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Journals / Jeoloji Mühendisliği Dergisi / 2026 / Cilt: 50 Sayı: 1

An Experimental Study on Reinforcement of Sand Mixes with Cement using Polypropylene Fibers with Different Geometries

Çimento Katkılı Kum Karışımlarının Farklı Geometride Polipropilen Liflerle Güçlendirilmesi üzerine Deneysel Bir Çalışma

Eren Kömürlü(GİRESUN ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, İNŞAAT MÜHENDİSLİĞİ BÖLÜMÜ)0000-0002-2123-7678
Atila Gürhan Çelik(GİRESUN ÜNİVERSİTESİ)0000-0002-0894-9961
Pages
13–28
Publication Date
2026-06-06
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that MGF fibers increased the strength, modulus of elasticity, ductility, and energy absorption capacity properties to a greater extent compared to the conventional PPF product.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, use of a new polypropylene geofiber called microgrid fiber (MGF) was investigated in comparison with a conventional polypropylene fiber (PPF) product.
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Key Findings & Data:The results showed that MGF fibers increased the strength, modulus of elasticity, ductility, and energy absorption capacity properties to a greater extent compared to the conventional PPF product.
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Conclusion & Impact:Rather than the conventional fiber, the new MGF additive was more effective in terms of providing adequate soil reinforcement performance.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:geofiberler · MGF · Polipropilen fiber

Abstract

In this study, use of a new polypropylene geofiber called microgrid fiber (MGF) was investigated in comparison with a conventional polypropylene fiber (PPF) product. The uniaxial compressive strength, modulus of elasticity, ductility, energy absorption capacity, and splitting tensile (indirect tensile) strength values for cement-stabilized sand specimens reinforced with different types of polypropylene geofiber additives were investigated through experimental studies. The results showed that MGF fibers increased the strength, modulus of elasticity, ductility, and energy absorption capacity properties to a greater extent compared to the conventional PPF product. For the same fiber content, the new MGF fiber additive provided up to 21% higher uniaxial compressive strength, up to 58% higher modulus of elasticity, and up to 12% higher indirect tensile strength values in comparison with samples containing the conventional PPF. Additionally, the new MGF fiber additive was advantageous to improve ductility and to provide energy absorption capacity values up to 47% higher than the specimens containing conventional PPF at the same fiber ratio. Rather than the conventional fiber, the new MGF additive was more effective in terms of providing adequate soil reinforcement performance.

Özet

Bu çalışmada, yeni bir polipropilen geofiber türü olan mikrogrid fiber (MGF) ile geleneksel bir polipropilen fiber (PPF) ürünü karşılaştırmalı olarak incelenmiştir. Farklı polipropilen tipi geofiber katkı ile güçlendirilmiş çimento stabilizeli kum karışımlarının tek eksenli basınç dayanımı, elastisite modülü, süneklik, enerji emme kapasitesi ve yarmada çekme (dolaylı çekme) dayanımı değerleri deneysel çalışmalar ile incelenmiştir. Sonuçlara göre, MGF tipi fiber (lif), geleneksel PPF ürünü ile karşılaştırıldığında dayanım, elastisite modülü değerlerini, süneklik ve enerji emme kapasitesi özelliklerini daha yüksek oranlarda artırmıştır. Aynı fiber içeriği için, MGF tipi yeni lif katkı, geleneksel PPF içeren numunelere kıyasla %21'e kadar daha yüksek tek eksenli basınç dayanımı, %58'e kadar daha yüksek elastisite modülü, %12’ye kadar daha yüksek dolaylı çekme dayanımı değerleri sağlamıştır. Ayrıca, kazandırdığı süneklik özelliği bakımından avantajlı bulunan MGF türü yeni lif katkının enerji emme kapasitesi bakımından aynı fiber oranı için geleneksel lifli numunelere kıyasla %47’ye varan yüksek değerler sağladığı görülmüştür. Geleneksel life kıyasla, yeni MGF katkının uygun aderans ve zemin güçlendirme performansı sağlanması açısından daha etkili olduğu değerlendirilmiştir.

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Cite This Article

Kömürlü, E., Çelik, A. G. (2026). An Experimental Study on Reinforcement of Sand Mixes with Cement using Polypropylene Fibers with Different Geometries. Jeoloji Mühendisliği Dergisi, Cilt: 50 Sayı: 1, 13–28. https://doi.org/10.24232/jmd.1818452

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