# How much load can a RCC roof take?

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When completely healthy and showing no signs of wear and tear, a concrete roof can safely support around 1,200 pounds (0.54 t) per square foot.

## How much weight can a RCC roof take?

Normally RCC roofs in India are designed for load of 150kg /SQM , so if you distribute the load to 6 SQM or say 10 feet x 6 feet area , so you can place it by widening the base of aquarium. And place it preferably over the beam.

## How do you calculate the load bearing capacity of a RCC roof?

Step 1 – Find out the no. Of bars and their dimensions in one meter span of slab in shorter direction. Step 2 – find out the grade of concrete. Step 3 – using the IS 456 page 90 formula, calculate the area of steel present in temaion and the thickness of slab and thereafter find the moment of resistance of slab.

## How much weight can a roof top hold?

How Much Weight Can A Flat Roof Hold? California building code sets minimum standards for roof load-bearing capacity. At minimum, any roof which may be used by maintenance workers must hold 300 pounds concentrated. Concentrated means that this weight can be held by any one spot on the roof.

## How is RCC load calculated?

1. Weight of beam = (0.3 x 0.45) x 5 x 25 = 16.875 kN.
2. U.D.L in the beam = 16.875/5 = 3.375 kN/m.
3. Weight of slab = 0.15 x 25 = 3.75 kN/m2
4. Load on 6 m span = 8 x 0.15 x 25 = 30 kN.
5. Thus, U.D.L = 30 / member length = 30/6 = 5 kN/m.
6. Load on 4 m span = 4 x 0.15 x 25 = 15 kN = 15 / member length = 15/4 = 3.75 kN/m.

## Can you pour a 2 inch concrete slab?

If done properly, new concrete can often be poured right over an existing slab. … For this to be feasible, the contractor needs to pour at least 2 inches thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.

## How strong is 4 inches of concrete?

4 inches, 4 foot, 4 meters? Typically we like to limit the weight to about 40 lb/sqft on an unknown 4″ slab. In most cases you can go to 80 lb/sqft in isolated spots, but unless you know roughly what the soil bearing and reinforcing is for that slab you might be looking at cracking.

## How is strength of RCC slab calculated?

Moment = force × perpendicular distance. From this, you can calculate the strength of slab without breaking the slab.

## How is load bearing capacity calculated?

To do this, multiply half of the total horizontal span supported by the column by half of the total vertical span supported by the column. Next, multiply the mezzanine’s square footage by the uniformed load. For this example, the uniform load is 125 pounds per square foot.

## Can my roof hold my weight?

While the average roof can withstand 20 pounds per square foot, there’s a huge range in the weight of snow: Fresh, light snow can weigh just 3 pounds per square foot… so your roof may be able to hold over 6 feet of it. Wet, heavy snow can weigh 21 pounds per square foot… so a foot of it could risk collapse.

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## Can I fall through my roof?

While a roof is designed to handle weight and pressure that is distributed across the tresses, it is not designed for this concentrated force. If your roof is in a state of disrepair or lacks structural integrity, this excessive stress could actually cause you to fall through the roof!

## Does walking on a roof damage it?

Other than physical harm, walking on the roof of a building can actually cause damage to roofing materials. … This shortens the roof’s lifespan and degrades the shingles. There is no need to walk on the roof unless it is for the rare and occasional repair. It is not a good idea to walk upon a roof for any other reason.

## How do you calculate load?

Calculating an Electrical Load in a Simple Circuit

Let Power = Voltage * Current (P=VI). Let Current = Voltage/Resistance (I=V/R). Apply Kirchoff’s Second Law, that the sum of the voltages around a circuit is zero. Conclude that the load voltage around the simple circuit must be 9 volts.

## What is design load in RCC?

In a general sense, the design load is the maximum amount of something a system is designed to handle or the maximum amount of something that the system can produce, which are very different meanings. For example, a crane with a design load of 20 tons is designed to be able to lift loads that weigh 20 tons or less.