What are the advantages and disadvantages of reinforced concrete structure?

What are the advantages and disadvantages of reinforced concrete structure?

Reinforced concrete has a high compressive strength compared to other building materials. Due to the provided reinforcement, reinforced concrete can also withstand a good amount tensile stress. Fire and weather resistance of reinforced concrete is fair.

What are the advantages of prestressed concrete to reinforced concrete?

What are the advantages of prestressed concrete over reinforced concrete?

• Reduces occurrence of cracks .
• Freezing & thawing durability is higher than non prestressed concrete.
• Section remains uncracked under service loads.
• Reduction of steel corrosion.
• Increase in durability.
• Full section is utilized.

What are the advantages of prestress concrete?

The advantages of prestressed concrete include:

• The inherent compressive strength of concrete is used to its fullest.
• The special alloy steels used to form the prestressing tendons are used to their fullest.
• Tension cracks are eliminated, reducing the risk of the steel components corroding.
• Shear stresses are reduced.

What are the disadvantages of reinforced concrete?

Disadvantages of Reinforced Concrete Reinforced concrete structures are heavier than others like steel, wood, and glass structures. Concrete Buildings need massive formwork, centering,shuttering to be fixed. As a result, it require lots of site space and labor work. Concrete takes time to attain its full strength.

Which is the disadvantage of reinforcement concrete?

One of the major disadvantages of reinforced concrete is the lack of tensile strength. Though the concrete is strong in compression, it is very weak in tension. Therefore, usually, except on special occasions, the contribution of the tensile strength of concrete is not considered in the design.

What are the advantages and disadvantages of prestressed concrete over reinforced concrete?

Advantages and Disadvantages of Prestressed Concrete

• Longer span length increases untroubled floor space and parking facilities.
• Thinner slabs, that are important for high rise building as with the same amount of cost, it can construct more slabs than traditional thicker slabs.

What are the advantage and disadvantages of prestressed concrete as compare with reinforced concrete?

Advantages of Prestressed Concrete: Prestressed concrete members are free from cracks and the resistance to the effect of impact, shock, and stresses are higher than rcc structures. 2. Longevity of prestressed structure is greater than rcc structure because the reinforcement stays unaffected from outer agencies. 3.

What are the advantages of precast concrete construction?

Top 10 Advantages of Precast Concrete

• Precast concrete withstands everyday use.
• Precast concrete is weather-and-fireproof, and resistant to mildew and rust.
• Precast concrete becomes stronger with each day.
• Precast concrete can support heavy loads.
• Precast concrete can be thin, thick, heavy or light.

What are the disadvantages of rebar?

Cons (Disadvantages) of using Steel Rebar:

• High Cost: Steel is expensive and considerably increases the cost of structure.
• High Temperatures: Steel show tendency to melt in extremely high temperatures.

What are the disadvantages of prestressed concrete over RCC?

Disadvantages of Prestressed Concrete

• It requires high strength concrete and high tensile strength steel wires.
• The main disadvantage is construction requires additional special equipment like jacks, anchorage, etc.
• It requires highly skilled workers under skilled supervision.

How is prestressed concrete different from reinforced concrete?

Prestressed concrete has the following advantages: Since the prestressing technique removes cracks from the concrete at all stages of loading, the entire section of the structures takes part in the resistance to external load. In contrast to this, in reinforced concrete, only part of the concrete above the neutral axis is effective.

Why is reinforced concrete the most economical construction material?

Reinforced concrete, as a fluid material, in the beginning, can be economically molded into a nearly limitless range of shapes. The maintenance cost of reinforced concrete is very low. In structures like footings, dams, piers etc. reinforced concrete is the most economical construction material. It acts like a rigid member with minimum deflection.

What kind of steel is needed for prestressed concrete?

High strength steel is required, which is 2.5 to 3.5 times more expensive than mild steel.

How is tensile strength provided in reinforced concrete?

In conventional reinforced concrete , tensile strength is provided to the structural elements by placing reinforcing steel (passive) in the zones of the structural elements where tractions may appear.