Design And Analysis Of Automatic Slump Test

Muhd Nasae , Mahyuddin (2009) Design And Analysis Of Automatic Slump Test. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Concrete slump test is a measurement test that usually applied before applying to a structure. It is a method of quality control to determine the consistency of concrete by measuring the concrete mold height from the slump test. A lower slump concrete result means the concrete sample is finn and a higher slump concrete result means the concrete is not stable. A manual slump test usually has a several problems that always occur in applying this method. Inconsistent speed and lateral vibration while lifting up the cone and human error that cause the cone move in slight angular direction are the main problem that need to be counter with. This project study presented in this paper aims to overcome the problems occur in handling the manual concrete slump test. Several designs of an automatic slump test were stated with several CAD drawing of the designs. These design uses spring lifter, electric motor lifter and pneumatic lifter to move the slump cone in proper direction as well as overcoming the problems occur in manually done slump test. Analyses on these designs were using FEA and concept scoring method to determine which design should be selected. As result, Motor Slump Test Lifter was selected based on factors of force reaction, highest allowable stress, design improvement, ease and cost of manufacturing. In the end a prototype of Motor Slump Cone Lifter prototype was made using the rapid prototyping method. ©

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