EXAMIANS
In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good
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The weight of a foundation is assumed as
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If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is
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If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is
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Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension
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To ensure uniform pressure distribution, the thickness of the foundation, is
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The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as
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Based on punching shear consideration, the overall depth of a combined footing under a column A, is
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A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is
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For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
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