Life cycle assessment and costing of carbon neutral hybrid-timber building renovation systems: Three applications in the Republic of Korea

Amoruso, Fabrizio M.; Schuetze, Thorsten

doi:10.1016/j.buildenv.2022.109395

Cited by 17 publications

(6 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Preliminary calculations of the combined dimensions of single columns are required to meet the structural requirements after replacement with steel and wood structural columns, and the calculation method of equivalent modulus of elasticity is introduced according to the study of Li Wei et al on the bearing capacity test of L-shaped wood and steel columns [4] . In the performance study of hollow glued laminated timber columns by Chen Link et al the formula for calculating the bearing capacity of axially compressed specimens subjected to bending moment along the main axis direction of one section is given, and the working conditions of this model are consistent, so it can be used as a reference [5] . Its ultimate bearing capacity can be calculated according to equations ( 2…”

Section: Figure 2 Static Analysis Diagram Of Bearing Columnmentioning

confidence: 99%

“…The system boundary of building carbon emission assessment is shown in Figure 7. A bidirectional adjustment factor is added to the original evaluation system for some evaluation modules during the carbon emission assessment in order to highlight the differences between the two types of buildings and identify the root causes of the problems [8] .…”

Section: Evaluation Program and Contentmentioning

confidence: 99%

See 1 more Smart Citation

The practical study of steel-wood composite column in light and low-carbon building

Xiao,

Yang,

Zhao

2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

Steel improves the safety performance of buildings, but also greatly increases the carbon emissions of buildings, which is not conducive to environmental development. Based on the consideration of reducing building carbon emissions, this study proposes to replace the pure steel load-bearing column in the low-rise building with a new load-bearing column in the form of steel-wood combination, and establishes a theoretical and numerical model to explore its reasonable combination size to verify the safety of the structure in practical applications. And the carbon emission assessment and analysis of the whole life cycle. It is found that the steel and wood structure can replace the pure steel structure of the corresponding size in the low-rise building, which greatly reduces the carbon emissions of the building while achieving structural safety.

show abstract

Section: Figure 2 Static Analysis Diagram Of Bearing Columnmentioning

confidence: 99%

Section: Evaluation Program and Contentmentioning

confidence: 99%

The practical study of steel-wood composite column in light and low-carbon building

Xiao,

Yang,

Zhao

2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…For instance, the low embodied energy of renewable materials presents a new opportunity for promoting net-zero buildings. Emerging research has highlighted the benefits of using renewable materials in green construction, such as timber, bamboo, and others, to reduce life cycle emissions and consumptions (Amoruso and Schuetze 2022;Figueiredo et al 2021;Lakho et al 2022;Qiao et al 2022;Scolaro and Ghisi 2022;Zhang et al 2019). Another widely applied green construction & building management approach enlightened by life cycle assessment is a green roof, which could generate embodied benefits like eco-system service as a typical nature-based solution by applying green materials and well design.…”

Section: Life Cycle Assessment and Green Constructionmentioning

confidence: 99%

Green construction for low-carbon cities: a review

et al. 2023

View full text Add to dashboard Cite

The construction industry is a major user of non-renewable energy and contributor to emission of greenhouse gases, thus requiring to achieve net-zero carbon emissions by 2050. Indeed, construction activities account for 36% of global energy consumption and 39% of global carbon dioxide emissions. Reducing carbon emissions requires adapted government policies, carbon emission analysis and calculation models, and sustainable materials. Here, we review green construction with focus on history, carbon emissions, policies, models, life cycle assessment, and sustainable materials such as biochar, bioplastic, agricultural waste, animal wool, fly ash and self-healing concrete. Analysis of carbon emissions over the building life cycle shows that the construction phase accounts for 20–50% of total carbon emissions. The average ratio of construction phase annual emissions to operation phase emissions is 0.62. We present national policy frameworks and technology roadmaps from the United States of America, Japan, China, and the European Union, highlighting plans to achieve carbon neutrality in the building sector.

show abstract

“…However, the Swedish Environmental Objectives Committee (Miljömålsberedningen) has officially endorsed the life cycle perspective as a foundational approach for assessing the environmental impact of new construction, rebuilding, and the management of existing buildings, including construction work [33]. Life cycle analysis (LCA) has played a central role in various studies concerning the renovation of residential buildings [28,30,[34][35][36][37][38]. In the case of the renovation project under analysis in this study, researchers closely followed the project from its beginning, employing different assessments to select renovation measures through simulation software [39][40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Greenhouse Gas Payback Time of Different HVAC Systems in the Renovation of Nordic District-Heated Multifamily Buildings Considering Future Energy Production Scenarios

Khadra,

Akander,

Myhren

2024

Buildings

View full text Add to dashboard Cite

The European Union (EU) has implemented several policies to enhance energy efficiency. Among these policies is the objective of achieving energy-efficient renovations in at least 3% of EU buildings annually. The primary aim of this study was to offer a precise environmental comparison among four similar district-heated multifamily buildings that have undergone identical energy efficiency measures. The key distinguishing factor among them lies in the HVAC systems installed. The chosen systems were as follows: (1) exhaust ventilation with air pressure control; (2) mechanical ventilation with heat recovery; (3) exhaust ventilation with an exhaust air heat pump; and (4) exhaust ventilation with an exhaust air heat pump with a Photovoltaic (PV) panel. This study involved a life cycle assessment that relied on actual material data from the housing company and energy consumption measurements. This study covered a period of 50 years for thorough analysis. A sensitivity analysis was also conducted to account for various future scenarios of energy production. The findings revealed that the building with an exhaust air heat pump exhibited the lowest greenhouse gas emissions and the shortest carbon payback period (GBPT), needing only around 7 years. In contrast, the building with exhaust ventilation without heat recovery showed the highest emissions and the longest carbon payback period (GBPT), requiring approximately 11 years. Notably, the results were significantly influenced by future scenarios of energy production, emphasizing the crucial role of emission factors in determining the environmental performance of distinct renovation scenarios.

show abstract

Life cycle assessment and costing of carbon neutral hybrid-timber building renovation systems: Three applications in the Republic of Korea

Cited by 17 publications

References 39 publications

The practical study of steel-wood composite column in light and low-carbon building

The practical study of steel-wood composite column in light and low-carbon building

Green construction for low-carbon cities: a review

Greenhouse Gas Payback Time of Different HVAC Systems in the Renovation of Nordic District-Heated Multifamily Buildings Considering Future Energy Production Scenarios

Contact Info

Product

Resources

About