Anthony Ede

Covenant University Ota Ogun State, Nigeria · Department of Civil Engineering

This study led to the creation of empirical models of the properties of high-performance self-compacting concrete (HPSCC) with inductionfurnace slag (IFS) added as an extra cementitious ingredient. The ingredients were Portland cement, IFS ranging from 0 to 50% by cement weight, granite, river sand, water, and superplasticizer. Using a slump flow t...

Sandcrete is a construction material composed of cement, fine aggregate, and water. The constituent materials are in great demand due to their use in various buildings. The increasing demand in turn has led to astronomical increases in the cost of procuring these materials thereby making it very difficult to meet the shelter provision requirement o...

Cement manufacturing is a major contributor to the waste of energy as about 3.4GJ of thermal energy is needed to produce 1 tonne of Portland cement, not to mention the emissions of greenhouse gases like carbon di oxide due to the calcination of limestone during Portland cement production. These emissions have caused a dramatic rise in global warmin...

Due to the obvious negative environmental effect of electronic waste because of its limited biodegradability, experts worldwide are interested in developing sustainable construction materials utilizing e-waste and its recovered extractions. The current review attempts to reassess E-waste use in the production of concrete. To assess problems and opp...

Radioactive substances are emitted during the recycling of agricultural waste materials, putting both the environment and people at risk. Thus, the research forecasts the risks from these materials, using deep neural networks (DNN) with a variety of network architectures. Levenberg-Marquardt backpropagation was used as a training algorithm and the...

Mortar is subjected to high temperatures during fire attacks or when it is near heat-radiating equipment like furnaces and reactors. The physical and microstructure of mortar were considerably altered by high temperatures. In this investigation, the effects of elevated temperatures on the flexural and compressive strengths of wood ash (WA) cement m...

High-rise residential and commercial development in developing countries like Nigeria has been spurred by both the rapid growth of the population and the pressing need to protect the country's limited land supply in areas of commercial development. However, recent years have seen an increase in the number of building collapses in Nigeria, which is...

Globally, sustainable construction materials are promoted in the construction and building sector due to the high utilization of Portland cement as a conventional binder and its associated energy and environmental impacts. Consequently, geopolymer concrete emerges as a substitute for conventional concrete. This study designed two grades of geopolym...

Developing more resilient and sustainable physical infrastructure increases the demand for sustainable materials and strengthening approaches. Many investigations into strengthening RC beam structures have used either externally bonded (EB) or near-surface mounted (NSM) systems with synthetic fibre reinforced polymer composites. These synthetic fib...

Induction furnace slag (IFS) and quarry dust (QD) were reported as good materials in making ordinary concrete. Studies were not done on utilizing IFS and QD as constituents of high-performance-self-compacting-concrete (HPSCC). This study aims at assessing the effects of induction furnace slag and quarry dust on the strength and durability of high-p...

Indiscriminate waste disposal poses a severe environmental challenge globally. Recycling of industrial wastes for concrete production is currently the utmost effective way of managing wastes for a cleaner environment and sustainable products. This study investigates the strength characteristics of self-compacting concrete (SCC) containing induction...

The thermal performance (TP) of concrete structures is vital to the evaluation of the fire response. Thus, this study examined the thermal properties slag-based geopolymer concrete (GPC) incorporating corncob ash (CCA). Corncob was valorised and partially used as a substitution for slag under the ambient curing conditions. Sodium hydroxide (SH) sol...

Strength failure persists both in structural and mechanical analysis. One of its prominent characteristics is the adequate provision for parameters that minimise or maximise strength objectives while satisfying boundary conditions. The previous optimisation of concrete strength usually neglects mix design mechanisms induced by optimisation. Recent...

The mould-ability of concrete into intricate forms and the versatility of its constituent materials has made concrete to be the most preferred construction material. However, in developing nations such as Nigeria, poor quality of concrete is listed among the common causes of building collapse. Thus, this study investigated the effects of chemical c...

The demand for the use of steel in the construction industry has been on the increase over the years due to its several advantages over several other construction materials. Some of these advantages are light weight, ease of constructability and durability. In the constructability of a steel structure, the three major connection types that have bee...

Another way of improving concrete production involves incorporating the unique features of high performance concrete with the special properties of self-compacting concrete, resulting in another type of concrete called high performance self-compacting concrete (HPSCC). Many researchers have developed diverse designed control mix for HPSCC which wer...

