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Shallow Depth Chemical Grouting for Soil Stabilization

机译：浅层化学灌浆加固土壤

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摘要

Chemical grouts have been used for soil stabilization for many years and are effective for improving soil density, reducing compressibility and lowering hydraulic conductivity. For this article we will focus on two particular types: Single Component Polyurethane Systems used for permeation grouting and Two Component Polyurethane Systems used for compaction grouting. Both systems are commonly used in shallow sandy/clayey soils to improve soil stability. During summer 2012, Prime Resins, Inc. assembled, Stable Soils, Ocala, Fla., Foundation Professionals, Lake City, Fla., and Ellis and Associates, Jacksonville, Fla., a geotechnical engineering testing lab to participate in two days of field installations and testing with these two systems/techniques with the objective of determining the attributes or deficiencies of each system. All installations were executed matching real world conditions using the same techniques specified on real jobs.
机译：化学灌浆已被用于土壤稳定化多年，并且对改善土壤密度，降低可压缩性和降低水力传导性有效。在本文中，我们将重点介绍两种特殊类型：用于渗透灌浆的单组分聚氨酯体系和用于压实灌浆的两组分聚氨酯体系。两种系统通常用于浅沙质/粘土土壤中，以提高土壤稳定性。在2012年夏季，Prime Resins，Inc.组装了佛罗里达州奥卡拉的Stable Soils，佛罗里达州莱克城的Foundation Professionals和佛罗里达州杰克逊维尔的Ellis and Associates的岩土工程测试实验室，参加了为期两天的现场测试这两种系统/技术的安装和测试，目的是确定每个系统的属性或不足。使用与实际作业中指定的相同技术，根据实际条件执行所有安装。

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