Causal Effects between Criteria That Establish the End of Service Life of Buildings and Components

Silva, Ana; Brito, Jorge de; Thomsen, A.F.; Straub, Ad; Prieto, Andrés J.; Lacasse, Michael A.

doi:10.3390/buildings12020088

Cited by 10 publications

(4 citation statements)

References 65 publications

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“…Pushkar [5], based on Brand's concepts, showed that an LCA is highly dependent on the service life of each layer of a building. In addition, in a comprehensive review, Silva et al [6] noted that ignoring human behavior in a building can lead to erroneous predictions of the service life of buildings and their components.…”

Section: Introduction 1the Life-cycle Of Buildings and The Concept Of...mentioning

confidence: 99%

Life-Cycle Assessment of Lightweight Partitions in Residential Buildings

Pushkar

2024

Buildings

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The aim of this study was to evaluate the impact of service conditions on lightweight partitions in residential buildingsusing life-cycle assessments (LCAs). Three alternative service conditions were included as follows: light/moderate, standard, and intensive. LCAs were conducted for pairwise comparisons among three types of lightweight partitions: gypsum board, autoclaved aerated blocks, and hollow concrete blocks. The functional unit considered was 1 m2 of a partition, and the building’s lifespan was 50 years. In light/moderate conditions, the replacement rate for all three partitions was zero times during the building’s lifespan. In standard conditions, the replacement rate for gypsum board and autoclaved aerated blocks was one time during the building’s lifespan, and for hollow concrete blocks, it was zero times. In intensive conditions, the replacement rate for gypsum board was four times during the building’s lifespan, that for autoclaved aerated blocks was two times, and that for hollow concrete blocks was zero times. The six ReCiPe2016 methodological options were used to estimate environmental damage using a two-stage nested analysis of variance. The results showed that, in light/moderate and standard conditions, gypsum board was the best alternative, while in intensive conditions, hollow concrete blocks were the best alternative. In conclusion, the choice of lightweight partitions should be made while taking the service conditions in residential buildings into account.

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Section: Introduction 1the Life-cycle Of Buildings and The Concept Of...mentioning

confidence: 99%

Life-Cycle Assessment of Lightweight Partitions in Residential Buildings

Pushkar

2024

Buildings

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“…Infrastructure deterioration: Many industrial buildings and facilities were built decades ago and are nearing the end of their useful life or have long since expired. This includes not only physical deterioration of materials, but also outdated HVAC systems, electrical networks, etc [7].…”

Section: Introductionmentioning

confidence: 99%

Main problems in the operation of metal gas discharge pipes

Nuguzhinov,

Tokanov,

Rakhimov

et al. 2023

tbus

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This paper delves into the scientific and technical examination of the load-bearing structures within the "Kazak Eli" complex in Astana, specifically addressing the issue of excessive vertical oscillations in relation to its primary horizontal displacements. The collaborative efforts of KazMIRR Institute (Research, Expert and Design and Survey Kazakhstan Multidisciplinary Institute of Reconstruction and Development), in conjunction with the Central Research and Design Institute of Building Metal Structures named after Melnikov, and with the participation of the TsAGI Institute (Central Aerohydrodynamic Institute) named after Professor N. E. Zhukovsky, focused on developing experimental measurements of amplitude-frequency characteristics, including the main tone of natural oscillations. The dynamic experiment, spanning from 2013 to 2020 and involving continuous monitoring of the stele's load-bearing structures, revealed that the metal structures of the monument did not accumulate fatigue damage despite dynamic alternating cyclic impacts. This finding suggested a stable stress-strain state within the load-bearing structures over time. The study produced recommendations in the form of technical solutions to eliminate defects and damages. These solutions aimed to ensure the reliable and safe long-term operation of the structure, accounting for real ground conditions and the parameters of all-season wind impact, including wind pulsations.

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“…Maintenance decisions at the end of building components' service lives are frequently driven by subjective motivations [1]. Subjective motivations can arise from various sources, including the building owner's personal preferences, sentimental attachments, aesthetic considerations, and individual/collective preferences or sense of taste [2]. It is important to acknowledge that subjective motivations for maintenance decisions, beyond technical requirements, hold value as they reflect the human element and emotional connections associated with buildings.…”

Section: Introductionmentioning

confidence: 99%