Concrete Pumping with Truck-Mounted Concrete Pumps

In our last post, we showed a video depicting a very creative construction crew moving cement from the mixing site, up one floor, to the installation site. But what if you need to move the cement even higher and, more importantly, safely and consistently?

The video below, titled “Concrete Pumping–The Future of Concrete Construction”, posted by the American Concrete Pumping Association (ACPA), demonstrates the economic, environmental, safety, and productivity benefits of concrete pumps.

The projects shown in the video employ truck-mounted concrete pumps with placing booms and stationary pumps. The video details the many uses of concrete pumps. Environmental benefits are also illustrated with footage of concrete pumping near rivers and streams, where precision placement and enclosed pipelines protect the surrounding area.

Creative & Unusual Cement Delivery Technique

We’re not sure what country is home to this construction project but know for a fact that it’s not the U.S.A. – OSHA would shut down this operation in a heartbeat.

OSHA notwithstanding, this construction crew shows amazing skill and creativity… No concrete pump truck? No problem for this construction team; using skill, strength, and coordination, they quickly and efficiently move cement from the mixing site to the application site.

Comparing Concrete vs. Asphalt

What are the advantages of concrete vs. asphalt? How do the initial installation and ongoing maintenance costs differ? Is asphalt or concrete the best choice for my project? You have questions… We have answers!

First, before examining the differences, let’s look at the similarities. Concrete and asphalt both require compacted bases of gravel before they are applied. Both take time to ‘cure’ before they can be driven on but, whereas concrete can take up to 21 days to come to 95% strength, asphalt only takes a few hours.

Interestingly, although they look very different, both are made from the same general material; i.e. stone and sand. The difference in their appearance is due to the adhesive used for bonding; in asphalt it is tar and in concrete its cement. That difference is what not only gives asphalt and concrete their unique characteristics but also affects the difference in cost, durability and maintenance.

When making the decision to choose either asphalt or concrete for your project, there are a number of factors to consider:

  1. Aesthetics
    • Concrete, allows for a variety of finishes, which can also be stained or tinted to a wide variety of colors and patterns. In addition, concrete can be stamped into different designs, etched, or engraved. Asphalt, on the other hand, due to how it is applied (i.e. rolled and compressed), has very little in the way of unique finishes. But, although black asphalt is pretty much the standard, there are tints that can be added either during mixing or to the sealant. In addition, there are also a few patterns that can be rolled to create a design in asphalt.
  2. Climate
    • Cold, freezing winters can cause a number of issues with concrete, such as cracking and frost heaving. And the associated use of salts for ice control can damage the appearance of concrete.* At the other end of the spectrum, the tar in asphalt can become soft during hot summers, becoming tacky and possibly even deforming. Climate is a very important factor when deciding to use either asphalt or concrete and one that should be discussed with a reputable, knowledgeable contractor.
      *Learn how salts used for ice control can cause significant damage to porous concrete.
  3. Maintenance
    • A properly installed asphalt project, depending on the sub base installation and type usage, is usually only good for 20 years or less and must be maintained over that lifespan; i.e. it must be sealed every 3-5 years.
    • It is not necessary to seal concrete but doing so can preserve the look and finish, and help guard against oil-based stains.
  4. Cost
    • Asphalt pricing is subject to variations in the price of crude oil but will generally fall into a range between $2.50 & $4.00 per square foot. By comparison, a basic concrete installation is in the range of $4 to $6 per square foot. However, concrete, with a longer life expectancy and less required maintenance, is usually the more economical choice.
      The thickness of each material also impacts the price; e.g. an asphalt overlay can be as thin as 2″ or, as in the case of a truck driveway, as thick as 8″, and concrete can be as thin as 4″ or, for installations such as truck pads, as thick as 8″.

In addition to the above, other important factors, specific to each unique project, must be considered before making an informed decision; e.g. the specific use of the surface, the condition of the subbase, area restrictions, regulations, etc. And, once the asphalt-or-concrete decision is made, there’s another round of comparative details to consider, as there are many types of asphalt mixes that are appropriate depending on the situation, and there are a variety concrete types and strengths, from a slurry mix used as a fill mix, to a high early mix that is appropriate for situations such as a highway bridge repair and can be driven on in a couple of hours.

Need more information or assistance in making the best decision? Contact us to discuss, and receive a quote on, your project.

The fundamentals of concrete

There are many types of concrete, coupled with a range of compositions, finishes and performance characteristics, designed to suit a variety of purposes. At C.R.I., we take into account many factors when determining the correct choice of a concrete mix, such as the need of the project, in terms of strength and appearance, as well as local legislation and building codes. In addition, we look at other integral factors like the weather conditions that the concrete will be exposed to in service.

Historically, concrete has been used since ancient times. Roman concrete was made from volcanic ash and hydrated lime. It was superior to other concrete recipes of the time, which consisted of only sand and lime. In addition, the Romans also invented hydraulic concrete, which they made from volcanic ash and clay.

Modern concrete comes in many varieties, such as high-strength, high-performance, ultra-high-performance, etc. Each type of concrete has specific characteristics meant for specific applications. CRI can tackle concrete repair jobs of any size; we are experts in determining the correct type of concrete for your project and will ensure that our concrete mix performs, endures, and looks great.

For more information on our concrete installation and removal services, please call us at 908.782.3910.

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