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X-ORIGINAL-URL:https://ncsgeoresources.com
X-WR-CALDESC:Events for NCS GeoResources, LLC
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TZID:America/Phoenix
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DTSTART:20250101T000000
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BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260413T083000
DTEND;TZID=America/Phoenix:20260413T130000
DTSTAMP:20260408T065154
CREATED:20260106T220014Z
LAST-MODIFIED:20260106T220702Z
UID:10000065-1776069000-1776085200@ncsgeoresources.com
SUMMARY:Online Workshop on Deep Foundations – Lateral Analysis and Considerations for Induced Ground Deformations
DESCRIPTION:Deep foundations are designed to transfer load through unsuitable subsurface layers to suitable bearing strata. One of the key advantages of deep foundations is their ability to withstand significant lateral loads. When deep foundations are installed through a soil deposit undergoing consolidation\, the resulting relative downward movement of the soil around piles induces “downdrag” forces on the piles. If embankments are placed adjacent to deep foundations\, as in the case of bridge abutments\, “lateral squeeze” effects can induce significant unbalanced lateral forces on deep foundations. In the case of loose collapse-susceptible soils\, the moisture-induced soil collapse can have a significant lateral effect on deep foundations. Seismic events can generate lateral spread and liquefaction related ground deformations. Adjacent excavations can induce differential lateral forces on deep foundations. This workshop presents the lateral analysis of deep foundations and methods to evaluate various induced ground deformations in deep foundation designs. The presentation will be based on 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 deep foundations. 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: (a) principles of lateral analysis of deep foundations\, and (b) the types and effects of induced ground deformations on deep foundations. The workshop will help you assimilate the crucial considerations regarding these topics 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 design procedures for deep foundations 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) or a reflection (e.g.\, reading) assignment. \nSESSION 1 \n\nLoads and limit states\nSoil-structure interaction model\nStructural and geotechnical elements\nExample problem\nEquivalent cantilever model\nSteps for lateral load analysis\nExtreme Events\nSpecial considerations\nReview of Day 1\nInteractive Question and Answer (Q&A) session\nAssignment of classwork\nAdjourn\n\nSESSION 2 \n\nReview of classwork\nGeneral concepts and terminology for induced ground deformations\nDowndrag and drag load\nMoisture-induced collapse of soils\nLateral squeeze\nLateral spread\nExcavation-induced effects\nSummary and comments\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-on-deep-foundations-lateral-analysis-and-considerations-for-induced-ground-deformations/
LOCATION:Online
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260615T083000
DTEND;TZID=America/Phoenix:20260615T133000
DTSTAMP:20260408T065154
CREATED:20260106T215114Z
LAST-MODIFIED:20260106T215114Z
UID:10000062-1781512200-1781530200@ncsgeoresources.com
SUMMARY:Online Workshop: Construction of Drilled Shafts and Integrity Testing
DESCRIPTION:Drilled shafts are often a technically sound and cost-effective foundation choice where a deep foundation solution is appropriate based on-site conditions\, applied loads\, and performance requirements. To avoid adverse performance issues\, design of drilled shafts must be performed based on consideration of site-specific geologic conditions and construction methods. There are three basic methods for construction of drilled shafts.  These are (a) dry method\, (b) wet method and (c) casing method.  Each of these methods will be discussed in this workshop with emphasis on the wet (slurry) construction method. The pros and cons of mineral (bentonite) and polymer slurries will be discussed.  Guidance and opinions on slurry management and shaft bottom cleaning processes will also be presented.  Slurry construction method will be contrasted with dry and cased construction methods.  