» PREFACE In structural detailing, the project is initiated by the structural engineer. The architectural drawings are prepared by the architect to the required scale and specification given to him by the client. The structural engineer designs the structural frame work of the building and specificati…Continue Reading »
» [APPLICATION OF HENRY SCHEFFE’S AND OSADEBE’S CONCRETE OPTIMISATION THEORY] Abstract Sandcrete blocks are prismatic units manufactured from lean (sand cement) mortar mixes and are the predominant walling materials used in buildings in Nigeria and other countries. Although the blocks are …Continue Reading »
» ABSTRACT The one time held historical and cultural reputation the Enugu city was the cleanest city in Nigeria is fast fading away. in its place great Pyramids of refuse are found at every junction and street corner begging for removal despite of public out cry, public enlightenment programmes on p…Continue Reading »
» ABSTRACT Wastewater stabilization ponds (WSPs) have been identified and are used extensively to provide wastewater treatment throughout the world. It is often preferred to the conventional treatment systems due to its higher performance in terms of pathogen removal, its low maintenance and opera…Continue Reading »
» ABSTRACT This case study is “comparing the strength of blocks made from: cement stabilized laterite blocks, cement stabilized red earth blocks and sand, red earth and laterite blocks and mud blocks dried in the kiln. This project implement the following analysis (1) To effect reduction to the …Continue Reading »
» ABSTRACT In this work, models for predicting six structural characteristics and cost of sand quarry dust blocks were developed. Three model equations namely Scheffe’s simplex lattice design (pseudo component), Scheffe’s simplex lattice design (component proportion) and Osadebe’s model were…Continue Reading »
» ABSTRACT Environmental pollution with petroleum and petrochemical products has been recognized as one of the most important and serious challenges facing environment engineers. Disposal from mechanic sites, accidental leakages from petroleum carrying ships, vandalization of pipelines, have …Continue Reading »
» ABSTRACT Black cotton soil classified as an A 7 6 (24) soil on AASHTO classification collected from new Marte area of Borno state was modified with up to 4% cement and LBWA up to 8% by weight of the soil. The effect of locust bean waste ash (LBWA) on the cement modified soil was studied with resp…Continue Reading »
» ABSTRACT This research work focuses on the development of Iso safety design charts for flexural design of flat slabs at predefined reliability levels in accordance with Eurocode 2 (2004) design criteria. Constitutive models for reinforcing steel and concrete were selected in accordance with the E…Continue Reading »
» ABSTRACT In this thesis the reliability analysis of reinforced concrete bridge decks subjected to high cycle fatigue was undertaken. A simply supported (single span) reinforced concrete bridge deck was specifically used for the investigation. The statistical models of capacity loss were derive…Continue Reading »
» ABSTRACT This work provides results for stochastic safetyevaluation of Nigerian timbers for bridge decks in accordance to American Association of State Transportation and Highway Officials (AASHTO) Load Resistance Factored Design (LRFD) design specifications.A timber bridge is modeled in accor…Continue Reading »
» ABSTRACT Buildings world wide are one of the most essential assets of humanity, and they serve as a major contributor to the sustainable development of any nation. The consequences of building collapse is usually colossal ranging from loss of lives, damage to property and its attendant socio e…Continue Reading »
» ABSTRACT This research is focused at designing of water storage facilities of size 875,000 litres (750,000 litres for underground water storage, and 125,000 Litres for elevated steel tank) of treated wastewater and its transmission system for the storage and re use of treated wastewater. Th…Continue Reading »
» ABSTRACT The concept of public participation and how it can be incorporated in transport planning was studied. Current planning methods and steps were reviewed, and a tool which incorporates public participation in planning (questionnaire) was developed. This study was carried out using questionn…Continue Reading »
» CHAPTER ONE INTRODUCTION BACKGROUND OF STUDY An unpalatable incident that occurs uncertainly or unexpectedly is referred as Accident.; it can be characterized as an occurrence that happens by some coincidence. Road traffic accident is hence is an unforeseen marvel that happens due to the utilization…Continue Reading »
» ABSTRACT In this study, the compressive strengths and Modulus of elasticity of lightweight Concrete with oil palm shells as partial replacement of coarse aggregate was presented. The different types of mixing water were used, namely, clean water from Ahmadu Bello University Water Works, Salt w…Continue Reading »
» ABSTRACT The quest for economy in asphalt production using locally available materials necessitated this research which is aimed at evaluating the suitability of Saw Dust Ash (SDA) as mineral filler in asphalt mixture.Chemical analysis, sieve analysis, specific gravity and plasticity index tests …Continue Reading »
» Abstract This work was aimed at providing the most appropriate Nigerian Empirical Mechanistic Flexible Pavement Analysis and Design method (NEMPAD) by incorporating Reliability, using First order reliability method (FORM), considering all the input variabilities, uncertainties, and seasonal varia…Continue Reading »
» ABSTRACT The Reliability Analysis of a Prestressed Concrete Beam (PCB) was presented using First Order Reliability Method and Eurocode 2 procedures to carry out the analysis. The results show that the safety of the PCBin bending decreasedfrom 2.9 to 1.0 and 3.1 to 2.6 as prestress force and the dept…Continue Reading »
» ABSTRACT A stochastic evaluation of the performance of Carbon Fibre Offshore Plastics (CFRP) offshore platform consideringsubmerged and partially submerged environmental conditions wasanalyzed usingSwedish code,Boverket (2004). A Probability based analysis using First Order Reliability Method (FO…Continue Reading »
» ABSTRACT Six Carbon Fibre Reinforced Plastic (CFRP) pultruded beam section from The Pultex® Pultrusion Design Manual Volume 4 Revision 8 Copyright © 2004 by Creative Pultrusions Inc., were assumed to be simply supported doubly symmetric I section, with uniformly distributed load of 3.5kN/m2 ap…Continue Reading »
» ABSTRACT The technical report of this project deals with the design of a water treatment plant model which consists of five tanks. Water treatment plant model is made up of glass with pipe joining them together to allow movement of water from one tank to another. 6mm plain glass is used for base and…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY Flood is a basic phenomenon of nature, it occurs during or immediately after an intensive rainfall or large and sudden snow melt due to increase in temperature (in the glacial/temperate countries). Also, flood is a high water stage in wh…Continue Reading »
» ABSTRACT General procedure for complete road design which is divided into geometric design, drainage design, and pavement design were adopted in the course of execution of this project. Introductory discussion were made under which highway planning, geometric design, drainage design, pavement design…Continue Reading »
» ABSTRACT A significant revolution with computers’ usage in civil engineering business and construction process has been presented. Computers reduce all the extensive work specifically through the introduction of programs and software. Lately, software development has effectively contributed in …Continue Reading »
