Hydrated cement is not new cement, it becomes more like aggrigate with less strength, and is over hydrated. The reason concrete is poured at the correct slump is to assure the hydration rate is optimal for complete cure, but no more. Over hydrated sloppy concrete is weak, and must be torn out. Ask the people that are forced out of their buildings in Florida, or many projects in developing nations that fall down during, or years after construction. it is lso porous to water beyond correct slump concrete and will freeze into dust in freeze thaw cycles. Jim
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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