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FAQ’s from IS Codes (IS456, IS875, IS1893, IS800…)

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1. As per IS 456 in which annexure is it expalined what is one way slab

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2. As per IS 456 how do we provide tension reinforcement in slabs

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3. In Which Clause of IS 456 is it expalined how do we arrive at the shear strength to be carried by stirrups

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4. In Which table of IS 456 is it expalined where do we find the value of design shear strength of concrete in beams without shear reinforcement

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5. In Which Clause of IS 456 is it expalined what are the assumptions for design using limit state of collapse for compression

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6. In Which table of IS 456 is it expalined what are the partial safety factors for loads for limit state of copalse and limit state of serviceability

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7. In Which Clause of IS 456 is it expalined what is characteristic strength of concrete

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8. In Which Clause of IS 456 is it expalined what is the min thickness at the edge of the footing

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9. In Which Clause of IS 456 is it expalined that beyond what thickness should we provide steel in two layers for shear walls

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10. In Which Clause of IS 456 is it expalined what is the max effective height to thickness ratio in rcc walls

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11. In Which Clause of IS 456 is it expalined what is the max spacing of bars in a flat slab

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12. In Which Clause of IS 456 is it expalined what is the min thickness of a flat slab

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13. As per IS 456 in which clause it is explained what is a flat slab

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14. As per IS 456 in which clause it is explained how to provide negative reinforcement in deep beam

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15. As per IS 456 in which clause it is explained how to provide positive reinforcement in deep beam

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16. What is the min dia of laterail ties in columns in IS 456

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17. What is the max spacing of longitudinal bars along the perifery of the column as per IS 456

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18. What is the min dia of longitudinal bar for columns as per IS 456

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19. Which clause of IS 456 do we reffer to understand the nominal cover to reinforcment

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20. From IS 456 which clause do we use to get the unsupported length of a compression member?

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21. Which clauses from IS 456 do we use to find teh effective width of flange of T beams and L beams

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22. Which clauses from IS 456 do we use to assume the salb as a compression flange of a T beam or L beam

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23. Which clauses from IS 456 do we use to calcualte the effective depth of a beam

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24. Which clauses from IS 456 do we use to see the critical section for shear

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25. For monolithic construction, where shall be the moments computed for the design of the members?

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26. In which clause the effective span of a continues beam or slab is discussed in IS456?

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27. In which clause the effective span of a simply supported beam or slab is discussed in IS456?

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28. What is the code concerned to live loads consideration on structures?

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29. When should one carry the load test on structures

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30. Clause for tolerances for cover in IS456?

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31. Clause for stripping time of formworks for various structural elements in IS456?

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32. What is the minimum time of mixing of concrete?

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33. Which codes do we refer for concrete mixers?

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34. What is the code for mixing of concrete as per IS 456?

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35. What is the cluase that talks on the Durabilty of Concrete in IS 456?

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36. What is the table that specifies the possible grades of concrete as per IS 456?

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37. What are the codes concernd to Mild & Medium steel bars and HYSD steel bars?

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38. What is the clause concerned to usage of sea water for concrete mixing as per IS 456?

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39. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel bars, but not less than

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40. Spacing of stirrups in a rectangular beam, is

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41. The spacing of transverse reinforcement of column is decided by the following consideration

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42. The Effective length is of a columns of length having both the ends fixed is?

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43. P = Pi*2 E I /L*2 is the buclking load for column with..!

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44. How many clauses are there in IS-456 (2000)?

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45. Maximum distance between expansion joints in structures as per IS:456-1978 is?

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46. According to IS:456-1978, the maximum percentage of reinforcement in a column is?

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47. According to IS:456-1978, minimum slenderness ratio for a short column is?

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48. Minimum grade of concrete to be used in reinforced concrete as per IS:456-2002 is?

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49. For a reinforced concrete section, the shape of shear stress diagram is?

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50. The factor of safety in design for?

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