a) Use the British method to design an air-entrained concrete trial mix with a volume of (0.04) m?, if you know the following: - The characteristic compressive strength at 28 days is (33) MPa, and k = 1.64, s =7 MPa. - The used cement is sulfate resisting Portland cement, - The slump = 100 mm. - The maximum free water to cement ratio = 0.40 (by weight). - The minimum cement content = 400 kg/m®, - The maximum cement content = 650 kg/m’. - Air content = 6.5 %. - Maximum size of aggregate = 10 mm. - Type of aggregate: coarse: crushed, fine: uncrushed. - % passing (0.6) mm sieve for fine aggregate = 60%. (20%) a) Use the British method to design an air-entrained concrete trial mix with avolume of (0.04) m³, if you know the following:- The characteristic compressive strength at 28 days is (33) MPa, and k = 1.64,s = 7 MPa.The used cement is sulfate resisting Portland cement.The slump 100 mm.- The maximum free water to cement ratio = 0.40 (by weight).The minimum cement content = 400 kg/m'.The maximum cement content =%3D650 kg/m'.Air content =6.5 %.- Maximum size of aggregate = 10 mm.- Type of aggregate: coarse: crushed, fine: uncrushed.% passing (0.6) mm sieve for fine aggregate = 60%.(20%)

Air-entrained concrete contains billions of microscopic air cells per cubic foot. It is for…

Answered: Use the British method to design an…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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a) Use the British method to design an air-entrained concrete trial mix with a volume of (0.04) m?, if you know the following: - The characteristic compressive strength at 28 days is (33) MPa, and k = 1.64, s =7 MPa. - The used cement is sulfate resisting Portland cement, - The slump = 100 mm. - The maximum free water to cement ratio = 0.40 (by weight). - The minimum cement content = 400 kg/m®, - The maximum cement content = 650 kg/m’. - Air content = 6.5 %. - Maximum size of aggregate = 10 mm. - Type of aggregate: coarse: crushed, fine: uncrushed. - % passing (0.6) mm sieve for fine aggregate = 60%. (20%)

a) Use the British method to design an air-entrained concrete trial mix with a
volume of (0.04) m³, if you know the following:
- The characteristic compressive strength at 28 days is (33) MPa, and k = 1.64,
s = 7 MPa.
The used cement is sulfate resisting Portland cement.
The slump 100 mm.
- The maximum free water to cement ratio = 0.40 (by weight).
The minimum cement content = 400 kg/m'.
The maximum cement content =
%3D
650 kg/m'.
Air content =
6.5 %.
- Maximum size of aggregate = 10 mm.
- Type of aggregate: coarse: crushed, fine: uncrushed.
% passing (0.6) mm sieve for fine aggregate = 60%.
(20%)

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