How to Correlate Rebound Number with Concrete Strength

How to establish relationship between rebound number and concrete strength

Establishing a reliable relationship between rebound hammer numbers and the compressive strength of concrete is a crucial aspect of quality control in construction projects. This correlation serves as a valuable tool for rapid, non-destructive assessment of concrete strength in both existing and under-construction structures. The rebound hammer test offers a quick and cost-effective method to … Read more

FLEXURAL STRENGTH TEST OF CONCRETE (IS:516-2021)

Flexural Strength Test Arrangement

Objective To determine the Flexural Strength of Concrete, which comes into play when a road slab with inadequate sub-grade support is subjected to wheel loads and / or there are volume changes due to temperature / shrinking.  Reference Standards IS: 516 (Part 1/Sec 1) : 2021 – Hardened Concrete – Methods of Test Part 1: Testing … Read more