RCC Structures Design Questions

• If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the prestressed beam is L, the upward uniform pressure will be
• If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is
• The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes
• The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is
• If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is
• The breadth of a ribbed slab containing two bars must be between
• If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2 acting on strips parallel to l2 and l1 is
• If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is
• A per IS : 1343, total shrinkage for a pretensioned beam, is
• The Young's modulus of elasticity of steel, is
• The design of heel slab of a retaining wall, is based on the maximum bending moment due to:
• On an absolutely rigid foundation base, the pressure will
• If W is weight of a retaining wall and P is the horizontal earth pressure, the factor of safety against sliding, is
• Total pressure on the vertical face of a retaining wall of height h per unit run exerted by the retained earth weighing w per unit volume, is
• Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
• An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is
• The weight of reinforced concrete, is generally taken as
• 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
• As per IS : 456, the reinforcement in a column should not be less than
• In a singly reinforced beam