The point loads are placed at the fixed positions shown in the figure and they are live loads. A B K 1₁1 12 a a Variable

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The Point Loads Are Placed At The Fixed Positions Shown In The Figure And They Are Live Loads A B K 1 1 12 A A Variable 1 (88.2 KiB) Viewed 50 times

The Point Loads Are Placed At The Fixed Positions Shown In The Figure And They Are Live Loads A B K 1 1 12 A A Variable 2 (110.09 KiB) Viewed 50 times

The point loads are placed at the fixed positions shown in the figure and they are live loads. A B K 1₁1 12 a a Variables b b a 2.5 m 3 m 50 mm 550 mm С 350 mm Asc 620 mm² Ast 3200 mm² 1₁ Asc Ast Cross section 1₂ W C (centre) D f' = 38 Mpa f'ctf = 3.5 MPa fsy = 500 MPa E = 200 GPa E = 28600 MPa 1₁
Q1) The beam carries an unfactored uniformly distributed dead load (including self-weight) of G = 3 kN/m and an unfactored uniformly distributed live load of Q = 0 kN/m. Two concentrated unfactored live loads of P = 4 kN are applied at the positions shown in the figure. (Note: The load factor for G is 1.2, and for P is 1.5. There is no uniformly distributed live load.) 1.1 Find the maximum moment of the beam. Max dn 1.2 Find the neutral axis distance from the top surface. If the section is governed by the linear elastic regime, the transformed area method dn = Σ yi Ai/ Σ A; is valid. = = 1.3 Find the cracking moment. Mc = 1.4 Does this section crack? (No answer given) (No answer given) No Yes kNm (1 mark) (1 mark) mm (1 mark) kNm (2 mark) creases gradually and the moment at the critical section just exceeds the cracking moment (Mc), but the compressive section