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Estimating the Increase in the Mechanical Characteristics of Self-Compacting Lightweight Concrete Incorporating Pumice and Steel Fibers | ||
| Journal of Rehabilitation in Civil Engineering | ||
| مقاله 25، دوره 13، شماره 4 - شماره پیاپی 40، بهمن 2025، صفحه 1-24 اصل مقاله (977.92 K) | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22075/jrce.2025.34222.2109 | ||
| نویسندگان | ||
| Masoud Dadkhah* 1؛ Reza Rahgozar2؛ Ehsan Barahouei Pasandi3؛ Peyman Rahgozar4 | ||
| 1Ph.D. Candidate, Department of Civil Engineering, Shahid Bahonar University, Kerman, Iran | ||
| 2Professor, Faculty of Civil Engineering, Shahid Bahonar University, Kerman, Iran | ||
| 3M.Sc., Department of Civil Engineering, Islamic Azad University, Zahedan Branch, Iran | ||
| 4Ph.D., Clark Construction Group, California, Los Angeles, United States | ||
| تاریخ دریافت: 20 تیر 1403، تاریخ بازنگری: 05 دی 1403، تاریخ پذیرش: 26 دی 1403 | ||
| چکیده | ||
| The incorporation of lightweight concrete significantly reduces the weight of structures. However, achieving proper density and ensuring the ease of concrete placement in structures with dense reinforcement has driven the development of self-compacting lightweight concrete (SCLC). Despite its advantages, SCLC exhibits brittleness similar to that of normal concrete. To address this limitation, steel fibers (SFs) can be integrated into SCLC to enhance its properties. In this study, SCLC was first produced using pumice aggregate. Fresh concrete properties were evaluated through Slump Flow, T50, V-Funnel, and L-Box tests, leading to the selection of an optimal mix design. Subsequently, SFs were added to the SCLC at proportions of 0.125%, 0.25%, and 0.5% by volume. The effects of SFs on the mechanical properties of SCLC were assessed through hardened concrete tests, including compressive strength, splitting tensile strength, and flexural strength tests. The results demonstrated that adding SFs to SCLC containing pumice aggregate improves mechanical strength, with the enhancement continuing up to 0.5% fiber content by volume. A predictive method for estimating the strength development of hardened samples at varying SF percentages was proposed. According to the findings, the addition of 0.25%, 0.125%, and 0.25% SFs achieved the most significant enhancements in compressive, tensile, and flexural strengths, respectively. Furthermore, incorporating pumice and SFs in concrete contributes to reduced environmental impact, improved durability, and cost reduction, promoting sustainable and efficient construction practices. Finally, three equations were developed to estimate the 28-day compressive, tensile, and flexural strengths based on SF content. Additionally, two equations were provided to predict tensile strength and modulus of rupture from the 28-day compressive strength. | ||
تازه های تحقیق | ||
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| کلیدواژهها | ||
| Mechanical properties؛ Steel fiber؛ Pumice؛ Self-compacting concrete؛ Lightweight concrete | ||
| مراجع | ||
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[1] Okamura H, Ozawa K, Ouchi M. Self-compacting concrete. Struct Concr 2000;1:3–17.
[2] Ouchi M. Development , Applications and Investigations of Self-Compacting Concrete. Int Work 2000;23:2–4.
[3] Ramezanianpour AA, Bahrami Jovein H. Influence of metakaolin as supplementary cementing material on strength and durability of concretes. Constr Build Mater 2012;30:470–9. https://doi.org/10.1016/j.conbuildmat.2011.12.050.
[4] De Schutter G, Bartos PJM, Domone P, Gibbs J. Self-compacting concrete. vol. 288. Whittles Publishing Scotland, UK; 2008.
[5] Masoud Dadkhah 1 Ali Bandani 2 Reza Rahgozar 3 Peyman Rahgozar 4. Mechanical properties of self-compacting lightweight concrete containing pumice and metakaolin. J Rehabil Civ Eng 2024;12:97–118. https://doi.org/10.22075/jrce.2023.29150.1762.
[6] Bharathi KPP, Adari SK, Pallepamula U. Mechanical properties of self-compacting concrete using steel slag and glass powder. J Build Pathol Rehabil 2022;7:46. https://doi.org/10.1007/s41024-022-00184-z.
[7] Askari Dolatabad Y, Kamgar R, Gouhari Nezad I. Rheological and Mechanical Properties, Acid Resistance and Water Penetrability of Lightweight Self-Compacting Concrete Containing Nano-SiO2, Nano-TiO2 and Nano-Al2O3. Iran J Sci Technol - Trans Civ Eng 2020;44:603–18. https://doi.org/10.1007/s40996-019-00328-1.
