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首页> 外文期刊>Journal of geotechnical and geoenvironmental engineering >Robust Geotechnical Design of Drilled Shafts in Sand: New Design Perspective
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Robust Geotechnical Design of Drilled Shafts in Sand: New Design Perspective

机译:砂井井筒的可靠岩土工程设计:新的设计视角

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摘要

This paper presents a new geotechnical design concept called robust geotechnical design (RGD). This new design methodology, seeking to achieve a certain level of design robustness in addition to meeting safety and cost requirements, is complementary to traditional design methods. Here a design is considered robust if the variation in the system response is insensitive to the variation in noise factors (mainly uncertain soil parameters). To aid in selection of the best design, a Pareto front that describes a tradeoff relationship between cost and robustness at a given safety level can be established using the RGD methodology. The new design methodology is illustrated with an example of drilled-shaft design for axial compression. The significance of the RGD methodology is demonstrated.
机译:本文提出了一种新的岩土设计概念,称为稳健岩土设计(RGD)。这种新的设计方法除了要满足安全性和成本要求外,还试图达到一定的设计鲁棒性,是对传统设计方法的补充。如果系统响应的变化对噪声因子(主要是不确定的土壤参数)的变化不敏感,则认为该设计是可靠的。为了帮助选择最佳设计,可以使用RGD方法建立描述在给定安全级别上成本与鲁棒性之间折衷关系的Pareto前沿。以轴向压缩钻轴设计为例说明了新的设计方法。证明了RGD方法的重要性。

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