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DTSTART;TZID=America/Phoenix:20270428T083000
DTEND;TZID=America/Phoenix:20270428T133000
DTSTAMP:20260423T150614
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SUMMARY:Online Workshop: Drilled Shafts in Soil and Rock - Geotechnical Design Aspects
DESCRIPTION:Drilled shaft foundations in soils and rocks are often a technically sound and cost-effective choice where a deep foundation solution is appropriate based on site conditions\, applied loads\, project schedule\, and performance requirements. When soils are of relatively poor quality and the structure loads are relatively large the shafts are often drilled through the poor soils into underlying rock mass if present. These shafts could be founded or seated on top of the rock mass\, or they could be drilled into the rock mass to form a rock socket. There are a number of different methods to design shafts in soils and rocks. The thrust of the discussions in this workshop is to establish a good understanding of the geotechnical design procedures for drilled shafts in soils and rocks. Construction techniques can have a significant effect on mobilized axial and lateral resistances and therefore brief information on effect of construction on drilled shafts will also be included. The workshop will be indexed to the latest (2020) version of the Bridge Design Specifications (BDS) based on the  Load and Resistance Factor Design (LRFD) platform of the American Association of State Highway and Transportation Officials which is a key component of Federal Highway Administration (FHWA) guidelines for drilled shafts. Information from AASHTO’s latest (2020) Guide Specification for Service life design will also be presented. \nUsing a collaborative and interactive learning approach\, this virtual workshop will help you understand the geotechnical design procedures for drilled shafts in soils and rocks using the concepts of LRFD. The workshop will help you assimilate crucial considerations for design of drilled shafts in soils and rocks through active participation by frequent interactions throughout the workshop and real-time expert feedback. The interactions will facilitate a better understanding of the nuances of the various geotechnical design procedures which would help you avoid costly design errors in real-world projects. In between the two live sessions\, attendees will independently work on an application (e.g.\, exercises) and/or a reflection (e.g.\, reading) assignment. \nSession 1 of 2 \n\nIntroductions\nGeneral terminology for design of drilled shafts\nFailure modes and limit states\nResistance and resistance factors\nEvaluation of geotechnical axial resistance using chart approach\nConcepts for evaluating lateral response\nExtreme events\nDesign aspects for drilled shafts in ephemeral waterways\nTypical structural details\nBrief introduction to construction techniques for shafts in soils\nReview of Session 1\nInteractive Question and Answer (Q&A) session\nAssignment of classwork\nAdjourn for classwork and break\n\nSession 2 of 2 \n\nRoadmap for Session 2\nReview of classwork assignments\nIntroduction and definition of variables for rock sockets\nDefinition of rock and site characterization\nAxial resistance in rocks\nLateral resistance in rocks\nBrief introduction to construction techniques for rock sockets\nMaterial Deterioration: AASHTO Guide Specification Provisions\nClosure and references\nReview of Session 2 and full workshop\nInteractive Question and Answer (Q&A) session\nAdjourn
URL:https://ncsgeoresources.com/event/online-workshop-drilled-shafts-in-soil-and-rock-geotechnical-design-aspects-2/
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