For the design of cement concrete pavement for corner loading, Indian Road Congress recommends the use of (A) Westergaard's formula (B) Kelly's formula (C) Goldbeck's formula (D) Picker's formula

For the design of cement concrete pavement for corner loading, Indian Road Congress
recommends the use of
(A) Westergaard's formula
(B) Kelly's formula
(C) Goldbeck's formula
(D) Picker's formula
by

1 Answer

Answer :

Answer: Option D
by

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Description : If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is (A) b = d 2 ) - 0.675 d (B) b = d 2 ) + 0.675 d (C) b = d 2 ) - 3.675 d (D) b = d 2 ) - 0.675 d

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Depth of reinforcement below the surface of a concrete pavement, is generally kept (A) 5 cm (B) 6 cm (C) 7 m (D) 9 m

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To indicate proper control of consistency of a freshly mixed concrete for pavement construction, the slump should be between (A) 3 to 5 cm (B) 4 to 6 cm (C) 5 to 7 cm(D) 7 to 10 cm

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Concrete pavement is provided if daily traffic per lane exceeds (A) 500 tonnes (B) 750 tonnes (C) 1000 tonnes (D) 1250 tonnes

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To prevent compressive stresses in a rigid concrete pavement, the joint provided, is (A) Expansion joint (B) Contraction joint (C) Hinged joint (D) All the above

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When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these

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In a concrete pavement, during summer, at and soon after mid-day, the combined stress at the interior of the slab is equal to : (a) Wheel load stress + Temperature warping stress + Sub grade resistance stress (b) Wheel load stress + Temperature warping stress – Sub grade resistant stress (c) Wheel load stress – Temperature warping stress + Sub grade resistant stress (d) Wheel load stress – Temperature warping stress − Sub grade resistant stress

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Interior thickness of concrete road slab for design wheel load 6300 kg and permissible flexural stress 21 kg/cm2 , is (A) 17.0 cm (B) 25.5 cm (C) 34.0 cm (D) 42.5 cm

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The basic formula for determination of pavement thickness was first suggested by (A) Spangler (B) Picket (C) Kelly (D) Goldbeck

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Design of flexible pavement, involves (A) Wheel loads (B) Intensity of traffic (C) Climate of the region (D) Sub-grade conditions

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Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2 , is (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

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Last Answer : Answer: Option C

The method of design of flexible pavement as recommended by IRC is (A) Group index method (B) CBR method (C) Westergaard method (D) Benkelman beam method

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Last Answer : Answer: Option B

On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45

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Last Answer : Answer: Option C

Indian Road Congress (I.R.C.) was founded and constituted with its head quarters at New Delhi, in (A) 1924 (B) 1927 (C) 1930 (D) 1934

Description : Indian Road Congress (I.R.C.) was founded and constituted with its head quarters at New Delhi, in (A) 1924 (B) 1927 (C) 1930 (D) 1934

Last Answer : Answer: Option D

According to Indian Road Congress, the width of carriageway, is(A) 3.75 m for single lane (B) 7.0 m for two lanes without raised kerbs (C) 7.5 m for two lanes with raised kerbs (D) All the above

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