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p-Index From 2021 - 2026
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All Journal Civil and Sustainable Urban Engineering CSID Journal of Infrastructure Development
Nwaki, William
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Transportation

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Inhibitors to Earth-based Materials Adoption in Urban Housing Construction: The View of Design Experts Nwaki, William; Sofolahan, Onyinye; Eze, Emmanuel
Civil and Sustainable Urban Engineering Volume 3 - Issue 2 - 2023
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v3i2.329

Abstract

Earth-based materials are eco-friendly and harmless to the environment but have been neglected and relegated, and preference is given to non-sustainable and expensive conventional materials owing to certain factors. Existing studies in the Nigerian context did not consider the factors hindering the use of earthen materials in urban low-cost housing production. This study presents the outcome of examining the inhibitors to the adoption of earth-based materials in urban housing construction from the perspective of design experts in a developing country like Nigeria. Thus, it fills the critical literature gap in the Nigerian context. A well-structured quantitative questionnaire was utilised to collect data from construction design experts using the snowball sampling technique via electronic means. With a reliability index of 0.899, The gathered data were analysed using frequencies, percentages, Mean score, normalisation value technique, Mann-Whitney U test, overlap analysis, and exploratory factor analysis (EFA). It was found that the major barriers to the use of earth materials in urban housing production are (i) image and aesthetic barriers, (ii) Knowledge and resistance barriers, (iii) technology and data barriers, (iv) strength and maintenance barriers, and (v) demand and demographic barriers. More training and workshops were advocated to increase knowledge of the environmental and economic benefits of these materials among stakeholders to influence their interest and the market for earthen materials' acceptability and usage in housing production in urban areas.
The Impact of Knowledge Management Practices On The Survival and Sustenance of Construction Organisations Onyeagam, Onyealilam; Nwaki, William; Obonadhuze, Bernard; Zakariyau, Mohammed
CSID Journal of Infrastructure Development Vol. 3, No. 2
Publisher : UI Scholars Hub

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Abstract

The dynamics in technological advancement and innovations in construction methods have caused construction organizations to operate in a highly competitive environment. As knowledge is an essential asset for surviving and remaining competitive in the construction industry, this study investigates the impact of knowledge management practices on the survival and sustenance of construction organizations. Construction professionals in Abuja-Nigeria were sampled using a well-structured questionnaire and multi-sampling techniques. The results of the study show that there is a low level of implementation of Knowledge Management among the construction organizations. Furthermore, it is found that the significant benefits of KM implementation are to improve the firm's competitive position, risks reduction, and better collaboration, to encourage innovation and profitability, faster problem solving, to improve project pricing, and to improve client satisfaction and patronage. It can be concluded that KM is a tactical and strategic competitive tool for surviving high competition in the construction industry. To ensure knowledge exchange between the locals and expatriates, the government should make a 'knowledge management plan' an essential part of the contract documents for pre-qualification and selection criteria.
Co-Authors Eze, Emmanuel Obonadhuze, Bernard Onyeagam, Onyealilam SOFOLAHAN, Onyinye Zakariyau, Mohammed