Dergiler / Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2018 / Cilt: 22 - Sayı: 1

An Experimental Study on Shear Strength of Cemented Paste Backfill Materials

Sayfa
45–52
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Additionally, start of decrease in strength values due to the sulphate attack was found be postponded as another advantage of the increase in cement content.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Change in the mechanical parameters of cohesion and internal friction angle with variations in cement content and curing time of cemented paste backfill (CPB) materials was investigated carrying out a series of experimental study.
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Temel Bulgular & Veri:As an important issue from this study, strength values of curing CPB specimens were found to dominantly increase because of the improvement in cohesion values instead of internal friction angle.
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Sonuç & Katkı:Additionally, start of decrease in strength values due to the sulphate attack was found be postponded as another advantage of the increase in cement content.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Shear strength · Mechanical parameters · Cemented paste backfill

Özet

Change in the mechanical parameters of cohesion and internal friction angle with variations in cement content and curing time of cemented paste backfill (CPB) materials was investigated carrying out a series of experimental study. In this scope, shear strength and uniaxial compressive strength (UCS) tests were performed to find out the failure properties of CPB samples. According to the results obtained from this study, a new factor is suggested to use in the Mohr-Coulomb failure criterion to better fit the envelope for CPB materials. As an important issue from this study, strength values of curing CPB specimens were found to dominantly increase because of the improvement in cohesion values instead of internal friction angle. With an increase in cement content, strength values were measured to increase because of the improvement in both internal friction angle and cohesion parameters. Additionally, start of decrease in strength values due to the sulphate attack was found be postponded as another advantage of the increase in cement content.

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Bu Makaleye Atıf Yap

KÖMÜRLÜ, E., TURAN, A., CİHANGİR, F., KESİMAL, A., ERÇIKDI, B. (2018). An Experimental Study on Shear Strength of Cemented Paste Backfill Materials. Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 22 - Sayı: 1, 45–52. https://ajindex.com/articles/309984

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Kaynakça (9)

  1. Kesimal, A., Yilmaz, E., Ercikdi, B. 2004. Evaluation of paste backfill mixtures consisting of sulphide-rich mill tailings and varying cement contents. Cement and Concrete Research, 34, 1817 – 1822
  2. Cihangir, F., Akyol, Y. 2016. Mechanical, hydrological and microstructural assessment of the durability of cemented paste backfill containing alkali-activated slag. International Journal of Mining, Reclamation and Environment, DOI: 10.1080/17480930.2016.1242183 [3] Cihangir, F., Ercikdi, B., Kesimal, A., Turan, A., Deveci, H. 2012. Utilisation of alkali-activated blast furnace slag in paste backfill of high-sulphide mill tailings: Effect of binder type and dosage. Minerals Engineering, 30, 33-43 [4] Ercikdi, B., Baki, H. and Izki, M. (2013), “Effect of desliming of sulphide-rich mill tailings on the long-term strength of cemented paste backfill”. Journal of Environmental Management, 115, 5-13
  3. Komurlu, E., Kesimal, A. 2015. Experimental Study on Sulfide-rich Mine Tailings Usage for Short-term Support Purpose. Geomechanics and Engineering, 9, pp. 195-205 [6] Yumlu, M. 2008. Barricade pressure monitoring in paste backfill. Mineral Resources Management, 24, 233-244
  4. Komurlu, E., Kesimal, A., Ercikdi, B. 2013. An Investigation of Uncemented Paste Backfill Applicability and Consolidation Effects on Inaccuracy of Paste Backfill in situ Strength Estimation by Laboratory Tests. 23th International Congress and Exhibition of Tukey (IMCET 2013), Antalya, Turkey, 1017-1024
  5. Yilmaz, T., Ercikdi, B., Karaman, K., Külekçi, G. 2014. Assessment of strength properties of cemented paste backfill by ultrasonic pulse velocity test. Ultrasonics, 54, 1386-1394
  6. Komurlu, E., Kesimal, A., Demir, S. 2016. Determination of Indirect (Splitting) Tensile Strength of Cemented Paste Backfill Materials. Geomechanics and Engineering, 10, 775-791
  7. Ercikdi, B., Kesimal, A., Cihangir, F., Deveci, H., Alp, I. 2009. Cemented paste backfill of sulphide-rich tailings: Importance of binder type and dosage. Cement & Concrete Composites, 31, 268–274
  8. Karaoglu, K., Kucukates, K., Thompson. B.D. 2011. Pastefill Pressure Monitoring at Inmet’s Cayeli Underground Copper and Zinc Mine. Eskikaya Ş. in editor. 22th World Mining Congress & Expo., İstanbul, Turkey, 325-334 [12] Li, L., Aubertin, M. 2009. A three-dimensional analysis of the total and effective stresses in submerged backfilled stopes. Geotechnical and Geological Engineering, 27, 559-569
  9. Li, L., Aubertin, M. 20