A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Development of a New Culvert Replacement Method
Culverts importance may not be visible until repair or replacement costs appear, or unfortunately until they collapse. To cope with repair needs of such assets, trenchless technologies are nowadays being used in place of traditional open cut, due in part to their cost effectiveness when traffic disruptions and social costs are considered. In some cases, replacement of a damaged culvert is inevitable; however, the technologies to replace culvert utilizing trenchless methods are limited. Reviewing literature on this topic, field trials and construction case studies have been found with little scientific study regarding feasibility, sequence of installation, safety, cost estimation, material selection and other basic engineering studies. The main objective of this ongoing research is to present a conceptual and developing method to replace culverts using a viable trenchless method. This proposed methodology may enable culvert upsizing by driving a set of horizontally arranged sheet piles over a deteriorated culvert, swallowing it concentrically. Although the proposed alternative currently is not intended to replace culverts in wide roads or freeways, it may become useful when replacing culverts in two way roads under heavy traffic.
Development of a New Culvert Replacement Method
Culverts importance may not be visible until repair or replacement costs appear, or unfortunately until they collapse. To cope with repair needs of such assets, trenchless technologies are nowadays being used in place of traditional open cut, due in part to their cost effectiveness when traffic disruptions and social costs are considered. In some cases, replacement of a damaged culvert is inevitable; however, the technologies to replace culvert utilizing trenchless methods are limited. Reviewing literature on this topic, field trials and construction case studies have been found with little scientific study regarding feasibility, sequence of installation, safety, cost estimation, material selection and other basic engineering studies. The main objective of this ongoing research is to present a conceptual and developing method to replace culverts using a viable trenchless method. This proposed methodology may enable culvert upsizing by driving a set of horizontally arranged sheet piles over a deteriorated culvert, swallowing it concentrically. Although the proposed alternative currently is not intended to replace culverts in wide roads or freeways, it may become useful when replacing culverts in two way roads under heavy traffic.
Development of a New Culvert Replacement Method
Calderon, Diego (author) / Najafi, Mohammad (author)
International Conference on Pipelines and Trenchless Technology (ICPTT) 2009 ; 2009 ; Shanghai, China
ICPTT 2009 ; 1294-1301
2009-09-15
Conference paper
Electronic Resource
English
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