Question

The specimen size for flexural strength test of concrete is:

• A. 150 × 150 × 650 mm for a span of 500 mm
• B. 150 × 150 × 600 mm for a span of 500 mm
• C. 150 × 500 × 700 mm for a span of 600 mm
• D. 150 × 150 × 700 mm for a span of 600 mm

Answer 1

Answer: (D)

The standard size shall be 150x150x700 mm for the span of 600 mm. Alternatively if the largest nominal size of the aggregate does not exceed 20mm, specimens 100x100x500 mm may be used.