A Comparison of the Energy Saving and Carbon Reduction Performance between Reinforced Concrete and Cross-Laminated Timber Structures in Residential Buildings in the Severe Cold Region of China

Guo, Haibo; Liu, Ying; Ye, Meng; Huang, Haoyu; Sun, Chuang; Shao, Youlin

doi:10.3390/su9081426

Cited by 77 publications

(42 citation statements)

References 24 publications

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“…As part of the market competition to offer the best quality properties, this trend is gradually being embraced by investors, developers, and users (tenants) in Central Europe (Slovakia and the Czech Republic) [68,[79][80][81][82]. The positive impact of environmental assessments of construction projects will be reflected in operating costs and energy savings and, moreover, in the quality of the interior environment, applied technologies, materials, and other criteria [83][84][85]. Obtaining a building certification can be considered during any design, construction, or use phase [78,86].…”

Section: Discussionmentioning

confidence: 99%

Perception of User Criteria in the Context of Sustainability of Modern Methods of Construction Based on Wood

Švajlenka

Kozlovská

2018

Sustainability

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Recent developments in the construction industry have brought more efficient and sustainable technologies, technological procedures, and materials. An example of this are modern methods of construction, which offer larger production volumes with a higher quality and shorter procurement time. The goal of those methods is to improve construction sustainability through quality improvement, customer satisfaction, shortened construction time, and reduced environmental impact. The main goal of this research is to demonstrate, by means of theoretical assumptions, surveys, and analyses, the sustainability of modern methods of construction based on wood. The work focuses on identifying the user criteria for construction sustainability. Selected user criteria of construction sustainability are applied in a socio-economic survey whose purpose is to determine how users perceive the efficiency of selected construction systems. We evaluate certain user parameters in the context of sustainability by relying on the users of buildings (family houses) which have already been built and compare the results with declared design parameters.

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Section: Discussionmentioning

confidence: 99%

Perception of User Criteria in the Context of Sustainability of Modern Methods of Construction Based on Wood

Švajlenka

Kozlovská

2018

Sustainability

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“…(2) Based on existing research, the on-site erection energy consumption of RC and CLT buildings is set at 100 MJ/ m 2 and 20 MJ/m 2 , respectively [44].…”

Section: Construction Phasementioning

confidence: 99%

“…(2) Based on existing research, the on-site erection energy consumption of RC and CLT buildings is set at 100 MJ/ m 2 and 20 MJ/m 2 , respectively [44]. (3) The boundaries of the materials, including concrete, sand, cement, steel, and brick, start with the extraction of raw materials, whereas the boundary for CLT starts with tree harvesting.…”

Section: Construction Phasementioning

confidence: 99%

“…In terms of operation stage, the energy consumption of RC buildings during the operation phase ranges from 343. 44 Table 15 and Figure 11 present the estimated results of LCCA and operation phase for RC and timber stadiums in the five cities under study, which are located in different climate zones. Similar to the LCEA, building CO2 emissions are higher in "severely cold" and "cold" regions than The results showed that carbon emissions of commercial buildings ranged from 96 kg CO2/m 2 to 177 kg CO2/m 2 per annum [63].…”

Section: Quality Of Datamentioning

confidence: 99%

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Comparative Whole Building Life Cycle Assessment of Energy Saving and Carbon Reduction Performance of Reinforced Concrete and Timber Stadiums—A Case Study in China