Concrete performance in its fresh state is not only pertinent for proper concrete placement, consolidation, and finishing but also its properties in its hardened state. Thus, this study optimized the rheology of concrete modified with high silica and alumina precursor (cashew nutshell ash (CNA)). Cashew nutshell was recycled, and the ash obtained w...

This study investigated the flexural strength of geopolymer concrete (GPC) beams produced with ground granulated blast furnace slag (GGBFS) and corn cob ash (CCA). The design of the experiment (DOE), Box-Behnken design (BBD) of the response surface methodology (RSM), was used to optimize the strength. GGBFS was replaced at 0, 20, and 40 wt. % of CC...

Geoelectrical resistivity imaging was integrated with cone penetrating test (CPT) and standard penetrating test (SPT) for a preliminary investigation for building construction in a foreshore environment of Ilubirin Lagos, Nigeria. The two-dimensional electrical imaging revealed two inferred geoelectrical layers of loose silty sand (80.0–400 \(\Omeg...

The shortage and high cost of energy in developing countries of the world has led to the search for other sources of electricity which are renewable and do not constitute to environmental hazards or pollution like fossil fuel. Also, the short life span of batteries which are used to power up important smart devices like the fire alarm makes searchi...

Environmental contamination due to construction and demolition (C&D) waste management is a global issue. It is an even bigger issue specifically for developing countries that encounter different obstacles due to the construction industry's practices caused by a lack of knowledge and the economic status of these countries. The aim of this study is t...

Man’s growing desire for affordable and comfortable buildings have necessitated the diversification of materials and methods in the built sector. Thus, this paper assessed the hydraform blocks as walling materials to examine its current level of usage in the Nigerian built sector. Information was generated via literature reviews, newspapers, and pr...

Information and Communication Technology is playing a vital role in virtually almost every field of human operation such as education sector, medical field, banking sector, agricultural sector, field of engineering and more. Information and Communication Technology has substantially eased operations in several fields and has helped to save resource...

The brittle nature of concrete has always necessitated the need for various forms of reinforcement that will absorb the tensile stress that is responsible for cracking. Conventionally, steel rebar embedded in concrete, giving rise to reinforced concrete structures has turned out to be a composite material that has been most used for infrastructural...

This study correlated the thermal and mechanical properties of concrete produced with anacardium occidentale (cashew) nutshell ash (AONA). Cashew nutshells, agricultural waste products, was valorized to obtain AONA. AONA was replaced at 5, 10, 15, and 20 wt% of cement to produce concrete grade 25 MPa. Density, compressive strength, and thermal cond...

The continuous rise of world population is putting much pressure on the housing and infrastructure stocks available to the society, thereby accentuating the need for more constructions and of course, more pressing demands on the depreciating natural resources. Today, the most used construction materials are concrete and steel, but the amount of pol...

Using wastes products in concrete contributes towards sustainability in civil engineering construction. Producing high-performance-self-compacting concrete (HPSCC), using induction furnace slag (IFS) contributes positively to the sustainability of concrete technology. Many researchers have developed self-compacting concrete (SCC), but there are min...

As the world population continues to increase, so does the demand for raw materials to produce basic needs of the human race. One of the areas where this pressing demand for means of production is evident is in the production of concrete materials for building construction and infrastructure. The source of constitutive materials for concrete produc...

Buildings are essential structures that provide mankind with accommodation in the form of offices, factories, residences, etc. Building Infrastructure aid to increase the Gross domestic product of nations by meeting the present needs as well as helping in the reduction of future deficiencies. Unfortunately, in developing countries like Nigeria, reg...

This study models the flexural strength of concrete modified with cashew nutshell ash (CNA) using reactivity index concepts. Cashew nutshell was valorised and its ash was used at 5, 10, 15 and 20 wt.% of cement via mix proportions of concrete grades C 25–40 targeted at 25–40 MPa at 28 days. The reactivity indexes (RIs) were evaluated based on the o...

An improved indoor environmental quality (IEQ) is a major determinant of human comfort in an occupied space. The current cross-sectional study investigates the link between indoor environmental quality (IEQ) and sick building syndrome symptoms (SBS) emergence with a case study of selected students’ hostels in a Nigerian private university. A quanti...

Synthetic fibres like carbon and glass fibres are commonly used as reinforcing material in polymer composites used by the construction industry to retrofit reinforced concrete (RC) structures. Natural fibres can be developed as a more sustainable alter- native to these synthetic fibres in polymer composites. In this study, a kenaf fibre reinforced...

