FIVE COMPONENT CONCRETE MIX OPTIMIZATION OF ALUMINUM WASTE USING SCHEFFE’S THEORY

FIVE COMPONENT CONCRETE MIX OPTIMIZATION OF ALUMINUM WASTE USING SCHEFFE’S THEORY ABSTRACT The research investigated some mechanical properties of aluminum waste concrete to harness its structural properties in the construction industry. Aluminum waste which was obtained from Aluminum Extrusion Industry (ALEX) Inyishi in Ikeduru Local Government Area of Imo State was investigated. The mathematical models …

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FRACTURE MECHANICS OF GLASS FIBRE REINFORCED POLYESTER COMPOSITES (GFRP) SUBJECTED TO IMPACT LOAD

FRACTURE MECHANICS OF GLASS FIBRE REINFORCED POLYESTER COMPOSITES (GFRP) SUBJECTED TO IMPACT LOAD ABSTRACT Glass mat reinforcement, which can be easily shattered, is widely used across the world in military, automobile, civil, railway and electronic engineering among others. This research investigated the fracture mechanics of reinforced polyester composites on exposure to sudden impact force, using …

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HEAT AND MASS TRANSFER ANALYSIS OF POTATO DRYING IN A KEROSENE HEATED OVEN

HEAT AND MASS TRANSFER ANALYSIS OF POTATO DRYING IN A KEROSENE HEATED OVEN ABSTRACT Majority of small scale farmers and homes are still using open-sun and/or non-convective methods for drying due to either high cost of gas/electric dryer or lack of electricity in their locations. These methods are time consuming and exposed the products to …

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IMPROVEMENT OF THE PERFORMANCE OF THERMAL POWER SYSTEMS THROUGH ENERGY AND EXERGY ANALYSIS

IMPROVEMENT OF THE PERFORMANCE OF THERMAL POWER SYSTEMS THROUGH ENERGY AND EXERGY ANALYSIS ABSTRACT This research work is aimed at using the energy and exergy analysis with thermodynamic data to suggest improvements in the performance of steam and gas turbine power plants. In this regard, specific data from Egbin steam power plant and Geregu I …

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INTEGRATED SOLAR AND HYDRAULIC JUMP ENHANCED WASTE STABILIZATION POND

INTEGRATED SOLAR AND HYDRAULIC JUMP ENHANCED WASTE STABILIZATION POND ABSTRACT This study on the integrated solar and hydraulic jump enhanced waste stabilization pond (ISHJEWSP) is aimed at determining the effect of variations in solar radiation, hydraulic jump, hydro-kinematic factors and pond geometry, on the treatment efficiency of wastewater in the ISHJEWSP. An equation to account …

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MOTIVATIONAL FACTORS IN HUMAN RESOURCE MANAGEMENT (HRM) IN CONSTRUCTION PROJECTS – A CASE STUDY OF SOUTH-SOUTH NIGERIA

MOTIVATIONAL FACTORS IN HUMAN RESOURCE MANAGEMENT (HRM) IN CONSTRUCTION PROJECTS – A CASE STUDY OF SOUTH-SOUTH NIGERIA ABSTRACT The primary objective of this study was to investigate the rank importance or most significant motivating factors on construction employees in South-South Nigeria. The research method for the study included a literature review and field survey. A …

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OPTIMIZATION AND MODELLING OF RICE HUSK ASH-CLAY SOIL STABILIZATION

OPTIMIZATION AND MODELLING OF RICE HUSK ASH-CLAY SOIL STABILIZATION ABSTRACT The over dependent on the utilization of industrially manufactured soil improving additives (cement, lime etc), have dept the cost of such stabilized soils financially high.  The hitherto have continued to deter the underdeveloped and poor nations of the world from providing accessible pavement to their …

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OPTIMIZATION OF PRODUCTION DOWN TIME IN INNOSON PLASTIC MANUFACTURING INDUSTRY

OPTIMIZATION OF PRODUCTION DOWN TIME IN INNOSON PLASTIC MANUFACTURING INDUSTRY Optimization of production downtime in plastic manufacturing serves as a method to minimize machine downtime. This paper describes how to minimize machine downtime using multiple regression analysis in Statistical Package for Social Sciences (SPSS) and graphs was also used to predict the effective of downtime …

