Reinforced concrete design
Previous year question paper with solutions for Reinforced concrete design Dec-2018
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Question paper 1
SECTION-A
Q1. Fill in the blanks.
a. TMT steel stands for ____________.
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Read moreb. In singly reinforced beams, main steel is provided in the ________ zone.
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Read morec. Partial safety factor for steel is _____.
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Read mored. FCK stands for ____________ of concrete
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Read moree. Unit weight of RCC is _______.
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Read moref. The outward bending of long column is known as ________.
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Read moreg. The minimum diameter of longitudinal bars in column shall not be less than ______mm.
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h. ______ reinforced beam are suitable where the dimensions of the beam are restricted.
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i. The limiting value of depth of neutral axis of Fe 415 steel is ______.
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j. For over reinforced sections actual NA is _______ than critical N.A.
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SECTION-B
Q2. Attempt any five questions.
i. Differentiate between one way slab and two way slab.
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Read moreii. Why doubly reinforced beams are preferred over singly reinforced beams?
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Read moreiii. What are the assumptions made in Limit state of collapse in flexure?
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Read moreiv. Give IS specifications for helical (spiral) reinforcement in columns.
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Read morev. Define pre-stressed concrete and its types
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Read morevi. What is necessity of providing shear reinforcement? Explain various types of shear reinforcement
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Read morevii. What are the types of failure in columns?
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viii. Explain modular ratio and lever arm.
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SECTION-C
Attempt any three questions.
Q3. Design a square column subjected to an ultimate axial load of 2000 KN. Use M20 concrete and Fe 415 steel.
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Read moreQ4. A simply supported beam section 200 x 300 mm effective is required to resist a bending moment of 50 KNm. Find steel required, if M20 concrete and Fe 415 steel grade is used. Take d’ = 40mm.
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Q5. Design a simply supported slab to cover a room with following data: Size of room 4m x 8m Bearing on walls = 230mm Live load = 4 KN/m2 Load of surface finishing = 1 KN/m2 Clear cover and end cover = 20mm M 20 concrete And Fe 415 steel.
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Q6. a) What are the different types of losses in pre-stress works?
b) Explain any one system of pre-stressing.
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Q7. Calculate ultimate moment of resistance for a beam of size 270 x 570 mm. Tension reinforcement is 4- 20mm dia. Effective cover to tension is 20 mm. Use M20 grades of concrete and Fe 415 steel.
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