Reducing floodwater ingress rates through an exterior masonry wall of a domestic building

Beddoes, David W.; Booth, Colin A.

doi:10.1108/ss-01-2013-0003

Cited by 7 publications

(3 citation statements)

References 15 publications

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“…Water absorption test reveal that the blocks could absorb water up to 42 percent of the dry weight which reduced their weight by 55 percent when wet. In support of this finding, Beddoes and Booth (2015) determine that water penetration in masonry is linked to the initial rate of absorption of brick units and perceivably the workmanship of the bricklayer. The gross density test indicates that blocks were of substandard with density of 1,430 kg/m 3 compared to the recommended minimum of 1,920 kg/m 3 .…”

Section: Discussionmentioning

confidence: 79%

Vulnerability analysis of building structures to floods

Kikwasi

Mbuya

2019

IJBPA

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Purpose There is evidence of increasing urban floods being aftermath of climate change. The purpose of this paper is to present findings-related analysis of vulnerability of building structures in informal settlements to floods and associated coping strategies. Design/methodology/approach The study adopted a case study strategy, supported by field surveys and laboratory experiments. The informal settlement taken as case study is Sunna sub-ward. Field surveys involved interviews, questionnaires and observations and tests were conducted to determine the strength of walls, blocks and mortar. Findings The findings reveal that vulnerability of building structures to floods are due to poor quality of materials used in construction of houses which are influenced by income levels, location (lower areas of Sunna sub-ward) and inadequate storm water drainage system. Moreover, socio-economic vulnerabilities do exist in the settlements and are related to lack of peace of mind, outbreak of disease and expenses related to repairing of flood affected houses. Coping strategies used in the sub-ward for built structures are building barrier walls at the front door of the house and use multiple strategies which are supported by reactive and recovery strategies. Research limitations/implications The findings of this study were mostly affected by limited knowledge of respondents on construction materials and processes. Practical implications Findings of the paper provide an insight on the effects of climate change on building structures in informal settlements and coping strategies in place to protect buildings. The outputs can be used for any other informal settlement in Dar es Salaam the only limitation is the terrain. Originality/value The paper recommends use of quality building materials and technicians/artisans, improvement of surface water drainage and training of residents on the effects of climate change and variability. In addition, promising coping strategies should be adopted while those under-performing should be discouraged as they increase the cost burden among the urban poor.

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Section: Discussionmentioning

confidence: 79%

Vulnerability analysis of building structures to floods

Kikwasi

Mbuya

2019

IJBPA

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“…To prevent damage in building envelopes from flooding, treatments can be applied to the surfaces to prevent ingress of water (in masonry, at least). The level of craftsmanship in the construction may be as important as the materials used (Beddoes & Booth, 2015).…”

Section: Threat Of Overheatingmentioning

confidence: 99%

A Review of Climate Change Adaptive Measures in Architecture Within Temperate Climate Zones

Poulsen¹,

Lauring²,

Brunsgaard³

2020

Journal of Green Building

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Since a large portion of greenhouse gases are emitted by the building sector, there has been a push towards sustainable low energy architecture, which could help mitigate the effects of climate change. Although climate change is considered inevitable, adaptive measures must be taken in the field of architecture to alleviate its impact. Creating an overview of the state of the art in the field of architecture as it adapts to climate change will help identify the problems and possibilities of architectural adaptation. The aim must be to create buildings that are as suitable to the current climate as they are to the climate of the future and maintain an ability to resist the impacts of climate change; this ability to resist potential change is defined as adaptive capacity. It is challenging to reconcile the energy requirements for contemporary buildings with rising temperatures and extreme weather in temperate climate zones. The literature on the subject is explored through iterative searches in scientific databases. In discussions about the possible adaptations to climate change, there needs to be a focus on human adaptation facilitated by architecture and the built environment’s utilization and support of ecosystem services in adaptation strategies, since the scope of climate change reaches beyond the singular building. There are plenty of strategies and technologies from which to draw but little focus on how these should support the design of a building and its inhabitants. In the future it will be necessary to look at the adaptive capacity of a building itself and how the building can benefit its surroundings.

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“…Flood damage assessment could be done using stage-damage functions [4] or fragility functions [5][6][7]. For flood mitigation, there are different techniques to avoid flood damage at the building-level [8,9] including water avoidance [10], water exclusion [11], and water entry [12]. Building first-floor elevation (FFE) is controlled by the community policy of issuing new permits.…”

Section: Introductionmentioning

confidence: 99%

Fragility-Based Flood Risk Modeling to Quantify the Effect of Policy Change on Losses at the Community Level

Nofal

2021

CERJ

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Flooding is a devastating natural hazard whose consequences include loss of life, and damage to community infrastructure, with even further impacts resulting from interdependencies of physical and non-physical systems. Flood risk prediction is a critical component of a comprehensive risk-informed decision framework and is used in combination with information on community resilience planning strategies, flood impacts, and recovery. In this research, a physics-based flood risk model was developed to determine flood hazard characteristics and their corresponding level of damage at the community level. Fragility functions for the impacted buildings from an extensive past field study were used to capture the effect of policy change in terms of increasing first-floor elevation on flood losses to the building stock in the illustrative example community. The unique point about this study is overcoming the flood-related data scarcity by considering different resources, models, and modern technology using Google Street Map View to collect buildings information. In addition to, the algorithm that was developed to handle the spatial characteristics of these data. Therefore, the provided framework can provide policymakers the ability to explore the financial effect of policy changes and allow them to better mitigate flood risk and increase the community resiliency.

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Reducing floodwater ingress rates through an exterior masonry wall of a domestic building

Cited by 7 publications

References 15 publications

Vulnerability analysis of building structures to floods

Vulnerability analysis of building structures to floods

A Review of Climate Change Adaptive Measures in Architecture Within Temperate Climate Zones

Fragility-Based Flood Risk Modeling to Quantify the Effect of Policy Change on Losses at the Community Level

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