
Olumoyewa Dotun AtoyebiLandmark University · Civil Engineering
Olumoyewa Dotun Atoyebi
Ph.D, COREN Regd. MNSE MNICE
About
75
Publications
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Introduction
Olumoyewa Dotun Atoyebi currently works at the Civil Engineering Department, Landmark University. Olumoyewa does research in Structural Engineering (Structural Health Monitoring, Reliability Theory and Structural dynamics)and Civil Engineering (Concrete and Materials). Current research/project are 'Structural Health Monitoring, Cement-Bonded and Particle Board, Use of Agricultural Waste in Construction.'
Additional affiliations
Education
October 2011 - October 2015
Publications
Publications (75)
As a way of promoting environmental sustainability, it becomes paramount to salvage the quantity of agricultural wastes being destroyed or disposed into the environment. A novel strategy to reduce these wastes is by reusing them. In the present study, the physical and mechanical properties of particleboards produced from red iron wood (Lophira alat...
In this data article, the splitting tensile strengths of bamboo reinforced lateritic concrete with varying bamboo culm sizes are presented and compared with bamboo reinforced pure concrete (i.e. no lateritic replacement for fine aggregate). 25% of fine aggregate was replaced with laterite and concrete cylinders were cast using bamboo reinforcements...
This study evaluates the splitting tensile strength of lightweight foamed concrete (LWFC) reinforced with steel fibres from waste tyres. The volume fractions of the steel fibres used were 0%, 0.2%, 0.4%, and 0.6% by total volume of concrete. Mix ratio of 1:2.25 (cement: sand) was used with 0.5 water/cement ratio. The splitting tensile strength decr...
The current work reports on the fabrication of composite matrix from saw dust (SD) and recycled polyethylene terephthalate (PET) at different weight ratio by flat-pressed method. Wood plastic composites (WPCs) were made with a thickness of 15 mm after mixing the saw dust and PET followed by a three phase press cycle. Physical properties (Density, W...
One of the most important concrete properties for structural concrete design or redesign is the compressive strength, it gives information on the characteristics of concrete. This strength measure is obtained through standardized crushing tests on cast cubes, the cubes are produced alongside the construction of concrete elements on site however the...
Inclusion of nanoquartz particles in sandcrete blocks has revolutionized their strength and durability, offering a sustainable solution for construction applications where superior performance and longevity are required. This study aims to assess the strength and durability of nano-sandcrete blocks through a comprehensive analysis of their properti...
In building construction, seepage and dampness in walls present serious problems since they can cause structural failures and damage in both residential and commercial contexts. Finding more affordable options is necessary as mitigating these problems frequently requires expensive fixes. This study aims to evaluate the effects of solvothermal-treat...
The need for lightweight structures and to reduce environmental waste which leads to pollution has necessitated the utilization of agro-based materials as aggregates for concrete. Notable among these wastes is the Palm Kernel Shell (PKS). This study investigated the compressive and tensile strength, durability and internal structure of PKS concrete...
Reinforced concrete, a flexible building material, enjoys worldwide acceptance. Yet, its environmental footprint, especially regarding steel production, is substantial. The extensive mining of iron ore contributes to global warming, prompting the quest for greener alternatives. Bamboo fibre and carbon fibre were employed in sustainable industrial a...
This review delves into the transformative role of fibre-reinforced concrete (FRC) in addressing the inherent limitations of conventional concrete. FRC, incorporating diverse fibres like steel, polypropylene, glass, and natural fibres, emerges as a multifaceted technology enhancing mechanical properties, durability, and sustainability. The integrat...
Self-compacting concrete (SCC) is a high-performance material that flows freely and consolidates without segregation or bleeding. This study investigated the effectiveness of incorporating coconut fiber into SCC to improve its strength and toughness. Three mixtures with coconut fiber inclusions of 0.2%, 0.4%, and 0.6% by weight of cement were used....
The 21st century has seen a rise in the demand for building materials, which is not unconnected to the rise in population. The high demand has led to an increase in the price of such commodities as well as a strain on environmental resources and the call for more sustainable, and cost-effective alternatives to replace the conventional materials. In...
