Calculating Beam Load for One Way Slab: Analysis and Solutions

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In summary, the author is questioning the use of 0.5nIx in the question, which is for a one-way slab. The author believes that the load from the slab should be 8 x 0.5nIx based on the examples provided. They are seeking assistance in understanding this.
  • #1
tzx9633

Homework Statement



In this question , i think the author is wrong . In the question , the author use 0.5nIx , i know it's for one way slab .
P/ s : Photo 701-703 is for first case . Photo 704 to 706 are for 2nd case .

Homework Equations

The Attempt at a Solution


But , i think the load from slab should be 8 x 0.5nIx , because we can see that at the first example , the load is from both the left / right of the beam ...So , the same things go to the 2nd example , there's should be load due to the 8 slab ... ( Just like i shown in photo )
 

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  • #2
Can anyone help ?
 

1. How do you calculate the beam load for a one way slab?

To calculate the beam load for a one way slab, you will need to determine the total weight of the slab, including the weight of any materials or objects that will be placed on it. Then, divide this weight by the area of the slab to determine the load per unit area. Finally, use this value to calculate the load on the beams using the appropriate structural formulas.

2. What factors should be considered when calculating the beam load for a one way slab?

The factors that should be considered when calculating the beam load for a one way slab include the type and strength of materials being used, the dimensions and spacing of the beams, the weight of the slab and any additional loads, and the intended use and occupancy of the structure.

3. How do you determine the dimensions and spacing of beams for a one way slab?

The dimensions and spacing of beams for a one way slab are determined based on the span of the slab and the expected load. Typically, the beams should be spaced at a distance equal to the span of the slab divided by 20. The depth of the beams should also be at least 1/12 of the span for a uniformly distributed load, or 1/8 of the span for a concentrated load.

4. What are some common solutions for mitigating excessive beam load in a one way slab?

Some common solutions for mitigating excessive beam load in a one way slab include using stronger materials, increasing the dimensions or spacing of the beams, adding additional support such as columns or walls, and redistributing the load through the use of drop panels or thicker sections of the slab near the beams.

5. How do you ensure that the calculated beam load for a one way slab is within acceptable limits?

To ensure that the calculated beam load for a one way slab is within acceptable limits, it is important to follow building codes and industry standards for structural design and safety. This includes using appropriate safety factors, considering all potential loads and conditions, and having the design reviewed and approved by a qualified structural engineer.

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