Impacts of Global Warming and Sea Level Rise on Service Life of Chloride-Exposed Concrete Structures

Gao, Xiaojian; Wang, Xiao-Yong

doi:10.3390/su9030460

Cited by 20 publications

(17 citation statements)

References 28 publications

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“…Currently, construction companies of different countries state that the refurbishment and maintenance of buildings represents up to 30% of the activity of the construction sector [1]. The poor durability of many concrete structures, which results in short structural service lives, is not sustainable [2] neither in social nor in economic terms. In recent times, it has been common practice to deal with concrete deterioration mechanisms once the problem is detected and not before it arises.…”

Section: Introductionmentioning

confidence: 99%

Life Cycle Cost Assessment of Preventive Strategies Applied to Prestressed Concrete Bridges Exposed to Chlorides

2018

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This paper applies Life Cycle Assessment methodology to aid in the decision making to select the preventive measure against chloride corrosion in concrete structures that works best for the socioeconomic context of the structure. The assumed model combines the concepts of Life Cycle Cost Analysis and Social Life Cycle Analysis to assess the impacts on users derived from the maintenance activities associated with each alternative analyzed in terms of economic costs. The model has been applied to a prestressed concrete bridge to obtain a preventive measure that can reduce the total costs incurred over the period of analysis by up to 58.5% compared to the cost of the current solution.

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Section: Introductionmentioning

confidence: 99%

Life Cycle Cost Assessment of Preventive Strategies Applied to Prestressed Concrete Bridges Exposed to Chlorides

2018

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“…A study by [18] has further raised the concern of damage to pavement due to improper disposal of storm water or inundation while the effect of wind drive rains on building cladding has been stated by [19]. Another issue of exposure of larger properties to chlorides due to rise in sea level had been identified in a research by [20] and [21].…”

Section: Research Aim and Objectivesmentioning

confidence: 99%

Framework for Assessment of Climate Change related Risks to Buildings

Nayal¹

2020

IJERT

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The paper addresses the increasing risk change in climate poses to building operation and durability. Investors have started to realize that climate change-based risks may affect long term profitability of their assets. The financial impact of these risks is ambiguous, but various studies have been conducted on how durability of built environment is impacted by change in climatic conditions. A framework has thus been formulated that assesses risks to a region or city through indicators for flooding, rise in temperature, poor air quality, rapid urbanization and water scarcity derived from literature. The relative importance of each risk has been derived through survey and the framework has been applied on cities of Chennai, Delhi and Mumbai.

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“…Consequently, chloride penetration and corrosion increase as well (Ranasinghe et al, 2012). Gao and Wang (2017) proposed a probabilistic model for analyzing the effects of global warming and sea level rise on the service life of coastal concrete structures. Their analysis showed that climate change has a significant impact on the service life of concrete.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Corrosion Initiation Process in Reinforced Concrete Structures Under the Impact of Climate Change

Ngoc-Long

Van-Phuc

Morozov

2021

AEJ

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Introduction: Climate change (temperature rise and sea level rise) has a considerable influence on the behavior of concrete structures over time. All concrete degradation processes are connected to climate variables and the effects of climate change. The RCP8.5 (Representative Concentration Pathway) scenario, which is part of the report on climate change and level rise scenarios for Vietnam, predicts that the beginning of the 21st century will see an average annual increase in temperature between 0.8 and 1.1°C. In the mid-21st century, the temperature will likely increase by 1.8–2.3°C, with the temperature in the north likely increasing by 2.0–2.3°C and in the south by 1.8–1.9°C. In marine environments, the degradation of concrete structures can occur rapidly due to chloride-induced reinforcement corrosion. Furthermore, sea level rise is going to reduce the distance from the coastline to the structures and lead to increased surface chloride concentration. Methods: The evaluation of chloride penetration was based on the ASTM C1202 test (ASTM, 2012). The cylinder specimens (d = 100 mm, h = 200 mm) used for a rapid chloride penetration test (RCPT) were immersed in water for 28 days in a water-curing tank. Results: This study proposes a predictive model for analyzing the impact of climate change on the service life of concrete structures on Vietnam’s North Central Coast. The corrosion initiation time decreases by 16.5% when the effects of both temperature rise and sea level rise are taken into consideration. When only temperature rise is taken into consideration, the rate of reduction is approximately 9.0%. These results reaffirm that climate change has a significant effect on the corrosion initiation time of concrete structures located in a marine environment.

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Impacts of Global Warming and Sea Level Rise on Service Life of Chloride-Exposed Concrete Structures

Cited by 20 publications

References 28 publications

Life Cycle Cost Assessment of Preventive Strategies Applied to Prestressed Concrete Bridges Exposed to Chlorides

Life Cycle Cost Assessment of Preventive Strategies Applied to Prestressed Concrete Bridges Exposed to Chlorides

Framework for Assessment of Climate Change related Risks to Buildings

Investigating the Corrosion Initiation Process in Reinforced Concrete Structures Under the Impact of Climate Change

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