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PHYTOREMEDIATION OF HYDROCARBON POLLUTED SOIL USING KENAF (HIBISCUS CANNABINUS L.) PLANT

PHYTOREMEDIATION OF HYDROCARBON POLLUTED SOIL USING KENAF (HIBISCUS CANNABINUS L.) PLANT ABSTRACT Contamination of existing and potential agricultural lands is a major problem associated with the processing and distribution of crude and refined petroleum products in many oil producing countries like Nigeria. Hydrocarbon contaminants in soil are potentially phytotoxic to plants and can interfere with …

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REINVIGORATION OF PROJECT WORKS IN NIGERIA THROUGH COMPULSORY GREEN CONSTRUCTION, (CASE STUDY OF LAGOS STATE)

REINVIGORATION OF PROJECT WORKS IN NIGERIA THROUGH COMPULSORY GREEN CONSTRUCTION, (CASE STUDY OF LAGOS STATE) ABSTRACT Global warming is a serious problem facing the world today as well as the world in the future if left unchecked. In order to stop or avert this problem, our today’s society must change her ways, by learning how …

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SAFETY ANALYSIS OF STRUCTURAL FOUNDATIONS BUILT ON ABANDONED SOLID WASTE SITES

SAFETY ANALYSIS OF STRUCTURAL FOUNDATIONS BUILT ON ABANDONED SOLID WASTE SITES ABSTRACT This study adopted experimental design to investigate the suitability of abandoned solid waste site soil (ASWSS) as a foundation material for building construction. Measurements of geotechnical properties of stratified random soil samples of ASWSS and adjoining natural soil (NS) at depths 1.5, 2.0, …

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THE EFFECT OF NOTCHES ON THE STRENGTH OF COIR – REINFORCED CASHEW NUT SHELL RESIN COMPOSITE

THE EFFECT OF NOTCHES ON THE STRENGTH OF COIR – REINFORCED CASHEW NUT SHELL RESIN COMPOSITE ABSTRACT The effect of notches on the strength of Coir – reinforced cashew nut shell resin composite was investigated. Composite laminates with six different fibre contents (0,0,1, 0.2, 0.3, 0.4 and 0.5 volume fractions) were fabricated using the hand …

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THE EFFECTS OF ROTATIONAL INERTIA ON THE RESPONSE OF DYNAMICALLY LOADED STRUCTURES

THE EFFECTS OF ROTATIONAL INERTIA ON THE RESPONSE OF DYNAMICALLY LOADED STRUCTURES ABSTRACT Engineering structures subjected to dynamic loading exhibit vibration motions. These vibrations induce accelerations on the structures and their component parts. The accelerations in turn generate inertia forces that propagate the vibrations and significantly affect the response of the structures and their components …

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EXERGETIC EFFICIENCY OF PASSIVE SOLAR AIR HEATER WITH PHASE CHANGE ENERGY STORAGE MATERIAL

EXERGETIC EFFICIENCY OF PASSIVE SOLAR AIR HEATER WITH PHASE CHANGE ENERGY STORAGE MATERIAL ABSTRACT Energy and exergy analysis of solar air heater with phase change material energy storage is considered in this research work. Energy and exergy models for component systems like flat plate solar collector and phase change material in one-dimensional heat conduction in …

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DESIGN OF AN EFFICIENT SOLID WASTE MANAGEMENT AND DISPOSAL SCHEDULING SYSTEM- A CASE STUDY OF ENUGU METROPOLIS.

DESIGN OF AN EFFICIENT SOLID WASTE MANAGEMENT AND DISPOSAL SCHEDULING SYSTEM- A CASE STUDY OF ENUGU METROPOLIS. ABSTRACT The Design of an Efficient Solid Waste Management and Disposal Scheduling System in a metropolis is hereby presented. The design employed ten landfill sites in contrast to the existing one landfill site in the metropolis. The metropolis …

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DEVELOPMENT OF LAYERED ELASTIC ANALYSIS PROCEDURE FOR PREDICTION OF FATIGUE AND RUTTING STRAINS IN CEMENT -STABILIZED LATERITIC BASE OF LOW VOLUME ROADS

