h i g h l i g h t sConcrete with cement replaced with waste materials fosters sustainable development. High volume replacement of PC with pozzolans greatly enhances concrete durability. The particle size of pozzolans significantly affects its performance in concrete. GGBS and POFA have superior performance as PC substitutes at high percentages.
The Sustainable Development Goals (SDGs) recognize the dominance of infrastructure as a panacea for the nation’s development to improve the quality of people’s lives. In Nigeria, inadequate infrastructure has impaired the prospect of attaining some of these SDGs. Some of the identified barriers causing the poor implementations of SDGs in Nigeria include poverty, poor accountability, inadequate domestic water supply, poor energy supply, poor human capital development initiatives, poor transportation and telecommunication networks, illiteracy level, and environmental degradation. But while the SDGs are a non-enforced agreement, the way and manner of implementation and the conditions under which the state acts in accordance with the agenda were not properly spelled out. However, the success of the SDGs in Nigeria requires commitment from government at all levels to provide adequate funding, financial prudence, stable polity, sound policies, availability of functional infrastructural facilities and ensuring value for money. This will result in achieved opportunities such as the establishment of new businesses, boosting of employment rate, ample growth opportunities, enhance risk-adjusted financial returns to investors, an increase in the rate of youth and adults in formal education and non-formal education, and promoting environment friendliness. This review further recommends that government should address the challenges faced in the area of power, telecommunication, corruption and access to agrarian areas in the country in order to have an inclusive infrastructural development that is positively driving growth. Moreover, assessment of projects should include initial capital investment, operational cost, maintenance, and disposal of the asset which will guarantee more sustainable infrastructure projects that are likely to perform much better through the lifecycle. Thus, successfully achieving the SDGs must involve innovative approaches to infrastructure financing and sustainable public procurement.
Building failure or collapse happens both in the developed and developing countries but the rate of occurrence in the developing country such as Nigeria is quite alarming and therefore call concern. The menace of building collapse in Nigeria is very alarming and appalling. Building collapse in Nigeria has become the norms they are easily swept under the carpet whenever it occurs. It is rather unfortunate that both human and economic loss we record each time there is a failure or building collapse is rather humongous. There is also a lot of blame game among professional stakeholders in the industry once failure or collapse of building occur and unfortunately, there is no proper scientific investigation in most developing countries such as Nigeria to ascertain the cause of failure or collapse as the case may be in order to avoid any future occurrence. In the cause of this review, it was discovered that building materials such as reinforcing steel, cement, sand, granite, sandcrete blocks and concrete play huge important role in either the collapse or stability of buildings in Nigeria. The roles of these materials are so vital that they contribute immensely to the collapse of buildings. It was concluded that 10-25% of buildings that collapse in Nigeria are as a result of the use of poor quality building materials. The review has extensively dealt with building collapse in relation with the role of building materials during construction.
This study was carried out to review different types of available innovative construction materials. It was found that advancement in nanotechnology, use of mineral admixture, glass and plastic, biological materials, wood and other construction materials have contributed significantly to the growth of discovery and production of innovative construction materials. The implementation of some innovative construction materials, meets the requirements for sustainability, durability, reliability, safety, cost reduction, increasing quality, better mechanical and physical characteristics, flexibility in extreme conditions and locations, simple assembly and environmentally friendly. Construction materials used to carry out project consumed about 40% of the entire cost of the project in the construction industry. The success stories were recorded in the area of turning industrial and agricultural wastes to wealth. This reviewed paper will enrich the database for innovative materials entering the construction industry.
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