Precast concrete box culverts save large animals and costs to motoristsThe Trans-Canada Highway through Banff National Park in Alberta, has a major effect on animals in the park. It is a barrier to natural wildlife movements. An average of 68 large animals are killed on highways in the ...
precast concrete box culvert I-SERIES™ Length: 12'00" ft - 24'00" An ecological four-sided culvert. The CON/SPAN i-Series Culvert provides and maintains a natural streambed with its engineered and tested invert technology. It stands apart from traditional culverts ... Compare this product...
Long-span flexible corrugated steel culverts are increasingly being used in highway projects in Norway, especially for snow avalanche protections. Construction can be very fast, and the structures have technical and economical advantages compared to conventional concrete structures. Construction control is...
aTemporary culverts shall be installed on existing drainage channels wherever required by the Engineer and of sizes and types ordered by him. Any suitable metal or precast concrete culverts salvaged from an existing road or abandoned bypass may be re-used if in a good condition and approved b...
Russell, H.G.Adjacent Precast Concrete Box Beam Bridges: Connection Details; The National Academies Press: Washington, DC, USA, 2009. [Google Scholar] Naito, C.; Sause, R.; Hodgson, I.; Pessiki, S.; Macioce, T. Forensic Examination of a noncomposite adjacent precast prestressed concrete ...
in the molecular chain, and the C-A-S-H structure formed. Overall, steam curing can not only promote the chemical reaction of concrete in a short time but also tends to transform C-S-H into a denser structure. Therefore, steam curing can improve the early performance of concrete (Figure...
Precast concreteAir entrained concretesHighway maintenanceConcretedurabilityBased on examination of nine (9) wetcast and four (4) drycast box culverts, itwas concluded that the use of air-entrained concrete improves the freeze-thaw durability of wetcast box culverts; drycast box culverts that ...
Precast concrete box culverts: proven strength and performanceBox Culvert Association
Precast reinforced concrete box culverts - Part 2: Large culverts (exceeding 1200 mm span or 1200 mm height and up to and including 4200 mm span and 4200 mm height)Standards Australia
precast concretearchsmall bridgesconstructive systemThis paper deals with a new constructive system for large culverts using precast concrete elements. The proposed system includes arch-shaped elements for the main structure and wall elements to retain the earth over this main structure, being all ...