Engineered Water Repellency in Frost Susceptible Soils

Engineered Water Repellency in Frost Susceptible Soils
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易受霜冻土壤影响的工程防水性

DOI:
10.1061/9780784484012.047
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发表时间:
2022
期刊:
and Innovative Geomaterials
影响因子:
--
通讯作者:
Cetin, Bora
Cetin, Bora
中科院分区:
--
文献类型:
--
作者:
Uduebor, Micheal;Daniels, John;Naqvi, Mohammad Wasif;Cetin, Bora

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易受霜冻影响的土壤的存在使得路面等地质结构系统的设计、施工和维护变得困难。这在经历季节性寒冷天气、气温低于零度的地区尤为明显。一种创新的缓解方法是使易受霜冻影响的土壤具有疏水性。这是通过使用具有成本效益且环境相容的聚合物处理土壤来实现的,该聚合物使土壤具有防水性(工程防水性)。本文研究了使用不同浓度剂量的市售化学品(ATS-100、Terrasil、DOWSIL IE6683)对选定的易受霜冻影响的土壤进行的处理。使用接触角测量和水滴渗透测试来确定所赋予的疏水性程度和性能。研究发现,使用 ATS-100 和 Terrasil 进行处理即使在很小的浓度下也很有效,ATS-100 的值范围为 73° 至 144°,Terrasil 的值范围为 103° 至 145°。 DOWSIL IE6683 的有效值以 1:10 的比例获得。
The presence of frost susceptible soils makes the design, construction, and maintenance of geostructural systems such as pavement difficult. This pronounced in areas that experience seasonally cold weather characterized by freezing sub-zero temperatures. An innovative approach in mitigation is to render frost susceptible soils hydrophobic. This is achieved by treating soils with cost-effective and environmentally compatible polymers in a process that makes them water repellent (Engineered Water Repellency). This paper investigates the treatment of selected frost susceptible soils using commercially available chemicals (ATS-100, Terrasil, DOWSIL IE6683) at varying concentration dosages. The degree of hydrophobicity imparted, and performance was determined using contact angle measurements and Water Drop Penetration Tests. Treatment using ATS-100 and Terrasil were found to be effective even at small concentrations with values ranging from 73° to 144° for ATS-100 and from 103° to 145° for Terrasil. Effective values for DOWSIL IE6683 were obtained at a ratio of 1:10.
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