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Quality Improvement in Construction Activity (Case Study Approach) using Vandermonde and Spline Interpolation Techniques

Ngah, Nur Hidayah (2012) Quality Improvement in Construction Activity (Case Study Approach) using Vandermonde and Spline Interpolation Techniques. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

There are two variables that are considered vital elements in any construction activities; cost and quality. Many misinterpret quality of products or services as what you see from the result of the project and how the product/ service being delivered to the client. In reality, the scope of quality involves the whole business model. In quality improvement effort, new methods are adopted namely Vandermonde and spline interpolation. Somehow these two methods are still new in construction industry as there is no established fmdings had been made. This study is continuity from Izzat (20 II) whereby similar approach using Vandermonde and spline was adopted but with small-size case study and from that, some weakness had been identified particularly for Vandermonde interpolation. It is unable to portray clear break-even points in total cost's curve compared to spline interpolation because the data available was insufficient. Thus, the objective of this study is to show how Vandermonde and spline interpolation techniques can be effective quality management tools by using larger-scale case study compared to the previous one. Interpolations for curves are generated using MATLAB application. Both interpolation methods are expected to show better correlation between prevention, appraisal and failure costs and at the same time produce the optimal point of the total cost. The results show that spline can produce smoother and better-fitted curves compared to Vandermonde hence able to provide reliable break-even points. From the points obtained, the company can optimize investment and at the same time produce high quality products. By implementing this new quality mode~ the company also can monitor the curve's pattern of the project they are conducting and take immediate action whenever they notice the increasing pattern of failure cost.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 13 Nov 2013 15:47
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/10576

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