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News (35)


Eco-Friendly Concrete Comes to Light

A production process that has gone largely unchanged over the last 200 years might now be getting a green facelift courtesy of a spinoff from Rutgers University.


Cement Research Finds Strength in Defects

Researchers at Rice University are zeroing in on a mineral used by the ancient Romans in cement in order to understand how modern cement can be made stronger and more resistant to cracking.


Research: Cement Sponges Up Substantial CO2

New research from an international team suggests that, while cement production is a major generator of carbon dioxide gas, concrete and other cement-based materials also absorb a considerabl...


Cemex Sheds Concrete Pipe Arm for $500M

Mexican multinational building materials company Cemex S.A.B. de C.V. announced an approved sales agreement between one of its United States subsidiaries and what is said to be the largest m...


Team Evaluates Early-Age Bridge Deck Cracks

Pennsylvania is reportedly home to more than 22,000 bridges, many of which are aging and in need of repair. Through a collaboration between Penn State University and the Pennsylvania Departm...


Additives Made for Cement Production

Cement makers in North America now have access to the C-ADD line of additives from global coatings and adhesives manufacturer MAPEI.


Follow the Glowing Road

Could roadways of the future illuminate themselves? If research proceeds the way scientists at a Mexico university plan, glow-in-the-dark cement could light the way without the need for elec...


Swiss Launch Record-Breaking Tunnel

The world’s longest, deepest tunnel opened last week in Switzerland with much fanfare celebrating completion of the mega project’s 17-year construction timeline.


MIT Research Looks to Redesign Concrete

Biomaterials are the inspiration for a new recipe for cement paste that researchers at MIT have developed, and the result could be a more sustainable and durable kind of concrete, and struct...


Deepwater Disaster Spurs Offshore Rules

Federal officials have announced the release of new well control regulations intended to reduce the risk of death, serious injury or substantial harm to the environment as the result of an o...


OSHA: $105K for Fatal Bridge Accident

Federal authorities are citing the main contractor on a northwest Wisconsin bridge rehabilitation and resurfacing project after an 18-year-old apprentice died from injuries after being struc...


Team Tests Self-Consolidating Concrete

Researchers at Missouri University of Science and Technology are working to improve on the current challenges self-consolidating concrete poses in a range of construction projects.


‘Cement Ship’ Cracks Under Pressure

Residents of Aptos, CA, are becoming increasingly concerned about the state of their beloved cement ship sitting off the shore of Seacliff State Beach.


Turning Waste into Eco-friendly Concrete

Seeking to develop a cheaper, more environmentally friendly form of concrete, a team of


Water Toxins to Cost Cement Plant $7.5M

SAN FRANCISCO—A California cement maker will spend more than $7.5 million to settle allegations that it routinely dumped toxic substances into a tributary of the San Francisco Bay.


Tackling Concrete Solutions for Bridges

Saddled with the most structurally deficient bridges in the U.S., engineers in Pennsylvania are crafting both new materials and new maintenance plans to save those and other aging concrete s...


Cement Touts Wet-Weather Adhesion

A new cement repair compound for underwater and all-weather use is the latest offering from roof coating supplier RM Lucas Co.


In PA, Search Effort Ends Sadly

They promised to "bring Tony out." And after 100 hours of digging through thousands of tons of cement powder in freezing temperatures, they did so.


Finding the Key to an Immortal Mortar

For 2,000 years, builders have sought the secret to the structural strength of The Colosseum, The Pantheon and other ancient treasures.


Floating Silos Fall, Halt Concrete Work

Concrete work has been suspended on New York's Tappan Zee Bridge after the collapse of three silos on a floating concrete batch plant.


Cement Pinch Felt Throughout Midwest

Frozen lakes, increased oil demand and plant breakdowns are three of the reasons contractors throughout the Midwest say they are experiencing a cement shortage.


A Plant to Capture, Clean and Convert

Tomorrow's baking soda may be coming in part from the emissions of an industrial plant near you.


Team Finds Cement’s ‘Magical’ Mix

Tweaking just one of the materials in cement could go a long way toward reducing the environmental wallop packed by concrete, scientists at MIT have discovered.


Densifier Fills, Hardens in 1 Step

In2Crete has updated its Ecoguard pore filler, offering a green approach to filling and hardening surface depressions and hairline cracks in one step.


Construction Materials Giants Merge

Martin Marietta Materials has become the largest U.S. producer of aggregates and heavy building materials, with the completion of its $2.7 billion takeover of Texas Industries, the companies...


Grappling with Growth by the Gigaton

China has used more cement in the last three years than the United States used in the entire 20th century.


1 Killed, 2 Hurt in Tanker Cleaning

One worker perished and two were injured over the weekend when they were apparently overcome by vapors while cleaning the inside of a tanker.


OSHA Fines TX Cement Company $286K

A Texas cement mixer manufacturer faces $286,200 in proposed fines for nearly three dozen alleged safety and health violations, federal regulators said.


How Sweet It Is: Cement from Sugar

A stronger, more durable new cement from Denmark holds a sweet secret.


Halliburton Admits Destroying Evidence

Halliburton Energy Services Inc. will become the third corporation to plead guilty to criminal misconduct in the 2010 Deepwater Horizon disaster that killed 11 offshore workers and un...


Seeding a Stronger Concrete

So what do you with 661,386,840 pounds of sunflower seed husks each year?


Cement Maker’s Pollution Tab: $32.5M

One of the largest cement companies in the United States will spend tens of millions of dollars in fines and new technology to resolve allegations of federal pollution violations, under a ne...


And Now, Amber Waves of ... Concrete?

Here's food for thought: Those good-for-you grains that now stoke your morning cereal may soon also fortify your local dam, highway and bridge.


Plant Changes to Cost CEMEX $3M+

The largest U.S. producer of cement and ready-mix concrete will pay more than $3 million to settle long-running federal allegations that it illegally modified a cement plant near Rocky Mount...


New Concrete May Extend Bridge Life

A new concrete material that uses lightweight aggregates to absorb internal moisture that inevitably seeps in over time is fast finding a home in the decks of Indiana's newest bridges.


 
 
   

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