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首页> 美国政府科技报告 >Field and Laboratory Evaluation of Energy Dissipators for Culvert and Storm Drain Outlets. Volume II. Field Performance of Corrugated Metal Culverts
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Field and Laboratory Evaluation of Energy Dissipators for Culvert and Storm Drain Outlets. Volume II. Field Performance of Corrugated Metal Culverts

机译：涵洞和雨水排放口消能器的现场和实验室评估。第二卷。波纹金属涵洞的现场性能

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A study related to durability of corrugated metal pipes for culverts throughout the State of Ohio is presented. Over 700 culverts were evaluated in the field and visually rated. About 200 of these sites were selected for close observations and tests which included thickness measurements, pH of water, pipe slope, sediment load and type of protective coating. Study showed that the bituminous materials used to protect metal culverts exhibited little loss of the protective material. Mathematical models were developed for predicting metal loss by various statistical approaches using both the metal loss measurements and visual culvert rating procedures. The results were compared to those obtained by the earlier Ohio Department of Transportation study.

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