16th International Workshop on Micropiles, Valencia, Spain 2025 – Proceedings

We are pleased to announce that the 16th Workshop proceedings are now available for download.

Special Lectures

  • 12th Lizzi Lecture
    • Introduction Mary Ellen Large, P.E., BC.GE | Nicholson Construction Company | United States
    • Presentation
  • You’ve Lost that Sinking Feeling: Nicholson Looks Back at Mandalay Bay Project
    • Tom Richards, P.E., BC.GE | Nicholson Construction Company | United States
    • Presentation
  • Lizzi Scholarship
    • Introduction – José-Luis Arcos Alvarez | Rodio Kronsa | Spain
    • Presentation
  • Hollow Precast Driven Pile Extended by a Micropile – Technique and Structural Aspects
    • Álvaro Villarino Redondo, M.Sc.| Rodio Kronsa S.L.U | Spain
    • Rafael Gil Lablanca, M.Sc.| Rodio Kronsa S.L.U | Spain
    • José Luis Arcos Álvarez, M.Sc.| Rodio Kronsa S.L.U | Spain
    • Paper
    • Presentation
  • Landmarks in the Development of ISM – A Quick History
    • Donald Bruce, Ph.D., BC.GE | Geosystems, L.P. | United States
    • Mary Ellen Large, P.E., BC.GE | Nicholson Construction Company | United States
    • Allen Cadden, P.E., BC.GE | Schnabel Engineering | United States
    • Paper
    • Presentation
  • Proposed Modified Davisson Criteria to Evaluate the Ultimate and Safe Service Loads for Micropiles
    • John Wolosick, P.E., BC.GE | Keller North America | United States 
    • Presentation
  • State of the Art of Micropiles in Spain 
  • Differing Site Conditions Claims on Micropile Projects in the Americas and Europe
    • Richard D. Kalson, Esq. | Cozen O’Connor Construction Law Practice Group | United States
    • Presentation
    • Alberto Fortún, Esq. | Cuatrecasas International Arbitration Practice Group | Spain
    • Presentation
  • Leveraging AI for the Integration of Field Data into Numerical Models in Geotechnical Engineering 
    • Cristian de Santos, Ph.D. | SAALG Geomechanics | Spain 
    • Presentation

World Cup of Micropiles 

  • Introduction
    • Natalia Maca, M.Sc. Ischebeck Titan Polska SP. Z O.O. | Poland 
    • Allan Herse | PCA Ground Engineering | Australia
  • Europe – High-capacity Micropiles in the San Ignacio Bridge
    • Pablo Ruiz-Terán, Ph.D. | Ferrovial Construction | Spain
    • Amadeo Vilar, S.E. | Dywidag | Spain 
    • Rodrigo Malo, S.E. | Cimsa | Spain
    • Presentation
  • South and Central America – Foundation of the General Manuel José Arce Bridge Joining El Salvador and Guatemala
    • Tomás Murillo Pérez, M.Sc. | INGEAP – Ingeniería Geotécnica Aplicada | Spain
    • Presentation
  • North America – Historic Low Battery Wall Rehabilitation, Charleston, South Carolina
    • Will Snow, Jr., P.E. | Palmetto Gunite Construction Company, Inc. | United States
    • W.L. “Bill” Snow, Sr. | Palmetto Gunite Construction Company, Inc. | United States
    • Presentation
  • Australasia – Future Proofing 330kV Circuits 1 & 2 between Murray and Dederang Using the Art and Science of Micropiles
    • Allan Herse | PCA Ground Engineering | Australia
    • Presentation
  • Africa and Central Asia – Optimised Combined Micropiled Post-Tensioned Raft Foundation (CMPRF) for Sabkha and Salt Dome Conditions: A Case Study in Jazan, Saudi Arabia
    • Hamzah Al-Hashemi, Ph.D. | GeoStruXer | Bahrain
    • Deepankar Choudhury, Ph.D. | IIT Bombay | India
    • Marwan Alzaylaie, Ph.D. | Dubai Development Authority | United Arab Emirates
    • Yassir Hussain, M.Sc | Friedr Ischebeck GmbH | Germany
    • Presentation

