Featured Research

from universities, journals, and other organizations

New Technique Has Earthquake Resistance All Wrapped Up

Date:
August 13, 2002
Source:
University Of Toronto
Summary:
Just how trustworthy are disintegrating columns that bulge and expose bent, rusting steel on elevated highways? "They are sitting ducks that, in an earthquake, could crumble," says Professor Shamim Sheikh of the University of Toronto's Department of Civil Engineering.

Just how trustworthy are disintegrating columns that bulge and expose bent, rusting steel on elevated highways? "They are sitting ducks that, in an earthquake, could crumble," says Professor Shamim Sheikh of the University of Toronto's Department of Civil Engineering. His team has devised a strong, cost-effective method of structural reinforcement that is already proving its worth on highways and other concrete structures around the Greater Toronto Area.

Related Articles


Currently, contractors repair highway columns by adding more concrete and steel to the structure. Sheikh's alternative, which uses glass or carbon fibre instead of steel, provides up to five times the strength of steel, helping structures meet and exceed the requirements of the current building codes. "It will extend the life of highways and give people precious extra seconds to get to safety during an earthquake," he says. "We think cities everywhere, particularly in earthquake zones, will benefit from this technique."

The procedure itself, which uses epoxy and a large, flexible sheet of glass or carbon fibres as the reinforcing material, is not new, Sheikh notes. However, his team is the first in North America to devise specialized retrofitting schemes for concrete structures. Sheikh and his team wrapped the materials around the highway columns and they strengthened bridge culverts with fibres - specifically, on Highways 401, 404 and the QEW - all without requiring any traffic-snarling road closures. The technique is detailed in the July 2002 issue of Engineering Structures.


Story Source:

The above story is based on materials provided by University Of Toronto. Note: Materials may be edited for content and length.


Cite This Page:

University Of Toronto. "New Technique Has Earthquake Resistance All Wrapped Up." ScienceDaily. ScienceDaily, 13 August 2002. <www.sciencedaily.com/releases/2002/08/020813071725.htm>.
University Of Toronto. (2002, August 13). New Technique Has Earthquake Resistance All Wrapped Up. ScienceDaily. Retrieved March 29, 2015 from www.sciencedaily.com/releases/2002/08/020813071725.htm
University Of Toronto. "New Technique Has Earthquake Resistance All Wrapped Up." ScienceDaily. www.sciencedaily.com/releases/2002/08/020813071725.htm (accessed March 29, 2015).

Share This


More From ScienceDaily



More Matter & Energy News

Sunday, March 29, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Inspectors Found Faulty Work Before NYC Blast

Inspectors Found Faulty Work Before NYC Blast

AP (Mar. 27, 2015) An hour before an apparent gas explosion sent flames soaring and debris flying at a Manhattan apartment building, injuring 19 people, utility company inspectors decided the work being done there was faulty. (March 27) Video provided by AP
Powered by NewsLook.com
Facebook Building Plane-Sized Drones For Global Internet

Facebook Building Plane-Sized Drones For Global Internet

Newsy (Mar. 27, 2015) Facebook on Thursday revealed more details about its Internet-connected drone project. The drone is bigger than a 737, but lighter than a car. Video provided by Newsy
Powered by NewsLook.com
Robot Returns from International Space Station and Sets Two Guinness World Records

Robot Returns from International Space Station and Sets Two Guinness World Records

Reuters - Light News Video Online (Mar. 27, 2015) The companion robot "Kirobo" returns to earth from the International Space Station and sets two Guinness World Records. Sharon Reich reports. Video provided by Reuters
Powered by NewsLook.com
Residents Witness Building Explosion, Collapse

Residents Witness Building Explosion, Collapse

AP (Mar. 26, 2015) Witnesses recount the sites and sounds of a massive explosion and subsequent building collapse in the heart of Manhattan&apos;s trendy East Village on Thursday. (March 26) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Space & Time

Matter & Energy

Computers & Math

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins