Quality Analysis of Some Characteristics of Cement Using Cusum and Shewart Control Charts: A Case of Lafarge Elephant Cement

Abstract

This paper examines the quality characteristic of cement production in Nigeria in an attempt to understand some of the reasons of the rampant f collapse of buildings and lack of durable roads and bridges in Nigeria using Elephant cement produced by Lafarge company in Nigeria as a case study, the paper finds that the quality characteristics of Elephant Cement is under statistical control when analyzed using the Cusum and Shewart control chart. However, it is advised that cement companies adequately monitor the quality of their products and regularly service their production plants to improve cement quality.