0
Add your answer:
Earn +20 pts
How do you calculate kg of steel reinforcement in one cubic meter concrete?
it would depend entirely on the rebar design.....
How many kg of steel reinforcement in one cubic meter concrete for retaining wall?
The amount of steel reinforcement in a concrete retaining wall is typically measured in terms of kilograms per cubic meter (kg/m³). The exact quantity of steel reinforcement required can vary depending on factors such as the design specifications, load requirements, and the dimensions of the retaining wall. In general, a common range for steel reinforcement in concrete retaining walls is between 60 to 150 kg/m³, but it is crucial to consult with a structural engineer or refer to specific design guidelines for an accurate calculation.
How do you calculate the neutral axis of reinforced concrete slab?
Concrete slabs should be designed to fail under rebar yield as opposed to concrete crushing. So assuming a rebar yielding scenario the first step is to determine the maximum load which can be sustained by the tension rebar as follows, 0.87*Fy gives the failure maximum stress in the steel, which can then be multiplied by the total area of rebar to give the force of the steel in tension. where Fy is the yield strength of the steel. (typical value of Fy is say 500Mpa) Next it is assumed that the slab is in a state of static equilibrium i.e. not accelerating off in any direction! For this to happen the force in the concrete must = the force in the steel, Fst = Fcc = 0.567*Fck*A Fst = force of the steel in tension (calculated above) Fcc = force of concrete in compression = maximum sustainable Force of steel in tension Where Fck = concrete compressive strength, and A = area of a simplified stress block, limiting the depth of the stress block to 0.8x results in ; Fcc = 0.567*Fck*0.8x*B where x = depth to neutral axis B = breadth of slab Rearranging for x gives X = (Fcc/(0.567*Fck*B))/0.8
What is the full meaning of B R C in construction and uses?
In construction, BRC stands for "British Reinforced Concrete," which refers to a type of steel reinforcement mesh commonly used in construction projects to provide structural strength to concrete elements such as slabs, walls, and columns. The BRC mesh is manufactured by welding together high-strength steel wires in a grid pattern, creating a durable and flexible material that helps distribute loads and prevent cracking in concrete structures. The use of BRC mesh in construction helps improve the overall integrity and longevity of the concrete elements, making them more resistant to stresses and deformations.
How do you estimate the placing of rebars?
The placement of steel reinforcing is dependent on the requirements of the strength and load-bearing of the concrete. A structural engineer should be contacted in this regard.
Why the partial safety factor for concrete is higher than that for steel?
because concrete is unpredictable than steel
Why the partial safety factor of concrete is higher than that for steel?
because concrete is unpredictable than steel
What is the factor of safety value for working stress method?
for concrete a F.O.S. upto 3 is used . and for steel 1.75 to 1.85 .. is used.
What is the factor of safety of mild steel?
it's 1.75 - 2.00
Define steel reinforced concrete?
Steel reinforced concrete is concrete with rods of steel running through it.
How much steel is required for one cubic meter of concrete?
None. Concrete may be formed without metal.If you are reinforcing the concrete with rebar then it depends on what loads the reinforced concrete will have to bear, the dimension of the rebar, the safety factor involved, and lots of other geometric factors.Steel bars quantity will be according to structure element; but a (very) rough average of 120 KG per cubic meter.
Why concrete bridges have steel rods inside them?
The steel rods are there to strengthen the concrete - making it reinforced concrete.
How do you calculate the vol of steel to a given vol of concrete?
how calculate steel in concrete
What was the Tacoma Bridge made out of?
The basic matetrials were steel and concrete.
What is more fire resistant steel or concrete?
Concrete is much more fire resistant. This is shown by the design of reinforced concrete structure where the steel is placed within the concrete. A major reason is that the concrete protects the steel from any fire. Steel only construction requires the steel to be covered in a fire protection material.
What is heavier a steel beam or concrete beam?
Steel is heavier than concrete for the same volume, however steel buildings are generally lighter. This is because steel buildings utilize high strength of steel, so volume of steel in steel buildings is much smaller than volume of concrete in concrete buildings. In another words in steel buildings much less volume of material is needed for the same strength compared to concrete buildings.
What matereals is the humber bridge made out of?
Mainly re-enforced concrete (concrete that's been set around steel rods). The cables are made from many long strands of steel.
