Kükürt Polimer Betonların Basınç Dayanımı ve Elastisite Modülüİlişkisinin Yönetmelikler Açısından Karşılaştırılması

Öz

Üstün mekanik ve durabilite özellikleri ile kükürt polimer betonlar (KPB) geleneksel Portland çimento betonlarına (PÇB) alternatif yapı malzemesi olarak son yıllarda ön plana çıkmıştır. Betonun önemli bir tasarım parametresi olan elastisite modülü ile ilgili araştırmaların KPB’ler açısından literatürde yetersiz olduğu ve standartlarda önerilen tahmin modellerinde halen göz önünde bulundurulmadığı görülmektedir. Bundan dolayı bu çalışma kapsamında, KPB’lerin basınç dayanımıelastisite modülü ilişkisinin uluslararası standartlarca önerilmiş olan analitik modeller ve geleneksel PÇB’ler ile karşılaştırmalı olarak incelenmesi amaçlanmıştır. Deneysel çalışma sonucunda KBP’lerin elastisite modüllerinin, benzer basınç dayanımı değerlerine sahip PÇB’lere göre daha düşük değerlerde kaldığı belirlenmiştir. PÇB’ler için standartlarda önerilmiş olan analitik modellerin KPB’lerin elastisite modülleri tahmininde ACI 363R-92 ve NS 3473 standartları haricinde yaklaşık değerler elde edilemediği görülmüştür. Deneysel çalışmadaki veriler kullanılarak bu çalışma kapsamında yeni bir analitik model önerilmiştir. Önerilen analitik model, yakın sonuç veren standartlardaki modeller ile istatistiki olarak karşılaştırmalı incelenmiş ve önerilen modelin deneysel değerlere en yakın sonuçları verdiği belirlenmiştir

Anahtar Kelimeler

• Kükürt
• Kükürt Polimer Beton
• Elastisite Modülü
• Basınç Dayanımı

Comparison of Design Guidelines for Relationship of Sulfur Polymer Concrete Compressive Strength and Modulus of Elasticity

Öz

Sulfur polymer concrete (SPC) with its superior mechanical and durability properties has come to the fore in recent years as an alternative construction material to traditional Portland cement concrete (PCC). It is seen that the studies on the modulus of elasticity, which is an important design parameter of concrete, are insufficient in the literature for SPC and are still not considered in the prediction models suggested in the standards. This study aims to examine the compressive strength-modulus of elasticity relationship of SPC comparatively with analytical models proposed by international standards and traditional PPC. As a result of the experimental study, it was determined that the modulus of elasticity of SPC remained at lower values than PCC with similar compressive strength values. It was observed that the analytical models proposed in the standards for PCC could not obtain approximate values for the estimation of the modulus of elasticity of SPC, except for the ACI 363R-92 and NS 3473 standards. A new analytical model was proposed using the experimental data within the scope of this study. The proposed analytical model was statistically compared with the models in the standards that gave close results, and it was determined that the proposed model gave the closest results to the experimental values.

Anahtar Kelimeler

• Sulfur
• Sulfur Polymer Concrete
• Modulus of Elasticity
• Compressive Strength

Kaynakça

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