CRITICAL NEUTRAL AXIS FACTOR

Q.Design a RC rectangular beam simply supported over an effective span of 6 m to support an imposed load of 24 kN/m inclusive of its self weight. Use M 25 grade concrete and Fe 415 steel. Provide width of the beam equal to half of the depth. Use working stress method

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Q.Design a RC rectangular beam simply supported over an effective span of 6 m to support an imposed load of 24 kN/m inclusive of its self weight. Use M 25 grade concrete and Fe 415 steel. Provide width of the beam equal to half of the depth. Use working stress method SOLUTION: Effective span l … Read more

Q.Design a RC rectangular beam simply supported over an effective span of 5m to support an imposed load of 20 kN/m inclusive of its self weight. Adopt M 20 grade concrete and Fe 415 steel. Provide effective depth 1.5 times the width. Use Working stress method

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Q.Design a RC rectangular beam simply supported over an effective span of 5m to support an imposed load of 20 kN/m inclusive of its self weight. Adopt M 20 grade concrete and Fe 415 steel. Provide effective depth 1.5 times the width. Use Working stress method SOLUTION: Effective span l = 5m Working load  w … Read more

Design a rectangular R.C.C beam to resist a bending moment of 65 kN-m. Use M 20 grade concrete and Fe 415 steel. Assume b = 0.5d

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Q.Design a rectangular R.C.C beam to resist a bending moment of 65 kN-m. Use M 20 grade concrete and Fe 415 steel. Assume b = 0.5d SOLUTION: 1. PERMISSIBLE STRESSES σcbc =7N/mm ²                               σst = 230 N / mm ²  2. … Read more

Q. Design a R.C.C beam 230 mm wide to resist a bending moment of 30 kN-m. Use M 20 grade concrete and Fe 415 steel.

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Q. Design a R.C.C beam 230 mm wide to resist a bending moment of 30 kN-m. Use M 20 grade concrete and Fe 415 steel. SOLUTION: 1. PERMISSIBLE STRESSES σcbc =7N/mm ²                               σst = 230 N / mm ²  2. DESIGN … Read more