Structural Design Specifications Questions

• For the proportions
• The concrete may be accepted if the average equivalent cube strength of the cores, is at least 85% of the cube strength of the concrete grade at the specified age and no individual core possesses strength less than
• Pick up the correct statement from the following:
• For nominal mix concrete M 15, the required weight of fine and coarse aggregates is 350 kg and the volume of water is
• Columns are designed for a minimum eccentricity equal to 1/30 (unsupported length ofthe column), subject to a minimum of
• For concreting of shallow sections with vibration, the work ability of concrete should be
• Pick up the correct statement from the following:
• A solid slab spanning in two directions at right angles and carrying a uniformly distributed load, is supported on beams. If the length of two such beams A and B perpendicular to each other are x and y (x<y), the load shared by the beam A, is
• In the formula a + bk for the calculation of the net effective section of single tee in tension connected by flange to the same side of the same side of the gusset, the value of 'k' is taken
• Pick up the correct statement from the following:
• If b is actual width of a flange, Dt is the thickness of the flange, bω is the breath of the web, lo is the distance between the points of zero moments in a beam, the effective width of the flange, is
• All reinforcement should be free from
• To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mixing time may be
• If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least ......of main reinforcement
• For all practical purposes, the modulus of elasticity of steel is assumed
• For spans upto 10 m, the safe span to depth ratio for
• The angle of inclination of the lacing bars with axis of the member is kept between
• If fck is characteristic compressive strength of concrete, the flexural and split tensile strength fcr = afck N/mm2 where the value of a is
• The minimum area of cross section of reinforcement in either direction of a slab should not be less than ...... of the slab cross section
• The thickness 't' of a rectangular column base which is provided for distributing the load uniformly, is calculated from the formula