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Underground Space 2022年第6期7卷 967-989页

作者： Kok-Kwang Phoon jianye ching Zijun Cao Singapore University of Technology and Design 487372Singapore Dept of Civil Engineering Taiwan UniversityTaipeiTaiwan 10617China State Key Laboratory of Water Resources and Hydropower Engineering Science Institute of Engineering Risk and Disaster PreventionWuhan UniversityWuhan 430072China

The purpose of this paper(presented online as a keynote lecture at the 25th Annual Indonesian Geotechnical Conference on 10 Nov 2021)is to broadly conceptualize the agenda for data-centric geotechnics,an emerging field that attempts to prepare geotechnical engineering for digital *** agenda must include(1)development of methods that make sense of all real-world data(not selective input data for a physical model),(2)offering insights of significant value to critical real-world decisions for current or future practice(not decisions for an ideal world or decisions of minor concern to geotechnical engineers),and(3)sensitivity to the physical context of geotechnics(not abstract data-driven analysis connected to geotechnics in a peripheral way,i.e.,engagement with the knowledge and experience base should be substantial).These three elements are termed“data centricity”,“fit for(and transform)practice”,and“geotechnical context”in the *** that a knowledge of the site is central to any geotechnical engineering project,datadriven site characterization(DDSC)must constitute one key application domain in data-centric geotechnics,although other infrastructure lifecycle phases such as project conceptualization,design,construction,operation,and decommission/reuse would benefit from data-informed decision support as *** part of DDSC that addresses numerical soil data in a site investigation report and soil property databases is pursued under Project *** principle,the source of data can also go beyond site investigation,and the type of data can go beyond numbers,such as categorical data,text,audios,images,videos,and expert *** purpose of Project DeepGeo is to produce a 3D stratigraphic map of the subsurface volume below a full-scale project site and to estimate relevant engineering properties at each spatial point based on actual site investigation data and other relevant Big Indirect Data(BID).Uncertainty quantification is necessary,as curr

关键词： Data-centric geotechnics Bayesian machine learning Data-driven site characterization(DDSC) Project DeepGeo Data-informed decision support index

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Estimating horizontal scale of fluctuation with limited CPT soundings

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Geoscience Frontiers 2018年第6期9卷 1597-1608页

作者： jianye ching Tsai-Jung Wu Armin W.Stuedlein Taeho Bong Department of Civil Engineering National Taiwan University School of Civil and Construction Engineering Oregon State University

The paper explores the possibility of estimating the horizontal scale of fluctuation(δ_h) with limited *** following conditions are desirable:(1) the CPT depth is large;(2) there are more than two CPTs;(3)the CPT separation distances are distinct and preferably less than 2×δ_h; and(4) the Whittle-Matern auto-correlation model is adopted.

关键词： Geotechnical engineering Site characterization Spatial variability Horizontal scale of fluctuation

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Big data and machine learning in geoscience and geoengineering:Introduction

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Geoscience Frontiers 2021年第1期12卷 327-329页

作者： Wengang Zhang jianye ching Anthony T.C.Goh Andy Y.F.Leung School of Civil Engineering Chongqing UniversityChongqing 400045China Department of Civil Engineering National Taiwan UniversityChinese Taipei School of Civil and Environmental Engineering Nanyang Technological UniversitySingapore Department of Civil and Environmental Engineering The Hong Kong Polytechnic UniversityHong KongChina

In recent years,we have entered the so-called Fourth Paradigm with the regular production of huge amount of observational *** data is often characterized by the three‘V's:Volume of data,Variety and *** concept of big data can potentially address some existing issues in areas of geoscience and ***-scale,comprehensive,multidirectional and multifield geotechnical monitoring is becoming a reality in the very near future.

关键词： becoming engineering. Velocity

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