Priz Hızlandırıcı Katkılı Betonun Mekanik ve Dayanıklılık Özelliklerinin Taguchi Optimizasyonu

Year 2022, Volume: 25 Issue: 3, 997 - 1006, 01.10.2022

Mustafa Tolga Çöğürcü , Mehmet Uzun

https://doi.org/10.2339/politeknik.857525

Cited By: 1

Abstract

Prefabrike elemanların montajı sırasında zamandan tasarruf etmek çok önemlidir. Islak bağlantı türlerinde betonun priz alma süresi zamandan tasarruf edilmesini engellemektedir. Betonun priz süresini kısaltmak için literatürde birçok çalışma vardır. Özellikle son yıllarda korozyona neden olmadan beton priz süresini kısaltmak için geliştirilmiş priz hızlandırıcılar bulunmaktadır. Ancak priz hızlandırıcıların işlenebilirlik gibi taze beton özellikleri üzerindeki olumsuz etkisi, kullanımını zorlaştırmaktadır. Bu çalışmada, priz hızlandırıcı kullanılarak başlangıç dayanımı ve işlenebilirliği yüksek bir beton karışımı amaçlanmıştır. Bununla birlikte, kullanılacak priz hızlandırıcı oranını belirlemek için çok fazla karışım ortaya çıkmaktadır. Bu nedenle, Taguchi optimizasyonu ile karışım sayıları azaltılmıştır. Taguchi optimizasyonundan elde edilen karışım tasarımlarına gerekli testler yapılarak optimum karışım elde edilmiştir.

Keywords

Taguchi yöntemi, priz hızlandırıcılar, basınç dayanımı tahmini

Supporting Institution

Konya Teknik Üniversitesi Bilimsel Araştırmalar Koordinatörlüğü ve TÜBİTAK

Project Number

201104017 ve 120M378

Thanks

Yukarıda belirtilen kurumlara bu çalışmaya verdikleri destekten dolayı yazarlar teşekkürlerini sunarlar.

The Taguchi Optimization of Mechanical and Durability Properties of Accelerator Added Concrete

Abstract

It is very important to save time during the assembly of prefabricated elements. In wet connection types, the setting time of the concrete might lead time lose. There are many studies investigates the methods to shorten the setting time of concrete. Especially in the recent years, there are accelerators developed to shorten concrete setting time without causing corrosion. However, the negative effect of accelerators on fresh concrete properties such as workability makes them difficult to use. In this study, it is aimed to produce a concrete mixture with high initial strength and workability by using an accelerator. However, it is highly difficult to determine proper ratio of the accelerator for the mixture without precasting significant number of concrete samples which requires time, manpower and material consumption. Therefore, Taguchi optimization is very useful method in order to reduce this number of samples and effort. The optimum mixture has been achieved by performing the required tests applied to mixture designs obtained from Taguchi optimization.

Keywords

Taguchi methods, accelerators, prediction of compressive strength

Project Number

201104017 ve 120M378

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