Research Article
Steel Castella As Steel Beams Construction for Optimization
@INPROCEEDINGS{10.4108/eai.20-10-2022.2328880, author={Agus Wiyono}, title={Steel Castella As Steel Beams Construction for Optimization}, proceedings={Proceedings of the 4th Annual Conference of Engineering and Implementation on Vocational Education, ACEIVE 2022, 20 October 2022, Medan, North Sumatra, Indonesia}, publisher={EAI}, proceedings_a={ACEIVE}, year={2023}, month={5}, keywords={castellated beam cutting angle profile width of profile pieces}, doi={10.4108/eai.20-10-2022.2328880} }- Agus Wiyono
Year: 2023
Steel Castella As Steel Beams Construction for Optimization
ACEIVE
EAI
DOI: 10.4108/eai.20-10-2022.2328880
Abstract
Beam castella (castellated beam) is formed by beams of profile H-beam, I-beam, or wide flange beam used for construction of long spans greater than 8 meters by raising the "web" of her. The web part is cut with a castella pattern and then rejoined with the way las. The result of the merged profile pieces will be holes of 3 shapes: hexagon (honeycomb), rhombi, and circles (circular). These profiles are perforated to minimize the weight of their own profiles. The test objects to cutting corners the profile treatment namely Ø1 = 0 ̊ (whole), Ø2 = 45 ,̊ Ø3= 50 ,̊ Ø4 = 60 ,̊ Ø5 = 65 ,̊ Ø6= 70 ̊ and Ø7=75 .̊ The test objects for high profile cutting treatment i.e., h1 = 0 mm (whole), h2 = 26 mm wide, h3=50 mm, h4=76mm, h5=102, 5 mm, and h6 = 150 mm. width of the treatment to test objects are pieces of profile (e) i.e. estd = 51, 25 mm, e0 = 0 (intact), e1 = 177 mm, e2 = 150 mm, e3 = 125 mm, e4= 50 mm, and e5 = 75 mm. Based on the results of the study treatment angle profile pieces (Ø) on the most optimal castella steel when are reviewed from the moment, shear strength, buckling and deflection is the range between the angle 45 60 ̊ or angle must not exceed 60 .̊ For high-profile pieces (h) on the most optimal castella steel recommended height pieces (h) may not exceed 50% of the high-profile intact. Is the width of the profile pieces (e) on steel the most optimal castella is e should not be in excess of 21⁄2 times the height profile intact.