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Published on 1/27/2018

Published by marketing@concretebroker.com.au

Concrete mixers and trucks have been around for a while

But don't forget about the concrete mixer and truck driver's, they're not all bad


Concrete Mixers


According to Wikipedia Stephen Stepanian (February 28, 1882 – October 1964) (Armenian: Ստիվեն Ստեփանեան) was an Armenian American inventor and owner of numerous patents including the Elevator and Conveyor, Compound Tool, and the Wrench. He is also accredited as the inventor of a self-discharging motorized transit mixer that was the predecessor of the concrete mixer truck.[1][2][3] Stepanian is often called the "father of the ready-mix concrete industry."[4]


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en.wikipedia.org  Stephen invented a self-discharging motorized transit mixer that was the predecessor of the concrete mixer truck and applied for a patent in 1916. However, the patent was rejected in April 1917 by the patent office because it was believed that a truck could not support the weight of a concrete mixer on top of it.



concrete mixer (often mistakenly called a cement mixer) is a device that homogeneously combines cementaggregate such as sand or gravel, and water to form concrete. A typical concrete mixer uses a revolving drum to mix the components. For smaller volume works portable concrete mixers are often used so that the concrete can be made at the construction site, giving the workers ample time to use the concrete before it hardens


Concrete Trucks


Concrete mixers are traditionally installed on the back of a heavy rigid truck and over time have carried small mixers up to the large 10 and 12 cube mixing barrels we see on our streets and construction sites today.






Concrete Truck Drivers 


Concrete trucks are driven by mixer or agi drivers as they are referrred to, depending on where in the world   they are located. Concrete truck driving is an acquired skill wherein the driver, or operated as they are sometimes known have to have an understanding of the slump of the concrete they are delivering (i.e, the concrete's flowability or wetness). If the concrete is too wet it may take a long time too harden and ultimately crack If it too dry it may be difficult to work on site and therefore be hard for concreter's to place.

Either way concrete truck driving is not an easy task and often mixer drivers bear the brunt oif several jokes, many swear words and lots of ridicule on and around construction sites. That said, when a concrete plant has an efficient and professional mixer driver on their payroll everyone on the building site is keen to ask for them again. Good concrete truck drivers save time, money and headaches on site.

Take some time out to thank your mixer driver next time you are on a job site. And remember, chances are if they are late it isn't always their fault. Not only does traffic slow them down, so to does the concrete plant, who is more often than not trying to deliver to three (3) sites at once.








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Tags: agitator agitator driver concrete history concrete slump concrete trucks concreter mixer mixer driver truck drivers

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