Does the use of fly-ash helps in civil works?
Fly ash can be used as a substitute for cement upto some extent thereby reducing the cost of concrete. Fly ash is much reasonable than cement and it also helps in making concrete more durable. Which brick is stronger among these concrete block, concrete brick or fly ash brick? Concrete blocks typically have holes that make them easier to handle. They’re very strong in the vertical direction, i.e., in line with the axis of the holes. They’re also used for foundation walls. Fly ash brick is light weighted; however it still has good strength in compression. It is not used for walls that are subjected to the greatest loads, like foundation walls or interior load-bearing walls. It is appropriate for light-duty applications. Concrete bricks are solid concrete. They’ve huge compressive and impact strength. But they’re much more expensive to work with, as it takes many more of them to build a wall than when using concrete blocks. ...