Session 1: Design Challenges and Numerical Analysis

  • Comparative Analysis of the Behaviour Between Piles and Micropiles through Static Load Tests in the Same Geological and Geotechnic Context
    • Marcelo Fernandes | Rodio Portugal | Portugal
    • Ana Teresa Rodrigues | Rodio Portugal | Portugal
    • José Luis Arcos | Rodio Kronsa | Spain
    • Rafael Gil | Rodio Kronsa | Spain
    • Ruben Ventura | Rodio Portugal | Portugal
    • Eric Mendes | Rodio Portugal | Portugal
    • Paper
    • Presentation
  • Foundations Solutions for the World Youth Day 2023 Main Stage Cover
    • Alexandre Pinto | JETsj Geotecnia Lda. | Portugal
    • Inêz Braz | JETsj Geotecnia Lda. | Portugal
    • Paper
    • Presentation
  • Micropile Foundation Reinforcement in Chile with Field Load Tests 
    • Juan Manuel Fernandez Vincent | Ferrara | Chile
    • Oscar Taiba, P.E. | Ferrara | Chile
    • Jaime Chiuminato Alcantara | Ferrara | Chile
    • Paper
    • Presentation
  • Adding a Lane…For Fish
    • Bryce Niekamp, P.E. | DBM Contractors | United States
    • Paul Groneck, P.E. | DBM Contractors | United States
    • Presentation
  • Micropile Underpinning of Davis-Besse Nuclear Power Station Cooling Tower
    • Terence P. Holman, Ph.D., P.E. | Geosyntec Consultants, Inc. | United States
    • Presentation
  • AETESS Presentation
    • Julio García Mina | AETESS | Spain

Session 2: Urban Construction and Rehabilitation

  • Challenges and Solutions in Urban Excavation: Underpinning and Preserving a Historic Building in Downtown Zapopan, Jalisco, Mexico
  • The Rehabilitation and Reinforcement of the Foros do Mocho Road-dam
    • Eonio Trindade, M.Sc. | T&B – Topics and Beats Uni. Lda. (ARCOS Engenharia) | Portugal
    • Freddy Lopéz, MSc.-Ing. | Tiroler Rohre GmbH | Austria
    • Paper
    • Presentation

Session 3: Case Studies

  • Review of Micropile Design Solutions in Western Canada
    • Andreas Siagris, M.Eng., P.Eng. | GeoPacific Consultants Ltd. | Canada
    • Matt Kokan, M.A.Sc, P.Eng. | GeoPacific Consultants Ltd. | Canada
    • Paper
    • Presentation
  • Earth Retention and Monitoring System for a Tied-back Wall of Tangent Micropiles Used in the Construction of a Hospital Situated on an Unstable Slope
    • Luis Fernando Raygada Rojas, Mg. Ing. | WSP Perú | Perú
    • Fernando Chavez Carmen | PUC Rio | Perú
    • Presentation
  • Using Micropiles to Rebuild Over Landslide Debris
    • Jeff Segar, P.E., S.E. | GeoStabilization International | United States
    • Presentation

Session 4: From Local Practice to Global Consensus: Standards and Innovation in Micropile Design, Construction, and Testing 

  • State of Art of Micropiles in the Netherlands
    • Erwin de Jong | Geobest B.V. | The Netherlands
    • Ad Vriend, M.Sc. | Acécon B.V. | The Netherlands
    • Paper
    • Presentation
  • An International Perspective on Design Code Development: How We Got to Where We Are
    • Allen Cadden, P.E., BC.GE | Schnabel Engineering | United States
    • Andreas Brandner, Dipl.-Ing. | IB-Brandner | Austria
    • Allan Herse | PCA Ground Engineering | Australia
    • Natalia Maca, M.Sc. | Ischebeck Titan Polska | Poland
    • Naresh Gupersaud | Keller-North America | Canada
    • Paper
    • Presentation
  • Practical Implications of the Second Generation of Eurocode 7 and Corresponding European Standards for Micropile Foundation Design 
    • Natalia Maca, M.Sc. | Ischebeck Titan Polska | Poland
    • Presentation
  • Factors Influencing the Development of Micropile Construction Techniques: A Thirty-year Perspective 
  • GEC-16: Development of Resistance Factors for LRFD Design of Micropiles
    • Jésus Goméz, Ph.D., P.E., BC.GE | GEI Consultants | United States
    • Helen Robinson, P.E., PMP, BC.GE | GEI Consultants | United States
    • Presentation

Session 5: Historic Renovation

  • Micropiles for Cantilevered Structures: Preserving the Natural Environment
    • Diego Gomez, M.Sc. | Dragados SA | Spain
    • Manuel Pita Olalla, M.Sc. | Dragados SA | Spain
    • Presentation
  • Foundation Micropiles for the Renovation of Estadio de la Cerámica, Villarreal F.C. Ownership, in Villarreal, Castellón
  • Foundation Reinforcement of a 119 Years Building in Curitiba, Brazil
    • Luiz Henrique Felipe Olavo, M.E. | ENSOLO Engenharia de Solos e Fundaҫöes Ltda | Brazil
    • Paper
    • Presentation