Placement of reinforcing cage and concrete will be discussed. Development of potential anomalies and integrity testing methods such as Crosshole Sonic Logging (CSL)\, Gamma Density Logging (GDL)\, and Thermal Integrity Profiling (TIP) will be discussed. Typical specification criteria for the construction methods and integrity testing will also be presented. \nUsing a collaborative and interactive learning approach\, this virtual workshop will help you understand: (a) the construction procedures for drilled shafts\, and (b) the importance of constructability considerations in design of drilled shafts. The workshop will help you assimilate these crucial considerations 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 construction procedures which would help you avoid costly design and construction errors in real-world projects. \n  \nSession 1 \n\nIntroductions\nGeneral terminology for drilled shafts\nTypical structural details\nOverview of construction methods\nDry shaft construction\nCased shaft construction\nWet shaft construction\nMineral and polymer slurries\nSlurry management\nShaft excavation and cleaning\nReview of Session 1\nInteractive Question and Answer (Q&A) session\n\nSession 2 \n\nRoadmap for Session\nReinforcing cage\nConcrete operations (free-fall\, gravity tremie\, pumped tremie\, etc.\nTolerances and checklists\nIntegrity testing – Crosshole Sonic Logging (CSL)\nIntegrity testing – Gamma Density Logging (GDL)\nIntegrity testing – Thermal Integrity Profiling (TIP)\nEffect of anomalies on performance of drilled shafts\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-construction-of-drilled-shafts-and-integrity-testing-2/
LOCATION:Online
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20260810T083000
DTEND;TZID=America/Phoenix:20260810T130000
DTSTAMP:20260408T065154
CREATED:20260106T215403Z
LAST-MODIFIED:20260106T215403Z
UID:10000063-1786350600-1786366800@ncsgeoresources.com
SUMMARY:Online Workshop: Soil Nail Walls - Design and Construction
DESCRIPTION:Soil nailing technology is versatile and has been widely used worldwide over the last 3 decades for temporary and permanent excavation support. The design and performance of soil nail walls are intricately linked with their construction procedures.  To avoid adverse performance issues\, design and construction processes for a soil nail wall must be tailored to specific geometry and the environment (conditions) expected over its specified lifetime. This workshop will help gain a better understanding of the design and construction procedures using concepts of limit states that will be indexed to the latest guidelines based on the Load and Resistance Factor Design (LRFD) methodology of the American Association of State Highway Officials (AASHTO) and Federal Highway Administration (FHWA). The contrast between LRFD and the Allowable stress design (ASD) methodologies will also be included. Design and construction (including field testing) aspects of Solid Bar Soil Nails (SBSNs) and Hollow Bar Soil Nails (HBSNs) will be discussed. \nUsing a collaborative and interactive learning approach\, this virtual workshop will help you understand soil nail walls’ design and construction aspects. You will learn newer design approaches based on the LRFD platform\, which is the basis for guidelines for soil nail walls by the American Association of State Highway and Transportation Officials (AASHTO) and the Federal Highway Administration (FHWA). The workshop will help you assimilate the design and construction aspects 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 newer design principles\, which will 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) or a reflection (e.g.\, reading) assignment. \nSession 1 of 2 \n\nIntroductions\nTerminology\, construction steps\, applications\, and explorations\nLimit states\, load factors\, and resistance factors\nService limit state (wall movements)\nStrength and Extreme Event limit states\nLimit Equilibrium (LE) analysis software tools\nCorrosion Considerations\nFacing (shotcrete)\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\nInformation for plans and specifications\nNail types and construction processes\nGrout and grouting\nNail testing and nail acceptance criteria\nClosure and References\nReview of Session 2 and full workshop\nInteractive Question and Answer (Q&A) session
URL:https://ncsgeoresources.com/event/online-workshop-soil-nail-walls-design-and-construction-2/
LOCATION:Online
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20261013T083000
DTEND;TZID=America/Phoenix:20261013T103000
DTSTAMP:20260408T065154
CREATED:20260106T215732Z
LAST-MODIFIED:20260106T220056Z
UID:10000064-1791880200-1791887400@ncsgeoresources.com
SUMMARY:Online Workshop: Spread Footings on Soil and Rock - Geotechnical Design Aspects
