Socio-economic metabolism of urban construction materials: A case study of the Taipei metropolitan area

Yishin Wang, Pi Cheng Chen, Hwong wen Ma, Kuang Ly Cheng, Chih Yu Chang

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Material stock is an urban issue related to urban mining. In recent years, urban metabolism issues, i.e., the determination of urban stability, have also emerged as important. The manifestation of dynamic materials in a city involves processes of importing, supply, transformation, consumption, and exporting and other activities involved in the flow of materials. Socioeconomic factors must be considered to transform study results into useful policies. This study examines cement and gravel flows in Taipei and New Taipei City to explore such concepts. Our results show that more than 80% of the construction material use in Taipei and New Taipei City is mainly dedicated to the construction of buildings and secondarily to road improvements and road maintenance. Approximately 447 t of waste concrete is generated each year, and the consumption of cement and gravel in Taipei and New Taipei City has grown over the last decade. Factors that have heavily affected urban metabolism patterns include the slowdown of economic activities after the financial crisis of 2007–2008 and the emergence of new urban zoning laws. We find that roadwork has intensified dramatically due to road-smoothing and short-term urban construction projects, which may have been influenced by elections. This study measures flows in an urban metabolic system and examines socioeconomic factors that have led to an increase in the consumption of cement and gravel.

Original languageEnglish
Pages (from-to)563-571
Number of pages9
JournalResources, Conservation and Recycling
Volume128
DOIs
Publication statusPublished - 2018 Jan 1

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metropolitan area
metabolism
gravel
cement
road
urban system
financial crisis
election
smoothing
economic activity
zoning
transform
socioeconomics
city
Metabolism
Metropolitan areas
Socio-economics
material
consumption
socioeconomic factor

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal
  • Economics and Econometrics

Cite this

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Socio-economic metabolism of urban construction materials : A case study of the Taipei metropolitan area. / Wang, Yishin; Chen, Pi Cheng; Ma, Hwong wen; Cheng, Kuang Ly; Chang, Chih Yu.

In: Resources, Conservation and Recycling, Vol. 128, 01.01.2018, p. 563-571.

Research output: Contribution to journalArticle

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