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Assessing the Carbon Balance for Mas...

Bjarvin, Christina.

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Assessing the Carbon Balance for Mass Timbers Beyond the First Life.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Assessing the Carbon Balance for Mass Timbers Beyond the First Life./
作者:	Bjarvin, Christina.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	96 p.
附註:	Source: Masters Abstracts International, Volume: 84-02.
Contained By:	Masters Abstracts International84-02.
標題:	Forestry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29164715
ISBN:	9798837533129

Assessing the Carbon Balance for Mass Timbers Beyond the First Life.
Bjarvin, Christina.

Assessing the Carbon Balance for Mass Timbers Beyond the First Life. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 96 p.

Source: Masters Abstracts International, Volume: 84-02.

Thesis (M.S.)--University of Washington, 2022.

This item must not be sold to any third party vendors.

Forests are an important carbon sink in the global carbon cycle and the carbon they store can be transferred into the built environment via wood products to maximize the forests' carbon storage potential and mitigate global climate change. Mass timbers, specifically cross-laminated timber (CLT) and glulam, are engineered wood products of growing interest regarding their carbon storage benefits, due to their long lifespan. However, given that CLT is a relatively new product, there is a limited understanding of how CLT can be treated at the end-of-life (EOL) phase to maximize its carbon storage potential. This research focuses on (a) determining the proportions of mass timber in a building to be allocated to four EOL scenarios (reuse, recycle, incinerate, and landfill) (b) evaluating the climate benefits of each EOL scenario, and (c) determining the substitution effects associated with the products created in each scenario. Reusing and recycling demolition mass timber demonstrated the best net climate impacts due to the low embodied emissions and large amounts of temporal carbon storage. Conversely, substitution effects were highest for the bioenergy products created from incineration and landfilling; however, this benefit can only be realized once while the benefits of the products created from reuse or recycling can occur multiple times if a cascading recycling approach is considered.

ISBN: 9798837533129Subjects--Topical Terms:

895157
Forestry.
Subjects--Index Terms:

Cross laminated timber

Assessing the Carbon Balance for Mass Timbers Beyond the First Life.
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500 $a Source: Masters Abstracts International, Volume: 84-02.
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506 $a This item must not be sold to any third party vendors.
520 $a Forests are an important carbon sink in the global carbon cycle and the carbon they store can be transferred into the built environment via wood products to maximize the forests' carbon storage potential and mitigate global climate change. Mass timbers, specifically cross-laminated timber (CLT) and glulam, are engineered wood products of growing interest regarding their carbon storage benefits, due to their long lifespan. However, given that CLT is a relatively new product, there is a limited understanding of how CLT can be treated at the end-of-life (EOL) phase to maximize its carbon storage potential. This research focuses on (a) determining the proportions of mass timber in a building to be allocated to four EOL scenarios (reuse, recycle, incinerate, and landfill) (b) evaluating the climate benefits of each EOL scenario, and (c) determining the substitution effects associated with the products created in each scenario. Reusing and recycling demolition mass timber demonstrated the best net climate impacts due to the low embodied emissions and large amounts of temporal carbon storage. Conversely, substitution effects were highest for the bioenergy products created from incineration and landfilling; however, this benefit can only be realized once while the benefits of the products created from reuse or recycling can occur multiple times if a cascading recycling approach is considered.
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650 4 $a Environmental science. $3 677245
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653 $a Embodied carbon
653 $a End of life
653 $a Forests
653 $a Life cycle assessment
653 $a Mass timber
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