Q: Using the American Method, design a concrete mix for a continuous foundation with across section of 1500 mm (Width) x 400 mm (Depth). The smallest spacing betweenreinforcing steel is 200 mm. The average compressive strength required for the concreteat 28 days is 35 MPa and slump to be in the range of 30-50 mm. The foundation isextremely exposed to brackish water in a cold climate. The raw materials used for thisconcrete 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 25 mm, a dry-rodded unit weight of1745 kg/m3, a bulk specific gravity (SSD) of 2.7, absorption capacity of 0.45% andmoisture content (OD) of 0.27%.• The fine aggregate has a bulk specific gravity (SSD) of 2.6 and a fineness modulus of 2.40,absorption capacity of 1.4%, a moisture content (SSD) of 2.9%. The aggregates conformto the ASTM C33-84 requirements for grading.Note: Use the Volume method when calculating the sand.

Given:- target strength= 35MPa Dry rodded unit wt CA=1745 kg/m3 Sp. Gr. of cement =3.15 Sp. Gr. of…

Using the American Method, design a concrete mix for a continuous foundation with a cross section of 1500 mm (Width) x 400 mm (Depth). The smallest spacing between reinforcing steel is 200 mm. The average compressive strength required for the concrete at 28 days is 35 MPa and slump to be in the range of 30-50 mm. The foundation is extremely exposed to brackish water in a cold climate. The raw materials used for this concrete have the following properties: 2 15

Using the American Method, design a concrete mix for a continuous foundation with a cross section of 1500 mm (Width) x 400 mm (Depth). The smallest spacing between reinforcing steel is 200 mm. The average compressive strength required for the concrete at 28 days is 35 MPa and slump to be in the range of 30-50 mm. The foundation is extremely exposed to brackish water in a cold climate. The raw materials used for this concrete have the following properties: 2 15

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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In compressive strength testing of concrete, which type of concrete will give a more accurate result. 100mm by 100mm cubed concrete or 100mm cylinder concrete. Why?
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