Carbon-fibre-reinforced carbon–silicon carbide (C/C–SiC) and carbon-fibre-reinforced silicon carbide (C/SiC) composites occupy a distinctive position among materials for extreme environments because they combine low density, damage tolerance and thermal-shock resistance with a ma...
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Research Article10.9734/jerr/2026/v28i102015
Aims: This study developed construction tiles from recycled polyethylene (PE) waste and sand and evaluated the effects of PE proportion and heating and mixing method on tile properties. Study Design: A quantitative, laboratory-based experimental design was used. Place and Duratio...
Open access
Research Article10.9734/jerr/2026/v28i102016
The joint quality of prefabricated buildings directly determines structural performance. To realise the automatic positioning of concrete pouring equipment for small-size joints in prefabricated buildings, this paper develops an intelligent positioning system integrating YOLOv5 o...
Open access
Research Article10.9734/jerr/2026/v28i102017
This study addresses the engineering challenges of high water content, low bearing capacity, poor equipment accessibility and unsatisfactory reinforcement performance in soft foundations following large-scale dike breaches. A forced-drop-hammer hydraulic compactor is designed for...
Open access
Research Article10.9734/jerr/2026/v28i102018
Voltage instability remains a critical operational concern in the Nigerian 330 kV transmission network, particularly under disturbances and increasing loading. This study evaluated voltage-stability improvement in selected substations within the south-western region using a unifi...
Open access
Research Article10.9734/jerr/2026/v28i102014
Background and Aims: Nigeria’s substantial dependence on crude petroleum for export earnings and public revenue makes its economy particularly exposed to movements in global oil prices. This study examined whether Brent crude oil price is significantly associated with Nigeria’s g...
Open access
Research Article10.9734/jerr/2026/v28i102013
Mechanically fastened joints remain essential in aerospace structures because they provide reliable, inspectable, and certification-mature load paths. Accurate prediction of fastener load transfer and local stress distribution is fundamental to structural sizing, fatigue and dama...
Open access
Research Article10.9734/jerr/2026/v28i92011
Construction defects in stone masonry buildings pose significant challenges to structural safety, durability, and economic sustainability in Nepal's high-altitude regions. This study employs Principal Component Analysis (PCA) to evaluate current and recommended management strateg...
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Research Article10.9734/jerr/2026/v28i92012
Aims: This study investigated the time-frequency and spatial electroencephalography (EEG) characteristics and classification performance associated with motor imagery at different grip force levels, providing experimental evidence for EEG-based decoding of graded grip-force inten...
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Research Article10.9734/jerr/2026/v28i92010
Aims: Conventional code-modulated visual evoked potential (c-VEP) brain–computer interface (BCI) systems commonly employ high-contrast binary black-and-white flickering stimuli, which can induce visual fatigue, while time-shift encoding based on a single pseudorandom sequence lim...
Open access
Research Article10.9734/jerr/2026/v28i92009