Jet Grouting Wentworth Institute of Technology | Beatty Hall | - - PowerPoint PPT Presentation

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Jet Grouting Wentworth Institute of Technology | Beatty Hall | - - PowerPoint PPT Presentation

haywardbaker.com Jet Grouting Wentworth Institute of Technology | Beatty Hall | Boston, MA Kevin Dawson, PE, Vice President, New England Area Manager Presentation Overview Overview of jet grout underpinning Overview of risk and reward


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haywardbaker.com

Jet Grouting

Wentworth Institute of Technology | Beatty Hall | Boston, MA

Kevin Dawson, PE, Vice President, New England Area Manager

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Presentation Overview

  • Overview of jet grout underpinning
  • Overview of risk and reward of jet grout underpinning
  • Project Summary - Holyoke Medical Center
  • Conclusions
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An erosion based ground improvement system used to create in situ cemented geometries of soil and binder (Soilcrete).

Jet grouting is…

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Existing Footings

~ Soilcrete ~

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Risks and Rewards of Jet Grout Underpinning Versus Pit Underpinning

Rewards

  • Reduced schedule
  • Reduced cost
  • Adaptable to challenging

geometry Risks:

  • Heave/settlement
  • Ability to measure structure

response and react

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Risk Reward Relationship

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Holyoke Medical Center Emergency Department Expansion

Owner – Holyoke Medical Center Architect - SMRT Construction Manager – G. Greene Construction Site Contractor – A.J. Virgilio Underpinning Contractor – Hayward Baker, Inc.

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Installed Liquid Level Settlement Monitoring System

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Test Column Installation

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Confirmed Geometry

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Jet Grout Production

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Drilled Tiebacks Through Soilcrete

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Final Excavation

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