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Cylinders which have been subjected only to field curing conditions prior to testing may be used to assess the quality of the concrete as delivered. OA) True B) False The specified compressive strength of a concrete mixture is 30 MPa. If C-2 is chosen

Cylinders which have been subjected only to field curing conditions prior to testing may be used to assess the quality of the concrete as delivered. OA) True B) False The specified compressive strength of a concrete mixture is 30 MPa. If C-2 is chosen

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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Cylinders which have been subjected only to field curing conditions prior to testing may be used to assess the quality of the concrete as delivered. OA) True O B) False The specified compressive strength of a concrete mixture is 30 MPa. If C-2 is chosen as the suitable exposure class and no statistical data on previous mixtures are available, which one of the following would best estimate the required compressive strength (in MPa) based on the CSA Standard? O A) 40.5 O B) 36.5 O) 38.5 O D) 32 Which one of the following methods may be used to increase the workability of fresh concrete? OA All of the above B) Adding super plasticizers C) Using well-graded aggregates O D) Using rounded aggregates Determine the exposure class that would be used for concrete in a very severe environment like that of the Confederation Bridge in Prince Edward Island (PEI) with high durability performance expectations. O Al S-1 O B) C-1 OD) F-1 O
Transcribed Image Text:Cylinders which have been subjected only to field curing conditions prior to testing may be used to assess the quality of the concrete as delivered. OA) True O B) False The specified compressive strength of a concrete mixture is 30 MPa. If C-2 is chosen as the suitable exposure class and no statistical data on previous mixtures are available, which one of the following would best estimate the required compressive strength (in MPa) based on the CSA Standard? O A) 40.5 O B) 36.5 O) 38.5 O D) 32 Which one of the following methods may be used to increase the workability of fresh concrete? OA All of the above B) Adding super plasticizers C) Using well-graded aggregates O D) Using rounded aggregates Determine the exposure class that would be used for concrete in a very severe environment like that of the Confederation Bridge in Prince Edward Island (PEI) with high durability performance expectations. O Al S-1 O B) C-1 OD) F-1 O
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