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首页> 外文期刊>Proceedings of the Institutuion Civil Engineers >Prefabricated vertical drains: a simplified design procedure
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Prefabricated vertical drains: a simplified design procedure

机译：预制垂直排水管：简化的设计程序

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摘要

The available design procedures for prefabricated vertical drains are discussed and a simple-to-use design equation is derived by which the drain spacing ratio, n, is expressed as an explicit function of the degree of consolidation required time available, and geotechnical properties of the compressible layer. Both smear and well-resistance effects are included in the analysis. The proposed approach does not require the aid of a computer and the drain spacing is calculated avoiding any iterative process or interpolations. The design equation derived in this note can be considered an improvement over the design chart-based procedures as it provides a very accurate value of the drain spacing ratio instead of a graphical estimate. For smear and well-resistance parameters varying in a range of practical interest the results of a validation phase demonstrate that the proposed approach can be effectively used for practical applications. A numerical example is given to illustrate the design procedure.
机译：讨论了预制垂直排水管的可用设计程序，并推导了一个简单易用的设计方程，通过该方程可将排水管间距比n明确表示为固结所需时间的可用程度以及排水管的岩土特性。可压缩层。分析中包括拖尾效应和良好抵抗力效应。所提出的方法不需要计算机的帮助，并且排水间隔的计算避免了任何迭代过程或插值。本说明中得出的设计方程式可以认为是对基于设计图的过程的改进，因为它提供了非常精确的漏极间距比值，而不是图形估计。对于在实际感兴趣的范围内变化的拖尾和良好抵抗力参数，验证阶段的结果表明，所提出的方法可以有效地用于实际应用。数值例子说明了设计过程。

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