Cost-Benefit Analysis of Buildings Retrofitted Using GIB Systems

2016 ◽  
Vol 32 (2) ◽  
pp. 861-879 ◽  
Author(s):  
Hossein Agha Beigi ◽  
Constantin Christopoulos ◽  
Timothy J. Sullivan ◽  
Gian Michele Calvi
Keyword(s):  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Ground Level ◽  
Seismic Intensity ◽  
Benefit Analysis ◽  
Significant Cost ◽  
Soft Story ◽  
Masonry Infills ◽  
System A ◽  
Repair Costs

Recently, the gapped-inclined brace system (GIB) has been developed as an effective retrofitting solution for soft-story buildings. This paper presents a cost-benefit study of a building retrofitted using the GIB system. A six-story, reinforced concrete (RC) frame with an open story at the ground level and masonry infills on all other floors is studied. To investigate the effectiveness of alternate retrofit configurations, different scenarios of GIB systems are numerically analyzed, expected repair costs for various levels of seismic intensity are computed, and cost benefit values are compared to each other and to those obtained when the building is strengthened and stiffened at the ground floor using conventional methods. Results show that GIB retrofit solutions are likely to represent significant cost benefits compared to traditional retrofit solutions. The results also indicate that GIBs do not need to be positioned at all column locations of the soft story, which could be beneficial in reducing the overall retrofit cost and improving architectural functionality of the retrofitted structure.

scholarly journals Quantifying Psychosocial Impacts From Coastal Hazards for Cost-Benefit Analysis in Eastern Quebec, Canada

2021 ◽  
Vol 3 ◽  
Author(s):  
Ursule Boyer-Villemaire ◽  
Cicéron Vignon Kanli ◽  
Guillaume Ledoux ◽  
Charles-Antoine Gosselin ◽  
Sébastien Templier
Keyword(s):  
Protective Factor ◽  
Cost Benefit Analysis ◽  
Human Impacts ◽  
Cost Benefit ◽  
Coastal Hazards ◽  
Benefit Analysis ◽  
Repair Costs ◽  
Psychosocial Impacts ◽  
The Face ◽  
Quantitative Indicators

The assessment of psychosocial impacts related to coastal hazards (erosion, submersion) has so far been mainly qualitative. As cost-benefit analysis is gaining popularity among communities to assess adaptation options in the face of increasing coastal hazards, there is a need to develop quantitative indicators to improve the inclusion of human impacts in decision-making. The project therefore aimed to suggest quantitative indicators for a cost-benefit analysis in the Lower St. Lawrence region exposed to the waters of the estuary of the St. Lawrence River in eastern Quebec, Canada. A systematic survey of five municipalities was conducted in 2019 (n = 101). In general, the prevalence of mental health impacts was the double than that of physical health (30 vs. 14%); and was higher for affected respondents: 50.0 and 23.9%, against 13.5 and 5.8% for unaffected respondents.With regards to psychosocial impacts, the main results were that affected people were 2.33 more stressed in normal times than unaffected respondents and this variation increased to 3.54 during a storm surge warning;the quality of sleep of affected respondents when a storm warning is issued was 2.39 poorer than that of unaffected respondents.With regards with economic impacts, an additional 11% in absenteeism has been observed among respondents affected;the likelihood of experiencing financial difficulties was 1.27 higher for those affected;a small subgroup of affected respondents (<10) declared a mean of 400 CAD of additional health expenses.The results show that the assistance received provides little protection against stress, or even increases it, if it is mainly financial. In addition, a high degree of social isolation and living alone increases stress in the face of hazards. Thus, social capital and psychosocial assistance act as a protective factor in reducing psychosocial impacts. The probability of financial stress, on the other hand, increases in the event of maladaptation (inefficient adaptation expenditures leading to repair costs). Overall, the importance of the impacts measured justifies further economical investigation for their inclusion in the cost-benefit analysis.

Health Effect Valuation of Ground-Level Ozone Control in Beijing and its Surrounding Areas, China

2011 ◽  
Vol 356-360 ◽  
pp. 585-589 ◽  
Author(s):  
Wei Wan ◽  
Xu Xuan Xie ◽  
Shi Qiu Zhang
Keyword(s):  
Cost Benefit Analysis ◽  
Health Effect ◽  
Health Benefit ◽  
Cost Benefit ◽  
Ground Level ◽  
Ozone Pollution ◽  
Benefit Analysis ◽  
Ground Level Ozone ◽  
Ozone Control ◽  
Surrounding Areas

Ground-level ozone pollution has attracted attention from academia and public in China recent years. This paper examines the effect and benefit of controlling ground-level ozone pollution in Beijing and its surrounding areas based on health effect valuation and cost-benefit analysis. It compares pollution damage effects under current ozone concentration and six assuming control targets then estimates the health benefit of air quality improvement by cost-benefit analysis. The result shows that, the benefit of ground-level ozone control is considerably huge for the high population density and pollution concentration area which implies the ground-level ozone pollution control policy implementation is necessary and urgent.

scholarly journals A Feasibility Study of Biogas Technology to Solving Peri-urban Sanitation Problems in Developing Countries. A Case for Harare, Zimbabwe

2013 ◽  
Vol 2 (2) ◽  
pp. 97-104
Author(s):  
G Sibanda ◽  
D Musademba ◽  
H.C. Chihobo ◽  
L Zanamwe
Keyword(s):  
Developing Countries ◽  
Cost Benefit Analysis ◽  
Production Capacity ◽  
Cost Benefit ◽  
Electricity Production ◽  
Baseline Survey ◽  
Benefit Analysis ◽  
Sewer System ◽  
System A ◽  
Biogas Technology

This study investigated the feasibility of converting organic waste into energy using biogas technology to address sanitation problems in peri-urban suburbs of Harare, Zimbabwe.These suburbs with an estimated population of 156.975 are unique in that they are not connected to the Harare main water sewer system. A baseline survey was conducted to determine the quantity of biodegradable human and kitchen waste (N=60). Biodigester sizing and costing was done for various scenarios mainly household standalone, single centralised suburb and combined suburbs centralised biogas models. In addition potential biogas conversion to electricity was done for single centralised suburb and combined suburbs centralised biogas models. This was followed by a cost benefit analysis of employing combined suburbs biogas technology. A combined suburbs centralised biogas model was found to be the most feasible scenario producing 7378 m3 of biogas per day with electricity production capacity of 384 kW .There was a potential of wood savings of 6129 tonnes/year, paraffin savings of 2.556 tonnes/year and greenhouse benefits of 980 tonnes of CO2 equivalent emissions/ year and which would attract U$2940 from carbon credits sales per year. The study recommended the adoption of the biogas technology because of its potential toaddress both economic and sanitation challenges being faced by local authorities in developing countries particularly, improved hygienic conditions, energy supply chronic epidemics and sewerreticulation.

Multi-scale cost-benefit analysis of the Los Angeles Soft-Story Ordinance

2020 ◽  
Vol 214 ◽  
pp. 110652
Author(s):  
Zhengxiang Yi ◽  
Henry V. Burton ◽  
Mehrdad Shokrabadi ◽  
Omar Issa
Keyword(s):  
Los Angeles ◽  
Cost Benefit Analysis ◽  
Cost Benefit ◽  
Benefit Analysis ◽  
Soft Story ◽  
Multi Scale
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