New research on ancient concrete

April 30, 2008

Rebecca Wasieleski

The Boston Globe recently ran an article about research suggesting the pyramids in Egypt included blocks cast from the world's first concrete. It's interesting research, since no one knows for sure how the pyramids were built. Portland cement wasn't invented until the 1800s, but cement as aÂ building material had a long history before that time.

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The Top 25 Pavement Maintenance & Reconstruction Products 2024

After a few years hiatus, the Top 25 Pavement Maintenance Products is back and will be better than ever!

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Deere, Purdy Search for Chief Tractor Officer

To apply, candidates must submit a short-form video with their pitch for the position, showing the creativity, humor, and passion they’d bring to the job.

White Cap has also acquired Crimson Steel Supply, LLC (Crimson Steel), a distributor and fabricator of engineered steel rebar and structural steel products serving non-residential and infrastructure end markets.

White Cap Expands Reach in Oklahoma, Oregon

White Cap has acquired Bend Construction - a supplier of struts, fasteners, anchors, and concrete accessories and products - and Crimson Steel - a distributor and fabricator of engineered steel rebar and structural steel products.

StarCrete Space Concrete Could Be Made With Potatoes

Martian Masonry: Space Concrete Could Be Made With Potatoes?

Scientists develop a new concrete that could create an extraterrestrial concrete - and it's based on potatoes. Someone call Matt Damon.

Concrete Safety

Safety Is A Concrete Idea

With the month of May home to Building Safety Month and Construction Safety Week, as editor for Concrete Contractor, I was lucky enough to have spoken with some great people that also put safety top of mind.

Announcing Concrete Contractor's 2023 Top Products

Watch this video announcement of the Concrete Contractor 2023 Top Products award - recognizing the products, tools, and equipment within the concrete construction, decorative concrete, concrete finishing industries (and everything between).

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Welcome Home from World of Concrete

Despite doing as much as we could—we weren't able to see EVERYTHING from World of Concrete 2023. What was the one thing that stood out for you?

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You Can Have Two ... But Not All Three

While attending the ACI 2022 Fall Convention, I was introduced to an interesting construction meme based on some commentary of construction projects. Humorous as it was, I think there's a hidden factor encircling the entire concept.

Concrete Contractor January/February 2023 Editor's Letter

15 Years of Tradeshows: A Couple of Simple Notes

I've been attending tradeshows (from mind-meltingly packed to the more easy-goingly small) for 15+ years so I've collected a couple of thoughts on attending.

Hot Mixing and Lime Key to Roman Concrete Durability

Researchers Crack the Recipe of Roman Concrete Mix

Where once pozzolanic material like volcanic ash was the key, turns out the secret to the durability of Roman concrete was quicklime and hot mixing.

Schrodinger’s Covid

Schrodinger’s Covid

In an attempt to attend a concrete convention, I was reminded of the threat of COVID up-front and personally. This is the new world.

Concrete Contractor July/August/September 2022 Editor's Log

One Thing At A Time

Despite the challenges; one problem at a time, one solution at a time.

A Few Random Concrete Happenings

In Case You Missed It: 7 Random Concrete Happenings

In the interest of spring cleaning, I'd like to share a short collection of some noteworthy happenings of the concrete industry I had collected over the past few months.

A Large Industry with a Small Town Mindset

Welcome to 2022

Ask vs. Need

How do you handle a homeowner that doesn’t know how to get what they want?

Concrete Competition Show - Concrete Combat

I Got Paid to Watch a Reality Show About Concrete

Sakrete launched the online competition series "Concrete Combat." So, I watched it. Who will cement their name in history and who will crack under the pressure? Spoiler free.

What Will The Next 10 Years Look Like?

I Think Some Recognition is in Order

Diamond Ground Concrete_Phoenix_5_courtesy Randy Everett

A Good Story is Not One to Waste - The Top 5 Concrete Stories of April 2021

The most popular stories concrete contractors found on ForConstructionPros.com/concrete from April 2021.

Conterra Restoration and a suite of Aquajet Hydrodemolition equipment provided an eco-friendly solution during a multi-year, multi-million dollar parking garage renovation in Toronto’s East End.

A Good Story is Not One to Waste - The Top 5 Concrete Stories of March 2021

The most popular stories concrete contractors found on ForConstructionPros.com/concrete from March 2021.

Three Things to Expect at WOC 2021

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Is it Polite Behavior, or Just Good Business?

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The Top Concrete Stories of February 2021

The most popular stories concrete contractors found on ForConstructionPros.com/concrete from February 2021.

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The Top Concrete Stories of January 2021

The most popular stories concrete contractors found on ForConstructionPros.com/concrete from January 2021.

The Concrete Contractor Editorial Advisory Board

Members of the Concrete Contractor Editorial Advisory Board

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The Top Concrete Stories of December 2020

The most popular stories concrete contractors found on ForConstructionPros.com/concrete from December 2020.