## Education (61)

### Children categories

### Torsional Moment-Stress

**Calculate the max stress because of torsional moment on the outer layer of a steel hollow rod when two forces act on it from a distance of 50mm from the center.**

### Shear bolt connection EC3

**Check the shear connection for the IPE450-S275 for the design shear V _{Ed}=500KN. Bolts M20-8.8, plate thickness t=20mm.**

### Calculate the location of point load

Calculate the distance x for locating point load so that the moment on the beam at point B is zero.

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Calculation Example – Angular acceleration, angular velocity.
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The column A moves to the right with variable speed V(t)=4*Vo*t+c. Calculate the angular velocity and the angular acceleration of the beam B. The beam is pinned at one end. (c is constant).

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Calculation Example – Torsional moment-Stress.
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Calculate the max stress because of torsional moment on the outer layer of a steel hollow rod when two forces act on it from a distance of 200mm from the center.

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Calculation Example – Member Diagram. Triangular load.
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Determine the diagrams for moment and shear for the following pinned at two ends beam for a triangular load. Total length 12m. EI constant. Units KN,m.

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Calculation Example – Shear bolt connection EC3.
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Check the shear connection for the IPE450-S275 for the design shear VEd=300KN. Bolts M20-8.8, plate thickness t=15mm.

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Calculation Example – Buckling of Column (EC3).
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Check the column for buckling according to EC3. HEB300/S275 and axial force NEd=1500KN. The column (L=12m) is pinned at the two far ends (strong axis y-y). The column is pinned every 4m at the weak axis z-z.

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Calculation Example – Plastic Neutral Axis.
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Find the location of the PNA (plastic neutral axis) from top for the following section.

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Calculation Example – Section Modulus S
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A simple beam pinned at two ends is loaded as shown in the figure. Calculate the required section modulus S if σallow =1500 ΚΝ/m2, L =24 m, P =2000 KN, and q = 400 KN/m.