DEVELOPMENT OF LAYERED ELASTIC ANALYSIS PROCEDURE FOR PREDICTION OF FATIGUE AND RUTTING STRAINS IN CEMENT -STABILIZED LATERITIC BASE OF LOW VOLUME ROADS ABSTRACT It is generally known that the major causes of failure in asphalt pavement is fatigue cracking and rutting deformation, caused by excessive horizontal tensile strain at the bottom of the asphalt layer …

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DYNAMICS OF ORTHOTROPIC PLATES USING CHARACTERISTIC ORTHOGONAL POLYNOMIAL- GALERKIN’S METHOD

DYNAMICS OF ORTHOTROPIC PLATES USING CHARACTERISTIC ORTHOGONAL POLYNOMIAL- GALERKIN’S METHOD ABSTRACT The assumed deflection shapes used in the approximate method such as in the Galerkin method were normally formulated by inspection and sometimes by trial and error , until recently, when a systematic method of constructing such a function in the form of Characteristic Orthogonal …

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EFFECTS OF PARTICLE SIZES ON BIOREMEDIATION OF CRUDE OIL POLLUTED SANDY SOILS

EFFECTS OF PARTICLE SIZES ON BIOREMEDIATION OF CRUDE OIL POLLUTED SANDY SOILS ABSTRACT Bioremediation has been proven to be the most effective method of cleaning up oil contaminated soils through the application of nutrients and microorganism to contaminated soils. Hence, this research was aimed at investigating the effects of particle sizes on bioremediation of crude …

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ESTIMATION OF BIOGAS REACTOR CONSTANTS USING MULTIPLE REGRESSION ANALYSIS

ESTIMATION OF BIOGAS REACTOR CONSTANTS USING MULTIPLE REGRESSION ANALYSIS ABSTRACT Biogas generation is accomplished by anaerobic digestion of biodegradable material in a biogas digester. Anaerobic digestion as a process requires dynamic model for predicting process performance. Mathematical model for biogas production from anaerobic digesters described in this study was used to predict biogas generation using …

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AN EVALUATION OF THE POTENTIALS OF NATURAL GAS IN THE ECONOMIC DEVELOPMENT OF NIGERIA

AN EVALUATION OF THE POTENTIALS OF NATURAL GAS IN THE ECONOMIC DEVELOPMENT OF NIGERIA ABSTRACT This study brought to the fore, a critical evaluation of the potentials of natural gas in the economic development of Nigeria. Natural gas option was considered the best alternative energy resource to other resources for optimizing income earning, indigent capacity …

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ANALYSIS OF AN AUTOMATIC CONTROL SYSTEM FOR ONLINE BLENDING OF PETROL WITH CORROSION INHIBITOR IN THE DIRECT CONTINUOUS ELECTRONIC FUEL INJECTION AUTOMOBILE ENGINE

ANALYSIS OF AN AUTOMATIC CONTROL SYSTEM FOR ONLINE BLENDING OF PETROL WITH CORROSION INHIBITOR IN THE DIRECT CONTINUOUS ELECTRONIC FUEL INJECTION AUTOMOBILE ENGINE ABSTRACT This work analysed the performance of an automatic control system for the online blending of petrol with corrosion inhibitor in the direct, continuous electronic fuel injection automobile engine. The automatic control …

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ANALYSIS OF ORTHOTROPIC PLATES IN FREE VIBRATION REGIME USING RAYLEIGH – RITZ METHOD

ANALYSIS OF ORTHOTROPIC PLATES IN FREE VIBRATION REGIME USING RAYLEIGH – RITZ METHOD ABSTRACT The assumed deflection shapes used in the approximate methods such asin the Rayleigh–Ritz method were normally formulated by inspection andsometimes by trial and error, until recently, when a systematic method ofconstructing such a function in the form of characteristic orthogonal polynomials(COPs) …

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ANALYSIS OF RIGID JOINTED PLANE TRUSS STRUCTURES USING FINITE ELEMENT ANALYSIS TECHNIQUES

ANALYSIS OF RIGID JOINTED PLANE TRUSS STRUCTURES USING FINITE ELEMENT ANALYSIS TECHNIQUES ABSTRACT Analysis of plane truss structures based on the assumptions that (1) members are connected at joints by frictionless pins and (2) loads are applied at joints only have become a norm not minding the facts that our practical trusses are always constructed …