[8] Dolatabad YA, Kamgar R, Jamali Tazangi MA. Effects of perlite, leca, and scoria as lightweight aggregates on properties of fresh and hard self-Compacting concretes. J Adv Concr Technol 2020;18:633–47. https://doi.org/10.3151/JACT.18.633.
[9] Alireza Rashno 1 Mohamadreza Adlparvar 1 2 Mohsen Izadinia. Study on Rheology Properties, Durability and Microstructure of UHPSCC Contains Garnet, Basalt, and Pozzolan. J Rehabil Civ Eng 2023;11:96–110. https://doi.org/https://doi.org/10.22075/JRCE.2022.25651.1584.
[10] Beigi MH, Berenjian J, Lotfi Omran O, Sadeghi Nik A, Nikbin IM. An experimental survey on combined effects of fibers and nanosilica on the mechanical, rheological, and durability properties of self-compacting concrete. Mater Des 2013;50:1019–29. https://doi.org/10.1016/j.matdes.2013.03.046.
[11] Vakhshouri B, Nejadi S. Compressive strength and mixture proportions of self-compacting light weight concrete. Comput Concr 2017;19:555–66. https://doi.org/10.12989/cac.2017.19.5.555.
[12] Sivakumar VR, Kavitha OR, Prince Arulraj G, Srisanthi VG. An experimental study on combined effects of glass fiber and Metakaolin on the rheological, mechanical, and durability properties of self-compacting concrete. Appl Clay Sci 2017;147:123–7. https://doi.org/10.1016/j.clay.2017.07.015.
[13] Samimi K, Kamali-Bernard S, Akbar Maghsoudi A, Maghsoudi M, Siad H. Influence of pumice and zeolite on compressive strength, transport properties and resistance to chloride penetration of high strength self-compacting concretes. Constr Build Mater 2017;151:292–311. https://doi.org/10.1016/j.conbuildmat.2017.06.071.
[14] Samimi K, Kamali-Bernard S, Maghsoudi AA. Durability of self-compacting concrete containing pumice and zeolite against acid attack, carbonation and marine environment. Constr Build Mater 2018;165:247–63. https://doi.org/10.1016/j.conbuildmat.2017.12.235.
[15] Hedayatinia F, Delnavaz M, Emamzadeh SS. Rheological properties, compressive strength and life cycle assessment of self-compacting concrete containing natural pumice pozzolan. Constr Build Mater 2019;206:122–9. https://doi.org/10.1016/j.conbuildmat.2019.02.059.
[16] Ghasemi M, Rasekh H, Berenjian J, AzariJafari H. Dealing with workability loss challenge in SCC mixtures incorporating natural pozzolans: A study of natural zeolite and pumice. Constr Build Mater 2019;222:424–36. https://doi.org/10.1016/j.conbuildmat.2019.06.174.
[17] Azad A, Saeedian A, Mousavi SF, Karami H, Farzin S, Singh VP. Effect of zeolite and pumice powders on the environmental and physical characteristics of green concrete filters. Constr Build Mater 2020;240:117931. https://doi.org/10.1016/j.conbuildmat.2019.117931.
[18] Ghafor K, Mahmood W, Qadir W, Mohammed A. Effect of particle size distribution of sand on mechanical properties of cement mortar modified with microsilica. ACI Mater J 2020;117:47–60. https://doi.org/10.14359/51719070.
[19] Adai Al-Farttoosi HK, Abdulrazzaq OA, Hussain HK. Mechanical Properties of Light Weight Aggregate Concrete Using Pumice as a Coarse Aggregate. IOP Conf. Ser. Mater. Sci. Eng., vol. 1090, IOP Publishing; 2021, p. 012106. https://doi.org/10.1088/1757-899x/1090/1/012106.
[20] Hubertová M. Self compacting light concrete with liapor aggregates. Proc. Int. Conf. Young Res. Forum, Thomas Telford Publishing; 2005, p. 103–12.
[21] EFNARC. Specification and Guidelines for Self-Compacting Concrete. vol. 44. 2002.
[22] Ambroise J, Murat M, Péra J. Hydration reaction and hardening of calcined clays and related minerals V. Extension of the research and general conclusions. Cem Concr Res 1985;15:261–8. https://doi.org/10.1016/0008-8846(85)90037-7.
[23] Okamura H, Ouchi M. Self-compacting concrete. J Adv Concr Technol 2003;1:5–15.