The method of determining the quantities of geopolymer concrete (GPC) ingredients to attain the required and specifiable characteristics is complex owing to the involvement of more variables compared with Portland cement concrete (PCC) systems. Therefore, this study evaluated the hydraulic responses and chemical resistance of GPC produced with supp...

This study applied the central composite design of the response surface to optimize the mix parameters in the production of ground granulated blast furnace slag (GGBFS)-based geopolymer concrete (GPC) incorporated with corncob ash (CCA) using grade 30 (M 30) and grade 40 (M 40) concrete as design proportions. The influence factors such as binders (...

The increasing effects of environmental degradation and global warming owing to the production of Portland cement for uses in the construction industry premise the need for sustainable construction materials. This study, therefore, harnessed corncob ash (CCA) and ground granulated blast furnace slag (GGBFS) for the production of geopolymer concrete...

Damage in infrastructure can be as a result of its degenerating state under service loads or after exposure to impact loads such as earthquakes. Early damage detection is essential to preventing failure and ensure the integrity and safety of structures. Damages lead to changes in the geometric and material properties like mass, stiffness, and dampi...

This study examines the residual strength of concrete produced with crushed discarded soda-lime glass as aggregates after exposure to elevated heating. The natural aggregates, which comprise both the coarse and fine aggregates were partially and completely replaced by 0, 25, 50, 75 and 100% of the discarded glass. The control and samples containing...

The environmental impact of Portland cement production and utilization in the construction sector has led to the global call for the use of eco-friendly construction materials for the production of cleaner and sustainable products. Therefore, this study explored agro-industrial wastes, slag and corncob ash, for the production of geopolymer concrete...

The negative effects of Portland cement production and utilization on the environment, globally demand a need for environmentally-friendly materials for the production of sustainable material in the construction sector. Therefore, this study harnessed supplementary cementitious materials (SCMs), ground granulated blast furnace slag (GGBFS) and corn...

Utilization of secondary aluminium dross (SAD) as a constituent material in production of concrete is one of the recycling and value-added alternatives of reusing the waste due to the environmental friendliness, economy and improved performances associated with the material. This present study investigates the feasibility of incorporating SAD as a...

Concrete production process is usually designed to meet certain fresh properties, target strength and durability requirement. This process is referred to as the mix design, which guides the quantity and proportions of the various constituent materials to produce the concrete. Concrete mix designs are usually done in accordance to specified standard...

Inefficient near-surface characterizations prior to building construction have largely contributed to the incessant building failures in the form of structural defects and building collapses recently occurring in southern parts of Nigeria. Combined geophysical and geotechnical investigations have been used to select suitable foundation type and dep...

This paper examines the effect of combined bamboo fibers and limestone powder used as filler material on the fresh, hardened and microstructural properties of self-compacting concrete (SCC). The bamboo fibers of aspect ratio (l/d) of 50 and a maximum length of 50 mm was varied in steps of 0.25%, 0.5%, 0.75% and 1% in the SCC mix. While 10% of limes...

Medical wastes are classified as special types of wastes owing to their non-biodegradability. Inadequate medical waste management has been identified as a problem that needs urgent attention in developing countries, especially Nigeria. This study was aimed at estimating the status of medical waste management in Umuahia, southeast Nigeria and making...

This study assessed the effects of the varying ratio of alkaline activators on the short-term mechanical property of slag-based geopolymer concrete (GPC) incorporated with corncob ash (CCA). Consequently, the study harnessed the waste products, eco-friendly and low-carbon footprint materials, ground granulated blast furnace slag (GGBFS) and corncob...

An important component of environmental sustainability is how we can continue improving human welfare within the limits of the earth’s natural resources. With recent research showing that carbondioxide levels in the air are at their highest in 650, 000 years and thus an alarming depletion of the ozone layer, the challenge currently facing many coun...

The geometric rate of biodiversity loss in developing countries like Nigeria has been identified as a problem of major concern. The loss in biodiversity in modern times is evident in the extinction of many plants and animal species. In developing countries like Nigeria, more attention is given to aesthetics, functionality as well as the cost of pro...

Energy efficiency, which is a key factor of sustainable building design is very beneficial to building occupants. This has made the focus on sustainability in the design, to be highly desirable. Studies show that two third of the energy used in existing residential buildings in Nigeria is generated via electricity, however; due to epileptic power s...

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 unde...

The seismic record of Nigeria shows the occurrences of quakes that range from small to medium magnitude as against the belief of some people that Nigeria is aseismic. Researchers in Nigeria have also recently raised alarm that devastating earthquake is likely to be experienced in the nearest future with attention drawn to the south west in Nigeria....

