**How to Design an RCC Structure: **

Tips and Tricks When it comes to RCC structure design, there are a few things you need to keep in mind. In this blog post, we will discuss some tips and tricks that will help you design an RCC structure that is both safe and efficient. RCC structures are becoming increasingly popular, so it is important to make sure that your design is up to par with the latest standards.

One of the most important aspects of RCC structure design is making sure that the foundation is strong enough to support the weight of the structure. The foundation should be made out of concrete and should be at least two feet thick. In addition, the foundation should be reinforced with steel rebar to ensure that it is able to support the weight of the structure

One of the most important aspects of RCC structure design is making sure that the foundation is strong enough to support the weight of the structure. The foundation should be made out of concrete and should be at least two feet thick. In addition, the foundation should be reinforced with steel rebar to ensure that it is able to support the weight of the structure

The roof is another important aspect of RCC structure design. The roof needs to be able to support the weight of the structure and also needs to be able to resist wind loads and seismic loads.

Following are some of the multiple choice questions on the **RCC Structures Design** with answers that will help the students in developing their knowledge.

## RCC Structures Design MCQ

### 1. An R.C.C. roof slab is designed as a two way slab if

### 2. The maximum shear stress (q) in concrete of a reinforced cement concrete beam is

### 3. According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is

### 4. An R.C.C. column is treated as short column if its slenderness ratio is less than

### 5. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm², safe shear stress 5 kg/cm² and B.M. 24 mt,

### 6. Distribution of shear intensity over a rectangular section of a beam, follows:

### 7. An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

### 8. If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is

### 9. The width of the rib of a T-beam, is generally kept between

### 10. The thickness of base slab of a retaining wall generally provided, is

### 11. A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

### 12. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by

### 13. In a simply supported slab, alternate bars are curtailed at

### 14. A part of the slab may be considered as the flange of the T-beam if

### 15. The advantage of a concrete pile over a timber pile, is

### 16. The maximum diameter of a bar used in a ribbed slab, is

### 17. [A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by

### 18. If the size of a column is reduced above the floor, the main bars of the columns, are

### 19. After pre-stressing process is completed, a loss of stress is due to

### 20. The maximum area of tension reinforcement in beams shall not exceed

### 21. According to the steel beam theory of doubly reinforced beams

### 22. If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be

### 23. If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width

### 24. The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept

### 25. A ribbed slab is provided for

### 26. The thickness of the topping of a ribbed slab, varies between

### 27. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than

### 28. If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

### 29. The percentage of minimum reinforcement of the gross sectional area in slabs, is

### 30. If ‘W’ is the uniformly distributed load on a circular slab of radius ‘R’ fixed at its ends, the maximum positive radial moment at its centre, is

### 31. The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is

### 32. If ‘H’ is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

### 33. If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:

### 34. Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than

### 35. The transverse reinforcements provided at right angles to the main reinforcement

### 36. The amount of reinforcement for main bars in a slab, is based upon

### 37. For initial estimate for a beam design, the width is assumed

### 38. Lapped splices in tensile reinforcement are generally not used for bars of size larger than

### 39. If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be

### 40. An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

### 41. The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon

### 42. Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam

### 43. The radius of a bar bend to form a hook, should not be less than

### 44. If T and R are tread and rise respectively of a stair, then

### 45. If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight 'w' per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is

### 46. An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encased with the floor of a hall 12 meters by 7 meters, is spaced at 3 meters from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is

### 47. Minimum spacing between horizontal parallel reinforcement of the same size should not be less than

### 48. Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than

### 49. If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than

### 50. The diameter of main bars in R.C.C. columns, shall not be less than

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