Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Michigan Tech Researcher Using Nanoclays to Build Better Asphalt

Ruts like these pose a serious threat to motorists. Zhanping You and his team have discovered that adding nanoclay to the asphalt pavement mix may help roads resist rutting.
Ruts like these pose a serious threat to motorists. Zhanping You and his team have discovered that adding nanoclay to the asphalt pavement mix may help roads resist rutting.

Abstract:
Long before freeways and parking lots, a naturally occurring asphalt first appeared on roads in about 600 B.C. You can still see patches of it in the ancient city of Babylon.

Michigan Tech Researcher Using Nanoclays to Build Better Asphalt

Houghton, MI | Posted on May 4th, 2012

Under the onslaught of 21st century traffic, modern asphalt isn't likely to hold up for anywhere near 2,700 years. But at Michigan Technological University, Zhanping You is paving the way for brand-new asphalt blends to fight off cracks, rutting and potholes.

His work has drawn so much attention that one of his papers made SciVerse ScienceDirect's Top 25 Hottest Articles of 2011 for the journal Construction and Building Materials.

"Nanoclay-Modified Asphalt Materials: Preparation and Characterization" reviews recent literature on asphalt that has been doctored with nanomaterials. It also presents new discoveries from You's team suggesting that adding nanoclays to asphalt materials could make for safer, longer-lasting roadways.

"Asphalt is now made from petroleum, so it's very expensive," said You, an associate professor of civil and environmental engineering. "As a result, a lot of people are looking at ways to make it more durable."

Heat, cold and stress in the form of traffic take their toll on asphalt pavement, made from a mix of asphalt and aggregates like gravel. That leads to cracks, potholes and a process called rutting. Ruts are most likely to form on busy roads, sections with slow traffic, and areas with stop signs and stoplights, where the rubber hits the road hard thousands of times a day.

"Rutting can be very dangerous, especially in snow and ice," You said. "If we could use advanced materials to reduce rutting, that would be very beneficial to the public."

You's team tested two types of nanoclays, adding 2-4 percent by weight to the asphalt. That's a smidgeon--less than half of a percent of the total weight of the asphalt pavement itself. But it made a big difference.

"It improved the viscosity significantly," You said. "That means it will provide better stiffness, which means that it won't deform as much in hot weather or under heavy traffic."

They don't yet know if nanoclay can help asphalt resist cracking in cold weather or under heavy loads, since their testing isn't completed. "But it is always our goal to develop new asphalt mixtures with those qualities," You said.

His lab is also testing how other nanomaterials, including nano-silica and nano-composites, will affect asphalt durability.

In addition to You, coauthors of "Nanoclay-Modified Asphalt Materials: Preparation and Characterization" are Assistant Professor Qingli Dai, PhD students Julian Mills-Beale and Shu Wei Goh and former undergraduate Justin Foley of Michigan Tech's Department of Civil and Environmental Engineering; Samit Roy of the University of Alabama, Tuscaloosa; and Associate Professor Gregory Odegard of Michigan Tech's Department of Mechanical Engineering-Engineering Mechanics.

####

About Michigan Technological University
Michigan Technological University (www.mtu.edu) is a leading public research university developing new technologies and preparing students to create the future for a prosperous and sustainable world. Michigan Tech offers more than 130 undergraduate and graduate degree programs in engineering; forest resources; computing; technology; business; economics; natural, physical and environmental sciences; arts; humanities; and social sciences.

For more information, please click here

Contacts:
Zhanping You

906-487-1059

Marcia Goodrich
906-487-2343

Copyright © Michigan Technological University

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Particle Works creates range of high performance quantum dots February 23rd, 2017

GLOBALFOUNDRIES Announces Availability of 45nm RF SOI to Advance 5G Mobile Communications: Optimized RF features deliver high-performance solutions for mmWave beam forming applications in 5G smartphones and base stations February 22nd, 2017

EmTech Asia breaks new barriers with potential applications of space exploration with NASA and MIT February 22nd, 2017

JPK selects compact tensile stage from Deben for their NanoWizardŽ AFM platform to broaden capabilities for materials characterisation February 22nd, 2017

Discoveries

Molecular phenomenon discovered by advanced NMR facility: Cutting edge technology has shown a molecule self-assembling into different forms when passing between solution state to solid state, and back again - a curious phenomenon in science - says research by the University of Wa February 22nd, 2017

Tiny nanoclusters could solve big problems for lithium-ion batteries February 21st, 2017

Oxford Instruments announces Dr Brad Ramshaw of Cornell University, as winner of the 2017 Lee Osheroff Richardson Science Prize February 20th, 2017

Breakthrough with a chain of gold atoms: In the field of nanoscience, an international team of physicists with participants from Konstanz has achieved a breakthrough in understanding heat transport February 20th, 2017

Materials/Metamaterials

EmTech Asia breaks new barriers with potential applications of space exploration with NASA and MIT February 22nd, 2017

Molecular phenomenon discovered by advanced NMR facility: Cutting edge technology has shown a molecule self-assembling into different forms when passing between solution state to solid state, and back again - a curious phenomenon in science - says research by the University of Wa February 22nd, 2017

Tiny nanoclusters could solve big problems for lithium-ion batteries February 21st, 2017

Oxford Instruments announces Dr Brad Ramshaw of Cornell University, as winner of the 2017 Lee Osheroff Richardson Science Prize February 20th, 2017

Announcements

Particle Works creates range of high performance quantum dots February 23rd, 2017

GLOBALFOUNDRIES Announces Availability of 45nm RF SOI to Advance 5G Mobile Communications: Optimized RF features deliver high-performance solutions for mmWave beam forming applications in 5G smartphones and base stations February 22nd, 2017

EmTech Asia breaks new barriers with potential applications of space exploration with NASA and MIT February 22nd, 2017

JPK selects compact tensile stage from Deben for their NanoWizardŽ AFM platform to broaden capabilities for materials characterisation February 22nd, 2017

Construction

Graphene foam gets big and tough: Rice University's nanotube-reinforced material can be shaped, is highly conductive February 13th, 2017

New low-cost technique converts bulk alloys to oxide nanowires January 24th, 2017

Rice U probes ways to turn cement's weakness to strength: Rice University lab's calculations show new mechanisms to induce strength, ductility into concrete January 6th, 2017

Diamond nanothread: Versatile new material could prove priceless for manufacturing: Would you dress in diamond nanothreads? It's not as far-fetched as you might think November 3rd, 2016

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project