基于地质属性的标准侵彻试验N值的横波速度预测模型评价:以韩国釜山为例

IF 2.2 4区 工程技术 Q3 ENGINEERING, GEOLOGICAL
Giseok Heo, Jaehwi Kim, Seokho Jeong, Dongyoup Kwak
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引用次数: 0

摘要

本研究评估了先前提出的标准穿透测试(SPT) N和横波速度(VS)模型与位于朝鲜半岛东南部的釜山地区地质属性的有效性。多个实证N-VS模型使用了从韩国不同地区收集的数据集,得出了不同模型之间不同的N-VS趋势。为了验证每种模型的预测能力,本研究收集了釜山地区包含SPT N和VS测量的钻孔测井资料,然后进行了彻底的残差分析。釜山地区西部是三角洲地区,东部是山脉和丘陵中的侵蚀盆地。尽管地理范围相对有限,但我们发现,使用填塞区数据开发的模型在三角洲地区(釜山西部)表现出优越的性能,而从侵蚀盆地数据集构建的模型在侵蚀盆地地区(釜山东部)表现更好。这种比较研究支持了N-VS模型对地质属性的依赖性,并提供了有价值的见解,即在从SPT N值估计VS时应采用具有类似地质属性的N-VS模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Shear Wave Velocity Prediction Models from Standard Penetration Test N Values Depending on Geologic Attributes: A Case Study in Busan, South Korea
This study evaluates the effectiveness of the previously proposed Standard Penetration Test (SPT) N and shear wave velocity (VS) models in relation to the geological attributes of the Busan region, situated in the southeastern part of the Korean peninsula. The multiple empirical N-VS models, which used datasets collected from different regions in South Korea, resulted in distinct N-VS trends across models. To validate the predictive capabilities of each model, this study gathered boring logs containing SPT N and VS measurements within the Busan region, followed by a thorough residual analysis. The Busan area encompasses a delta region to the west and erosion basins within the mountains and hills to the east. Despite the relatively confined geographical scope, we found that models developed using data from fill areas exhibit superior performance for the delta region (western Busan), while models constructed from datasets within erosion basins perform better for the erosion basin region (eastern Busan). This comparative examination supports the dependence of the N-VS model on geologic attributes and offers the valuable insight that N-VS models developed with analogous geological attributes should be employed when estimating VS from SPT N values.
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来源期刊
Environmental geotechnics
Environmental geotechnics Environmental Science-Water Science and Technology
CiteScore
6.20
自引率
18.20%
发文量
53
期刊介绍: In 21st century living, engineers and researchers need to deal with growing problems related to climate change, oil and water storage, handling, storage and disposal of toxic and hazardous wastes, remediation of contaminated sites, sustainable development and energy derived from the ground. Environmental Geotechnics aims to disseminate knowledge and provides a fresh perspective regarding the basic concepts, theory, techniques and field applicability of innovative testing and analysis methodologies and engineering practices in geoenvironmental engineering. The journal''s Editor in Chief is a Member of the Committee on Publication Ethics. All relevant papers are carefully considered, vetted by a distinguished team of international experts and rapidly published. Full research papers, short communications and comprehensive review articles are published under the following broad subject categories: geochemistry and geohydrology, soil and rock physics, biological processes in soil, soil-atmosphere interaction, electrical, electromagnetic and thermal characteristics of porous media, waste management, utilization of wastes, multiphase science, landslide wasting, soil and water conservation, sensor development and applications, the impact of climatic changes on geoenvironmental, geothermal/ground-source energy, carbon sequestration, oil and gas extraction techniques, uncertainty, reliability and risk, monitoring and forensic geotechnics.
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