H. Abbas, Duaa Al-Jeznawi, M. Al-Janabi, L. Bernardo, Manuel António Sobral Campos Jacinto
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引用次数: 0
摘要
剪切波速度(Vs)是地球物理勘测、微地层研究和场地分类中的一个关键参数。由于设备不到位、空间有限或初始仪器成本等原因,在特定地点进行直接测试具有挑战性,因此必须利用经验相关性直接估算 Vs,以有效确定场地特征。本综述论文探讨了 Vs 与标准贯入试验 (SPT) 在岩土工程场地特征描述中的相关性。Vs 是岩土工程和地震工程中的一个关键参数,是包括地基设计和地震危险评估在内的各种项目不可或缺的参数。本文详细分析了主要研究结果、对岩土工程实践的影响以及该领域未来的研究需求。论文强调了针对具体地点进行校准的重要性、地质背景的影响、深度依赖行为、数据质量控制以及 Vs 数据与其他地球物理方法的整合。综述强调,由于 Vs 值可能随时间发生变化,因此需要对其进行持续监测。研究中的这些见解和差距有助于提高岩土工程的准确性和安全性,尤其是在地震多发地区。
Exploring Shear Wave Velocity—NSPT Correlations for Geotechnical Site Characterization: A Review
Shear wave velocity (Vs) is a critical parameter in geophysical investigations, micro-zonation research, and site classification. In instances where conducting direct tests at specific locations is challenging due to equipment unavailability, limited space, or initial instrumentation costs, it becomes essential to estimate Vs directly, using empirical correlations for effective site characterization. The present review paper explores the correlations of Vs with the standard penetration test (SPT) for geotechnical site characterization. Vs, a critical parameter in geotechnical and seismic engineering, is integral to a wide range of projects, including foundation design and seismic hazard assessment. The current paper provides a detailed analysis of the key findings, implications for geotechnical engineering practice, and future research needs in this area. It emphasizes the importance of site-specific calibration, the impact of geological background, depth-dependent behavior, data quality control, and the integration of Vs data with other geophysical methods. The review underlines the continuous monitoring of Vs values due to potential changes over time. Addressing these insights and gaps in research contributes to the accuracy and safety of geotechnical projects, particularly in seismic-prone regions.