GATE CE 2009 | Workmenship and Fundamentals Question 15 | Reinforced Cement Concrete

For limit state of collapse, the partial safety factors recommended by IS 456:2000 for estimating the design strength of concrete and reinforcing steel are respectively

1.15 and 1.5

1.0 and 1.0

1.5 and 1.15

1.5 and 1.0

GATE CE 2008

MCQ (Single Correct Answer)

-0.3

A reinforced concrete structure has to be constructed along a sea coast. The minimum grade of concrete to be used as per IS: 456-2000 is

M 15

M 20

M 25

M 30

GATE CE 2007

MCQ (Single Correct Answer)

-0.3

Consider the following statements:

1. The compressive strength of concrete decreases with increase in water-cement ratio of the concrete mix.

2. Water is added to the concrete mix for hydration of cement and workability.

3. Creep and shrinkage of concrete are independent of the water-cement ratio in the concrete mix.

The true statements are

1 and 2

1, 2 and 3

2 and 3

only 2

GATE CE 2005

MCQ (Single Correct Answer)

-0.3

The partial factor of safety for concrete as per IS: 456-2000 is

1.50

1.15

0.87

0.446

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