The aim of this research is to investigate numerically the effect of using compacted sand as soil replacement layer beneath a strip footing on its bearing capacity. Finite element computer software Plaxis 2D version 8.6 was used to predict the behavior of strip footing resting on...
Open access
Research Article10.9734/jerr/2019/v5i316924
In the semiconductor manufacturing industry, package chip-out is a common defect frequently encountered in trim and form (T/F) process. For thin shrink small outline package (TSSOP), top defect incurred during assembly manufacturing was the package chip-out located at the top su...
Open access
Research Article10.9734/jerr/2019/v5i216922
This study aimed to compare and evaluate the effects of sewer water treated by bio-filter reactors using agriculture waste and that untreated on the corrosion of cast iron pipes. The bio-filter reactor used in this study composed of two types of agriculture wastes which are a two...
Open access
Research Article10.9734/jerr/2019/v5i216923
This paper presents a new conception of shear behaviour of box concrete beams reinforced by composite fabrics. For this purpose, stirrups, wire meshes as shear reinforcement were used. Seven box section concrete beams were tested using two-point loading system. Beams with tensar...
Open access
Research Article10.9734/jerr/2019/v5i216920
In this paper an experimental study was made on the effects of using Rice Straw Ash (RSA) & Wheat Straw Ash (WSA) as partial replacements of cement in mortar. The objects were to produce Nano Silica (NS) form RSA & WSA as agricultural wastes by using chemical acids. Then,...
Open access
Research Article10.9734/jerr/2019/v5i216921
Health Care Facilities (HCFs) are primarily saddled with the responsibilities of providing medical care, thus ensuring sound health of individuals. Tremendous efforts have been made by the government to ensure her availability in nooks and crannies of every community, which have...
Open access
Research Article10.9734/jerr/2019/v5i216919
This study reports on the design, construction and performance evaluation of a domestic gas oven. The oven was designed and was fabricated with an outer dimension of 860 mm length × 660 mm width × 1150 mm height made up of mild steel and the inner dimension of 759 mm length × 559...
Open access
Research Article10.9734/jerr/2019/v5i116917
The microstructure of a weldment can be maintained by ensuring a steady state homogenous melting profile of the welding operation, which includes the deposition of optimum volumes of melted filler wire and substantial part of the heat affected zones of the parent metal to form th...
Open access
Research Article10.9734/jerr/2019/v5i116918
The design of a prototype chemical process absorption column was carried out to facilitate the sequestration of CO2 from flue gas emanating from an exhaust point of a power generating set. Factors such as ambient temperature and atmospheric pressure where factored into considerat...
Open access
Research Article10.9734/jerr/2019/v5i116915
This paper concerned with applying suggested mathematical programming and nonlinear goal programming models to determine the producer's risk (α), consumer's risk (β) and acceptance level (c) simultaneously. The suggested nonlinear goal programming model allowed α and β values to...
Open access
Research Article10.9734/jerr/2019/v5i116914
The aim of this research was to simulate the brine disposal fate within an aquifer. The Visual MODFLOW numerical code was used to predict the salt concentration emigration over time in an aquifer. The model was calibrated using laboratory experimental data. The model results reve...
Open access
Research Article10.9734/jerr/2019/v5i116913
As the world population increases more than ever before and increasing demand on food, feed and fiber, and security, the number of off-the-road vehicles is rapidly increasing for agriculture, forestry, military, mining and construction industries. Many researchers have studied an...
Open access
Research Article10.9734/jerr/2019/v4i416912
The Edwards-curve Digital Signature Algorithm (EdDSA) was proposed to perform fast public-key digital signatures and thus replace the Elliptic-Curve Digital Signature Algorithm. Its key advantages over the latter include higher performance and straightforward, secure implementati...
Open access
Research Article10.9734/jerr/2019/v4i416911
Three surface refraction seismic profiles were conducted in a site targeted for huge construction in an underdeveloped area in Opolo, Yenagoa city to portray some of the subsurface soil engineering characteristics for the purposes of construction. The Generalized Reciprocal Metho...
Open access
Research Article10.9734/jerr/2019/v4i416910
Research on soil-wheel interaction is essential in studies of motion resistance of narrow wheels of agricultural machines. The aim of this research was to study the effects of soil moisture content and tyre inflation pressure on motion resistance of narrow wheels using a locally...
Open access
Research Article10.9734/jerr/2019/v4i416909