This research explores the use of non-destructive equipment (Schmidt Rebound Hammer) to investigate the state of reinforced concrete buildings. A total of 138 Slabs, 266 Beams and 210 Columns were assessed as structural elements spread across six (6) different buildings. The columns, beams and slabs for the residential buildings have overall mean r...
Glass waste produced around the world is disposed of carefreely, creating huge piles in landfills and increasing environmental pollution because it is non-biodegradable. This study was conducted to assess the strength and durability of waste glass as a partial replacement for a mortal mix of sharp sand and stone dust. The glasscrete block samples w...
In modern times, depleting resources have necessitated research on renewable and recyclable materials for particleboard production. This research is centered on using Groundnut Shell Ash (GSA) as a pozzolan for partially replacing cement in the production of Cement-Bonded Particle boards. A mix proportion of 40%, 33% and 27% for cement, periwinkle...
It has become important to explore means of reducing deforestation in our environment by sourcing alternatives for timber in the forest. Bamboo (Bambusa vulgaris) as a type of grass grows abundantly in tropical regions around the world. It is known for its strength and flexibility, which makes it a popular material for construction, furniture, and...
Global production of palm oil in 2022 was estimated at 73 million metric tonnes. The processing of palm oil generates a huge quantity of waste which is often left unprocessed leading to environmental pollution. Gravels are obtained from weathered rocks and are readily available and cheaper than granite as coarse aggregate in concrete. An innovative...
Using recycled concrete aggregates from structural demolition wastes is presenting a potential application in the building industry as a substitute for natural aggregates. It preserves natural resources and brings about a reduction in the space needed as landfill disposal sites. This research was aimed at developing a prognostic model for splitting...
The rising cost of concrete production due to the global recession in world economy caused by the COVID-19 pandemic and the greenhouse gases emitted in the production of cement has necessitated the need for alternative materials for cement. In this study, bamboo strips and steel rebars were used as reinforcements in a ternary blended concrete to de...
Attention on the use of High-Performance Concrete (HPC) for construction works has soared considerably due to the need for large volume of concrete with high level of strength for such works. The mechanical properties of HPC with Bamboo Leaf Ash (BLA) as partial replacement of cement with varying proportions of superplasticizer and water-cement rat...
The demand for High-Performance Concrete (HPC) is on the increase for its good workability, high strength, and better durability. HPC are obtained by incorporating supplementary Cementitious Materials (SCM) into concrete to attain a long-term strength and durability performance. Though, several SCM have been investigated in HPC, the use of Bamboo L...
Appropriate curing of concrete is necessary to obtain maximum durability and achieve designed strength for concrete exposed to different environmental conditions. Curing is regarded as the means of regulating the degree and extent of loss of moisture from concrete when the cement in the concrete is undergoing hydration. This study made a comparativ...
The use of palm kernel shell (PKS) has gained acceptance in the production of concrete. Compressive strength is the mostly used strength characteristics of concrete. The compressive strength CS of concrete should provide a good basis for predicting the splitting tensile strength STS. The aim of this study is to establish a mathematical relationship...
Spalling is a serviceability related defect in buildings that degrades their appearance and if unchecked, could be a threat to building sustainability and lead to structural failures. It is associated with the effect of moisture on the building especially the blockwall. This research focuses on the production of low water-absorption Sandcrete block...
This study is aimed at establishing the use of Plastic Fibres for the production of Interlocking blocks. The density, water absorption properties and flexural strength of the Fibre based concrete batches were determined and compared to that of a control batch. The batches were prepared with a fibre to aggregate ratio of 0.25%, 0.5%, 0.75% and 1.0%,...
This research involves the production of particle boards made from coconut shell, palm kernel shell and coconut husk in different ratios varying from 25%, 30%, 35%, 40% and 50%. These materials were homogeneously mixed with Urea Formaldehyde resin which was the adhesive used commonly known as Top Bond. The physical and mechanical characteristics of...
Particleboard is a construction material that can be used either for construction formworks or house furniture, roofing or insulating materials. Due to its usefulness, this research work is aimed at evaluating the mechanical strength and rheological properties of particleboard using agro-waste namely corncob (CC) and sawdust(SD) with melted pure wa...
