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Beam with three openings Ondřej Kratochvíl Institute of Structural Mechanics Faculty of Civil Engineering Brno University of Technology.

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Presentation on theme: "Beam with three openings Ondřej Kratochvíl Institute of Structural Mechanics Faculty of Civil Engineering Brno University of Technology."— Presentation transcript:

1 Beam with three openings Ondřej Kratochvíl Institute of Structural Mechanics Faculty of Civil Engineering Brno University of Technology

2 Geometry Span: 5m10m Heigh: 0,5m 0,7m Reinforcement bars: 5x Ø 18 5x Ø 22 LL1L2RH [m]

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4 L=5,0m h=0,5m L=5,0m h=0,7m L=10,0m h=0,5m

5 CHANGE OF STIFFNESS!

6 L=5,0 m h=0,5m Cracks in elements REINFORCEMENTS: Principal Stress max. 155 MPa CONCRETE: Principal Stress max. 3,16 MPa

7 REINFORCEMENTS: Principal Stress max. 127 MPa CONCRETE: Principal Stress max. 2,233 MPa

8 CONCRETE: Principal Stress max. 3,72 MPa REINFORCEMENTS: Principal Stress max. 114,9 MPa

9 H07 L5 H05 L5 σ N - the peak (maximum) nominal stress before failure

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11 1) Zatěžování posuvem ve třech místech je nestandardní 2) Velikosti modelů nejsou zcela vhodné pro posouzení vlivu velikosti


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