Session 6: The Role of Micropiles in a More Sustainable Deep Foundations Industry

  • Towards a More Sustainable Micropile Practice 
    • Freddy Lopéz, MSc.-Ing. | Tiroler Rohre GmbH | Austria
    • Erich Steinlechner | Tiroler Rohr GmbH | Austria
    • Paper
    • Presentation
  • Sustainable PV-Project for a Cablecar
    • Andreas Brandner, Dipl.-Ing. | IB-Brandner | Austria
    • Presentation
  • Corrosion Protection for Hollow Bar Micropiles
    • Florian Hude | DSI Underground Austria GmbH | Austria
    • Matthias Rebhan, Dipl.-Ing. Dr.techn. | Graz University of Technology | Austria
    • Presentation
  • The Art and Science of Micropiled Wind Turbine Foundation Design
    • Neil Jacka, C.PE | Total Ground Engineering | New Zealand
    • Presentation
  • Sustainability Aspects of Self-drilling Micropiles
    • Björn Ischebeck, Dipl. Wi-Ing. | Friedr. Ischebeck GmbH | Germany
    • Alexej Junker | Friedr. Ischebeck GmbH | Germany
    • Paper
    • Presentation
  • Portland Limestone Cement (PLC) Grout for Micropile Applications
    • Helen Robinson, P.E., PMP, BC.GE | GEI Consultants | United States 
    • Jésus Goméz, Ph.D., P.E., BC.GE | GEI Consultants | United States
    • Presentation

Session 7: Innovations and Applications

  • The Response of Fiber Composite Reinforced Micropiles Under Uplift Loads 
    • Darren Newell, Ph.D., CPEng, NER, RPEQ | SMEC Australia | Australia
    • Choo Yong, Ph.D. | SMEC Australia | Australia
    • Paper
    • Presentation
  • The Use of Micropiles to Get Necessary Embedment in Diaphragm Walls Built in Hard and Rocky Soils Studied with FEM Models
    • Sergio Martínez Alfaro | Cimenter | Spain
    • Román Martín Martín | Ingeciber | Spain
    • Paper
    • Presentation
  • DFI-ADSC Micropile Committee Update 
    • Helen Robinson, P.E., PMP, BC.GE | GEI Consultants | United States
    • Presentation

Session 8: New Research

  • Development of a Predictive Model for Soil-Grout Bond Strength in Micropiles Based on Load Test Data Analysis in Cohesive Soils of La Ceja, Antioquia, Colombia
  • Flexural Strength of Micropile Threaded Joints Subjected to Combined Axial and Bending Loads
    • Sebastian Montoya-Vargas, Ph.D. | University of Maine | United States
    • Aaron Gallant, Ph.D., P.E. | University of Maine | United States
    • William G. Davids, Ph.D., P.E. | University of Maine | United States
    • Presentation
  • Execution of Pull-out Tests and Exhumations on Self-drilling Micropiles for Future Optimizations in Foundation Designs for Transmission Lines
    • Björn Ischebeck, Dipl. Wi-Ing. | Friedr. Ischebeck GmbH | Germany
    • Pablo Ruiz-Terán, Ph.D. | Ferrovial Construction S.A. | Spain
    • Paper
    • Presentation

Session 9: Case Studies

  • An Atypical Micropile Project and a Novel Pile Load Test
    • John R. McKinnon | Hub Foundation Company, Inc.| United States
    • Anthony C. Barila, P.E. | Hub Foundation Company, Inc.| United States
    • Ahmad El Khatib | Hub Foundation Company, Inc.| United States
    • Presentation
  • Use of Micropiles for Displacement Control in Deep Urban Excavations: Experiences In Buenos Aires 
    • Alfredo Lopez, P.Eng. | srk consulting Argentina | Argentina
    • Pedro Fernandez, P.Eng. | srk consulting Argentina | Argentina
    • Manuela Boyero | srk consulting Argentina | Argentina
    • Paper
    • Presentation
  • Compression Piles in Near Vicinity of Oil Company Office Building – Advantages of Simultaneously Drilled and Grouted Hollow Bars
    • Helen Andersson, Ph.D. | SWECO | Norway
    • Per Stenhamar, M.Sc. | SWECO | Norway
    • Jon Endre Flåtten, M.Sc. | FAS | Norway
    • Presentation
  • Real Madrid Santiago Bernabeu Stadium Remodeling Project