand (D)D1 city sizeD1.1 growth rate of city resident populationC
D2 economic developmentD2.1 per capita GDPB
D2.2 proportion of tertiary industry in GDPB
D2.3 per capita disposable incomeB
D3 social levelD3.1 per financial incomeB
D3.2 per capital expenditureB
D3.3 growth rate of infrastructure investmentB

Status (S)S1 supply capacityS1.1 handling capacityB
S1.2 infrastructure densityB
S1.3 proportion of built-up area in total areaB
S2 public satisfactionS2.1 service qualityQ
S2.2 service priceQ
S2.3 failure frequencyQ
S2.4 facility maintenance timelinessQ
S2.5 facility maintenance qualityQ

Influence (I)I1 goalI1.1 improve community life qualityQ
I1.2 stimulate sustainable developmentQ
I1.3 develop local technologyQ
I2 healthI2.1 improve public health and safetyQ
I2.2 reduce noise and vibrationQ
I2.3 reduce light pollutionQ
I3 social environmentI3.1 protect historical and cultural resourcesQ
I3.2 protect local characteristicsQ
I3.3 protect the environmentQ

Resource (R)R1 save materialR1.1 reduce material usageQ
R1.2 support sustainable procurement practicesQ
R1.3 use renewable materialsQ
R1.4 use local materialsQ
R1.5 dispose and recycle wasteQ
R2 save energyR2.1 reduce energy consumptionQ
R2.2 use renewable energyQ
R2.3 monitor the energy systemQ
R3 save waterR3.1 reduce water consumptionQ
R3.2 reduce domestic waterQ
R3.3 monitor the water systemQ

Measure (M)M1 technology innovationM1.1 new materials, technology, and equipmentQ
M1.2 intelligent monitoring systemQ
M1.3 collaborative innovationQ
M2 economic supportM2.1 innovation investmentQ
M2.2 investment on maintenanceQ
M2.3 effective management capitalQ
M3 management measureM3.1 evaluate climate change risksQ
M3.2 enhance long-term adaptationQ
M3.3 improve withstanding ability to extreme eventsQ

Note. C, cost index; B, benefit index; Q, qualitative index.