Engineering

COMPARATIVE STUDY OF PARTICLE BOARDS PRODUCED FROM USING VARIOUS AGRICULTURAL WASTES

ABSTRACTLow density particle boards were produced locally from five different agricultural wastes, (rice husk, maize cob, sawdust, groundnut shell, and coconut shell) by the flat platen pressed method using gum arabic as the binding agent. The investigation aimed at establishing the optimal mass ...

Engineering Type: PROJECT

📄 80 pages | 🧠 10410 words | 📚 5 chapters

269 views

HYDRAULIC AND CONTAMINANT TRANSPORT PERFORMANCE OF COMPACTED LATERITIC SOIL– BENTONITE MIXTURES PROPOSED AS WASTE CONTAINMENT BARRIER

ABSTRACTContamination of the geoenvironment due to unsafe waste disposal practices and leakage from waste repositories is a well-known and widespread problem. Emphasis has therefore been put on the hydraulic properties and contaminant transport capability of materials proposed for use as barriers...

Engineering Type: PROJECT

📄 89 pages | 🧠 6465 words | 📚 5 chapters

293 views

TRANSMISSION AND ABSORPTION MEASUREMENTS OF HIGH ENERGY ELECTRONS WITH METALLIC AND INSULATING FOILS

ABSTRACTThe possible dependence of the extrapolated ranges of electrons on the detector characteristics has been investigated by two methods. These experiments were performed under well standardised geometrical conditions, employing electron beams (0.25 - 0.75 MeV) derived from a Van de Graaff el...

Engineering Type: PROJECT

📄 82 pages | 🧠 12786 words | 📚 5 chapters

245 views

THE EFFECT OF ELAPSE TIME ON THE GEOTECHNICAL PROPERTIES OF LIME-BAGASSE ASH STABILIZED BLACK COTTON SOIL

ABSTRACTThis research was carried out to investigate the effect of elapse time after mixing on the geotechnical properties of soil-lime-bagasse ash mixture. Preliminary investigation on the black cotton soil used showed that the soil belongs to A-7-6 and CH in the AASHTO and Unified Soil Classifi...

Engineering Type: PROJECT

📄 80 pages | 🧠 11538 words | 📚 5 chapters

241 views

PERSPECTIVES ON MACROCELL PROPAGATION MODELS AND ANALYSIS

A CASE STUDY OF Celtel Network, Kano

ABSTRACTThis research studies the propagation prediction variations of three models over a Nigerian urban environment and the development of a suitable propagation prediction model for the environment. The measurements of the received signal strength at various distances for nine base stations we...

Engineering Type: PROJECT

📄 99 pages | 🧠 9834 words | 📚 5 chapters

260 views

POTENTIALS OF USING SOME VEGETABLE OILS AS QUENCHANTS FOR AUSTEMPERING OF STEELS AND CAST IRONS

ABSTRACTAustempering heat treatment practice helps in achieving high strength with good ductility and toughness by evolving a predominantly bainitic or ausferritic microstructure in steels or cast irons respectively by using salt bath. The potentials of using fatty-based vegetable oils as quenchi...

Engineering Type: PROJECT

📄 99 pages | 🧠 6456 words | 📚 5 chapters

292 views

PROPERTIES OF STEEL FIBER MORTAR AND CONCRETE

ABSTRACTSteel fibre mortar and concrete are composite materials made with introduction of steel fibres into cement-based materials within certain percentage of fibre. Steel fibre mortar and concrete had improved properties when compared to plain mortar or concrete. In this work; three types of fi...

Engineering Type: PROJECT

📄 88 pages | 🧠 6575 words | 📚 5 chapters

326 views

STABILIZATION OF BLACK COTTON SOIL WITH LOCUST BEAN WASTE ASH

ABSTRACTAn expansive black cotton soil taken from a borrow pit located along Numan - Ngurore road in the North Eastern part of Nigeria was treated with an agricultural waste ash produced from the burning of the husks of ripe fruits of the African Locust Bean tree that are abundantly available in ...

