How do you calculate the dynamic load of a machine?

Calculate the vehicle’s rate of acceleration. Sixty mph equates to 88 feet-per-second, divided by 7.2 seconds, yielding 12.22 feet-per-sec^2. Calculate the dynamic load to the drive wheels by solving the F = m x a formula, which is Newton’s Second Law of Physics.

How do you calculate the load on a concrete beam?

Load Calculation of Beam

1. 300 mm x 450 mm excluding slab thickness.
2. Concrete Volume = 0.3 x 0.60 x 1 =0.138m³
3. Concrete weight = 0.138 x 2400 = 333 kg.
4. Steel weight (2\%) in Concrete = = 0.138 x 0.02 x 7850 = 22 kg.
5. Total Column weight= 333 + 22 = 355 kg/m = 3.5 KN/m.

How do you size a generator pad?

The pad should be flat and level to within ½ inch. The depth of the pad is calculated as 125\% of the unit wet weight (fuel included). A 10,000 lb generator would thus require a 12,500 lb pad. Concrete weighs approximately 150 lbs/cu ft.

How do you calculate dynamic load of rotating equipment?

= 2 ×3.14 ×7000/60 =732.67 rad/sec Critical Speed (fC) = 1st ∽3500 rpm 2nd∽ 9850 rpm e = 0.0015 (provided by manufacturer) Dynamic eccentricity at operating speed e = e/ [1-(f/fC) 2] = 0.0015/[1-(7000/3500)2] = 0.0005 inch Centrifugal force FO FO = (WR/g) ×e×ω2 = (2200/9.81×3.28) ×0.0005/12×732.672=1530 lbs.

How do you calculate dynamic weight?

Place your object on a regular scale and find its weight. Multiply its weight by 4.45 to convert from pounds to Newtons. Divide this number by 9.81 (the rate of gravity) to find its mass. Find the velocity of your object and divide that by the time it took your object to reach its destination.

How do you calculate beam load capacity?

Solution:

1. Loads on the RCC Slab. Self-weight= concrete unit weight * Volume of concrete. = 24 * 0.1= 2.4 KN/m2
2. Loads on the Beam. Self-weight= concrete unit weight* beam width*beam height. =24 * 0.28*0.25= 1.68 KN/m.
3. Compute Applied Moment. Assume partial fixity of columns.
4. Geometry of the Original Section.

How do you do a load calculation?

Calculating Load

1. Add together the wattage capacity of all general lighting branch circuits.
2. Add in the wattage rating of all plug-in outlet circuits.
3. Add in the wattage rating of all permanent appliances (ranges, dryers, water heaters, etc.)
4. Subtract 10,000.
5. Multiply this number by .
6. Add 10,000.

How do you calculate generator foundation?

Foundations must be able to withstand the installation’s weight and prevent deflection. To determine the pressure exerted by a generator set, use the following equation: P = W/A Where: P = pressure in PSI (kPa) W = generator set wet weight in lbs (kg) A = Area in sq. in. (m2) of the rails, pads or vibration mounts.

How thick should a concrete slab be for a generator?

Thickness depends in part on the weight of the generator. Three to four inches thick is common. Pre-cast pads reduce installation time over pouring a pad on site and are usually the most cost-effective concrete pad.

How do you calculate full load generator capacity?

Add the power in kilowatts used by each emergency safety system according to articles 700, 701, 702 and 708 of the NEC to the kilowatts required to obtain full load kilowatts (kW). Full load kW = Total amps x supply voltage / 1,000 Reserve capacity = Full load kW x 0.25 For 100 percent power, generator size = Full load kW + reserve capacity

What is the relationship between a generator and a concrete slab?

The only relationship between a generator engine and a structural concrete slab is the weight and vibration/resonance the engine creates.

How to create harmonic load on foundation slab?

The rotating parts (100kN) of an arbitrary machine cause a harmonic load on a foundation slab. One cycle takes 4s. After each cycle the machine holds still for 1s, then the next cycle starts. The machine is supported in 4 positions. Open the window ‘Loads Groups’ . Add a load group ‘Live load’.

How do I calculate a model with a dynamic loading?

Click on the window ‘Loads Groups’ . Click on the button . Select the required combinations and hit ‘OK’. Calculating a model with a dynamic loading requires the license ‘Linear Dynamic Analysis’. Click on the button or press ‘F9’ to start the analysis.