[24] Poon CS, Ho DWS. A feasibility study on the utilization of r-FA in SCC. Cem Concr Res 2004;34:2337–9. https://doi.org/10.1016/j.cemconres.2004.02.013.
[25] Alahverdi A, Mehrpour K, Najafikani E. Taftan pozzolan-based geopolymer cement 2008;19:1–5.
[26] Yahia A, Tanimura M, Shimoyama Y. Rheological properties of highly flowable mortar containing limestone filler-effect of powder content and W/C ratio. Cem Concr Res 2005;35:532–9. https://doi.org/10.1016/j.cemconres.2004.05.008.
[27] Zhu W, Gibbs JC, Bartos PJM. Uniformity of in situ properties of self-compacting concrete in full-scale structural elements. Cem Concr Compos 2001;23:57–64. https://doi.org/10.1016/S0958-9465(00)00053-6.
[28] Altun F, Haktanir T, Ari K. Effects of steel fiber addition on mechanical properties of concrete and RC beams. Constr Build Mater 2007;21:654–61. https://doi.org/10.1016/j.conbuildmat.2005.12.006.
[29] Nejati F, Edalatpanah SA. Experimental investigation for the effect of fiber on the mechanical properties of light-weight concrete under dry and wet conditions. Int J Struct Integr 2020;11:216–38. https://doi.org/10.1108/IJSI-04-2019-0036.
[30] Hassanpour M, Shafigh P, Mahmud H Bin. Lightweight aggregate concrete fiber reinforcement - A review. Constr Build Mater 2012;37:452–61. https://doi.org/10.1016/j.conbuildmat.2012.07.071.
[31] Pathan MG, Swarup A. A Review on Steel Fiber Reinforced Concrete. Ijarse 2017;1:822–8.
[32] Ramadoss P, Li L, Fatima S, Sofi M. Mechanical performance and numerical simulation of high-performance steel fiber reinforced concrete. J Build Eng 2023;64:105424. https://doi.org/10.1016/j.jobe.2022.105424.
[33] Zhao Y, Wu B, Peng S, Yu Z, Du X. Research and mechanism analysis on dynamic compressive behavior of steel fiber reinforced concrete. Constr Build Mater 2023;368:130358. https://doi.org/10.1016/j.conbuildmat.2023.130358.
[34] Doost Mohamadi A, Vatani Oskouei A, Kheyroddin A. An experimental study on effect of concrete type on bond strength of GFRP bars. J Rehabil Civ Eng 2021;9:52–70. https://doi.org/10.22075/JRCE.2020.19922.1392.
[35] Bezerra ACS, Maciel PS, Corrêa ECS, Soares Junior PRR, Aguilar MTP, Cetlin PR. Effect of high temperature on the mechanical properties of steel fiber-reinforced concrete. Fibers 2019;7:82–8. https://doi.org/10.3390/?b7120100.
[36] Razzaghi H, Madandoust R, Aghabarati H. Strength Assessment of Steel Fibre Reinforced Recycled Aggregate Concrete by Means of Correlation between Ultrasonic and Point Load Tests. J Rehabil Civ Eng 2022;10:79–92. https://doi.org/10.22075/JRCE.2021.21898.1456.
[37] Chaitanya BK, Sai Madupu LNK, Satyanarayana S V. Experimental study on fresh and mechanical properties of crimpled steel fibers in self compacting concrete. J Polym Compos 2023;11:S65–75.
[38] Nagaraj A, Girish S. Rheology of Fresh Concrete-a Review. J Rehabil Civ Eng 2021;9:118–31. https://doi.org/10.22075/jrce.2021.20557.1425.
[39] Wang H, Wei M, Wu Y, Huang J, Chen H, Cheng B. Mechanical behavior of steel fiber-reinforced lightweight concrete exposed to high temperatures. Appl Sci 2021;11:1–20. https://doi.org/10.3390/app11010116.
[40] Zhao M, Zhang B, Shang P, Fu Y, Zhang X, Zhao S. Complete stress-strain curves of self-compacting steel fiber reinforced expanded-shale lightweight concrete under uniaxial compression. Materials (Basel) 2019;12:2979. https://doi.org/10.3390/ma12182979.
[41] Iqbal S, Ali A, Holschemacher K, Bier TA. Mechanical properties of steel fiber reinforced high strength lightweight self-compacting concrete (SHLSCC). Constr Build Mater 2015;98:325–33. https://doi.org/10.1016/j.conbuildmat.2015.08.112. | ||
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