The diameter less or equal to 4.0m, the metal corrugated pipe cost is as same as the slabculvert and arch culvert, parts culverts can save cost 5.9-6.4%, construction period is 20-50 days less
Metal corrugated culvert compare to slabculvert and arch culvert in the same span
The diameter less or equal to 4.0m, the metal corrugated pipe cost is as same as the slabculvert and arch culvert, parts culverts can save cost 5.9-6.4%, construction period is 20-50 days less, diameter 5.0m corrugated pipe cost is as same as the small bridge cost, construction time save 35 days, diameter 6.0m corrugated pipe is same cost as stone arch cluvert, save cost 18.2~23%, shorten construction time more than 50 days
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