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首页> 外文会议>Proceedings of conference 31 >Polymer use and testing for erosion and sediment control on construction sites: recent experience in the pacific northwest
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Polymer use and testing for erosion and sediment control on construction sites: recent experience in the pacific northwest

机译：聚合物在建筑工地上的使用以及侵蚀和沉积物控制的测试：西北太平洋地区的最新经验

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摘要

During the much wetter than usual fall and winter of 1998-1999, the Washington state Department of Transportation (WSDO) and the Port of seattle tested several applications of polymers as conustruction site experimental erosion and sediment control best management practices (BMPs). As a soil erosion prevention BMP, WSDOT showed that anionic polyacrylamide (PAM, Chemco 9836A) applied to soils in wet and dry applications effectively reduced turbidity in runoff from test plots and highway construction sites. Optimal application rates were generally less than 1 kg/ha (about 1 lb/ac), costing a few dollars per hectare. Less effective results wer found at higher applications rates. Runoff from PAM-treated soils showed no acute or cronic toxicity to a daphnid (water flea) species tested in situ.
机译：在1998-1999年秋季和冬季比往年多雨的季节里，华盛顿州运输部（WSDO）和西雅图港测试了聚合物的几种应用，作为建筑工地实验性侵蚀和沉积物控制最佳管理方法（BMP）。作为防土壤侵蚀的BMP，WSDOT表明，阴离子聚丙烯酰胺（PAM，Chemco 9836A）应用于干湿应用的土壤中，可有效降低测试区和公路施工现场径流中的浊度。最佳施用量通常小于1千克/公顷（约1磅/英亩），每公顷花费几美元。在较高的施用率下发现效果较差的结果。经PAM处理的土壤的径流对原位测试的水蚤（水蚤）没有显示出急性或慢性毒性。

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