Charles K. Kankam, Selase A. K. Kpo, Russell O. Afrifa, Jack O. Banahene, Johnson Dwomoh Boateng, Joycelyn Esi Asamoah, Maxwell Appiah-Kubi, Theophilus Kwaako, Edward C. Mansal, George Oti Boateng, Daniel Kofi Ati & Enoch Tongyem·Asian Journal of Advanced Research and Reports·2025
Construction demolition waste is a growing environmental concern in developing countries like Ghana due to rapid urban expansion. Glass Fiber Reinforced Polymer (GFRP) bars, known for their high tensile strength, full linear-elastic response, corrosion resistance, non-conductive...
Open access
Research Article10.9734/ajarr/2025/v19i4987
Glass fibre-reinforced polymer (GFRP) bars are increasingly considered alternatives to steel reinforcement because of their corrosion resistance, high strength-to-weight ratio, and electromagnetic neutrality. However, the physiogeometrical properties of GFRP bars manufactured in...
Open access
Research Article10.9734/jsrr/2026/v32i84371
This study investigated the flexural behaviour of reinforced concrete beams reinforced with locally milled medium- to high-yield steel bars containing tension lap splices. The work examined the effects of lap length, concrete grade and bar diameter on tensile and flexural perform...
Open access
Research Article10.9734/ajarr/2026/v20i71415
Lapping, the commonest technique used to splice reinforcement bars, needs no special instrument or skill to execute. However, their usage may result in excessive section reinforcement, which may result in a non-ductile response of the spliced region. The structural performance of...
Open access
Research Article10.9734/jerr/2026/v28i61916
The pursuit of durable, ductile concrete has intensified because steel reinforcement suffers corrosion and durability problems. Glass fiber–reinforced polymer (GFRP) bars offer high strength-to-weight, corrosion resistance, and nonmagnetic properties, yet their low elastic modulu...
Open access
Research Article10.9734/jerr/2026/v28i51889
The mechanical properties of reused Glass Fibre Reinforced Polymer (GFRP) bars retrieved from previously collapsed slabs were first measured before they were used to reinforce two-way concrete slabs. A total of six two-way reinforced concrete slabs measuring 100 mm x 1200 mm x 12...
Open access
Research Article10.9734/ajarr/2026/v20i11253
A major cause of reinforced concrete deterioration especially in coastal and moist prone areas is corrosion. It has become a threat to reinforced concrete structural integrity throughout the service life of the structural member, and it calls for endless remedial activities with...
Open access
Research Article10.9734/jerr/2025/v27i81615
The study aimed to assess the lap strength of reinforcing steel bars milled from scrap metals in beams. Lapping of reinforcing bars is generally inevitable in concrete members such as beams, slabs and columns due to construction dictates and such bars are required to effectively...
Open access
Research Article10.9734/jerr/2025/v27i71564
This paper presents the results of an experimental investigation on the shear behavior of reinforced concrete (RC) beams reinforced with Glass Fiber Reinforced Polymer (GFRP) bars. A total of six (6) RC beam specimens of dimensions 120 mm x 200 mm x 2000 mm were cast, consisting...
Open access
Research Article10.9734/ajarr/2025/v19i4969
George Andoh, Charles K. Kankam, Francis Ohene-Coffie, Ezekiel Sackitey Nanor, Selase A. K. Kpo, Kofi Owusu Sarpong & Fredrick Ali Issifu·Asian Journal of Advanced Research and Reports·2025
It is a very common practice in several countries to find service pipes passing through beams transversely and vertically during construction. This practice has the potential of threatening the full-strength capacity of the structural element. This paper presents an experimental...
Open access
Research Article10.9734/ajarr/2025/v19i1879
Corrosion becomes a threat to reinforced concrete structural integrity during the service life of the structural member. This situation has become a global concern because of the economic and safety implications. Hence, many corrosion inhibition techniques including coating with...
Open access
Research Article10.9734/jsrr/2024/v30i112598
The paper presents the results of investigation on reinforced beams adopting eco-friendly materials for sustainable concrete. The use of African fan palm is explored to mitigate the environmental impact aimed at reducing carbon emissions associated with the production and use of...
Open access
Research Article10.9734/jsrr/2024/v30i102482
Laterite interlocking blocks are usually compressed with cementing materials, Burnt Sawdust Ash (BSDA) to improve their performance properties for construction purpose. The study aimed to partially replace ordinary Portland cement (oPc) with burnt sawdust ash (BSDA) from timber s...
Open access
Research Article10.9734/jmsrr/2024/v7i4348
Selase A. K. Kpo, Charles K. Kankam, Francis Ohene-Coffie, George Oti Boateng, Ezekiel Sackitey Nanor, John K. Quarm Junior & Edward C. Mansal·Asian Journal of Advanced Research and Reports·2024
This research presents findings from experiments conducted on the strength and deformation characteristics of concrete beams reinforced with Glass Fiber Reinforced Polymer (GFRP) bars and conventional steel bars as control. The mechanical properties of the GFRP bars and steel bar...
Open access
Research Article10.9734/ajarr/2024/v18i9741
Steel is extensively used as a reinforcing material for concrete structures in Ghana. In order to meet this high demand, some local steel manufacturing companies use recycled scrap metals to manufacture steel bars to augment the quantity that is imported. However, the physical an...
Open access
Research Article10.9734/jerr/2024/v26i91262
Traditional concrete mixtures that include aggregates from naturally occurring sources offer advantages in terms of strength, workability, and water absorption, as well as a wide range of application possibilities. There is a need to further investigate the enhanced mechanical ch...
Open access
Research Article10.9734/ajarr/2024/v18i7703
In the construction industry in Ghana and many other developing countries, blocks are predominantly used for the construction of walls in housing units. Their widespread application has led to the astronomical costs of producing the blocks units with significant environmental cha...