et al. 2020

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Many stadiums will be built in China in the next few decades due to increasing public interest in physical exercise and the incentive policies issued by the government under its National Fitness Program. This paper investigates the energy saving and carbon reduction performance of timber stadiums in China in comparison with stadiums constructed using conventional building materials, based on both life cycle energy assessment (LCEA) and life cycle carbon assessment (LCCA). The authors select five representative cities in five climate zones in China as the simulation environment, simulate energy use in the operation phase of stadiums constructed from reinforced concrete (RC) and timber, and compare the RC and timber stadiums in terms of their life cycle energy consumption and carbon emissions. The LCEA results reveal that the energy saving potential afforded by timber stadiums is 11.05%, 12.14%, 8.15%, 4.61% and 4.62% lower than those of RC buildings in "severely cold," "cold," "hot summer, cold winter," "hot summer, warm winter," and "temperate" regions, respectively. The LCCA results demonstrate that the carbon emissions of timber stadiums are 15.85%, 15.86%, 18.88%, 19.22% and 22.47% lower than those of RC buildings for the regions above, respectively. This demonstrates that in China, timber stadiums have better energy conservation and carbon reduction potential than RC stadiums, based on life cycle assessment. Thus, policy makers are advised to encourage the promotion of timber stadiums in China to achieve the goal of sustainable energy development for public buildings.Sustainability 2020, 12, 1566 2 of 24 carbon dioxide (CO 2 ) [4]. The use of fossil fuels is believed to be the main factor leading to global warming [5,6]. Global warming is widely considered to cause glacier retreat and regional climate changes, species extinction, and further uncertain risks [7,8].Measuring the "greenhouse effect" for mitigation purposes has become a major interest internationally in the last few decades. During the last 50 years, global warming has mainly been caused by excessive GHG emissions due to human activities [9]. International Energy Outlook (2019) reported that the building sector, one of the most important areas of human activities, accounted for 20% of the world's delivered energy consumption in 2018 [10]. This figure will rise to about 22% by 2050 [10]. The Brown to Green Report (2019) showed that carbon emissions directly from the building sector accounted for 9% of G20 energy-related CO 2 emissions in 2019 and that 18% of these emissions arose from electricity use in buildings [11].At the end of 2016, the energy consumption of buildings in China was 26 billion GJ, accounting for 20.6% of the country's total energy consumption. In total, the building industry emitted 1.96 billion tons of CO 2 in this year, accounting for 19.4% of domestic carbon emissions [12]. At the 2015 United Nations Climate Change Conference [13], the Chinese government set the goal of reducing carbon emissions per unit of GDP by 60%-65% by...

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“…Since CLT is a relatively new product in the U.S., research associated with its environmental impacts is limited. Many studies have emphasized on the usage stage of wood buildings and their impacts on carbon balance [14][15][16][17][18], whereas the association between material source and site-specific CLT panel transportation is not well understood, especially in the U.S. For example, Liu et al [16] evaluates the carbon emission of CLT buildings in China and assumes the total transportation distance between facilities to be constant, but the variability associated with transportation is not considered. The impact of CLT production may vary depending on facility availability and raw material.…”

Section: Introductionmentioning

confidence: 99%

Life Cycle Assessment (LCA) of Cross-Laminated Timber (CLT) Produced in Western Washington: The Role of Logistics and Wood Species Mix

2019

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The use of cross-laminated timber (CLT), as an environmentally sustainable building material, has generated significant interest among the wood products industry, architects and policy makers in Washington State. However, the environmental impacts of CLT panels can vary significantly depending on material logistics and wood species mix. This study developed a regionally specific cradle-to-gate life cycle assessment of CLT produced in western Washington. Specifically, this study focused on transportation logistics, mill location, and relevant wood species mixes to provide a comparative analysis for CLT produced in the region. For this study, five sawmills (potential lamstock suppliers) in western Washington were selected along with two hypothetical CLT mills. The results show that the location of lumber suppliers, in reference to the CLT manufacturing facilities, and the wood species mix are important factors in determining the total environmental impacts of the CLT production. Additionally, changing wood species used for lumber from a heavier species such as Douglas-fir (Pseudotsuga menziesii) to a lighter species such as Sitka spruce (Picea sitchensis) could generate significant reduction in the global warming potential (GWP) of CLT. Given the size and location of the CLT manufacturing facilities, the mills can achieve up to 14% reduction in the overall GWP of the CLT panels by sourcing the lumber locally and using lighter wood species.

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A Comparison of the Energy Saving and Carbon Reduction Performance between Reinforced Concrete and Cross-Laminated Timber Structures in Residential Buildings in the Severe Cold Region of China

Cited by 77 publications

References 24 publications

Perception of User Criteria in the Context of Sustainability of Modern Methods of Construction Based on Wood

Perception of User Criteria in the Context of Sustainability of Modern Methods of Construction Based on Wood

Comparative Whole Building Life Cycle Assessment of Energy Saving and Carbon Reduction Performance of Reinforced Concrete and Timber Stadiums—A Case Study in China

Life Cycle Assessment (LCA) of Cross-Laminated Timber (CLT) Produced in Western Washington: The Role of Logistics and Wood Species Mix

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