Journal of Engineering, Design and Technology: Volume 16 Issue 6

Examining barriers for the utilization of non-traditional cost estimating models in developing countries: Ghanaian quantity surveyors’ perspectives

Bismark Agyekum, Ernest Kissi, Daniel Yamoah Agyemang, Edward Badu

Cost estimation model serves as a framework for forecasting the probable cost of proposed construction projects. It can be classified either as traditional or non-traditional…

Influence of the cutting condition on the wear and the surface roughness in the steel AISI 4140 with mixed ceramic and diamond tool

Razika Aouad, Idriss Amara

The purpose of this paper is to study the influence of the cutting conditions (cutting speed, feed rate and cutting depth) on the roughness (Ra) and on the flank wear (Vb) of the…

Validity and reliability of rating scales for subjective breathing resistance of wearing respirators

Yumiao Chen, Zhongliang Yang

Investigating the subjective breathing resistance of wearing respirators requires a valid and reliable technique to measure breathing resistance. The purpose of this study is to…

Under-reporting of construction accidents in Sri Lanka

Nayanthara De Silva, Uthpala Rathnayake, K.M.U.B. Kulasekera

Under-reporting of occupational accidents is a common problem in many countries. This is mainly because of the shortfalls in accident reporting and recording systems. Construction…

Evaluation of vehicle lightweighting to reduce greenhouse gas emissions with focus on magnesium substitution

Siddharth Kulkarni, David John Edwards, Erika Anneli Parn, Craig Chapman, Clinton Ohis Aigbavboa, Richard Cornish

Vehicle weight reduction represents a viable means of meeting tougher regulatory requirements designed to reduce fuel consumption and control greenhouse gas emissions. This paper…

Contextual engineering assessment using an influence-identification tool

Ann-Perry Witmer

This paper aims to introduce a new thought process and associated predictive tool to assist designers of infrastructure for unfamiliar rural societies in understanding the…

An empirical examination of moral hazards and adverse selection on PPP projects: A case study of Ghana

De-Graft Owusu-Manu, David John Edwards, A.S. Kukah, Erika Anneli Parn, Hatem El-Gohary, M. Reza Hosseini

Failures of public–private partnership (PPP) projects are often ascribed to the agency problem, which arise under conditions of inadequate and asymmetric information when a…

The acceleration of 3D graphics transformations based on CUDA

Sura Nawfal, Fakhrulddin Ali

The purpose of this paper is to achieve the acceleration of 3D object transformation using parallel techniques such as multi-core central processing unit (MC CPU) or graphic…

Stability analysis of mobile cranes and determination of outriggers loading

Giuseppe Romanello

The purpose of this paper is to develop mathematical tools that are reliable and easily implementable in computer codes, which address the determination of the outriggers reaction…

Structural applicability of steel fibre-recycled aggregate concrete in construction

Sepani Senaratne, Olivia Mirza, Gregory Lambrousis, Alessandro Fernandez-Soncini

The use of recycled aggregates (RA) has been explored to lead to a more sustainable future. The paper investigates on a sustainable concrete mix incorporating steel fibres (SF…

Economic assessment of bioethanol production from maize in South Africa

Ayanda Ndokwana, Stanley Fore

This research investigated the economic feasibility of using maize as feedstock to produce bioethanol in South Africa. The purpose of the study was to generate economic data from…