George Oti Boateng, Charles K. Kankam, Edward C. Mansar, Russell O. Afrifa, Felix Kwarteng, Francis Ohene-Coffie & Selase A. K. Kpo·Journal of Engineering Research and Reports·2024
This study examined the mechanical characteristics of glass fiber-reinforced polymer (GFRP) bars following its introduction in the Ghanaian construction industry. Tensile strength, tensile failure strain, and modulus of elasticity for different GFRP bar diameters were examined. T...
Open access
Research Article10.9734/jerr/2024/v26i71200
In recent years, the use of GFRP reinforcing bars in place of steel reinforcing bars in concrete structures such as, buildings, roads, and bridges cannot be overlooked as they offer advantages such as higher tensile strength, corrosion resistance, reduced weight and cost effectiv...
Open access
Research Article10.9734/jerr/2024/v26i71189
Steel is used extensively as a concrete reinforcing material in the construction industry in Ghana. Aside from its use as a reinforcing member, many steel-framed structures are also springing up, particularly in the industrial areas of the country. To address the high-demand for...
Open access
Research Article10.9734/jerr/2024/v26i61176
This research investigated the behaviour of square reinforced concrete columns with embedded PVC pipes, aiming to comprehensively analyze their performance. The study addressed the lack of significant research on the contributions and effects of embedded PVC pipes on structural p...
Open access
Research Article10.9734/jerr/2024/v26i31101
Globally, sources of natural aggregate such as sand and quarry dust as fine aggregate, and crushed granite, sandstone, dolomite and basalt as coarse aggregate for concrete are fast getting depleted or exhausted. There is therefore the need to look for alternative sources to repla...
John K. Quarm Junior, Charles K. Kankam, Prosper Tudagbe-Obuor, Vincent K. Akortia, Emmanuel K. Banini, Evans Biney, Peter K. Adzakey & Christopher Kofi Dzivenu·Journal of Engineering Research and Reports·2023
This study was conducted to examine the structural behavior of concrete beams reinforced with local steel bars available in Ghana. The concrete was prepared from conventional materials of ordinary Portland-limestone cement, pit sand and granitic stones. Steel bars of sizes 12mm,...
Open access
Research Article10.9734/jerr/2023/v24i12860
Palm kernel shells (PKS) and waste automobile tires do not only enhance the properties of concrete (e.g. damping ratio, ductility, impact resistance etc.), but also their rational utilization can significantly reduce carbon footprints and environmental pollution globally. In this...
Open access
Research Article10.9734/jerr/2023/v24i9842
The use of waste materials as aggregates in concrete is hailed by many as a huge step towards addressing the overreliance on granite stones as aggregate in concrete. It also offers a strategic eco-friendly means of disposing these wastes to minimize their impacts on the environme...
Open access
Research Article10.9734/jerr/2023/v24i8833
All throughout the world, millions of end-of-service life automobile tires and Palm Kernel Shells (PKS) are generated as waste that require proper disposal. The reuse of these wastes in concrete is regarded as a novel approach that has environmental, health and performance relate...
Open access
Research Article10.9734/jerr/2023/v24i6819
Steel milling companies are taking advantage of readily available scrap metals as raw materials to produce reinforcing bars. Major steel importers also continue to import reinforcing bars into the country to fill the gap between production and demand for steel reinforcing bars in...
In view of the ever depletion of sources of construction materials, there is a need to explore the feasibility of using palm kernel shells and glass as replacements for natural crushed aggregates in Portland cement concrete. Concrete specimens produced with 25% palm kernel shells...
Open access
Research Article10.9734/jerr/2022/v23i12760
In Ghana, however, ordinary Portland-limestone cement in recent times continues to remain the alternative construction material compared to other brands. With the rising trend of infrastructural development in the country undertaken by individuals and real estate companies, there...
Open access
Research Article10.9734/jerr/2022/v23i517612
The paper presents results of investigation on the influence of different volume fractions of polyethylene fibre on the toughness and ductility characteristics of normal strength concrete beams. Nine conventionally reinforced concrete beams measuring 150mm×200mm×2500mm containing...
This paper reports on the compressive strength and flexural tensile behavior of recycled polyethylene fibre reinforced concrete. Twelve concrete cubes of dimension 150 mm ×150 mm × 150 mm containing 0%, 0.25%, 0.50% and 1.0% of polyethylene fibres were cast and tested per BS 1881...
This study reviewed eighty-three (83) structural integrity reports obtained from two (2) Metropolitan and six (6) Municipal Assemblies in the Greater Accra Region of Ghana to ascertain the availability of national standard assessment methodology and reporting format for structura...
Open access
Research Article10.9734/jerr/2023/v25i101003
A number of research seeking alternative materials to augment normal coarse aggregate to reduce overreliance on granite while saving the environment is on the rise. This study assessed the workability, water absorption and density of concrete with waste ceramic tiles as partial...
Open access
Research Article10.9734/jerr/2022/v23i12789
The need to reduce the increasing demand for crushed granite as coarse aggregate as well as the need to safeguard the environment from degradation has given rise to various researches on alternative materials that can serve the same purpose while minimizing environment hazard. Th...
Open access
Research Article10.9734/jerr/2022/v23i12771
The cost of concrete products keeps increasing due to the increasing cost of cement and crushed granite stone as they are the most commonly used binding agent and aggregate in Ghana. Hence, there is the need to exploit properties of glass powder as pozzolana in concrete and palm...
The performance of concrete samples mixed with different water sources, namely: tap water, river, borehole and hand-dug well from small scale mining catchment areas (known as “galamsey” in Ghana) was assessed. Concrete in the “galamsey” areas are being produced with these water s...