http://iaeme.com/Home/journal/IJCIET 1466 [email protected] International Journal of Civil Engineering and Technology (IJCIET) Volume 9, Issue 8, August 2018, pp. 1466 1476, Article ID: IJCIET_09_08_148 – Available online at http://iaeme.com/Home/issue/IJCIET?Volume=9&Issue=8 ISSN Print: 0976-6308 and ISSN Online: 0976-6316 © IAEME Publication Indexed Scopus COMPARATIVE STUDY OF ULTIMATE LOAD FOR CASTELLATED AND PLAIN-WEBBED BEAMS Samadhan G. Morkhade, Subhan Shaikh, Ajay Kumbhar, Abdulaziz Shaikh, Rushikesh Tiwari Department of Civil Engineering, Vidya Pratishthan’s Kamalnayan Bajaj Institute of Engineering and Technology, Baramati, SPPU Pune, Maharashtra 413 133, India. ABSTRACT In this paper, an attempt is made by performing analytical investigation to compare a ultimate load behaviour of castellated and plain webbed beam. The steel I sections of ISMB 200 with simply supported boundary conditions subjected to concentrated load at midspanhas been considered. The expansion ratio for castellated beam is taken as 1.5, 1.6, 1.7 and 1.8. The expansion ratio 1.5 means the depth of parent section has been increased by 50% i.e. CB300, CB320, CB340 and CB360 respectively for expansion ratio of 1.5, 1.6, 1.7 and 1.8. Finite element analysis has been carried out by ANSYS version 12 considering both geometric as well as material nonlinearity. The ultimate load, deflection and failure modes of castellated beam with various expansion ratios and plain webbed beam is noted. Key words: Castellated beam, plain webbed beam, ISMB200, CB300, expansion ratio Cite this Article: Samadhan G. Morkhade, Subhan Shaikh, Ajay Kumbhar, Abdulaziz Shaikh, Rushikesh Tiwari, Comparative Study of Ultimate Load for Castellated and Plain-Webbed Beams. , International Journal of Civil Engineering and Technology 9(8), 2018, pp. 1466-1476. http://iaeme.com/Home/issue/IJCIET?Volume=9&Issue=8 1. INTRODUCTION Structural engineers are trying to modify the behavior and geometries of building materials employed in steel structures. From this castellated steel is one of the suggested possible solution. Castellated steel beams are typically fabricated by cutting wide flange standard I- sections steel beam along its centerline and thereafter re-welding the generated two halves. Consequently, the overall depth of I-beam could be increased up to 50-80% resulting in significance enhancing in its flexural strength as depicted in Fig. 1. The fortified strength comes from the way the beam halves come together in the manufacturing process. The cutout shape looks like the turrets on a castle. In step 1 - The castellated and cellular beam is produced by cutting a beam length-wise following a hexagonal or circular pattern. In steps 2 and 3 - The top and bottom halves are then staggered and welded together to create a deeper, stronger beam.
COMPARATIVE STUDY OF ULTIMATE LOAD FOR CASTELLATED AND PLAIN-WEBBED BEAMS
Jun 26, 2023
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