This research investigated the effects of aluminium shavings on particleboards produced from sawdust and waste glass using Urea formaldehyde as binder. Twelve (12) boards were produced and each had different variations of sawdust, waste glass and aluminium shavings with a constant volume of adhesive used. The boards were tested for physical propert...
Over the years, the pursuit for locally sourced economical and environmentally safe materials has been on the increase in the development of composite boards. These locally sourced materials are organic materials from plants and livestock such as wood residue, feathers, rice husk, maize husk and bamboo fiber. Therefore, this study utilizes species...
The emergence of waste tire steel fiber (WTSF) which is an undervalued resource was borne out of the need to extract the useful materials in waste tires considering the sheer volume of this resource that is disposed of in landfills globally. These fibers find applications in tunnel linings, hydraulic structures, bridge decks, pavements and slope st...
This document present sources discontinued from SCOPUS in September 2020. It is as published on the Elsevier Website. (https://www.elsevier.com/solutions/scopus/how-scopus-works/content)
In Nigerian building industry, there has been events in practice that required improving the structural integrity of existing structures: such as strengthening the interconnection between members. In cases where new structural members are to be added to the existing ones, instead of condemning the whole structure for demolition and rebuilding, post...
In Nigeria, the high rate generation of waste has resulted in lots of environmental pollution and high cost of waste management. These have led to the reuse of wastes for different purposes including replacements for concrete constituents. In this study, both fine aggregate and coarse aggregate were replaced with waste glass and bankoro respectivel...
Reducing the amount of wastes deposited into the environment has become important. A fresh approach in doing this is by recycling them. This paper investigated the physical and mechanical properties of cement bonded particle boards from agricultural wastes. The particle boards were tested for their physical (density, water absorption and thickness...
The increasing use of cementitious composites for different infrastructure
constructions have led to an increase in the consumption of raw materials such as aggregate which is a major component in cementitious components. In order to reduce the huge strain posed on the natural sources of aggregate, and continually meet the increasing demand of aggr...
Materials in Nigerian building construction are scaling great heights in prices, demanding every stakeholders in the industry to research into alternatives in indigenous materials and agricultural wastes for rural infrastructural development. This research was aimed at investigating the effects of guinea corn ash on mechanical properties of laterit...
In this article, the reliability analysis data of simply supported reinforced concrete beams are presented. Beams are structural elements that are very important in all kinds of structures namely high rise buildings, frame structures, load bearing buildings, timber structures and farm structures. The investigation was done using first order reliabi...
Agricultural waste-based roofing materials can be useful in the construction of farm
structures and green buildings. This study evaluated the transverse breaking strength, flexural strength and Water Absorption properties of concrete roofing tile replacing the conventionally used sisal fiber which provides transverse strength with coir fiber and pl...
Urbanization is a term used for capturing the process by which a rural settlement
transforms into the urban way of life. It is associated with development and civilization. A
multitude of push and pull factors is causing a rapid growth in Nigeria’s process of urbanization. Observations from urban centres in Nigeria have outlined various threats fac...
Pervious concrete can be immensely used in the construction of farm structures for
irrigation purposes in agriculture. This study evaluated the effects of different brands of
Nigerian cement on the properties of pervious concrete. Four different brands of Portland
cement; Dangote Falcon(grade 32.5), Elephant Supaset (grade 42.5), Elephant Lafarge (...
Urbanization is setting an increasing pressure on already confined road traffic networks. The study seeks to identify the significant difference between the traffic flow of the different location within a central business district (CBD) and make useful Engineering recommendations regarding the observation and inferences drawn from the research. Veh...
Interlocking paving blocks (IPB) are an integral part of the pavement infrastructure in developing countries. However, the effect of curing methods on the performance of IPB is vague, and the understanding of this phenomenon will ensure optimum strength and performance for subsequent IPB to be produced. Therefore, this study was carried out to inve...
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....
Given the current realities of incessant pavement distresses frequently experienced on Nigerian highways due to axle loads from heavy-duty vehicles, coupled with the menace of grave environmental pollution from abattoir solid wastes such as Cow-bones, the mechanistic properties of Cow Bone Ash (CBA) as partial replacement for filler in the producti...
Existing reinforced concrete buildings have experienced different forms of failures due to limitations in analysing and interpreting the information derived from the study of their behaviour under loading. Structural Health Monitoring (SHM) which is the study of the way structures relate with different loading conditions using equipment and machine...
