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Failures of Pipe Culverts from a 1000-Year Rainfall Event in South Carolina

机译：南卡罗来纳州1000年降雨事件中的涵洞故障

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摘要

South Carolina recently experienced a 1000-year rainfall event that caused catastrophic flooding and crippled the transportation infrastructure. Initially, almost 400 roadways were closed due to flooding, a majority of which were closed from roadway washouts. Many of these roadway washouts resulted from failure of the pipe culvert soil system beneath the roadway. The culvert infrastructure is critical to not only preventing flooding during normal and extreme conditions but is integral to proper road and highway maintenance. This paper presents the results from a post-flood reconnaissance study aimed to collect perishable data from sites where pipe culverts failed and roadways were washed out. The study included collection of extensive photographic evidence and documentation of descriptive information related to the failure; collection of soil samples; and field and laboratory geotechnical tests.
机译：南卡罗来纳州最近经历了1000年的降雨事件，造成了灾难性的洪灾，严重破坏了交通基础设施。最初，由于洪水而关闭了近400条道路，其中大部分是由于道路冲刷而关闭的。这些巷道冲刷中有许多是由于巷道下方的管涵土壤系统失效所致。涵洞基础设施不仅对于防止正常和极端情况下的洪水泛滥至关重要，而且对于适当的道路和高速公路维护也是必不可少的。本文介绍了洪水后勘测研究的结果，该研究旨在从管道涵洞失效和道路被冲刷的地点收集易腐烂的数据。该研究包括收集大量的摄影证据，并记录与故障有关的描述性信息。收集土壤样品;现场和实验室岩土测试。

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