评估材料使用寿命对阿拉伯联合酋长国住宅别墅体现能源的影响

IF 3.6 2区工程技术 Q1 ENGINEERING, CIVIL

Engineering, Construction and Architectural Management Pub Date : 2024-03-22 DOI:10.1108/ecam-05-2023-0514

Abdul Rauf, Daniel Efurosibina Attoye, Robert H. Crawford

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引用次数: 0

摘要

目的最近，人们开始转向对建筑物进行体现能源评估。然而，材料使用寿命对生命周期内体现能源的影响却很少受到关注。设计/方法/途径我们采用基于投入产出的混合分析方法，使用平均、最小和最大材料使用寿命值，量化了阿联酋一栋建筑寿命超过 50 年的别墅的生命周期内的体现能源。我们使用 MS Excel 进行了数学计算，并使用了包含该别墅 170 种建筑材料和组件的详细工程量清单进行调查。研究结果对于基本情况，初始体现能源为生命周期体现能源的 57%（7390.5 GJ），而根据平均材料使用寿命值计算的经常性体现能源为生命周期体现能源的 43%（5690 GJ）。研究结果为指导阿联酋的建筑施工提供了新的数据，并表明经常性能耗在生命周期能耗需求中占很大比例。此外，对材料使用寿命变化的研究为未来建筑材料规格和建筑维护管理方面的考虑提供了更深入的见解。

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Evaluating the impact of material service life on embodied energy of residential villas in the United Arab Emirates

Purpose

Recently, there has been a shift toward the embodied energy assessment of buildings. However, the impact of material service life on the life-cycle embodied energy has received little attention. We aimed to address this knowledge gap, particularly in the context of the UAE and investigated the embodied energy associated with the use of concrete and other materials commonly used in residential buildings in the hot desert climate of the UAE.

Design/methodology/approach

Using input–output based hybrid analysis, we quantified the life-cycle embodied energy of a villa in the UAE with over 50 years of building life using the average, minimum, and maximum material service life values. Mathematical calculations were performed using MS Excel, and a detailed bill of quantities with >170 building materials and components of the villa were used for investigation.

Findings

For the base case, the initial embodied energy was 57% (7390.5 GJ), whereas the recurrent embodied energy was 43% (5,690 GJ) of the life-cycle embodied energy based on average material service life values. The proportion of the recurrent embodied energy with minimum material service life values was increased to 68% of the life-cycle embodied energy, while it dropped to 15% with maximum material service life values.

Originality/value

The findings provide new data to guide building construction in the UAE and show that recurrent embodied energy contributes significantly to life-cycle energy demand. Further, the study of material service life variations provides deeper insights into future building material specifications and management considerations for building maintenance.

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来源期刊

Engineering, Construction and Architectural Management Business, Management and Accounting-General Business,Management and Accounting

CiteScore

8.10

自引率

19.50%

发文量

226

期刊介绍： ECAM publishes original peer-reviewed research papers, case studies, technical notes, book reviews, features, discussions and other contemporary articles that advance research and practice in engineering, construction and architectural management. In particular, ECAM seeks to advance integrated design and construction practices, project lifecycle management, and sustainable construction. The journal’s scope covers all aspects of architectural design, design management, construction/project management, engineering management of major infrastructure projects, and the operation and management of constructed facilities. ECAM also addresses the technological, process, economic/business, environmental/sustainability, political, and social/human developments that influence the construction project delivery process. ECAM strives to establish strong theoretical and empirical debates in the above areas of engineering, architecture, and construction research. Papers should be heavily integrated with the existing and current body of knowledge within the field and develop explicit and novel contributions. Acknowledging the global character of the field, we welcome papers on regional studies but encourage authors to position the work within the broader international context by reviewing and comparing findings from their regional study with studies conducted in other regions or countries whenever possible.