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Measuring the Risk of Geotechnical Site Investigations

机译：测量岩土现场调查的风险

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摘要

The site investigation phase of any geotechnical design plays a vital role, where inadequate characterization of the subsurface conditions may contribute to either a significantly over designed solution that is not cost-effective, or an under design, which may lead to potential failures. Although it is intuitive to expect that the financial risk of a design will reduce as the site investigation scope increases (I.e. Additional sampling), it is not known to what degree the risk is reduced, nor whether other uncertainties have an impact on this relationship. As such, this paper discusses research to measure the impact of varying the scope of a site investigation, on the financial risk of a foundation design project. The financial risk is defined as the total cost, which includes costs associated with undertaking the site investigation, constructing the foundation and superstructure, and any works required to rehabilitate a foundation failure.
机译：任何岩土工程设计的现场调查阶段都起着至关重要的作用，其中对地下条件的不充分描述可能会导致设计上明显超出成本效益的解决方案，或者设计不足会导致潜在的故障。尽管可以直观地预期到设计的财务风险会随着现场调查范围的增加而降低（即额外抽样），但尚不知道风险降低的程度，也不清楚其他不确定性是否会对这种关系产生影响。因此，本文讨论了研究以衡量不同站点调查范围对基础设计项目财务风险的影响。财务风险定义为总成本，包括与进行现场调查，建造基础和上部结构以及修复基础故障所需的任何工作相关的成本。

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