(i) Figure Q4, details a section through a laced twin beam (2 No. UKB's bolted together...
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(i) Figure Q4, details a section through a laced twin beam (2 No. UKB's bolted together with flange plates). The compound beam has a span of 11m, and uniformly distributed load of 38 kN/m @SLS and 52.5 kN/m @ULS. Calculate the following: (a) The deflection @SLS at mid span (include the self-weight of the beam) [8 marks] (b) The bending stress in the outer most fibre of the UKB flange and the outer most fibre of the Plate [7 marks] (c) The maximum shear stress, and sketch the shear stress distribution (no calculation required for the shear stress distribution sketch). [8 marks] 350 12 THK Flange 2 No. 406 x 140 UKB 46 Indicates 8 No. 16mm 350 × 12 THK Flange 65.6mm 70mm Figure Q4 (All dimensions in mm) Section Properties 406x140 UKB 46 h b tf tw lyy A Mass 403.2 mm 142.3 mm 11.2 mm 6.8 mm 15700cm+ 58.6 cm² 46 kg/m 5wL4 384EI E=210 kN/mm² Density =7850 kg/m³ 8= (i) Figure Q4, details a section through a laced twin beam (2 No. UKB's bolted together with flange plates). The compound beam has a span of 11m, and uniformly distributed load of 38 kN/m @SLS and 52.5 kN/m @ULS. Calculate the following: (a) The deflection @SLS at mid span (include the self-weight of the beam) [8 marks] (b) The bending stress in the outer most fibre of the UKB flange and the outer most fibre of the Plate [7 marks] (c) The maximum shear stress, and sketch the shear stress distribution (no calculation required for the shear stress distribution sketch). [8 marks] 350 12 THK Flange 2 No. 406 x 140 UKB 46 Indicates 8 No. 16mm 350 × 12 THK Flange 65.6mm 70mm Figure Q4 (All dimensions in mm) Section Properties 406x140 UKB 46 h b tf tw lyy A Mass 403.2 mm 142.3 mm 11.2 mm 6.8 mm 15700cm+ 58.6 cm² 46 kg/m 5wL4 384EI E=210 kN/mm² Density =7850 kg/m³ 8=
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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