DESCRIPTION:Spread footings are often under-utilized in comparison to the costlier deep foundation systems. This workshop will include discussions about spread footings on soil and rock. The workshop will discuss the development of the bearing resistance chart that permits consideration of several limit states (settlement\, limiting eccentricity\, and bearing resistance) in one convenient format. Other limit states such as sliding will also be discussed. The presentation 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 spread footings. The 2020 version of AASHTO LRFD BDS includes new information on analysis of spread footings such as the construction-point concept and implementation of the SE load factor which accounts for the uncertainty in prediction of settlements. Information on Protection Index concept 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: (a) the analysis for spread footings on soil and rock\, and (b) the latest AASHTO LRFD guidelines for spread footings including the construction-point concept and the SE load factor. The workshop will help you assimilate these crucial considerations 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 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 \n\nIntroductions\nTerminology\, pressure distributions\, and limit states\nSliding stability\nLimiting eccentricity (overturning) stability\nBearing stability\nOverall (global) stability)\nSettlement\nBearing resistance and settlement chart\nReview of Day 1\nInteractive Question and Answer (Q&A) session\nAssignment of classwork\nAdjourn\n\nSESSION 2 \n\nReview of classwork assignments\nExample: Sizing a footing using a bearing resistance chart\nConstruction-point approach\nReliability of estimated settlements and the SE load factor\nDifferential settlement: Sf-0 and NPEC approaches\nDefinition of rock and rock mass\nExample: Sizing a footing on rock\nConsiderations for extreme events\nMaterial Deterioration: AASHTO Guide Specification\nClosure and references\nReview of Session 2 and full workshop\nInteractive Question and Answer (Q&A) session\nAdjourn\n\n 
URL:https://ncsgeoresources.com/event/online-workshop-spread-footings-on-soil-and-rock-geotechnical-design-aspects-day-2-of-2-3/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Phoenix:20261214T093000
DTEND;TZID=America/Phoenix:20261214T140000
DTSTAMP:20260408T065154
CREATED:20260106T220457Z
LAST-MODIFIED:20260106T220539Z
UID:10000066-1797240600-1797256800@ncsgeoresources.com
SUMMARY:Online Workshop: Mechanically Stabilized Earth (MSE) Walls – Limit State Based Design Principles
DESCRIPTION:Mechanically Stabilized Earth (MSE) walls are used extensively for grade-separation fill structures in many applications\, e.g.\, highways\, railways\, marine\, commercial\, etc. To avoid adverse performance issues\, design processes for an MSE wall must be tailored to specific geometry and the environment (conditions) expected over its specified lifetime. This workshop is geared towards development of a better understanding of design procedures using principles of limit states to ensure safe and serviceable MSE wall structures over specified lifetimes. More specifically\, this workshop is based on the Load and Resistance Factor Design (LRFD) methodology that is a North American version of the broader Limit State Design (LSD) approach. The design principles will be explained using wall geometries with level and sloped backfill configurations. The topic of complex geometries will be introduced. The presentation ends with a brief introduction to the design philosophy for the new MSE-LASR technology that permits consideration of Local Available Sustainable Resources (LASR)\, i.e.\, non-select or marginal fills. \nUsing a collaborative and interactive learning approach\, this virtual workshop will help you understand the design principles for MSE walls. You will learn newer design approaches based on the LRFD platform that is the basis for documents for MSE walls by the American Association of State Highway and Transportation Officials (AASHTO) and the Federal Highway Administration (FHWA). The workshop will help you assimilate the design principles 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 newer design principles 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) or a reflection (e.g.\, reading) assignment. \nSession 1 of 2 \n\nIntroductions\nTerminology and forces for MSE Walls\nLimit states and resistance factors\nApplicable loads and load factors\nConsideration of surcharges\nExternal stability (Strength and Service)\nInteractions within the MSE mass\nInteractive Question and Answer (Q&A) session\nAssignment of Classwork\nAdjourn for Classwork and Break\n\nSession 2 of 2 \n\nInternal stability (Strength)\nExtreme Event limit states (scour\, seismic\, and vehicle impact)\nIntroduction to complex MSE geometries\nIntroduction to the design philosophy for MSE-LASR technology\nReferences\nReview of  full workshop\nInteractive Question and Answer (Q&A) session\nAdjourn
URL:https://ncsgeoresources.com/event/online-workshop-mechanically-stabilized-earth-mse-walls-limit-state-based-design-principles-2/
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