RCC Structures Design Questions

• A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is
• A short column 20 cm x 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed
• Thickened part of a flat slab over its supporting column, is technically known as
• The minimum cube strength of concrete used for a prestressed member, is
• For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is
• The thickness of base slab of a retaining wall generally provided, is
• A foundation rests on
• A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is
• An R.C.C. column is treated as long if its slenderness ratio is greater than
• If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is
• The transverse reinforcements provided at right angles to the main reinforcement
• Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at
• The number of treads in a flight is equal to
• Post tensioning system
• The amount of reinformcement for main bars in a slab, is based upon
• The advantage of a concrete pile over a timber pile, is
• The width of the flange of a T-beam should be less than
• High strength concrete is used in prestressed member
• In a beam the local bond stress Sb, is equal to
• In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are: