However, concrete is not maintenance-free. Moisture is one of the major concrete system enemies. Water, the lifeblood of concrete is its best friend and worst enemy. Moisture sources and presence ...

I cut the cylinder in half and cut pieces of heavy ... otherwise, the surrounding concrete will suck moisture out of the mix. And be sure you’re ready to go before you mix the cement — it ...

While low-strength concrete does occasionally occur, many times reported cylinder strengths are evaluated ... Closer control of water content (e.g., moisture content of aggregates) Closer control ...

How to place concrete in cold weather The fundamental thing to know about placing concrete in cold weather is that, concrete must not freeze before it hardens. Although it is easy to keep concrete ...