Comparison Study of Soft Computing Approaches for Estimation of the Non-Ductile RC Joint Shear Strength

Document Type : Regular Article

Author

Faculty of Civil Engineering, Semnan University, Semnan, Iran

Abstract

Today, retrofitting of the old structures is important. For this purpose, determination of capacities for these buildings, which mostly are non-ductile, is a very useful tool. In this context, non-ductile RC joint in concrete structures, as one of the most important elements in these buildings are considered, and the shear capacity, especially for retrofitting goals can be very beneficial. In this paper, three famous soft computing methods including artificial neural networks (ANN), adaptive neuro-fuzzy inference system (ANFIS) and also group method of data handling (GMDH) were used to estimating the shear capacity for this type of RC joints. A set of experimental data which were a failure in joint are collected, and first, the effective parameters were identified. Based on these parameters, predictive models are presented in detail and compare with each other. The results showed that the considered soft computing techniques are very good capabilities to determine the shear capacity.

Highlights

Google Scholar

Keywords

Main Subjects


[1]       McLean FG, Pierce JS. Comparison of joint shear strengths for conventional and roller compacted concrete. Roll. Compact. Concr. II, ASCE; 1988, p. 151–69.
[2]       Hitoshi S. Analysis of Joint Shear Failure Of High-Strength Reinforced Concrete Interior Beam-To-Column Joint. J High Strength Concr ASCE 1998:1–14.
[3]       Ghobarah A, Biddah A. Dynamic analysis of reinforced concrete frames including joint shear deformation. Eng Struct 1999;21:971–87. doi:10.1016/S0141-0296(98)00052-2.
[4]       Bakir PG, Boduro─člu HM. A new design equation for predicting the joint shear strength of monotonically loaded exterior beam-column joints. Eng Struct 2002;24:1105–17. doi:10.1016/S0141-0296(02)00038-X.
[5]       Attaalla SA. General analytical model for nominal shear stress of type 2 normal-and high-strength concrete beam-column joints. ACI Struct J 2004;101:65–75.
[6]       Kim J, LaFave JM. Key influence parameters for the joint shear behaviour of reinforced concrete (RC) beam–column connections. Eng Struct 2007;29:2523–39. doi:10.1016/j.engstruct.2006.12.012.
[7]       Kim J, LaFave JM. Probabilistic joint shear strength models for design of RC beam-column connections. ACI Struct J 2008;105:770.
[8]       Saravanan J, Kumaran G. Joint shear strength of FRP reinforced concrete beam-column joints. Open Eng 2011;1. doi:10.2478/s13531-011-0009-6.
[9]       Sharma A, Eligehausen R, Reddy GR. A new model to simulate joint shear behavior of poorly detailed beam–column connections in RC structures under seismic loads, Part I: Exterior joints. Eng Struct 2011;33:1034–51. doi:10.1016/j.engstruct.2010.12.026.
[10]     Lee CH, Kim YJ, Chin WJ, Choi ES. Shear Strength of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) Precast Bridge Joint, 2012, p. 413–20. doi:10.1007/978-94-007-2436-5_50.
[11]     Vishnu Pradeesh L, Sasmal S, Devi K, Ramanjaneyulu K. Evaluation of Models for Joint Shear Strength of Beam–Column Subassemblages for Seismic Resistance. Adv. Struct. Eng., New Delhi: Springer India; 2015, p. 885–96. doi:10.1007/978-81-322-2193-7_69.
[12]     Elshafiey TM, Atta AM, Afefy HM, Ellithy ME. Structural performance of reinforced concrete exterior beam–column joint subjected to combined shear and torsion. Adv Struct Eng 2016;19:327–40. doi:10.1177/1369433215624590.
[13]     Jin K, Kitayama K, Song S, Kanemoto K. Shear Capacity of Precast Prestressed Concrete Beam-Column Joint Assembled by Unbonded Tendon. ACI Struct J 2017;114:51.
[14]     Jang J-SR. ANFIS: adaptive-network-based fuzzy inference system. IEEE Trans Syst Man Cybern 1993;23:665–85. doi:10.1109/21.256541.
[15]     Ivakhnenko AG. Polynomial Theory of Complex Systems. IEEE Trans Syst Man Cybern 1971;SMC-1:364–78. doi:10.1109/TSMC.1971.4308320.
[16]     Akguzel U. Seismic performance of FRP retrofitted exterior RC beam-column joints under varying axial and bidirectional loading 2011.
[17]     Al-Salloum YA, Siddiqui NA, Elsanadedy HM, Abadel AA, Aqel MA. Textile-Reinforced Mortar versus FRP as Strengthening Material for Seismically Deficient RC Beam-Column Joints. J Compos Constr 2011;15:920–33. doi:10.1061/(ASCE)CC.1943-5614.0000222.
[18]     Hassan WM. Analytical and experimental assessment of seismic vulnerability of beam-column joints without transverse reinforcement in concrete buildings. University of California, Berkeley; 2011.
[19]     Ilki A, Bedirhanoglu I, Kumbasar N. Behavior of FRP-Retrofitted Joints Built with Plain Bars and Low-Strength Concrete. J Compos Constr 2011;15:312–26. doi:10.1061/(ASCE)CC.1943-5614.0000156.
[20]     KARAYANNIS CG, CHALIORIS CE, SIDERIS  and KK. EFFECTIVENESS OF RC BEAM-COLUMN CONNECTION REPAIR USING EPOXY RESIN INJECTIONS. J Earthq Eng 1998;2:217. doi:10.1142/S1363246998000101.
