Flexural behavior of LVL made from Australian radiata pine

Structures, Journal Year: 2024, Volume and Issue: 61, P. 106014 - 106014

Published: Feb. 16, 2024

Language: Английский

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Estimation of the orthotropic elastic properties of reinforced LVL panels through vibration-based model updating techniques

Wood Science and Technology, Journal Year: 2025, Volume and Issue: 59(2)

Published: Jan. 31, 2025

Language: Английский

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Life cycle assessment and economic analysis of Reusable formwork materials considering the circular economy

Ain Shams Engineering Journal, Journal Year: 2023, Volume and Issue: 15(4), P. 102585 - 102585

Published: Dec. 14, 2023

Economic development and population growth have impacted on fossil-based energy consumption, contributing to environmental pollution. Adopting circular economy research is more pressing than ever ease pressure the environment economy. Evaluating best construction materials not new. To date, many researchers assessed using various criteria. Formwork differs from other in terms of serviceability reusability. These may be reused multiple times (from 7 around 50 times). This raises question which material a sustainability perspective. In this paper we evaluated four most widely-used formwork used buildings Malaysia. include plastic, steel, plywood timber. Evaluations life cycle assessment (LCA), embodied energy, cost (LCC) were conducted cradle cradle. For single use formwork, timber all categories except human non-carcinogenic toxicity. However, when reuses are considered for same wall completely different result arises. category, steel produces lowest emissions impact global warming potential (GWP). Plastic has carbon emissions. cost, plastic presents option being approximately 20% lower formwork. Because inconsistency results LCA, LCC 50-cycles usage, multi-criteria decision-making (MCDM) tool was normalize results. The MCDM shows that an ideal choice among alternatives considered.

Language: Английский

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Assessing environmental burdens of China's wooden flooring production based on life-cycle assessment

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: 446, P. 141341 - 141341

Published: Feb. 23, 2024

Language: Английский

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Space Efficiency in Tall Hotel Towers

Buildings, Journal Year: 2024, Volume and Issue: 14(7), P. 2051 - 2051

Published: July 5, 2024

Maximizing spatial utilization within tall buildings stands as a paramount planning consideration for ensuring project feasibility, particularly accentuated ins the context of hotel constructions. To date, no comprehensive study has addressed this issue while considering crucial architectural and structural factors. This article fills gap by using case method based on data from 31 contemporary towers. The findings revealed several key points: (i) central core typology was mostly utilized; (ii) prismatic were most prevalent forms; (iii) shear-walled frame systems predominantly employed; (iv) concrete preferred choice construction; (v) average space efficiency ratio area to gross floor (GFA) averaged 81.2% 16%, respectively; (vi) range changed minimum 70% 4% maximum 94% 28%; (vii) showed an inverse relationship with height building. It is anticipated that paper will assist architects engineers well builders involved in developments.

Language: Английский

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Development of high-performance and sustainable polylactic acid/recycled polyolefin blends: Regulation of functionalized polyolefin content and performance optimization

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 143400 - 143400

Published: April 1, 2025

Language: Английский

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High-Rise Residential Timber Buildings: Emerging Architectural and Structural Design Trends

Buildings, Journal Year: 2023, Volume and Issue: 14(1), P. 25 - 25

Published: Dec. 21, 2023

High-rise residential timber buildings (≥8 stories) are an emerging and promising domain, primarily owing to their capacity deliver notable environmental economic benefits over the entire span of existence. However, it is worth noting that current body scholarly work falls short in providing a thorough examination key aspects related architectural structural design for these environmentally sustainable towers. In effort bridge this knowledge gap deepen our comprehension evolving worldwide trends, research delved into data collected from 55 case studies conducted across globe. The primary findings unveiled following: (1) Europe, particularly Nordic countries, stood out as region boasting highest number high-rise buildings, with North America United Kingdom following suit; (2) central cores were prevailing choice core configuration, peripheral type second most common option; (3) prismatic forms commonly favored choices; (4) widespread prevalence employing pure was observed, followed by concrete composite combinations; (5) systems predominantly characterized utilization shear walled frame wall systems. This aims reveal attributes expectation will offer architects valuable assist steer them planning implementing forthcoming projects within domain.

Language: Английский

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High-Rise Timber Offices: Main Architectural and Structural Design Parameters

Buildings, Journal Year: 2024, Volume and Issue: 14(7), P. 1951 - 1951

Published: June 27, 2024

High-rise office structures constructed using timber material (with a minimum of eight stories) signify burgeoning and favorable sector, mainly owing to their ability offer substantial environmental economic advantages across lifespan. However, it is crucial recognize that the current corpus scholarly literature lacks thorough investigation into vital aspects concerning architectural structural planning these sustainable structures. In an effort fill this gap augment understanding advancing international tendencies, paper delved data originating from 27 high-rise offices on worldwide scale. The primary findings were: (i) Central core arrangements were most popular, accounting for 67%, followed by peripheral types at 22%. (ii) Prismatic designs frequently used 85%, with free forms making up 11%. (iii) Material combinations involving concrete widely prevalent, 70% composite constructions, which 74% sample group, pure constructions 26%. (iv) Structural systems predominantly utilized shear walled frame systems, comprising 85% total. This article serves as valuable resource designers, offering guidance executing future developments in domain office.

Language: Английский

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Systematic Review of Construction Waste Management Scenarios: Informing Life Cycle Sustainability Analysis

Circular Economy and Sustainability, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 20, 2024

Abstract Purpose Construction and demolition waste (CDW) is increasing due to rapid urbanization. An estimated 35% of CDW disposed in landfills worldwide. Thus all available strategies for minimizing the environmental economic impacts are explored. This study reviews use recycled construction as substitutes primary materials well reuse that lead circular economy. The aim this analyse previous literature on life cycle analysis contribute Methodology A bibliometric systematic critical review presented investigate contribution sustainability assessment (LCSA). Scopus database was main source data reviewed. geographical distribution, research sources, keywords co-occurrence were analyzed 69 peer-reviewed articles conference papers. Findings Most studies compared (LCA) cost (LCC) alternative concrete recycling methods or using instead aggregates concrete. Recycling concrete, bricks, wood, gypsum, steel most common studied research. knowledge gap proposed future Originality gaps identified focus wood Currently it not clear which options sustainable.

Language: Английский

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Sustainability Impacts of Wood- and Concrete-Based Frame Buildings

Sustainability, Journal Year: 2023, Volume and Issue: 15(2), P. 1560 - 1560

Published: Jan. 13, 2023

The European Commission adopted a long-term strategic vision aiming for climate neutrality by 2050. Lithuania ratified the Paris agreement, making binding commitment to cut its 1990 baseline GHG emissions 40% in all sectors of economy 2030. In Lithuania, main construction material is cement, even though has strong wood-based industry and abundant timber resources. Despite this, approximately twenty percent annual roundwood production from Lithuanian forests exported, as well other final wood products that could be used local sector. To highlight potential frame holds carbon sequestration efforts, concrete buildings were directly compared quantified terms sustainability across their value chains. Here concept “exemplary buildings” was avoided, instead “traditional building” design opted for, two- five-floor public selected. this study, eleven indicators selected compare impacts concrete-based materials, using decision support tool ToSIA (a impact assessment). Findings revealed glue-laminated (GLT) frames more sustainable alternative precast reinforced (PRC) low-rise they showed great promise reducing increasing CO2. An analysis environmental social shows replacement PRC with GLT would lead reduced impacts, alongside range positive impacts.

Language: Английский

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