Q.. Using the American Method, design a concrete mix for a slab with the following dimension (length = 10m, width = 3.5m, depth = 0.13m). The smallest spacing between reinforcing steel is 150 mm. The average compressive strength required for the concrete at 28 days is 30 MPa and slump to be in the range of 30-70 mm. The foundation is moderately exposed to brackish water in a cold climate and is intended to be used in watertight. The raw materials used for this concrete have the following properties: Cement used is Sulphate resistant Portland cement with a specific gravity of 3.15. • The available coarse aggregate has a maximum size of 50 mm, a dry-rodded unit weight of 1720 kg/m3, a bulk specific gravity (SSD) of 2.7, absorption capacity of 0.5%. • The fine aggregate has a bulk specific gravity (SSD) of 2.6 and a fineness modulus of 2.6. The aggregates conform to the ASTM C33-84 requirements for grading. Note: 1) Do not Adjust the amount of water in the mix design 2) Use the Volume Method to determine the Weight of Fine Aggregate.

Q.. Using the American Method, design a concrete mix for a slab with the following dimension (length = 10m, width = 3.5m, depth = 0.13m). The smallest spacing between reinforcing steel is 150 mm. The average compressive strength required for the concrete at 28 days is 30 MPa and slump to be in the range of 30-70 mm. The foundation is moderately exposed to brackish water in a cold climate and is intended to be used in watertight. The raw materials used for this concrete have the following properties: Cement used is Sulphate resistant Portland cement with a specific gravity of 3.15. • The available coarse aggregate has a maximum size of 50 mm, a dry-rodded unit weight of 1720 kg/m3, a bulk specific gravity (SSD) of 2.7, absorption capacity of 0.5%. • The fine aggregate has a bulk specific gravity (SSD) of 2.6 and a fineness modulus of 2.6. The aggregates conform to the ASTM C33-84 requirements for grading. Note: 1) Do not Adjust the amount of water in the mix design 2) Use the Volume Method to determine the Weight of Fine Aggregate.

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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