Question
Download Solution PDFTo determine the modulus of rupture, the size of test specimen used is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
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The modulus of rupture is determined using a beam specimen in a flexural strength test.
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As per IS 516:1959, the standard specimen size is 150 mm × 150 mm × 700 mm.
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This size provides a span of 600 mm with a span-to-depth ratio of 4, which is essential for accurate results.
Additional Information
Modulus of Rupture (Flexural Strength):
- Modulus of rupture is the maximum stress a concrete specimen can withstand in bending before failure. It reflects the tensile strength of concrete indirectly.
- Used to evaluate the flexural tensile strength of concrete, particularly in pavement slabs, beams, and other flexure-dominated elements.
Test Standards:
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IS 516:1959 (India)
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ASTM C78/C78M (International)
Typical Test Setup:
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Beam specimen: 150 mm × 150 mm × 700 mm
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Span length: 600 mm
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Load applied at third points (two-point loading)
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