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Old 06-01-2012, 11:20 AM   #31
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Concrete Patio...what type of mix: 4 sack, 5 sack


Nice pictures BTW.
Fly ash sucks and is the first break down of concrete. No highway job for you Fly ash...
concretemasonry you have made some good post in this thread and other ones. I know new guy buys the first round.
Drinks on me.

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Old 06-01-2012, 02:27 PM   #32
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Concrete Patio...what type of mix: 4 sack, 5 sack


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Originally Posted by jomama45 View Post
I's originated from limestone, which is mined from the Earth. Do you think it's purchased at Walmart, or do you actually want to add some substanance to the conversation??? So far, I think you're in in relatively deep and you're about to drown.........
We have a cement quarry right down the street from us,it used to be called "Diamond Portland" back in the 70's it is now owned by Essroc and it sure is mined.
The patio looks great BTW,I have one planned like it but I am going to come off of the house with semi circular steps.
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Old 06-01-2012, 03:19 PM   #33
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Concrete Patio...what type of mix: 4 sack, 5 sack


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We have a cement quarry right down the street from us,it used to be called "Diamond Portland" back in the 70's it is now owned by Essroc and it sure is mined.
The patio looks great BTW,I have one planned like it but I am going to come off of the house with semi circular steps.

And i'd be willing to bet it's a limestone quarry, and not a cement quarry,since that's the major ingredient of cement,which is a manufactured product,and Essroc is a cement producer.
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Old 06-01-2012, 03:20 PM   #34
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Concrete Patio...what type of mix: 4 sack, 5 sack


Ravenworks-

Thr cement is NOT mined. They mine the limestone from a quarry any locate cement production plant right at the quarry to minimize the shipping of limestone, which represents raw vast portion of raw materials and the other materials (gypsum, iron, fly) are share shipped to the plant. In very rare cases the plant cannot be built at the plant site (usually because of zoning, ecology, etc. and some plants ship in limestone by water since it is often cheaper than rail.

The raw materials are ground along with the limestone and fired into a clinker in large rotary kilns that usually operate 24/7, except for scheduled downtime and maintenance.

If cement really existed in the ground, even grinding down (to get it fine) will not help and it would have no real strength.

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Old 06-01-2012, 06:37 PM   #35
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Concrete Patio...what type of mix: 4 sack, 5 sack


We always called it such "Cement Quarry" as kids and I shouldn't have worded it that way,however I do understand the process.
Essroc buys their Gypsum from the power plant on the Ohio river as it is a by-product from the new scrubber system we installed,iron is shipped on rail.
The rest is done on premises.
I set their drum kilns when they replaced them and they are about twice the size of any asphalt plants I've ever seen and weight almost 200 grand with out fligths

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