Tracking the Life Cycle of Construction Steel: The Development of a Resource Loop. Liu, L. Master's thesis, University of Kansas, Kansas, December, 2009. ![Tracking the Life Cycle of Construction Steel: The Development of a Resource Loop [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex Cradle-to-grave model is established on the assumption of a model of one-way, linear flow of materials in the industrial system. Eco-efficiency, as the design strategy of the cradle-to-grave model, aims to reduce the reliance of industry on resources while decreasing the negative consequences to the environment; but designers do not consider the usefulness of a material after it ends its life cycle. Eco-effectiveness and cradle-to-cradle design present a new concept as an alternative design strategy by modeling material-flow based on biological metabolism processes. This concept assumes that a material will have to be rejuvenated at the end of its functional life, and reused for another use. Both of those models: cradle-to-cradle and cradle-to-grave, integrate energy and materials in different processes, such as extract, manufacture, transport, install, deconstruct, demolish and dispose of materials. This thesis developed a "resource loop" which represents both the cradle-to-cradle and cradle-to-grave model to accounting materials and energy. Construction steel is chosen as a case study to show the developing processes, and identify "feeds" and "leaks" within the resource loop. The thesis found: 1) The transportation process generates a significant amount of leaks; 2) Materials and energy accounting methods are not comprehensive enough; 3) The resource loop needs to be improved to implement the cradle-to-cradle model in construction industry. In the end of this thesis, some suggestions will be given for future research in implementing the cradle-to-cradle design.
@mastersthesis{liu_tracking_2009,
address = {Kansas},
title = {Tracking the {Life} {Cycle} of {Construction} {Steel}: {The} {Development} of a {Resource} {Loop}},
copyright = {This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.},
shorttitle = {Tracking the {Life} {Cycle} of {Construction} {Steel}},
url = {https://kuscholarworks.ku.edu/handle/1808/5707},
abstract = {Cradle-to-grave model is established on the assumption of a model of one-way, linear flow of materials in the industrial system. Eco-efficiency, as the design strategy of the cradle-to-grave model, aims to reduce the reliance of industry on resources while decreasing the negative consequences to the environment; but designers do not consider the usefulness of a material after it ends its life cycle. Eco-effectiveness and cradle-to-cradle design present a new concept as an alternative design strategy by modeling material-flow based on biological metabolism processes. This concept assumes that a material will have to be rejuvenated at the end of its functional life, and reused for another use. Both of those models: cradle-to-cradle and cradle-to-grave, integrate energy and materials in different processes, such as extract, manufacture, transport, install, deconstruct, demolish and dispose of materials. This thesis developed a "resource loop" which represents both the cradle-to-cradle and cradle-to-grave model to accounting materials and energy. Construction steel is chosen as a case study to show the developing processes, and identify "feeds" and "leaks" within the resource loop. The thesis found: 1) The transportation process generates a significant amount of leaks; 2) Materials and energy accounting methods are not comprehensive enough; 3) The resource loop needs to be improved to implement the cradle-to-cradle model in construction industry. In the end of this thesis, some suggestions will be given for future research in implementing the cradle-to-cradle design.},
language = {EN},
urldate = {2018-03-12},
school = {University of Kansas},
author = {Liu, Lanfang},
month = dec,
year = {2009}
}
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Eco-efficiency, as the design strategy of the cradle-to-grave model, aims to reduce the reliance of industry on resources while decreasing the negative consequences to the environment; but designers do not consider the usefulness of a material after it ends its life cycle. Eco-effectiveness and cradle-to-cradle design present a new concept as an alternative design strategy by modeling material-flow based on biological metabolism processes. This concept assumes that a material will have to be rejuvenated at the end of its functional life, and reused for another use. Both of those models: cradle-to-cradle and cradle-to-grave, integrate energy and materials in different processes, such as extract, manufacture, transport, install, deconstruct, demolish and dispose of materials. This thesis developed a \"resource loop\" which represents both the cradle-to-cradle and cradle-to-grave model to accounting materials and energy. Construction steel is chosen as a case study to show the developing processes, and identify \"feeds\" and \"leaks\" within the resource loop. The thesis found: 1) The transportation process generates a significant amount of leaks; 2) Materials and energy accounting methods are not comprehensive enough; 3) The resource loop needs to be improved to implement the cradle-to-cradle model in construction industry. 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