The choice of building materials and the rising cost of construction materials have continued to plaque the building and construction industry without an immediate solution. Industrialists and scholars are investigating several naturally occurring materials for concrete composite...
Open access
Research Article10.9734/jerr/2021/v21i117439
Aims: Vehicle accidents on most highways had caused a lot of losses. Many sustained injuries that marred them and left families helpless. Nigeria highways are not exempted. Drunk-driving increases tendency, severity and causality of crashes. Effects of auto crash damage to lives...
Open access
Research Article10.9734/jerr/2021/v21i117437
Treating cracks in asphalt pavements is a major stage of each maintenance work for engineers. The goal of any crack cure is to limit the water intrusion into underlying pavement structure layers. Such water infiltrates in to base layers of the pavement and may cause damage to the...
Open access
Research Article10.9734/jerr/2021/v21i117436
This study assessed the production management practice being adopted in the manufacture of quality sandcrete blocks in selected sampled parts of Owerri municipal, Imo State, Nigeria. Myriads of literature identify sandcrete blocks as a significant material being used in the build...
Open access
Research Article10.9734/jerr/2021/v21i117435
This study presents the results of an experimental investigation into the behaviour of ferrocement beams after exposure to various types of ferrocement and ferrocement layers. In the experimental programme, seven simply supported beams were tested up to failure under a four-point...
Open access
Research Article10.9734/jerr/2021/v21i117434
Aims: A snake gourd seeds sheller which comprises of hopper, decorticating chamber, and the cleaning chamber was designed, fabricated and evaluated in this study. Methodology: A 3-level factorial response surface methodology (RSM) of design expert version 6.0.8 of 2002 was used t...
Open access
Research Article10.9734/jerr/2021/v20i1217432
Auto Thermal Control device is an electronic based device which employs the application of temperature sensors to controlling household appliances without human interference directly. In this work, thermal source is used to regulate electrical fan and room heater depending on amb...
Open access
Research Article10.9734/jerr/2021/v20i1217433
A solar tracker is a system that is used for the mechanical orientation of solar payloads (collectors and photovoltaic panels) towards the sun. A simple, low-cost, but effective open-loop dual axis solar tracking system was developed in this work. The tracker is an embedded syste...
Open access
Research Article10.9734/jerr/2021/v20i1217428
The aim of this research is to establish the challenges to health and safety compliance for construction projects in South East Nigeria. This study which is essentially survey based and empirical collected quantitative and qualitative data through questionnaire survey and field o...
Open access
Research Article10.9734/jerr/2021/v20i1217427
Renewable technologies are technically viable and economically attractive; traditional energy technology receives many investment dollars. This study examines the integration of renewable energy sources using functions that associate emissions with power generation; traditional p...
Open access
Research Article10.9734/jerr/2021/v20i1217426
The harm of nitrogen dioxide is not limited to the great impact on the atmosphere, environmental safety and even harms human, animal, and plant life. Damage to devices and buildings can cause industrial accidents, huge property losses, and even cause casualties. Nitrogen dioxide...
Open access
Research Article10.9734/jerr/2021/v20i1217425
Paper manufacturing on a global scale is a highly competitive market which requires to constantly improve the manufacturing process to be competitive. To decrease production cost paper manufactures, add filler material prior to sheet forming to replace costly wood fiber based raw...
Open access
Research Article10.9734/jerr/2021/v20i1217424
This study examines the effects of different burning temperature on the chemical and microstructure properties of WSA. In many parts of the world due to non-availability of proper technology, the farmers generally burn wheat straw after acquiring grains, which causing environment...
Open access
Research Article10.9734/jerr/2021/v20i1217423
The ice-breaking process of the double-layer charge at a depth of 150 cm underwater is simulated by LS-DYNA. This paper analyzes the load type, shock wave pressure characteristics and propagation behavior of the double-layer charge during underwater explosion. By analyzing the im...
Open access
Research Article10.9734/jerr/2021/v20i1217422
Aim: To evaluate the spatio-temporal soil moisture storage and retention capacities in semi-arid rangeland ecosystem, Maasai Mara National Reserve (MMNR), Kenya Study Design: Randomized complete block design (RCBD) of reference Cosmic Ray Neutron Sensor (CRNS) station, ten-(10) s...
Open access
Research Article10.9734/jerr/2021/v20i1217421