Concrete | Elementary STEM Club

Concrete is a composite material made from a mixture of cement, water, aggregates (such as sand or gravel), and admixtures (chemical additives). When cement comes into contact with water, it undergoes a chemical reaction …

A Step-by-Step Guide to Concrete Mix Design | Giatec

This provides a volume ratio of coarse aggregate to concrete based on the size of the coarse aggregates and the fineness moduli of the fine aggregates. This value can be …

Frequently Asked Questions

Question: The effect of maximum size of aggregate on concrete strength. Question: Consistency, plastic consistency, and workability. Question: What correction should be made for absorbed …

Concrete Secrets of Light Weight Concrete – Concrete Concrete

Mr. Concrete Concrete will teach you to be the very best concrete artist you can be, quit your day job or just take up this relaxing hobby and make objects for your home and for your friends! …

How to Expose Aggregate in Concrete

Today, most contractors expose aggregate by spraying a chemical surface retarder onto the slab surface after placing and finishing. Other methods include brushing and washing or abrasive blasting.

Aggregate in Concrete

Aggregates comprise as much as 60% to 80% of a typical concrete mix, so they must be properly selected to be durable, blended for optimum efficiency, and properly controlled to produce consistent concrete strength, workability, …

Concrete Knowledge Comes to YouTube

"I want to make concrete faster, better, cheaper, more durable, more sustainable, easier to design with, easier to build with, easier to do everything with!" To accomplish this big goal, Dr. Tyler Ley, P.E., has created …

How to Pour Exposed Aggregate Concrete