Pengaruh Lapisan Material Uhpfrc Sebagai Material Perkuatan Kolom Beton Bertulang
Keywords:
kolom beton bertulang, uhpfrc, perkuatan, kuat tekan
Abstract
Penggunaan beton sebagai bahan konstruksi telah menjadi lazim di era saat ini. Meskipun begitu, kerusakan pada struktur beton bertulang, terutama pada struktur kolom, tidak dapat dihindari. Hal ini seringkali disebabkan oleh gempa bumi dan beban yang melebihi daya dukung bangunan. Indonesia, sebagai negara yang terletak di wilayah rawan gempa, membutuhkan struktur bangunan yang kuat dan tahan gempa. Oleh karena itu, perbaikan struktur beton bertulang yang rusak menjadi suatu kebutuhan mendesak dalam industri konstruksi di Indonesia. Salah satu inovasi untuk meningkatkan kekuatan dan masa pakai struktur beton bertulang adalah penggunaan Ultra-High Performance Fiber-Reinforced Concrete (UHPFRC). Meskipun telah diakui sebagai bahan konstruksi yang berkembang, implementasi UHPFRC dalam struktur bangunan masih memerlukan konsep desain baru dan penerapan yang efektif. Penelitian ini bertujuan untuk menguji efektivitas UHPFRC dalam memperkuat kolom beton bertulang yang rusak. Hasil penelitian menunjukkan bahwa penggunaan lapisan UHPFRC pada kolom beton bertulang meningkatkan beban maksimum yang dapat ditanggung oleh struktur. Dengan variasi ketebalan lapisan UHPFRC, terlihat bahwa peningkatan kekuatan mencapai 57,05%, 11,62mm pada CC-0; 114,58%, 14,58mm pada RCS-1; dan 269,54%, 20,59mm pada RCS-2 dibandingkan dengan kolom kontrol. Hasil ini memberikan indikasi bahwa perbaikan struktur beton bertulang dengan menggunakan UHPFRC merupakan solusi yang potensial dalam memperkuat kolom di daerah rawan gempa.
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References
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C.C. Hung, P.L. Hsieh, Comparative study on shear failure behavior of squat highstrength steel reinforced concrete shear walls with various high-strength concrete materials, Structure 23 (2020) 56–68.
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C.C. Hung, Y.T. Chen, C.H. Yen, Workability, fiber distribution, and mechanical properties of UHPC with hooked end steel macro-fibers, Construct. Build. Mater. 260 (2020), 119944.
Chun-ling Lu , Kang Ouyang a, Cheng Guo a, Qiang Wang, Hou-qiong Chen a, Wan- xu Zhu, Axial compressive performance of RC columns strengthened with prestressed CFRP fabric combined with UHPC jacket Engineering Structures 275 (2023) 115113.
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McLean, VA Joseph L. Hartmann, PE, Federal Highway Administration, McLean, VA’, Concrete Bridge Conference.
Graybeal, B. A., Ph, D. and Asce, M. (2014) ‘Flexural Behavior of an Ultrahigh- Performance Concrete I-Girder’, Journal of Bridge Engineering, 0702(May), pp. 602–610.
Harianto Hardjasaputra, 2009. “Aspek – aspek Teknis Beton – Ultra High Performance Concrete (UHPC)â€.
Hassan AMT, Jones SW, Mahmud GH. Experimental test methods to determine theuniaxial tensile and compressive behaviour of ultra high performance fibre reinforced concrete (UHPFRC). Constr Build Mater 2012;37:874–82.
He S, Mosallam AS, Fang Z, Zou C, Feng W, Su J. Experimental study on CFSC encased shear connectors in steel-concrete composite joints with UHPC grout. Constr Build Mater 2018;173:638–49.
Hung C-C, Chueh C-Y. Cyclic behavior of UHPFRC flexural members reinforced with high-strength steel rebar. Eng Struct 2016;122:108–20.
Hung C-C, Li H, Chen HC. High-strength steel reinforced squat UHPFRC shear walls: Cyclic behavior and design implications. Eng Struct 2017;141:59–74.
Hor Y, Teo W, Kazutaka S. Experimental investigation on the behaviour of reinforced concrete slabs strengthened with ultra-high performance concrete. Constr Build Mater 2017;155:463–74.
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Kaize Ma, Xiwang Cao , Jiaxin Song , Xiangyu Meng , Lei QiaoAxial compressive behavior of concrete-filled steel tubes with GFRP-confined UHPC cores, Journal of Constructional Steel Research 200 (2023) 107632.
Khaksefidi, S., Ghalehnovi, M., & De Brito, J. Bond behaviour of high-strength steelrebars in normal (NSC) and ultra-high performance concrete (UHPC). J. Build. Eng., 33, 101592.
Li, X. et al. (2017) ‘Cyclic behavior of damaged reinforced concrete columns repaired with high-performance fiber-reinforced cementitious composite’, Engineering Structures. Elsevier Ltd, 136, pp. 26–35.
Lei Voo, Y. and Foster, S. J. (2010) ‘Characteristics of ultra-high performance “ductile†concrete and its impact on sustainable construction’, IES Journal Part A: Civil and Structural Engineering, 3(3), pp. 168–187.
Liu J, Wu C, Su Y, Li J, Shao R, Chen G, et al. Experimental and numerical studies of ultra-high performance concrete targets against high-velocity projectile impacts. Eng Struct 2018;173:166–79.
