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why do cement trucks rotate

Apr 19, 2013 · Answers. There is a counter on the truck to keep track, and the delivery ticket indicates the time that the drum was charged with the cement, aggregates, water and any admixtures. For a dry air placed concrete placing method where the ingredients are mixed in the nozzle, beyond 3/4 inch aggregate size, there is some risk of injury to...

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  • In cement mixer trucks why does the mixer drum keep

    In cement mixer trucks why does the mixer drum keep

    Mar 25, 2015 · Related Questions More Answers Below. In the cement mixer truck ,the mixer drum will always keep rotating during transport to ensure that the concrete carried does not freeze. At the same time, the rotating can make the sand, stone, and cement in the concrete more uniform. If the concrete mixer truck does not rotate,...

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  • Why do cement trucks turn?

    Why do cement trucks turn?

    Sometimes though, cement is mixed at a cement plant (where cement is made) and then delivered in a dump truck, but that only works if the construction site is nearby the cement plant. If the cement sits in the dump truck too long, it will harden, and then it will be …

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  • Will cement harden in the cement truck if it is not

    Will cement harden in the cement truck if it is not

    Will cement harden in the cement truck if it is not rotating? Actually, the rotation is mainly to keep the concrete well mixed and homogeneous during transport, thereby insuring the sand, gravel ...

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  • Cement Truck Rotate the Drum  Make Noise  YouTube

    Cement Truck Rotate the Drum Make Noise YouTube

    Jun 24, 2014 · Cement Truck Rotate the Drum & Make Noise Jun Lim. Loading... Unsubscribe from Jun Lim? ... Concrete Mixer Truck With Remote Controlled Conveyor Belt - Duration: 6:28.

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  • Concretes Toll on the Mixer | HowStuffWorks

    Concretes Toll on the Mixer | HowStuffWorks

    For a truck to haul that weight, it has to be powerful. And to get that load over the rough terrain of a construction site, the truck has to be tough. The trucks come in three separate parts -- engine, frame and mixer. Most truck companies provide the engine and frame, with amenities ranging from sleeper cab to computer navigation.

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  • How Cement Mixers Work | HowStuffWorks

    How Cement Mixers Work | HowStuffWorks

    How Cement Mixers Work. Cranes move things up and down. Dump trucks load up, move out and unload. Bulldozers push and graders grade. The one exception to this is the humble cement mixer, beloved by children, hated by in-a-hurry drivers, and misunderstood by most people outside the cab of the 30,000-pound (13,608-kilogram) behemoths.

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  • Why does the drum of ready mix concrete truck turn?

    Why does the drum of ready mix concrete truck turn?

    Why does the drum of ready mix concrete truck turn? ... pull wheel off and then look for a slot in the brake drum on the front of it and rotate drum until you see the gear through the hole in the ...

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  • Troubleshooting Problems with Your Concrete Mixer

    Troubleshooting Problems with Your Concrete Mixer

    With a powered concrete mixer, concrete mix, sand, and water are poured into a rotating tub with mixing bladders inside. The rotating action of the tub and the blades inside provide the mixing action needed for proper mixing of the concrete. Typically, there are only going to be two causes for a tub that won’t rotate.

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  • Why do the back of cement trucks spin? | Yahoo Answers

    Why do the back of cement trucks spin? | Yahoo Answers

    Mar 21, 2017 · Answers. They spin because they are constantly mixing the ingredients to keep them consistent and so they dont start to harden up, which would render it useless. Liquiied concrete can be poured or pumped into locations to form just about any shape you need, and is much easier to work with than pre-cast slabs (e.g.,...

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  • Concrete Mixer Truck Capacity  Various Models With

    Concrete Mixer Truck Capacity Various Models With

    Distance: If you plan to buy a concrete mixer truck for sale, and you sen inquiry to the concrete truck supplier, generally the salesman will ask you the distance from concrete production site to construction site. Because, during the concrete transportation on the road, the mixer tank needs to keep rotation constantly to prevent the solidation.

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  • Bigass cement truck axles... what are these?  Pirate4x4

    Bigass cement truck axles... what are these? Pirate4x4

    Jun 01, 2011 · The front loader concrete trucks used to have a huge center chunk up front, and they recently switched over to the high clearance housings. The trucks weigh over 88,000lbs. loaded, so I would imagine the axles can take a beating. I believe the trucks run 54" Michelins.

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  • Cement Truck Questions [Archive]  Straight Dope Message Board

    Cement Truck Questions [Archive] Straight Dope Message Board

    Cement mixers as well as cement trucks inevitably get a buildup of hardened cement or concrete. Somehow you just cant get it all out by spraying with water. The gravel tumbling around acts like , well, super sandpaper or maybe small little hammers and chisels, and dislodges many odd bits of stuck hardened cement.

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  • Storage and Handling of Cement and Aggregates  The Screed

    Storage and Handling of Cement and Aggregates The Screed

    Handle cement bags carefully. While handling the cement bags: Make sure the cement bags are not dropped. This can weaken and damage the packaging. Roll the cement bags over before lifting. This helps to loosen up the cement, and reduces the chances of the bag from splitting. When carrying individual cement bags,...

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  • Molded Concrete Planters  Radmegan

    Molded Concrete Planters Radmegan

    Molded Concrete Planters. ... I worked quickly, thinking about how cement trucks rotate to keep the gray sludge from hardening. I poured the wet concrete into my orange juice container and filled it about half way. The amount you pour in, will depend on how large your inner container is. My inner plastic container was so large, that it left ...

