Experimental evaluation of dynamic deformation characteristics of sheet pile retaining walls with fiber reinforced backfill
Experimental evaluation of dynamic deformation characteristics of sheet pile retaining walls with fiber reinforced backfill
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DOI：
10.1016/j.soildyn.2009.12.017
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发表时间：
2010-06-01
影响因子：
4
通讯作者：
Tabarsa, A. R.
中科院分区：
文献类型：
--
作者：
Jamshidi, R.;Towhata, I.;Tabarsa, A. R.
纤维增强土表现为一种复合材料，其中具有相对较高拉伸强度的纤维嵌入土壤基质中。土壤中的剪切应力调动了纤维中的抗拉阻力，这反过来又赋予土壤更大的强度。本文研究了合成纤维材料对改善细桑迪动力响应特性的影响。该项目旨在将纤维地毯废料转化为用于土壤加固的增值产品。利用刚性箱对随机分布的土工布加筋土丰浦砂试件进行了5个系列的振动台试验。加筋砂土的动力变形特性是根据墙体的侧向变形和转动来定义的。试验结果表明，纤维增强材料对粉细砂动力特性的改善效果明显，纤维增强板桩挡墙在地震作用下的变形特性也得到了改善。(C)2010爱思唯尔有限公司版权所有。
Fiber reinforced soil behaves as a composite material in which fibers of relatively high tensile strength are embedded in a matrix of soil. Shear stresses in the soil mobilize tensile resistance in the fibers, which in turn imparts greater strength to the soil. In this paper a study on the influence of synthetic fibrous materials in improving the dynamic response characteristics of fine sandy soil is reported. The project aims at converting fibrous carpet waste into a value-added product for soil reinforcement. A series of five shaking table tests using rigid box were carried out on Toyoura sand specimens reinforced with randomly distributed geotextile strips. The dynamic deformation characteristics of the reinforced sand are defined in terms of wall lateral deformation and rotation. The results clearly indicate the effectiveness of fiber reinforcement in improving dynamic properties of fine sand and deformation characteristics of fiber reinforced sheet pile retaining wall during shaking. (C) 2010 Elsevier Ltd. All rights reserved.