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542 questions
What is limit State Method?
To ensure both safety and serviceability, the Limit State Method (LSM) is a contemporary approach to structural design that evaluates a structure's ultimate and serviceability limit states.
Explain the singly reinforced structure.
A singly reinforced structure is a type of reinforced concrete element that uses reinforcement (typically steel bars) placed in one direction, usually in tension areas.
Explain the doubly reinforced structure.
A doubly reinforced structure is created when steel reinforcement is added to a reinforced concrete design on both the tension and compression sides of a structural element,
Explain the tension zone and compression zone of a beam.
Two separate zones, the tension zone and the compression zone, form in a beam that is bent. Tension Zone: When a beam bends under load, it experiences tensile (or stretching) forces in this area. It usually happens where the beam bends downward at the bottom of the simply supported beam.
What is the function of the neutral axis of a beam?
The neutral axis of a beam is the line in its cross-section that is not stressed by tensile or compressive forces.
What is under-reinforcement of a beam?
Under-reinforcement in a beam happens when there's less steel reinforcement than what's needed for a balanced design.
What is over-reinforcement of a beam?
Over-reinforcement of a beam refers to a design where the amount of steel reinforcement provided exceeds the balanced reinforcement ratio.
What is the difference between under-reinforcement and over-reinforcement sections?
Under-Reinforcement: This occurs when the balanced ratio of steel reinforcement is not used. This is an example of ductile failure, where the steel gives way before the concrete
What is the definition of a simply supported beam?
A simply supported beam is a beam that’s supported at both ends, letting it span freely between those points. It can move and rotate at the ends without any restrictions, which means it can flex under load.
What is the definition of a cantilever beam?
A cantilever beam is a type of beam that is secured at one end while the other end extends out into space. This design allows it to carry loads applied to the free end without needing additional support below
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