Mustapha, Zakari
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GREEN AND SUSTAINABLE TECHNOLOGY IN THE GHANAIAN CONSTRUCTION INDUSTRY Mustapha, Zakari; Akomah, Benjamin Boahene; Thomas, Abilgah; Thwala, Wellington Didi
INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD) Vol 7 No 1 (2024): INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/cesd.v7i1.20204

Abstract

Green and sustainable technologies pave the way for environmentally friendly and improve the conservation of natural resources. The study examined the application of green and sustainable technology within the school-built environment in Cape Coast Metropolis, Ghana. The qualitative research method was adopted to collect 92 responses from professionals and other stakeholders in the built environment, via a self-administered questionnaire. Data collected was analyzed using both descriptive statistical and relative importance index (RII). Findings show that thermal and photovoltaic solar energy, utilization of construction and demolition waste products were the most common and more familiar green and sustainable technologies in the built environment. The study also revealed the reduction in waste generation, improvement of indoor air quality, and savings of natural resources as positive impacts of applying green and sustainable technologies. Further findings revealed the unavailability of skilled human resources for the installation of the technologies, high research, and development costs, and much time consumption as piercing negative impacts of the green technology application in the built environment. Stakeholders in the built environment should apply and utilize green technologies to reduce the overall usage and consumption of energy and other raw materials to minimize the effects of global warming and improve the quality of air and water, as well as general projects.  
SUSTAINABLE CONCRETE PRODUCTION USING WASTE GLASS POWDER AS A PARTIAL REPLACEMENT OF FINE AGGREGATE Zebilila, Mohammed D. H.; Mustapha, Zakari; Kikaa, Mohammed Latif; Adu, Theophilus Frimpong; Osei, Daniel Yaw; Theophilus; Turkson, Moses Freebody
INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD) Vol 7 No 1 (2024): INDONESIAN JOURNAL OF CONSTRUCTION ENGINEERING AND SUSTAINABLE DEVELOPMENT (CESD)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/cesd.v7i1.20205

Abstract

The construction industry, in response to environmental concerns tied to traditional methods, explores alternative materials for concrete. The study aims to investigate the strength of concrete using waste glass powder as a partial substitute for sand. Waste glass powder was varied in concrete by 10%, 20%, and 30% replacement with sand. Silt and sieve analysis tests and compressive and water absorption tests were conducted on the constituents of concrete. Findings show that the water absorption test performed on the sample of 30% replacement of sand with waste glass powder absorbed 5 times less water. Percentage replacement of 20% and 30% have compressive strengths greater than the control samples.