• Arch Culvert
• cast in site
• precast
• Shotcrete
• steel

• July 2010
• June 2010
• May 2010
• April 2010
• March 2010
• October 2009
• September 2009

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After settling into our hotel and cooling off in the pool we caught a rickshaw into the old town to explore. The driver dropped us on the busy road outside the city walls and we spent 15 minutes trying to identify where we were on our map – I don’t know why we bother because [...]

Many people who travel to Iran have already planned to visit Isfahan as one of Iran trip highlights. I want to show you how you can plan an unforgettable walking tour of Isfahan visiting Imam Khomeini Square (Imam Sq) formerly known as Naqgh-e-Jahan Square. This one-day tour helps you visit the highlights of the heart [...]

TechSpan® – Precast Arches
TechSpan® is the most reliable, cost-effective precast concrete arch system available for the construction or replacement of culverts and bridges.
Advanced design procedures and unique fabrication capabilities provide the most efficient use of concrete and reinforcing steel. Unlike most alternative systems, efficiency and economy of design increase progressively as the embankment height over [...]