Tag: Construction Materials: Page 3

Roadbuilding
Adding paraffin oil to concrete can create roads that de-ice themselves
Drexel University researchers have discovered that adding a little paraffin wax to a road’s concrete mix could create roads that deice themselves, EurekAlert! reports. A paper published in Cement and Concrete Composites written by researchers led by Yaghoob Farnam, an assistant professor in Drexel’s College of Engineering, explains how substances like paraffin oil — known [
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September 28, 2017
snow traffic
Business
PCA announces Leadership Award winners
The Portland Cement Association (PCA) announced the 2017 John P. Gleason, Jr., Leadership Awards winners. The awards, which are named for Gleason who served as PCA President from 1986 until his retirement in 2007, honor individuals who exhibit leadership in association activities supporting member company objectives and operations. “Jay embodied the spirit of leadership. He [
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September 6, 2017
PortlandCement
Business
Revenue increases 23% but U.S. Concrete still reports Q2 loss
U.S. Concrete, Inc. reported a net loss of $2.3 million for the second quarter 2017, which is an improvement over the $3.5 million net loss in the second quarter of 2016. Results include recognition of a $15.8 million non-cash derivative related loss resulting from fair value changes in the company’s outstanding warrants and $2.4 million in acquisition-related costs. Loss [
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August 16, 2017
U.S. Concrete
Home
Conco turns to Terex’s TR70 for hauling needs
Conco Companies, which was founded in Missouri in 1947 as a ready-mix concrete company, acquired two quarries when it purchased Garrett Construction Co. in 1958. This created Conco Quarries, which is now a subsidiary of Ash Grove Cement. “Over the last seven decades Conco has grown from a small operation with just seven employees and [
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July 31, 2017
Conco
Business
Cemex gets 10-year lease for vital Port of Redwood City terminal
The Redwood City Port Commission approved a new 10-year-lease for cement, concrete and aggregate maker Cemex‘s 8.2-acre marine terminal in California, with an option to extend the lease for another 10 years, The Daily Journal reports. Cemex has used the terminal to import nearly 4 million metric tons of sand and aggregates from Canada over the [
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July 28, 2017
Cemex
Business
Ten-year, $1 million construction theft ring busted in Memphis
Shelby County, Tennessee, Sheriff’s deputies recently busted a longstanding theft ring responsible for the loss of more than $1 million in equipment and materials from residential jobsites in and around Memphis over a 10-year period. Deputies said the Sheriff’s office had been aware of the theft ring for some time, telling WMAC TV 5 that [
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June 23, 2017
newhome
Roadbuilding
This glow-in-the-dark concrete could build long-lasting, light-emitting highways
In the hopes of one day lighting highways without the need of electricity, a Mexican researcher has developed a unique formula of concrete that would not only glow in the dark, but last for a century. According to a report from Phys.org (via InvestigatiĂłn y Desarrollo), Dr. JosĂ© Carlos Rubio of the University of San Nicolas [
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May 12, 2016
Rubio’s concrete formula absorbs solar energy and emits blue and green light in the dark. Photo credit: Investigatión y Desarrollo
Roadbuilding
NAPA, FHWA survey shows increased use of recycled materials, warm-mix asphalt
This year’s “Asphalt Pavement Industry Survey on Recycled Materials and Warm-Mix Asphalt Usage” shows that recycled materials is being used more in asphalt mixes, along with increased usage of warm-mix asphalt — trends that highlight increased sustainability in the asphalt paving industry. The survey, conducted by the National Asphalt Pavement Association (NAPA) and the Federal [
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November 11, 2015
pavement
Roadbuilding
Reclaimed and recycled asphalt : Where is the payoff?
End users of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) in asphalt mixes – both contractors and government agencies – are benefiting from the lower raw material prices that the bituminous and mineral reclaimed products bring to the table. Those components – which are 100 percent recyclable – replace virgin materials used in [
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September 21, 2015
Road Science LeadB
Roadbuilding
Cement quarry featured prominently in HBO’s ‘Game of Thrones’ could become a permanent attraction
The Magheramorne Quarry might just be an old Lafarge Tarmac cement quarry with a nice view of the Irish Sea in the real world. But in HBO’s massively popular “Game of Thrones” fantasy television series, it’s “The Wall” and it’s all that stands between Westeros and the dangers in the north. The old quarry has been turned into [
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August 26, 2015
Construction Equipment
Holcim is burning shoes to reduce pollution when making cement
Holcim is using shoes to take a step toward being a leader as an environmentally friendly aggregate producer with its Vietnam operation. The company has forged a partnership with shredding company Untha to build a new Solid Recovered Fuel plant that will turn waste from the largest shoe factory in Vietnam into a fossil fuel substitute. The sneakers-turned-fuel will then power Holcim’s cement [
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August 18, 2015
Technology
PHOTOS: Company unveils 3D printed homes that can be built in under 3 hours
What if it were possible to reduce the process of buying and building a home to less than a day? In China, one company has quite the head start on such a disruption. According to a report from the Daily Mail, Zhouda Group, based in Xi’an, Central China, has developed new technology to 3D print [
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August 5, 2015
3D printed house China 3
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