Li J, Wu C, Hao H, Liu Z. Post-blast capacity of ultra-high performance concrete columns. Eng Struct 2017;134:289–302.
Lampropoulos AP, Paschalis SA, Tsioulou OT, Dritsos SE. Strengthening of reinforced concrete beams using ultra high performance fibre reinforced concrete (UHPFRC). Eng Struct 2016;106:370–84.
M. A. Sakr, T.M. El Korany, B. Osama, Analysis of RC columns strengthened with ultra-high performance fiber reinforced concrete jackets under eccentric loading, Eng. Struct. 220 (2020) 111016.
M. Deng, Y. Zhang, Q. Li, Shear strengthening of RC short columns with ECC jacket: cyclic behavior tests, Eng. Struct. 160 (2018) 535–545.
Meng W, Khayat KH. Improving flexural performance of ultra-high-performance concrete by rheology control of suspending mortar. Compos B Eng 2017;117:26–34.
Mészöly T, Randl N. Shear behavior of fiber-reinforced ultra-high performance concrete beams. Eng Struct 2018;168:119–27.
M. Schmidt, E. Fehling, Ultra-High performance concrete: research development and application in Europe, The 7th International Symposium on the Utilization of High- Strength/High-Performance Concrete (2005) 51–78.
M. Soman, J. Mohan, Rehabilitation of RC columns using ferrocement jacketing, Construct. Build. Mater. 181 (2018) 156–162.
Nursyamsi Nursyamsi, Johannes Tarigan, Muhammad Aswin, Badorul Hisham Abu Bakar, Harianto Hardjasaputra, Structural behaviour of the strengthened reinforced concrete beams using ultra high-performance fibre reinforced concrete layer, Construction Innovation © Emerald Publishing Limited 1471-4175 DOI 10.1108/CI-10-2021-0183.
P. Acker, M. Behloul, Ductal1 technology: a large spectrum of properties, ultra-High performance concrete, Kassel, Germany (2004) 11–23.
Paschalis, S. A. (2021) ‘Developments in the use of Ultra High Performance Fiber Reinforced Concrete as strengthening material’, Engineering Structures, 233.
Paschalis, S. A., Lampropoulos, A. P. and Tsioulou, O. (2018) ‘Experimental and numerical study of the performance of ultra high performance fiber reinforced concrete for the flexural strengthening of full scale reinforced concrete members’, Construction and Building Materials. Elsevier Ltd, 186, pp. 351–366.
Palacios G, Chao SH, Nojavan A, Schultz A. Performance of full-scale ultra-high performance fiber-reinforced concrete (UHP-FRC) column subjected to extreme earthquake- type loading. In: HPFRCC-7 Proceedings of the 7th RILEM workshop on high performance fiber reinforced cement composites, Stuttgart, Germany; 2015.
P.Y. Blais, M. Couture, Precast, prestressed pedestrian Bridge - world's first reactive powder concrete structure, PCI J. 44 (5) (1999) 60–71.
Ricker M, Häusler F, Randl N. Punching strength of flat plates reinforced with UHPC and double-headed studs. Eng Struct 2017;136:345–54.
Randl, N. et al. (2014) ‘Development of UHPC mixtures from an ecological point of view’, Construction and Building Materials. Elsevier Ltd, 67(PART C), pp. 373–378.
R. Mahmud, K.S. Ahmed, Interface dependency of reinforced concrete jacketing for column strengthening, Proc. Inst. Civ. Eng. Struct. Build. 173 (2020) 31–41.
Sayadi, A. A., Tapia, J. V., Neitzert, T. R., & Clifton, G. C. (2016). Effects of expanded polystyrene (EPS) particles on fire resistance, thermal conductivity and compressive strength of foamed concrete. Construction and Building Materials, 112, 716–724. https://doi.org/10.1016/j.conbuildmat.2016.02.218
Safdar, M., Matsumoto, T. and Kakuma, K. (2016) ‘Flexural behavior of reinforced concrete beams repaired with ultra-high performance fiber reinforced concrete (UHPFRC)’, Composite Structures. Elsevier Ltd, 157, pp. 448–460.
S.H. Chu, A.K.H. Kwan, 2019. “Mixture design of self-levelling ultra-high performance FRC†Construction and Building Materials 228 (2019) 116761
Shafieifar M, Farzad M, Azizinamini A. A comparison of existing analytical methodsto predict the flexural capacity of Ultra High Performance Concrete (UHPC) beams. Constr Build Mater 2018;172:10–8.
S.J. Foster, On behavior of high-strength concrete columns: cover spalling, steel fibers, and ductility, Struct. J. 98 (4) (2001) 583–589.
S. Sugano, H. Kimura, K. Shirai, Study of New RC structures using ultra-highstrength fiber-reinforced concrete (UFC), J. Adv. Concr. Technol. 5 (2) (2007) 133–147.
S. He, Z. Deng, J. Yao, Seismic behavior of ultra-high performance concrete long columns reinforced with high-strength steel, J. Build. Eng. 32 (2020), 101740.
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Published
2023-12-09
Section
Original Articles
Copyright (c) 2023 Ricky Bakara, Johannes Tarigan, Badarol Hisham Abu Bakar, Nursyamsi Nursyamsi
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