Selection of construction materials are normally based on their ability to support design loads all through the service life of the structure to be built. For a reinforced concrete structure, the prime choices fall on the quality of concrete and steel reinforcing bars. Concrete is a composite of cement matrix which fills the space between aggregate...

Premature deterioration of our nation’s concrete structures has been a persistent and frustrating problem to those responsible for maintaining them as well as to the public. One of the ways to minimize these problems is to make the concrete less permeable by densifying the cementitious paste. This densification is achieved by using a lower water ce...

In a bid to overcome climate change and global warming, the adoption of net zero energy building (nZEB) practices in construction projects has become a viable measure of reducing energy consumption and CO 2 emissions in buildings. nZEB is a facility with a significantly lowered energy needs such that the rest of the energy requirements can be suppl...

Worldwide, the debilitation of structures over the last few decades has been a cause for concern. This has led to the need to create awareness among engineers, and home owners about the different ways in which a structure can be checked for structural safety. To assess the behavior of new and existing buildings to varying loads over time, numerous...

Utilization of clay brick wastes for production of high strength eco-concrete enables the combat of raw resources depletion due to excessive mining as well as mitigating environmental pollution caused by demolition of old brick structures in an effort to achieve environmental sustainability in line with the sustainable development goals (SDGs). Thi...

A nations’ construction sector is an important sector of its economy. The same goes for the Nigerian Construction sector. Huge volumes of investment and capital expenditure from the central economy go into this sector of the economy in a bid to provide infrastructure for sustainable development. The construction industry is a driver for the economi...

Premature deterioration of our nation’s concrete structures has been a persistent and frustrating problem to those responsible for maintaining them as well as to the public. One of the ways to minimize these problems is to make the concrete less permeable by densifying the cementitious paste. This densification is achieved by using a lower water-ce...

Different techniques including the application of steel elements, composite materials and polymeric resins have been used in the past to repair damaged timber beams. However, there is a growing need to replace these materials with those with minimal environmental impact. In addition, stringent requirements of conservation authorities on the compati...

Over the years, advancement in the construction industry and the need for change and improvement towards new structures have led to increase in the use of construction materials and generation of construction and demolition wastes (CDW). These construction wastes are aesthetically displeasing and not of good environmental impact. Its presence in th...

Sustainable transport system must be supported by resilient infrastructure such as bridges. Bridge is an essential transportation structure that offers unique solutions for road and rail traffic to cross rivers, gorges and difficult ground conditions or for reducing conflict points in transportation system by carrying one mode of traffic over the o...

Highway embankment failures are common phenomena in Southern Nigeria. To this end, in situ geotechnical tests and laboratory analyses were used to characterize the underlying lithologic units along a highway alignment in Calabar, Nigeria. The engineering behaviour of the soils mixed with various lime contents was evaluated after a curing period of...

Geoelectrical resistivity imaging technique was conducted at Abule-egba open dumpsite, Lagos with intentions to monitor the movement of the contaminant leachate within the near surface. The two survey traverses (T1 and T2) of 2D electrical resistivity tomography were conducted using Wenner array configuration with minimum electrode spacing of 1 met...

Concrete is the most widely used construction material thereby required a lot of raw resources to keep up with its demand. This leads to depletion of raw resources as well as a continuous build-up of demolished concrete wastes (DCW). In most developing nations like Nigeria, the usual way of disposing these DCW is landfilling. However, recycling has...

The study investigated the effects of rest period on the short-term mechanical property of geopolymer concrete (GPC) that could possibly be easy to embrace in the field to achieve an optimum strength performance. The study utilized both corncob ash (CCA) and ground granulated blast furnace slag (GGBFS) as sustainable construction binders with a vie...

The construction industry is currently the second largest consumer of synthetic FRP products. Increasing environmental awareness and the push for sustainable development fuels the drive to develop high strength natural fibres and bioplastics that can replace the conventional synthetic FRP components. Lignocellulosic plant fibres have considerable h...

This paper presents the results of a monitoring programme designed to investigate the inherent factors contributing to channel instability and riverbank erosion on the Iju River, Southwest Nigeria. Detailed reconnaissance surveys and in situ measurements were used to determine the geomorphometric characteristics of the riverbanks at more than 15 lo...

Sedimentation hazards pose several geoenvironmental problems in active alpine regions and fluvio-deltaic environments. Therefore, this research seeks quantitative knowledge of the mechanisms that trigger riverbank erosion which result in high volumes of sediment yield in the downstream reaches of the Nkisi River. Study of the mechanisms of mass was...

