Engineering

THE USE OF RICE HUSK ASH AS A STABILIZING AGENT FOR LATERITIC SOILS IN THE MANUFACTURE OF BLOCKS FOR LOW COST HOUSING

ABSTRACTThis thesis describes an investigation of the use of rice husk ash, in combination with cement and lime, as a stabilizing agent for lateritic soils in the manufacture of blocks for low cost housing. The effect of the rice husk ash on cement and lime stabilized soils were studied. In order...

Engineering Type: PROJECT

📄 91 pages | 🧠 9305 words | 📚 5 chapters

325 views

STUDIES OF LIQUID PHASE MIXING AND BED EXPANSION OF GAS PRODUCING ANAEROBIC FLUIDIZED BED BIOREACTOR

ABSTRACTLiquid phase mixing and holdup are two important parameters required for the modelling and consequent evaluation of the performance of anaerobic fluidized bed bioreactors. Few papers have appeared in recent times, attempting to characterize liquid phase mixing and holdup in simulated biol...

Engineering Type: PROJECT

📄 91 pages | 🧠 8030 words | 📚 5 chapters

318 views

TOWARDS SIMPLIFIED COMPUTER-BASED ANALYSIS OF SKEWED-BRIDGES

ABSTRACT Needs for aesthetics, protection of abutments, and safety requirements of greater speeds on highways, demand better alignment. In order to achieve these, skew bridges are frequently built. The analysis of such structures poses specific difficulties to bridge designers, for example, respo...

Engineering Type: PROJECT

📄 99 pages | 🧠 10133 words | 📚 5 chapters

317 views

RELIABILITY-BASED ANALYSIS AND CALIBRATION OF EUROCODE 5 DESIGN CRITERIA FOR A SOLID TIMBER PORTAL FRAME

ABSTRACTIn this study, laboratory tests were conducted on some commonly used timber species (Alstonia boonei, Triplochiton Scleroxylon, Terminalia Ivorensis, Terminalia superba and Lophira Alata) in Nigeria. The tests were in accordance with, EN 408, EN 13153-1 and ASTM D-143). The test results w...

Engineering Type: PROJECT

📄 93 pages | 🧠 9149 words | 📚 5 chapters

322 views

ECONOMIC EVALUATION OF PAVEMENT OVERLAY DESIGN STRATEGIES

A CASE STUDY OF KADUNA-ABUJA ROAD

ABSTRACTThere are two main phases to this work. The first dealt with the overlay thickness design while the second considered economic appraisal of overlay design strategies. Pavement overlay design on Kaduna - Abuja road was carried out based on elastic layer and traffic estimate theories, as we...

Engineering Type: PROJECT

📄 81 pages | 🧠 8318 words | 📚 5 chapters

320 views

MODELLING AND SIMULATION OF AMMONIA-WATER SEPARATION FOR APPLICATION IN ABSORPTION HEAT PUMP

ABSTRACTTheoretical thermodynamic simulations (analyses) were carried out on the Extraction-System-Attached (ESA) Ammonia- Water Absorption Heat Pump cycles which were developed with the aim of improving the thermodynamic performance achievable with the conventional cycle. Theoretical simulation ...

Engineering Type: PROJECT

📄 100 pages | 🧠 6083 words | 📚 5 chapters

299 views

PROCESS DEVELOPMENT AND EQUIPMENT DESIGN FOR DEXTRIN MANUFACTURE FROM STARCH

ABSTRACTIn a bid to develop local substitute for imported adhesives, seeing that the local consumption is high, an attempt was made to study the process of dextrin manufacture from starch and to design a converter vessel (Dextrinator) for the process. An experimental study was carried out to exam...

Engineering Type: PROJECT

📄 90 pages | 🧠 8377 words | 📚 5 chapters

307 views

A STUDY OF ROUNDABOUT - MODE OF OPERATION AND PERFORMANCE

ABSTRACTIn deciding which type of control to provide at an intersection, there should be some criteria used. A typical criterion used in some situations is to minimize the delay to vehicles. While there are established methods for estimating dalays at signal control, there does not seem to be any...

Engineering Type: PROJECT

📄 89 pages | 🧠 7683 words | 📚 5 chapters

311 views

Development and Evaluation of a Single-Pass Vegetable (PRIVATE) Mill

ABSTRACTSize reduction is a basic food processing activity and commercial tomato-pepper mills for reducing vegetables and soaked grains are common in Nigeria. A survey of the types and operational problems of tomato-pepper mills in Sabon-Gari Local Government Area (LGA) revealed a neglect of the ...

Engineering Type: PROJECT

📄 90 pages | 🧠 12406 words | 📚 5 chapters

281 views

SORPTION OF METAL IONS FROM AQUEOUS SOLUTION BY POLYMER RESINS:DEVELOPMENT OF A GENERALIZED KINETIC MODEL

ABSTRACTA generalised kinetic model for sorption of metal ions by some sets of polymer resins from aqueous solutions has been developed. For this to be effectively done, one resin type (amberlite IRA 400 CI-, AD 54 OH-, and amberlite IR 45 OH-) was respectively chosen from each set having similar...

Engineering Type: PROJECT

📄 95 pages | 🧠 6567 words | 📚 5 chapters

306 views

A FUNCTIONAL TRANSPORTATION PLAN FOR EFFECTIVE WORKTRIP

A CASE STUDY OF KADUNA METROPOLIS

ABSTRACTThis study entails an evaluation of the characteristics of worktrips of a model Nigerian municipality, Kaduna metropolis. It was found that, on the average, 20% of the monthly income of low income earners is expended on worktrips and the average length of travel is more among this group t...

Engineering Type: PROJECT

📄 93 pages | 🧠 9549 words | 📚 5 chapters

315 views

STUDIES ON TECHNOLOGICAL INTERVENTIONS TO UPGRADE SELECTED INDIGENEOUS FOOD PROCESSES

ABSTRACTThis study pertains to study of indigenous milk and 'Fura' making processes with aim of introducing technological interventions to upgrade the existing methods. Surveys were undertaken at Kano, Kaduna, Sokoto, Kebbi and Katsina States to find out what the existing practices are and variou...

Engineering Type: PROJECT

📄 96 pages | 🧠 9855 words | 📚 5 chapters

323 views

ON LINEAR ELASTIC STRAIN ENERGY-RELEASE RATE AND THE J-INTEGRAL

ABSTRACTA brief review of the trend in Fracture Mechanics studies was provided. Some solutions of elementary fracture mechanics problems were re-investigated. Many of those solutions were shown to have some limitations. These limitations were in the form of introducing some unrealistic stress and...

Engineering Type: PROJECT

📄 91 pages | 🧠 11439 words | 📚 5 chapters

350 views

QUALITY OF SANDCRETE HOLLOW BLOCKS PRODUCED

A CASE STUDY OF KOGI STATE

ABSTRACTThe quality of any building materials or structural unit cannot be over - emphasized as this is vital to the actual performance and durability of structures. This project is a study of the physical properties of sandcrete hollow blocks produced in Kogi State. Site survey covering the enti...

Engineering Type: PROJECT

📄 91 pages | 🧠 8821 words | 📚 5 chapters

344 views

THE HYDROLOGY OF SAMARU DAM CATCHMENT BASIN

ABSTRACTThe hydrological characteristics of this small catchment basin which is essentially an agricultural land are described and the available climatic data examined. One of the methods by which climatic picture may be created is by the averages of the several climatic elements particularly tho...

Engineering Type: PROJECT

📄 87 pages | 🧠 9002 words | 📚 5 chapters

336 views