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Old 02-23-2009, 02:18 PM   #31
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How To Keep Your Concrete Mixer Driver Happy


Quote:
Originally Posted by yesitsconcrete View Post
while there're many reasons conc crks, wtr isn't the leading cause of any i've ever seen,,, while a ' thicken'd edge ' is an accept'd method of placing slabs/aprons/etc, it doesn't add any strength to tension rqmts,,, look to an incorrect jnt pattern OR jnts placed at the wrong time, instead.

wtr can exacerbate other causes, of course, but alone isn't the cause,,, many think placing's conc's not difficult but, altho it doesn't look like it to many, it is a specialty trade,,, just my $.03 ! ! !
Actually, I only said that water is "usually" the cause of concrete cracking. I didn't say it was the only cause. As for making the edges thicker, I didn't say that it adds strength to the concrete, it only helps to prevent water from getting under the slab and rising (and thereby possibly cracking the concrete) when it freezes.

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Old 02-23-2009, 03:43 PM   #32
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How To Keep Your Concrete Mixer Driver Happy


billy, didn't mean to pee in your wheaties but i disagree completely,,, excess water'll reduce the compressive, flexural, AND tensile strength of conc,,, under the slab, it can cause base to ' pump ' thereby promoting random cracking,,, imn-s-hfo, tho, the LEADING cause's still incorrect an jnt pattern OR jnts installed incorrectly,,, a thicken'd edge won't satisfy my ' keep your base dry ' wish's, either... water still seeks its own level - gravity OR hydraulics.

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Old 03-08-2009, 09:30 PM   #33
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You may be right, but I can only speak from experience. My entire 12' X 40' patio is made from extremely wet left-over concrete. I took no extraordinary measures to make sure it didn't crack except for making the edges deeper than the rest of the slab. And I've had no cracks except for one that occurred when we had a severe earth tremor many years ago.
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Old 02-27-2012, 11:08 PM   #34
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How To Keep Your Concrete Mixer Driver Happy


Mort. i am very interesting in the front discharge truck, which is widely used in America. Many china companies also produce front discharge type.but price is really expensive. about $200,000. and how much is it in U.S ? here is the front discharge mixer truck in china .











is there any big different from the mixer truck made in U.S ? and how much is the truck in U.S ?
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Old 04-25-2012, 06:11 PM   #35
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How To Keep Your Concrete Mixer Driver Happy


change0070 - I'm not up on the pricing on various mixers, but $200,000 sounds about right for a front discharge. There are two main companies producing them in the U.S., OshKosh and Terex, which sells them under the Advance name. You can get them with a lot of different options, 3-7 axles, hydraulic chute extensions, water tanks, engines, you name it. As far as I know, they aren't available with manual transmissions anymore, which is just fine by me.

The one you have pictured looks similar to some of those made in the U.S. The one I run is a 7-axle, steer, two sets of duals, 3 sets of belly axles (two in front and one behind the drivers), and a Load Span Tag Axle behind the engine.
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Old 05-16-2012, 09:53 PM   #36
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One other thing, in the sue-happy USA, they wouldn't even think about producing a truck without the safety railing going all the way around the catwalk.
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Old 08-05-2012, 11:43 AM   #37
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I don't suppose a moderator could allow me to edit my first post so I can fix some broken picture links, and maybe add some things? Apparently, after a few years, you can't click a button on the bottom of the post anymore.
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Old 02-12-2014, 07:13 PM   #38
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I have drove for over 30 years and the story remains the same. Granted many things have changed over the years, but the safety part can totally agree.
You say you have been only driving for a couple of years, well it sounds as if you will be a good driver.
People think that it is just an easy job, I guess it is if you have been doing it for a while, There is a whole lot of responsibility just driving to the job no to mention once you get on the job always watching, pouring it out in the grade not put down to much,or to little, looking out for the workers,cars, people in general.
Hope you are getting paid well for the job you are doing??????

O yea and that comment you made on the last 2" to go, now I can see why you would have said that. It would be nuts to top the wall with just 2" to go you are showing your drivers smart alikeness. Got to love it.
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Old 02-12-2014, 07:25 PM   #39
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Dusty, I wrote the original post in 2009, I got about 7 years of mixer driving before I gave it up (long story). I loved doing it, though. I suppose its like anything else, it gets easier after you do it for a certain amount of time. We got paid pretty well for a Class B job, I wish I made as much doing what I'm doing now (again, long story).

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