EXAMIANS
If p₁ and p₂ are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is
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If diameter of a reinforcement bar is d, the anchorage value of the hook is
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If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is
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If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm² and 1400 kg/cm² respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is
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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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In a pre-stressed member it is advisable to use
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Steel beam theory is used for
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The minimum thickness of a flat slab is taken
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If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge
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An R.C.C. roof slab is designed as a two way slab if
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