The diagram you've uploaded shows a statically indeterminate beam structure subjected to a combination of point loads, applied moments, and various supports. The beam has the following key features:

• Support at A: Likely a pinned or fixed support (given the triangle symbol).
• Two roller supports between A and B, providing vertical reactions but allowing horizontal movement.
• Two applied moments of $M = 20 \, \text{kN.m}$.
• A point load $P = 20 \, \text{kN}$ acting at point B at an angle of $1:2$ (this ratio indicates the slope of the angle of the load).
• Span distances are given as follows:
  • $L_1 = 2 \, \text{m}$
  • $L_2 = 3 \, \text{m}$
  • $L_3 = 4 \, \text{m}$

To analyze this beam, we will typically proceed with the following steps:

1. Resolve the Point Load: The point load is inclined, so it needs to be resolved into horizontal and vertical components.

   • The vertical component $P_v$ is found using the ratio $1:2$, which is related to the tangent of the angle. $P_v = P \cdot \frac{2}{\sqrt{1^2 + 2^2}}$.
   • The horizontal component $P_h = P \cdot \frac{1}{\sqrt{1^2 + 2^2}}$.

2. Determine Reactions at Supports: The structure is likely statically indeterminate, so we would apply either:

   • Moment distribution method
   • Slope-deflection method
   • Virtual work or energy methods to find the reactions at supports.

3. Set up Equilibrium Equations: The sum of forces in both the horizontal and vertical directions, as well as the sum of moments, must equal zero:

   • $\Sigma F_x = 0$
   • $\Sigma F_y = 0$
   • $\Sigma M_A = 0$ or another suitable point

4. Beam Deflection and Bending Moment Calculation: With the reactions known, you would calculate bending moments, shear forces, and deflections along the beam using standard beam formulas or moment-curvature relations.

Would you like to focus on calculating the reactions, or proceed with the full analysis (including shear force and moment diagrams)?

Here are some related questions you might find helpful:

1. How do you calculate the reactions at A and B for a statically indeterminate beam?
2. What are the steps involved in resolving an inclined load into horizontal and vertical components?
3. How can we apply the moment distribution method to analyze this beam?
4. How do support reactions change when there are applied moments on the beam?
5. What methods can be used to determine the deflection of beams under different load types?

Tip: Resolving inclined forces into their components is crucial for accurate analysis in statics problems.