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  • Cement  Concrete Basics FAQs

    Cement Concrete Basics FAQs

    Why do concrete surfaces flake and spall? Concrete surfaces can flake or spall for one or more of the following reasons: In areas of the country that are subjected to freezing and thawing the concrete should be air-entrained to resist flaking and scaling of the surface.

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  • Concrete mixer  Wikipedia

    Concrete mixer Wikipedia

    Concrete mixers generally do not travel far from their plant, as the concrete begins to set as soon as it is in the truck. Many contractors require that the concrete be in place within 90 minutes after loading. If the truck breaks down or for some other reason the concrete hardens in the truck, workers may need to enter the barrel with jackhammers.

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  • OT old iron...Cement Mixer

    OT old iron...Cement Mixer

    Sep 23, 2008 · OT old iron...Cement Mixer! This reduction through the gear train is why you dont need a huge amounts of HP. Play with the pulley sizes, using a jack shaft may be cheaper than buying large pulleys and sometimes belts slipping on small pulleys is an issue. For some reason 5 hp for gas motors seems to stick in my mind,...

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  • How to Mix Concrete With a Power Mixer  YouTube

    How to Mix Concrete With a Power Mixer YouTube

    Dec 18, 2008 · Mix concrete with a power mixer by pouring the concrete into the mixer, adding a little water, turning the mixer on and then continuously adding water until the right consistency is reached.

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  • Why do so many people hate Elon Musk and wish to see him

    Why do so many people hate Elon Musk and wish to see him

    Do all cement trucks rotate their cement tank in the same direction? 138 · 27 comments . If I make a cake and calculate the calories of all the ingredients, will it be the same altogether after it cooks? 84 · 6 comments . Where does the white go, when I apply white lotion?

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  • What Causes Cement Balls?| Concrete Construction Magazine

    What Causes Cement Balls?| Concrete Construction Magazine

    Most respondents suggested that the cause had to do with the batching sequence. They recommend that you turn your attention to the timing of the discharge of ingredients into the mixer. The key to eliminating cement balling is keeping the cement from contacting the mix water directly in the drum. Cement has a high affinity for water.

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  • What Causes Cement Balls?| Concrete Construction Magazine

    What Causes Cement Balls?| Concrete Construction Magazine

    From your description, the cement balling and concrete discoloration don’t appear to be the result of a mechanical or driver problem. Most respondents suggested that the cause had to do with the batching sequence. They recommend that you turn your attention to …

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  • SOLVED: Why does my timer electric cement mixer need to

    SOLVED: Why does my timer electric cement mixer need to

    May 15, 2019 · Why are the mixer barrells on cement trucks always turning? ... Turn off the power to the dryer, reach inside the drum and try to rotate the drum 1/4-1/2 turn. Then turn your power back on and push the start button. ... why do the orange buttons bottom front of gas fired 80k twin come on occasionly and glow. Jul 24, 2019 | Dryers.

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  • Bigass cement truck axles... what are these?  Pirate4x4

    Bigass cement truck axles... what are these? Pirate4x4

    Jun 01, 2011 · The front loader concrete trucks used to have a huge center chunk up front, and they recently switched over to the high clearance housings. The trucks weigh over 88,000lbs. loaded, so I would imagine the axles can take a beating.

    More Details
  • Cement  Concrete Basics FAQs

    Cement Concrete Basics FAQs

    Why do concrete surfaces flake and spall? Concrete surfaces can flake or spall for one or more of the following reasons: In areas of the country that are subjected to freezing and thawing the concrete should be air-entrained to resist flaking and scaling of the surface.

    More Details
  • Storage and Handling of Cement and Aggregates  The Screed

    Storage and Handling of Cement and Aggregates The Screed

    Handle cement bags carefully. While handling the cement bags: Make sure the cement bags are not dropped. This can weaken and damage the packaging. Roll the cement bags over before lifting. This helps to loosen up the cement, and reduces the chances of the bag from splitting. When carrying individual cement bags,...

    More Details
  • Manufacturing  the cement kiln  Understanding Cement

    Manufacturing the cement kiln Understanding Cement

    Manufacturing - the cement kiln. Most Portland cement is made in a rotary kiln. Basically, this is a long cylinder rotating about its axis once every minute or two. The axis is inclined at a slight angle, the end with the burner being lower.

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  • OT old iron...Cement Mixer

    OT old iron...Cement Mixer

    Sep 23, 2008 · A correct rpm would likely be around 30 rpm, enough so that the cement folds into itself and gets what I can only describe as a creamy look to it (i.e. well mixed). To get this most use a large 12 to 16 inch or so pulley on the pinion and a 1 to 2 inch motor pulley. This reduction through the gear train is why you dont need a huge amounts of HP.

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  • Top 16 Mistakes People Make When Installing Concrete

    Top 16 Mistakes People Make When Installing Concrete

    Concrete has liquid properties when it is freshly mixed, but pouring it won’t result in a level, even surface without a little bit of work. Whether the concrete is poured directly into the forms from the ready mix truck or is transported there via wheelbarrow or pump, the concrete should be placed as close to its final resting point as possible.

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  • How to Clean a Cement Mixer  How To Clean

    How to Clean a Cement Mixer How To Clean

    The key is to clean it promptly after each use. Use a hose to fill the mixer with 3-4 gallons of water. Add in a couple shovels full of crushed rock. Turn the mixer on and allow it to spin. The gravel will move with the water and scrape the cement off of the sides. Tilt the machine to clean all the way to the edges.

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