Deterioration of highway pavement resulting from flooding is on the increase because of climate change. Previous researches have succeeded in removing the run-off water using pervious concrete but for low traffic density. This research focused on improving the structural performance of pervious concrete for high-density traffic. The 168 test sample...
Agro-waste can be used as raw materials for manufacturing various products after recycling. Different researches have investigated the usefulness of coconut fibers (coir) as a micro-reinforcement in concrete this research is aimed at determining properties of fresh and hardened concrete from Ordinary Portland Cement (OPC) reinforced with coconut fi...
This study considered the production of composite ceiling boards from both agricultural and industrial wastes. Boards with different blending proportions by weight of cement, corncob and sawdust (Cem:Ccb:Swd) were produced and tested. Physical and mechanical tests such as Water Absorption (WA), Thickness Swelling (TS), Modulus of Elasticity (MOE) a...
The study presents a comparative approach between response surface methodology (RSM) and hybridized, genetic algorithm artificial neural network (GA-ANN) in predicting the water absorption, compressive strength, flexural strength split tensile strength and slump for steel fiber reinforced concrete. The effect of process variables such as aspect rat...
The asphalt industry has been perpetually challenged by its hazardous emissions and its contribution to the ongoing climate change and global warming crises. Likewise, the environment has been cumbered by the challenge of improper disposal of non-degradable solid wastes especially crumb rubber in form of scrap tyres resulting in serious environment...
This article evaluates particle board using corncob (CC) particles and mixing it homogeneously in varying percentages 20%, 40%, 50%, 60% and 80% with sugarcane bagasse (SB) using Urea Formaldehyde resin as adhesive. Particleboards of 100% SB and 100% CC were also made, thereby making seven different compositions. Properties of particleboards produc...
The challenge which is very common in Nigeria construction industry is the coarse nature of 1:2:4 conventional mix ratio of green concrete. Most often in Nigeria construction industry, the 1:2:4 conventional mix ratio is often been rationalised and batch to obtain 1:3:3 mix ratio so as to have a workable green concrete. This is often preferable due...
The study presents a comparative approach between Response Surface Methodology (RSM) and hybridized Genetic Algorithm of Artificial Neural Network (GA-ANN) in predicting the water absorption, compressive strength, flexural strength, split tensile strength and slump for steel fibre reinforced concrete. The effects of process variables such as aspect...
The development of particleboard from near-zero landfill of agro-wastes material can play a vital role in economic growth of any country. The use of agro-wastes materials serves as a substitute for the conventional wood-based particleboard and provides an alternative material in the development of a low-cost particleboard. Agro-wastes such as rice...
This paper evaluates the satisfaction of the minimum compressive strengthrequirement of laterized earth moist concrete for grade C20 of BS 8110 (1997) for usein reinforced concrete works, which is 20 N/mm2. Compressive strength test andwater absorption tests were conducted with laterite partially replacing fineaggregate. Batching was by weight, mix...
This data article presents information on the modification of bitumen with bio-oil pyrolyzed from cassava peels, and upgraded with a non-degradable polymer i.e. crumb rubber. Performance tests were carried out on the bio-oil crumb rubber modified bitumen. The main objective of bitumen modification is to produce new binders with improved mechanical,...
In this data article, the experimental data of the density, water absorption and compressive strength of lateritic earth moist concrete are presented. 10% and 20% of fine aggregate were replaced with laterite. Potable water at 0.3 water/cement ratio was used and ordinary Portland cement used as the binder. Concrete cubes (150mm x 150mm x 150mm) wer...
Earthquake is a natural phenomenon which is caused by sudden release of energy in the Earth's crust that creates seismic waves. Seismic response of an overhead water tank with varying foundation types subjected to five different earthquake accelerograms was simulated using Time History Analysis. Tank responses observed includes the base shear, base...
The data in this article are related to the research article titled
“Flexural Strength determination of Reinforced Concrete Elements
with Waste Glass as Partial Replacement for Fine Aggregate” [1].
The article provides information on reinforced concrete beam
elements with the fine aggregate partially replaced with waste
glass in proportions of 0%,...