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ANALYSIS OF SANDCRETE BLOCKS PRODUCTION BY USING DIFFERENT SOURCES OF SHARP SANDS IN SOME PARTS OF SOUTH-EAST GEO-POLITICAL ZONES. CASE STUDY- ENUGU AND EBONYI STATE

ANALYSIS OF SANDCRETE BLOCKS PRODUCTION BY USING DIFFERENT SOURCES OF SHARP SANDS IN SOME PARTS OF SOUTH-EAST GEO-POLITICAL ZONES. CASE STUDY- ENUGU AND EBONYI STATE ABSTRACT This study examined the experimental analysis of sandcrete block production by using different sources of sharp sands in Enugu and Ebonyi State of South East Geo-Political Zone. As a …

Read moreANALYSIS OF SANDCRETE BLOCKS PRODUCTION BY USING DIFFERENT SOURCES OF SHARP SANDS IN SOME PARTS OF SOUTH-EAST GEO-POLITICAL ZONES. CASE STUDY- ENUGU AND EBONYI STATE

ANALYSIS OF TRAFFIC CONGESTION IN ABAKPA–NIKE ROAD NETWORK INTERSECTIONS

 ANALYSIS OF TRAFFIC CONGESTION IN ABAKPA–NIKE ROAD NETWORK INTERSECTIONS ABSTRACT Abakpa-Nike is notorious for chaotic traffic due to driver’s indiscipline and poor road network. This study was therefore undertaken to determine the level of traffic congestion at four major intersections: The Abakpa-Nike- Trans-Ekulu T-Junction; Abakpa-Nike Liberty Junction; Afia Abakpa Junction and Nowas Roundabout Intersection in …

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APPRAISAL OF CONSTRUCTION HEALTH AND SAFETY RISK MANAGEMENT IN NIGERIAN CONSTRUCTION INDUSTRY – A CASE STUDY OF THE BUILDING INDUSTRY

APPRAISAL OF CONSTRUCTION HEALTH AND SAFETY RISK MANAGEMENT IN NIGERIAN CONSTRUCTION INDUSTRY – A CASE STUDY OF THE BUILDING INDUSTRY ABSTRACT The study examined the state of health and safety risk management practices in the building sector of the construction industry and has the objectives to: evaluate the construction risks inherent in the building sector …

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BEARING CAPACITY AND CRITICAL NORMAL STRESS DISTRIBUTION OF SOILS BY METHOD OF VARIATIONAL CALCULUS

BEARING CAPACITY AND CRITICAL NORMAL STRESS DISTRIBUTION OF SOILS BY METHOD OF VARIATIONAL CALCULUS ABSTRACT A mathematical technique  is hereby advanced for investigating the bearing capacity and associated normal stress distribution at failure of soil foundations. The stability equations are obtained using the limit equilibrium (LE) conditions. The additions of vertical, horizontal and rotational equilibria …

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COMPARATIVE ANALYSIS OF SOLID WASTES MANAGEMENT PROCEDURES OF SELECTED CITIES IN NIGERIA

COMPARATIVE ANALYSIS OF SOLID WASTES MANAGEMENT PROCEDURES OF SELECTED CITIES IN NIGERIA ABSTRACT Solid waste management is widely recognized as a major concern for cities in developing countries with the potential to cause negative impacts on national development activities like tourism and trade, food supplies, public health and environment. This study comparatively analyzed the solid …

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AN ANALYSIS OF BEAMS ON NON- HOMOGENEOUS ELASTIC FOUNDATION USING INITIAL VALUE APPROACH

AN ANALYSIS OF BEAMS ON NON- HOMOGENEOUS ELASTIC FOUNDATION USING INITIAL VALUE APPROACH ABSTRACT The paper presents an analysis of beams on non-homogeneous elastic foundation, where the deformation is partly localized and partly continuous. The soil was modeled to be in layers, in which two layers within the soil strata were considered. The different layers …

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A DECISION MODEL FOR THE DESIGN AND OPERATION OF INVENTORY PROGRAMMES IN A MANUFACTURING INDUSTRY

A DECISION MODEL FOR THE DESIGN AND OPERATION OF INVENTORY PROGRAMMES IN A MANUFACTURING INDUSTRY ABSTRACT A working inventory model is developed to incorporate the partial back ordering inventory with references to the back ordering inventory model by Jonah and Chukwu. The re-order point models of maximum expected cost and service level approach were also …

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