Many of India's pedestrian crossings have been criticised for not actually leading anywhere. this particular crossing ends against a landscaped and fenced-in traffic island. Photo courtesy of World Highways reader BK Roy.
March 14, 2012
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Many of India's pedestrian crossings have been criticised for not actually leading anywhere. this particular crossing ends against a landscaped and fenced-in traffic island. Photo courtesy of World Highways reader BK Roy.
Tunnels make up 18km of the 21km of the Swedish capital’s E4 Bypass mega-project. It will have taken 15 years from start to opening in 2030, if all goes well
The use of controlled frequency vibration for concrete continues to grow, writes Paul Jaworski
Controlled frequency vibration (CFV) technology has been around since the mid-1990s for concrete pavement applications. The technology has seen a gradual increase in acceptance, particularly in certain applications.
For the 0- to 37mm (1.5”) slump pavement mix designs, many contractors were experiencing material separation due to speeds over 8,000vibrations/minute (VPM). With the wide variability of concrete
