Kendiliğinden Yerleşen Ağır Betonun Fiziksel, Mekanik, Radyasyon Tutuculuk Özellikleri

Yıl 2025, Cilt: 15 Sayı: 1, 133 - 151, 15.03.2025

Şemsettin Kılınçarslan , Yasemin Şimşek Türker , Abdullah Coşkunsu

https://doi.org/10.31466/kfbd.1504950

Öz

Bu araştırmanın amacı, çeşitli katkı maddeleri ile hazırlanan barit agregalı kendiliğinden yerleşen betonun radyasyon, mekanik ve fiziksel özelliklerini belirlemektir. Farklı katkı maddeleri kullanılarak üretilen kendiliğinden yerleşen ağır beton numuneleri üzerinde V hunisi, çökme-yayılma, çökme, basınç dayanımı, hava boşluğu, numunelerin yoğunluk değerleri, radyasyon zırhlama değerleri gibi fiziksel ve mekanik özelliklerinin belirlenmesi amacıyla deneyler yapılmıştır. En yüksek lineer soğurma katsayısı, CNT 4 katkılı beton numunesinde 0,2859 cm⁻¹ olarak belirlenmiştir. En düşük değer (0,2775 cm⁻¹), CNT 2 içeren numunede ölçülmüştür. CNT 1 ve CNT 3 için lineer soğurma katsayıları sırasıyla 0,2794 cm⁻¹ ve 0,2818 cm⁻¹ olarak kaydedilmiştir. Polikarboksilik eter esaslı katkı maddeleri arasında CNT 3 en iyi radyasyon tutuculuk özelliği göstermiştir.

Anahtar Kelimeler

Kendiliğinden Yerleşen Beton, Ağır Beton, Radyasyondan Koruma Özellikleri, Barit

Physical, Mechanical, Radiation Shielding Properties of Self-Compacting Heavy Concrete

Öz

The purpose of this research is to ascertain the radiation, mechanical, and physical characteristics of self-compacting concrete with barite aggregate that has been prepared with various additives. Experiments were carried out on self-compacting heavy concrete samples produced using different additives to determine their physical and mechanical properties such as V-funnel, slump-spreading, collapse, compressive strength, air gap, density values of the samples, and radiation shielding values. The highest linear attenuation coefficient was 0.2859 cm⁻¹, observed in the concrete sample with CNT 4 additive. The lowest value (0.2775 cm⁻¹) was measured in the sample containing CNT 2. For CNT 1 and CNT 3, the linear attenuation coefficients were recorded as 0.2794 cm⁻¹ and 0.2818 cm⁻¹, respectively. Among the polycarboxylic ether-based additives, CNT 3 demonstrated the best radiation shielding properties.

Anahtar Kelimeler

Barite, Heavy Concrete, Radiation Shielding Properties, Self-Compacting Concrete

Kaynakça

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