[21]     Lee WT, Chiou YJ, Shih MH. Reinforced concrete beam–column joint strengthened with carbon fiber reinforced polymer. Compos Struct 2010;92:48–60. doi:10.1016/j.compstruct.2009.06.011.
[22]     Li B, Wu Y, Pan T-C. Seismic behavior of nonseismically detailed interior beam-wide column joints—Part II: Theoretical comparisons and analytical studies. ACI Struct J 2003;99:791–802.
[23]     B. Oh, K. Park, H. Hwang  and HC. An experimental study on shear capacity of reinforced concrete exterior beam-column joint with high strength concrete. Proc Archit Inst Korea 1992;12:363–6.
[24]     Ohwada Y. A study on RC beam-column connection subjected to lateral load (8). (in Japanese), Summ. Tech. Pap. Annu. Meet. Archit. Inst. Japan., 1970, p. 737–8.
[25]     Ohwada Y. A study on RC beam-column connection subjected to lateral load (9). (in Japanese), Summ. Tech. Pap. Annu. Meet. Archit. Inst. Japan, 1973, p. 1297–8.
[26]     Ohwada Y. A study on effect of lateral beams on RC beam-column joints (1). (in Japanese), Summ. Tech. Pap. Annu. Meet. Archit. Inst. Japan, 1976, p. 1455–6.
[27]     Y. Ohwada. A study on effect of lateral beams on RC beam-column joints (2). (in Japanese), Proc. Archit. Inst. Japan, 1977, p. 241–4.
[28]     Antonopoulos CP, Triantafillou TC. Experimental Investigation of FRP-Strengthened RC Beam-Column Joints. J Compos Constr 2003;7:39–49. doi:10.1061/(ASCE)1090-0268(2003)7:1(39).
[29]     Ohwada Y. A study on effect of lateral beams on RC beam-column joints (4). Summ. Tech. Pap. Annu. Meet. Archit. Inst. Japan, 1980, p. 1511–2.
[30]     Pantelides CP, Hansen J, Nadauld J, Reaveley LD. Assessment of Reinforced Concrete Building Exterior Joints with Substandard Details, PEER Report, No. 2002/18, Pacific Earthquake Engineering Research Center. 2002.
[31]     Park S, Mosalam KM. Experimental Investigation of Nonductile RC Corner Beam-Column Joints with Floor Slabs. J Struct Eng 2013;139:1–14. doi:10.1061/(ASCE)ST.1943-541X.0000591.
[32]     D. E. Parker, P. Bullman. Shear strength within reinforced concrete beam-column joints. Struct Eng 1997;75:53–7.
[33]     Pimanmas A, Chaimahawan P. Shear strength of beam–column joint with enlarged joint area. Eng Struct 2010;32:2529–45. doi:10.1016/j.engstruct.2010.04.021.
[34]     Salim I. The influence of concrete strengths on the behaviour of external beam-column joints. Universiti Teknologi Malaysia, 2007.
[35]     Scott RH. The effects of detailing on RC beam/column connection behaviour. Struct Eng 1992;70.
[36]     Supaviriyakit T, Pimanmas A. Comparative performance of sub-standard interior reinforced concrete beam–column connection with various joint reinforcing details. Mater Struct 2008;41:543–57. doi:10.1617/s11527-007-9266-5.
[37]     Taylor HPJ. The behavior of in situ concrete beam-column joints. 1974.
[38]     Tsonos AG. Cyclic load behavior of reinforced concrete beam-column subassemblages of modern structures. ACI Struct J 2007;104:468.
[39]     Chen T-H. Retrofit strategy of non-seismically designed frame systems based on a metallic haunch system 2006.
[40]     Tsonos AG. Effectiveness of CFRP-jackets and RC-jackets in post-earthquake and pre-earthquake retrofitting of beam–column subassemblages. Eng Struct 2008;30:777–93. doi:10.1016/j.engstruct.2007.05.008.
[41]     Tsonos AG, Papanikolaou K V. Post-earthquake repair and strengthening of reinforced concrete beam-column connections (theoretical & experimental investigation). Bull Zeal Soc Earthq Eng 2003;36:73–93.
[42]     Wang Y-C, Hsu K. Shear strength of RC jacketed interior beam-column joints without horizontal shear reinforcement. ACI Struct J 2009;106:222.
[43]     Wang Y-C, Lee M-G. Rehabilitation of non-ductile beam-column joint using concrete jacketing. A Pap. Present. 13th world Conf. Earthq. Eng. Vancouver (BC, Canada), 2004.
[44]     Wong HF. Shear strength and seismic performance of non-seismically designed reinforced concrete beam-column joints. Hong Kong University of Science and Technology, 2005.
[45]     Pantelides CP, Clyde C, Reaveley LD. Performance-Based Evaluation of Reinforced Concrete Building Exterior Joints for Seismic Excitation. Earthq Spectra 2002;18:449–80. doi:10.1193/1.1510447.
[46]     De Otiz R. Strut-and-tie modelling of reinforced concrete: short beams and beam-column joints. University of Westminster, 1993.
[47]     Dhakal RP, Pan T-C, Irawan P, Tsai K-C, Lin K-C, Chen C-H. Experimental study on the dynamic response of gravity-designed reinforced concrete connections. Eng Struct 2005;27:75–87. doi:10.1016/j.engstruct.2004.09.004.
[48]     Engindeniz M. Repair and strengthening of pre-1970 reinforced concrete corner beam-column joints using CFRP composites. Georgia Institute of Technology; 2008.
[49]     Goto Y, Joh O. An experimental study of shear failure mechanism of RC interior beamcolumn joints. 11 th World Conf. Earthq. Eng., 1996.
[50]     Hamil SJ. Reinforced concrete beam-column connection behaviour. Durham University, 2000.