Civil Engineering :: RCC Structures Design
- The minimum cube strength of concrete used for a pre-stressed member, is
- Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at
- If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
- The modular ratio ‘m’ of a concrete whose permissible compressive stress is ‘C’, may be obtained from the equation.
- The minimum number of main steel bars provided in R.C.C.
- The shear reinforcement in R.C.C. is provided to resist
- In a combined footing if shear stress does not exceed 5 kg/cm², the nominal stirrups provided are
- A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is
- In a slab, the pitch of the main reinforcement should not exceed its effective depth
- If ‘A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force ‘P’ through its centroidal longitudinal axis, the compressive stress in concrete, is
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