Engineering Type: PROJECT

📄 97 pages | 🧠 7242 words | 📚 5 chapters

255 views

EVALUATION OF SOLAR-POWERED ABSORPTION HEAT PUMP SYSTEMS FOR MULTIPURPOSE APPLICATIONS

ABSTRACTTheoretical, evaluations of ammonia - water heat pump systems for various applications and the construction and experimental evaluation of absorption heat pump for cooling is presented. The theoretical evaluations include; (i) theoretical evaluation of the various tracking modes as a mean...

Engineering Type: PROJECT

📄 90 pages | 🧠 7340 words | 📚 5 chapters

245 views

UTILISATION OF SELECTED VARIETIES OF COTTON PLANTS GROWN IN NIGERIA FOR PAPERMAKING

ABSTRACTThe utilisation of cotton plant stalks for papermaking, as an alternative to the wasteful disposal of the crop residue by burning, was explored in this study, using four varieties of American upland cotton plants (Gossypium hirsutum), namely: SAMCOTs 6, 8, 9 and 10 grown in Nigeria. Wood ...

Engineering Type: PROJECT

📄 89 pages | 🧠 11919 words | 📚 5 chapters

262 views

SELECTED PHYSICAL AND MECHANICAL PROPERTIES OF COWPEA AS RELATED TO MECHANICAL THRESHING OF THE ENTIRE PLANT SHOOT

ABSTRACTTo eliminate pod-picking, it has become necessary to replace the conventional cowpea (Vigna unguiculata (L.) Unlp) pod thresher with whole shoot thresher. This research work deals with selected physical and mechanical properties of cowpea stalk, pod and grain, as related to the mechanical...

Engineering Type: PROJECT

📄 97 pages | 🧠 11521 words | 📚 5 chapters

261 views

STRENGTH OF CONCRETE COLUMN CONFINED BY PLASTIC PIPE (FYC)

ABSTRACTThis experimental investigation was carried out to determine the strength of concrete confined by plastic pipe and the effect of slenderness ratio on the strength. Pipes of 75mm and 100mm diameters of varied lengths: 410mm to 1210mm were used. Two different concrete mixes were tested: a 1...

Engineering Type: PROJECT

📄 83 pages | 🧠 6458 words | 📚 5 chapters

295 views

THE BEHAVIOUR AND DESIGN OF REINFORCED CONCRETE SHORT CANTILEVERS UNDER PURE TORSION

ABSTRACTA theory for the design of reinforced concrete short cantilever under pure torsion is presented. It is based on the shear-friction theory. The failure plane assumed is supported by observations on test-specimens. Based on the failure surface, the failure torque was found to be primarily a...

Engineering Type: PROJECT

📄 84 pages | 🧠 8307 words | 📚 5 chapters

267 views

COMPARING FIXED STOP AND HAIL STOP MODE OF SERVICE OF FIXED ROUTE INTRA URBAN BUS OPERATIONS

ABSTRACTFixed stops and Hail stops are among the possible mode of service used in intra-urban transit. Under the fixed stop service, vehicles stop to load or unload passengers at designated points only. For the hail stop service vehicles stop to load and/or unload at any point along the route on ...

Engineering Type: PROJECT

📄 85 pages | 🧠 11545 words | 📚 5 chapters

243 views

STOCHASTIC MODELLING OF WIND LOADS IN A WELL BEHAVED WIND CLIMATE

A CASE STUDY OF NIGERIA

ABSTRACTWind loading estimation is one facet of the entire design process. Wind speed as a climatic process which is time-dependent requires proper assessment in order to predict its speed for specified return periods. This requires a good understanding of the wind process within the lower atmosp...

Engineering Type: PROJECT

📄 100 pages | 🧠 6485 words | 📚 5 chapters

267 views