Allegory: Theory and Practice

Anderson, Judith H.; Escobedo, Andrew

doi:10.1017/cbo9781316218662.017

Cited by 1 publication

(1 citation statement)

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“…Thirdly, recycling processes can be highly wasteful. The global image of recycling-the familiar triangle of arrows-conjures an idea of continuous cycles, yet open-loop recycling is better described as delayed disposal [11]. When, for instance, timber joists are chipped for chipboard, this open-loop recycling still requires trees to be felled, milled, and produced when we want new joists.…”

Section: Introductionmentioning

confidence: 99%

From Waste Management to Component Management in the Construction Industry

Rose

Stegemann

2018

Sustainability

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Abstract:The construction industry uses more resources and produces more waste than any other industrial sector; sustainable development depends on the reduction of both, while providing for a growing global population. The reuse of existing building components could support this goal. However, it is difficult to reclaim components from demolition, and materials remain cheap compared with labour, so new approaches are needed for reuse to be implemented beyond niche projects. This study therefore reviews waste interventions. Multiple case studies, spanning new builds and refurbishment, were undertaken to examine systemic mechanisms that lead to components being discarded. Evidence from fieldwork observations, waste documentation, and interviews indicates that the generators of unwanted components effectively decide their fate, and a failure to identify components in advance, uncertainty over usefulness, the perception of cost and programme risk in reclamation, and the preferential order of the waste hierarchy mean that the decision to discard to waste management goes unchallenged. A triage process is proposed to capture timely information about existing building components to be discarded, make this information visible to a wide community, and determine usefulness by focusing creativity already present in the industry on an exhaustive examination of component reusability and upcyclability.

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Section: Introductionmentioning

confidence: 99%