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In a singly reinforced concrete beam section, maximum compressive stress in concrete and tensile stress reach their permissible stresses simultaneously. What is such a section called?
- a)Under-reinforced section
- b)Economic section
- c)Balanced section
- d)Over-reinforced section
Correct answer is option 'C'. Can you explain this answer?
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In a singly reinforced concrete beam section, maximum compressive stre...
Explanation:
1. Balanced section:
In a singly reinforced concrete beam, when the maximum compressive stress in concrete and tensile stress in steel reach their permissible stresses simultaneously, it is called a balanced section.
2. Characteristics of a balanced section:
- In a balanced section, the depth of the neutral axis is such that the tensile stress in the steel and compressive stress in the concrete reach their limits at the same time.
- This results in an efficient distribution of stresses in the beam, ensuring that both materials are utilized to their full capacity.
3. Advantages of a balanced section:
- A balanced section provides an optimal use of materials, leading to a cost-effective design.
- It ensures that the beam is neither over-reinforced nor under-reinforced, thereby maximizing its load-carrying capacity.
4. Design considerations:
- To achieve a balanced section, the depth of the neutral axis must be carefully determined based on the properties of the materials used and the applied loads.
- The reinforcement ratio and the section dimensions play a crucial role in achieving a balanced section.
5. Importance in structural design:
- Balanced sections are commonly used in the design of beams to ensure that the structure can withstand the expected loads without excessive deflection or failure.
- By optimizing the distribution of stresses, balanced sections contribute to the overall stability and safety of the structure.
In conclusion, a balanced section in a singly reinforced concrete beam is a critical design consideration that ensures the efficient utilization of materials and the structural integrity of the beam.
1. Balanced section:
In a singly reinforced concrete beam, when the maximum compressive stress in concrete and tensile stress in steel reach their permissible stresses simultaneously, it is called a balanced section.
2. Characteristics of a balanced section:
- In a balanced section, the depth of the neutral axis is such that the tensile stress in the steel and compressive stress in the concrete reach their limits at the same time.
- This results in an efficient distribution of stresses in the beam, ensuring that both materials are utilized to their full capacity.
3. Advantages of a balanced section:
- A balanced section provides an optimal use of materials, leading to a cost-effective design.
- It ensures that the beam is neither over-reinforced nor under-reinforced, thereby maximizing its load-carrying capacity.
4. Design considerations:
- To achieve a balanced section, the depth of the neutral axis must be carefully determined based on the properties of the materials used and the applied loads.
- The reinforcement ratio and the section dimensions play a crucial role in achieving a balanced section.
5. Importance in structural design:
- Balanced sections are commonly used in the design of beams to ensure that the structure can withstand the expected loads without excessive deflection or failure.
- By optimizing the distribution of stresses, balanced sections contribute to the overall stability and safety of the structure.
In conclusion, a balanced section in a singly reinforced concrete beam is a critical design consideration that ensures the efficient utilization of materials and the structural integrity of the beam.
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In a singly reinforced concrete beam section, maximum compressive stress in concrete and tensile stress reach their permissible stresses simultaneously. What is such a section called?a)Under-reinforced sectionb)Economic sectionc)Balanced sectiond)Over-reinforced sectionCorrect answer is option 'C'. Can you explain this answer?
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