engineering

Volumetric concrete mixer

Volumetric concrete mixer is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Volumetric concrete mixer rather than just read about it. In short: A volumetric concrete mixer (also known as volumetric mobile mixer) is a concrete mixer mounted on a truck or trailer that contains separate compartments for sand, stone, cement and water. On arrival at the job site, the machine mixes the materials to produce the exact amount of concrete needed.

Key takeaways

Volumetric concrete mixer belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Volumetric concrete mixer to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Volumetric concrete mixer from memory before moving on to harder problems.

Reference excerpt

A volumetric concrete mixer (also known as volumetric mobile mixer) is a concrete mixer mounted on a truck or trailer that contains separate compartments for sand, stone, cement and water. On arrival at the job site, the machine mixes the materials to produce the exact amount of concrete needed.

How It Works Volumetric mixers batch, measure, mix and dispense all from one unit. Volumetric concrete mixers can produce exactly the amount of concrete needed when it is needed at any time. Some concrete suppliers offer general purpose concrete batched in a volumetric mixer as a practical alternative to ready-mix if quantities and schedules are not fully known, to eliminate waste and prevent premature stiffening of the mix. The volumetric mixer varies in capacity size up to 12 m3 and has a production rate of around 60m3 an hour depending on the mix design. Many volumetric concrete mixer manufacturers have innovated the mixer in capacity and design, as well as added features including color, multiple admixes, fiber systems, and the ability to do gunite or shotcrete. The advantages of a volumetric mixer include:

Reduces waste and associated costs by providing exact quantities. No risk of premature stiffening of concrete if delays are encountered. Permits delivery of smaller quantities of concrete. Night time works do not require the re-opening of a concrete batch plant. Flexibility to alternate between multiple concrete mixes as required for the application. Ability to do continuous concrete pours

Sustainability

Less waste - exact amount of concrete is poured Less water - volumetric concrete mixers use on average 8-10 gallons of water to clean out versus 200 gallons for a traditional barrel truck Less emissions - the truck does not need to idle while waiting to pour concrete

History In the mid-1960s, companies such as Cemen Tech, Reimer Mixers (manufactured under the name ProAll circa 2016), and Zimmerman began building their own versions of volumetric concrete mixers. In 1999, equipment manufacturers created a trade association, Volumetric Mixer Manufacturers Bureau (VMMB). It had six charter members: Cemen Tech, Inc., Zimmerman Ind, Inc., ProAll Reimer, Bay-Lynx, Custom-Crete, and Elkin. Currently its members include (in alphabetical order): Bay-Lynx, Cemen Tech, Holcombe Mixers, ProAll Reimer Mixers, and Zimmerman Ind, Inc.

References

External links National Ready Mixed Concrete Association Bureaus

Illustrations

Worked examples

Example 1 — a first encounter with Volumetric concrete mixer

Start with the simplest possible case. Write down what Volumetric concrete mixer claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Volumetric concrete mixer before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Volumetric concrete mixer ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Volumetric concrete mixer

In research: Volumetric concrete mixer appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Volumetric concrete mixer in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Volumetric concrete mixer is common in secondary-school and first-year university syllabi. It links to neighbouring topics Engineering vehicles, so understanding it makes those chapters shorter.
In everyday life: Look for Volumetric concrete mixer outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Volumetric concrete mixer in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Volumetric concrete mixer means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Volumetric concrete mixer out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Volumetric concrete mixer in simple terms?

Why does Volumetric concrete mixer matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Volumetric concrete mixer?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Volumetric concrete mixer.