This study examined the rheology of slag-based geopolymer concrete (GPC) incorporated with corncob ash (CCA). In an attempt to sustain an effective way of recycling our waste products and remedying land, water and air pollution, the study harnessed both ground granulated blast furnace slag (GGBFS) and corncob ash (CCA) as sustainable binders. In ad...

Recently, there has been an increase in the use of waste materials for the development of new materials for construction. This is due to the need for sustainable development which emphasizes waste reduction, reduction of greenhouse gases (GHG), greener clean environment and conservation of raw resources. This study examines the appropriateness of c...

This study investigates the influence of the total concentration of all dissolved salts of activators on the compressive strength of geopolymer concrete (GPC). Sodium silicate (Na2SiO3) and six various samples of sodium hydroxide (NaOH) pellets were used as activators. The eco-friendly waste products which are ground-granulated blast-furnace slag (...

The study forecasts the activators’ pH and the compressive strength of the geopolymer concrete (GPC). Sodium silicate and six various products of sodium hydroxide pellets were considered as activators. The industrial and agricultural waste products such as ground-granulated blast-furnace slag (GGBFS) and corncob ash (CCA) were used as binders in th...

All through the ages, the provision of shelter has remained an ever-present challenge of mankind. Perennial difficulties of shelter provision are posed by varying strains dependent of numerous conflicting factors. Civil engineering and other specialty of science and humanity join hands in providing solutions to man’s basic housing and infrastructur...

A nations’ construction sector is an important sector of its economy. The same goes for the Nigerian Construction sector. Huge volumes of investment and capital expenditure from the central economy go into this sector of the economy in a bid to provide infrastructure for sustainable development. The construction industry is a driver for the economi...

A nations' construction sector is an important sector of its economy. The same goes for the Nigerian Construction sector. Huge volumes of investment and capital expenditure from the central economy go into this sector of the economy in a bid to provide infrastructure for sustainable development. The construction industry is a driver for the economi...

The conference aims to bring together notable academic scientists, scholars, researchers, experts, government agencies, policy makers, industrialists and students for the exchange and sharing of experience and research ideas in various fields of science and engineering that are pertinent to sustainable infrastructural development. All full papers...

Geopolymer concrete offers a considerable solution not only to the environmental problem but also to the structural deterioration confronting the world. But, limited or no study is found on its cost implications. Consequently, this study evaluates the production cost and the economy index of geopolymer concrete (GPC) and compares it with the Portla...

The acceptable level of quality in construction projects has long been a problem. Significant resources are wasted on construction projects because of inefficient or non-existent quality management procedures. Therefore, this study evaluates the quality management and the quality grading practices in the construction project with emphasis on the Co...

The emergence of iconic structures around the world increased tourism and economic status of the host cities. Iconic structures stand out and attract the attention of the general public due to their daring structural limits and aesthetic forms. Hence, the design idea of an iconic historic museum is conceptualized in this research. This paper models...

Utilization of recycled waste materials in making concrete is identified as a sustainable means of managing wastes, thereby reducing the energy consumption, preserving the environment and conserving of natural resources from depletion. Researchers referred to this type of concrete as “green” concrete. This study examines the possible reusing of cru...

This study examined the application of pulverize clay brick wastes as alternative constituent for Portland cement replacement in green concrete production using the response surface methodology (RSM). The adopted response surface approach is central composite design (CCD). The statistical models were developed between the concrete constituents (cla...

The acceptable level of quality in construction projects has long been a problem. Significant resources are wasted on construction projects because of inefficient or non-existent quality management procedures. Therefore, this study evaluates the quality management and the quality grading practices in the construction project with emphasis on the Co...

Geopolymer concrete offers a considerable solution not only to the environmental problem but also to the structural deterioration confronting the world. But, limited or no study is found on its cost implications. Consequently, this study evaluates the production cost and the economy index of geopolymer concrete (GPC) and compares it with the Portla...

Utilization of recycled waste materials in making concrete is identified as a sustainable means of managing wastes, thereby reducing the energy consumption, preserving the environment and conserving of natural resources from depletion. Researchers referred to this type of concrete as "green" concrete. This study examines the possible reusing of cru...

The emergence of iconic structures around the world increased tourism and economic status of the of host cities. Iconic structures stand out and attract the attention of the general public due to their daring structural limits and aesthetic forms. Hence, the design idea of an iconic historic museum is conceptualized in this research. This paper mod...