How to Solve Frames with Inclined Members. Step-by-Step Internal Forces Calculation.

Описание: In this video, we solve a complex frame structure featuring an inclined member, an internal hinge, and various loads (distributed load, concentrated forces, and a concentrated moment). The main challenge here is handling the slanted beam – learn exactly how to resolve forces into normal and shear components!

📘 What you will learn in this tutorial: This step-by-step guide covers the entire process of determining internal forces in a statically determinate frame.

Brief overview of support reactions.

Crucial Step: How to resolve vertical and horizontal forces relative to the inclined member using trigonometry (sine/cosine) .

Drawing the Normal Force Diagram (NFD)
Drawing the Shear Force Diagram (SFD)
Drawing the Bending Moment Diagram (BMD)
How to handle a concentrated moment applied to the frame structure .
Checking conditions at the internal hinge.

🔢 Problem Data:

Distributed load: q = 3 kN/m
Concentrated force (horizontal): P1 = 8 kN
Concentrated force (vertical on inclined member): P2 = 6 kN
Concentrated moment: M = 4 kNm

Geometry: As shown in the video diagram.

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