Analysis of Singly Reinforced Beam by WSM 1 - Theory of Reinforced Concrete Structures

TL;DR

This video provides an analysis of the types of reinforced beams, the process of determining moment of resistance, and a numerical example.

Transcript

hello friends my name is Mohammad Rafi 15 in this video we are going to learn about also being section and then we will learn about determining process of moment of resistance and finally we will see one numerical on it first of all we will see pipes often force concrete beams the first one is singly reinforced beam what is singly reinforced being ... Read More

Key Insights

• 😁 Singly reinforced beams have reinforcement in the tension zone, while doubly reinforced beams have reinforcement in both tension and compression zones.
• 😁 Plain beams are part of the floor system and act as a team.
• 😐 The process to determine moment of resistance involves calculating permissible stresses, modular ratio, and critical and actual neutral axis.
• 😐 The type of section (balanced, under reinforced, or over reinforced) is determined by comparing the actual and critical neutral axis.
• ⚾ Moment of resistance can be calculated using specific formulas based on the section type.
• 😁 Calculating the safe load helps determine the maximum load the beam can carry.
• 🦺 The safe load can be determined by equating maximum bending moment with moment of resistance.

Questions & Answers

Q: What is the difference between singly reinforced and doubly reinforced beams?

Singly reinforced beams have reinforcement only in the tension zone, while doubly reinforced beams have reinforcement in both tension and compression zones.

Q: What are plain beams and how do they contribute to the floor system?

Plain beams are a part of the floor system, where slabs and beams are casted together. The intermediate beams act as a team.

Q: How can we determine the moment of resistance in a given section?

To determine the moment of resistance, we need to calculate permissible stresses, the modular ratio, critical and actual neutral axis, and use specific formulas based on the section type.

Q: What is the purpose of calculating the safe load?

Calculating the safe load helps determine the maximum load the beam can carry by equating the maximum bending moment with the moment of resistance of the section.

Summary & Key Takeaways

• Singly reinforced beams have steel reinforcement in the tension zone, while doubly reinforced beams have reinforcement in both tension and compression zones.

• Plain beams have slabs and beams casted monolithically, with intermediate beams acting as a team.

• The process to determine moment of resistance involves calculating permissible stresses, modular ratio, critical and actual neutral axis, and using formulas based on the type of section.