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Design a concrete mix for the following conditions and constraints using the Absolute Volume Method. The material description are as follows: I. Design Environment i. Retaining Wall exposed to moderate sulfate exposure ii. Required Design Compressive Strength = 27.6 MPa iii. Standard Deviation of Compressive Strength of 1.8 MPa is expected (25 sample only) iv. Minimum space between re-bars vi. Minimum dimension 200 mm = 50 mm = 50 mm v. Minimum cover over re-bars vii. Maximum Slump is required viii. Only air entrained is allowed

Design a concrete mix for the following conditions and constraints using the Absolute Volume Method. The material description are as follows: I. Design Environment i. Retaining Wall exposed to moderate sulfate exposure ii. Required Design Compressive Strength = 27.6 MPa iii. Standard Deviation of Compressive Strength of 1.8 MPa is expected (25 sample only) iv. Minimum space between re-bars vi. Minimum dimension 200 mm = 50 mm = 50 mm v. Minimum cover over re-bars vii. Maximum Slump is required viii. Only air entrained is allowed

Structural Analysis
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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Design a concrete mix for the following conditions and constraints using the Absolute Volume Method. The material description are as follows: I. Design Environment Retaining Wall exposed to moderate sulfate exposure ii. Required Design Compressive Strength = 27.6 MPa ii. Standard Deviation of Compressive Strength of 1.8 MPa is expected (25 sample only) iv. Minimum dimension 200 mm v. Minimum space between re-bars 50 mm = 50 mm vi. vii. Maximum Slump is required viii. Only air entrained is allowed Minimum cover over re-bars II. i. Air Entrained - Manufacture Specification 5.5ml/1% air/100 kg cement (use maximum or +2% air Available Materials content) ii. Coarse Aggregates 25 mm Nominal Maximum Aggregate Size Rounded River Gravel (Note: apply water content reduction) Bulk Oven-dry specific gravity = 2.65 Absorption 0.2% Moisture Content 1.4% Oven-dry Rodded Density Fine Aggregates Natural Sand 1565 kg/m3 iii. Bulk Oven-dry specific gravity = Absorption = 0.7% 1.6% 2.60 Moisture Content Fineness Modulus Determine the following: Type of cement to be used. b. The strength requirement. c. The water-cement ratio requirement. d. The coarse aggregate requirement. The air content requirement. f. е. The workability requirement. The water content requirement. g. The cementing materials content requirement. i. The admixture requirement. j. The maiet a coractinne /1E Deintel The fine aggregate requirement. N I I II
Transcribed Image Text:Design a concrete mix for the following conditions and constraints using the Absolute Volume Method. The material description are as follows: I. Design Environment Retaining Wall exposed to moderate sulfate exposure ii. Required Design Compressive Strength = 27.6 MPa ii. Standard Deviation of Compressive Strength of 1.8 MPa is expected (25 sample only) iv. Minimum dimension 200 mm v. Minimum space between re-bars 50 mm = 50 mm vi. vii. Maximum Slump is required viii. Only air entrained is allowed Minimum cover over re-bars II. i. Air Entrained - Manufacture Specification 5.5ml/1% air/100 kg cement (use maximum or +2% air Available Materials content) ii. Coarse Aggregates 25 mm Nominal Maximum Aggregate Size Rounded River Gravel (Note: apply water content reduction) Bulk Oven-dry specific gravity = 2.65 Absorption 0.2% Moisture Content 1.4% Oven-dry Rodded Density Fine Aggregates Natural Sand 1565 kg/m3 iii. Bulk Oven-dry specific gravity = Absorption = 0.7% 1.6% 2.60 Moisture Content Fineness Modulus Determine the following: Type of cement to be used. b. The strength requirement. c. The water-cement ratio requirement. d. The coarse aggregate requirement. The air content requirement. f. е. The workability requirement. The water content requirement. g. The cementing materials content requirement. i. The admixture requirement. j. The maiet a coractinne /1E Deintel The fine aggregate requirement. N I I II
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