Practice_Set_2_solution

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First Name: Family Name: Student ID: Practice Set 2_1 (Week 4) Estimated time to complete: 2 hours Question 1 Using the method provided in Clause 8.5.3 of AS3600 – Concrete Structures Standard, calculate the total deflection at mid-span of band beam mentioned in Q1 (e.g. Beam AB-3 with the span of 7 m) of Practice Set 1. For this calculations, ignore the stiffness contributions from the slab (i.e. band beam depth is 400 mm and width is 1200 mm). Concrete strength, f ' c = 40 MPa. E c = 32800 MPa (Table A.1, page 518 Textbook). E s = 200,000 MPa. The loading results have been calculated from the previous practice class (un-factored DL=46.94kN/m, un-factored LL=21.3 kN/m). Reinforcement details are as follows: Mid-span section: State the relevant clauses from AS3600 for each calculation. The building is designed to be used as office space . The final design shrinkage strain ε * cs can be taken as 510×10 -6 according to Clause 3.1.7 AS3600-2009. Calculate the short term and long term deflections. Question 2 Using the Clause 8.5.4 of AS3600, check whether the span-to-depth ratio of the above band beam would satisfy the deemed to comply requirement.

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