Currently, the rebound hammer is widely used for estimation of compressive strength of concrete as general testing method. Although rebound hammer has made great contribution for compressive strength ...

Measuring the in-situ compressive strength of concrete in final structures is an essential but challenging process. Coring combined with non-destructive rebound hammer measurements provides the most ...

Contractors need to know how to correctly evaluate the in-place strength of concrete so they can determine to proper time to remove formwork, backfill or open up a pavement to traffic. Concrete must ...

High-strength concrete (HSC) is a type of concrete with high compressive strength compared to normal-strength concrete (NSC). Although there is no exact limit of compressive strength which could ...

A few weeks back, the Air Force detonated out its most powerful bunker-buster yet. But a new Iranian super-strong concrete might make it almost useless before it reaches service. *"I designed a 2”x2” ...

Stress is defined as the force per unit area. Thus, the formula for calculating stress is: Where σ denotes stress, F is load and A is the cross sectional area. The most commonly used units for stress ...

Ultra-high-performance concrete (UHPC) is rapidly emerging as a premier material for precast concrete construction. First introduced as “reactive powder concrete” in the early 1990s, this material has ...