Foundations and underground construction
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Dr Mandy Korff is an expert in the field of geotechnical engineering, more specifically in soil structure interaction, deep excavations and foundation engineering.
With over 20 years of experience in Deltares, Dr. Korff mainly works in the field of foundations and underground construction, geotechnical risk management and the impact of construction/subsidence/earthquakes on structures. Many of the projects she works on, such as the Amsterdam Subway, include some sort of forensic engineering.
Mandy Korff received her PhD in 2013 from the University of Cambridge, where she worked with professor Robert Mair on the Response of Piled Buildings to the Construction of Deep Excavations. She combines her function as Strategic Advisor and member of the Deltares Science Council at Deltares with an Associate Professorship at TU Delft in the field of Geotechnical Practice.
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|2008 - Present||Deltares||Strategic Advisor and member of the Deltares Science Council (currently 0.4 fte)|
|2015-present||TU Delft||Associate Professor of Geotechnical Practice (0.4 fte)|
|2000 - 2008||GeoDelft||Foundation and Underground Engineering|
Quay wall and bridges program Amsterdam. Program to come to innovation in the priorization and replacement of quay walls in Amsterdam. Joint program with TU Delft, TNO, Deltares, AMS Institute and City of Amsterdam.
The Netherlands, 2019 - Present
Activities: knowledge agenda, interpretation of pile load testing, forensic engineering of collapse of the Grimburgwal
collapse, full scale test.
Influence of subsidence on foundations related to droughts and climate change
The Netherlands, 2019-Present
Activities: developing model for impact subsidence on foundations, reporting, reviewing.
IMG project for building damage related to indirect effects of deep subsidence
The Netherlands, 2021
Activities: reviewer of highly sensitive project on damages related to houses at the edge of the
gasfields in Groningen
LOSS – Living on Soft Soils – NWA project
Living on soft soils; subsidence and society
The Netherlands, 2019 - 2024
Activities: PhD co-promotor and PD supervisor, with the aim to develop methods to deal with
subsidence in the Netherlands more effectively.
Turnkey (EU H2020) project to come to more effective stakeholder response related to earthquakes.
The Netherlands, 2019 - 2022
Activities: reviewer for casestudy/testbed in Groningen. TURNKEY is specifically concerned with the
vulnerability of infrastructures on soft soils. Securing of funding through EU and Ministery of
Economic Affairs. Access to international network.
Review of issues with GEWI piles Amsterdam
The Netherlands, 2017 and 2020
Activities: second opinion on the claim of a contractor for additional work related to the capacity of micropiles (GEWI type) in a deep excavation in Amsterdam
Influence of shallow subsurface on the hazard related to induced earthquakes in Groningen, The Netherlands for NAM
The Netherlands, 2014 - Present
Activities: projectcoordinator, liquefaction, site response, peat properties, geological modelling and
geotechnical parameters. Several reports and papers have been published (www.nam.nl and list of
Member NPR committee for National Application Document for Eurocode 8 for NEN Delft
The Netherlands, 2013-2020
DeepNL Softtop project - Program to come to better understanding of the subsoil effects related to earthquakes in Groningen. SOFTTOP is specifically concerned with the potential for liquefaction in case of layered and heterogenous soils.
The Netherlands, 2018-2022
Activities: co-promotor PhD student.
Client: Ministry of Economic Affairs. Main project features: Study into the response of critical infrastructure to induced earthquakes in the Groningen gas field. Positions held: project coordinator
The Netherlands, 2013
Activities : provide specialist input for EC8 implementation for Groningen in NPR committee,
specialist input on soil structure interaction. Member of Working Group and Task Group leader for
Foundations and Liquefaction.
Client: PUB Main project features: Marina Barrage investigation Positions held: senior advisor Activities performed: investigation into geotechnical issues relating to the Marina Barrage and the effect of construction works (MRT) on site.
Singapore, 2011 - 2012
Member of review board Tunneling project Spoorzone Delft Client: OBS Delft Main project features: 4 track railway tunnel in historic city centre Positions held: Member of review board Activities performed: review monitoring system, interpretation data.
The Netherlands, 2009 - 2013
Member of expert group on building response “Noord/Zuidlijn” Client: DIVV City of Amsterdam Main project features: subway tunnel in historic city centre, deep stations Positions held: Member of expert group Activities performed: risk assessment of building damage and selection of appropriate remedial measures.
The Netherlands, 2009 - 2013
Management of DeltaBrain development: www.deltabrain.nl Client: Deltares and platform contractors and consultants Main project features: decision support and expert system Positions held: group manager Activities performed: guide innovation.
The Netherlands, 2007 - 2013
Strategic advisor for deep stations “Noord/Zuidlijn”, subway in Amsterdam Client: DIVV City of Amsterdam Main project features: subway tunnel in historic city centre, deep stations Positions held: Strategic Advisor to the client Activities performed: review design, monitoring and interpretation, risk assessment of possible building damage, forensic engineering of two damage cases.
The Netherlands, 2003 - 2013
Name of assignment or project: Independent research on damage and repair of building pit in Middelburg Client: city of Middelburg Main project features: deep excavation with adjacent building, damaged due to leakage problems Positions held: Strategic forensic advisor Activities performed: Review design and construction works, forensic reporting on cause of damage and repair.
The Netherlands, 2005 - 2007
Name of assignment or project: Risk assessment projects for building pits for underground parkings (Vlissingen, The Hague) Client: city of Vlissingen Main project features: deep excavations in city centre Positions held: project leader, team leader Activities performed: design and construction review and supervision.
The Netherlands, 2004 - 2009
Project manager Delft Cluster Research “New perspective for foundations and building pits”, 4 M€ cooperation between GeoDelft, Delft University, TNO and commercial partners Client: Delft Cluster research program Main project features: research into axially loaded piles, laterally loaded piles, deep excavations and monitoring. Positions held: Project Manager Activities performed: Project management.
The Netherlands, 2004 - 2008
Research into sample disturbance Client: NGI Main project features: field and laboratory testing Positions held: researcher Activities performed: field and laboratory testing and interpretation.
2020 Reliable InSAR satellite monitoring of buildings near inner city quay walls
Arjan A.M. Venmans, Martin op de Kelder, Jarco de Jong, Mandy Korff
TISOLS Conference Delft 2020
2020 Systematic assessment of damage to buildings due to groundwater lowering-induced subsidence: methodology for large scale application in the Netherlands
A.L. Costa, S. Kok, M. Korff
TISOLS Conference Delft 2020
2020 Bayesian inference for deep excavations
W.J. de Wolf, M. Korff, A. van Seters, J.H. van Dalen
TC204 Conference Cambridge 2020
2020 Evaluation of InSAR data for measuring the surface settlement during shield tunnel construction of the North-South Line in Amsterdam
K.J. Reinders, F.J. van Leijen, R.F. Hanssen and M. Korff
TC204 Conference Cambridge 2020
2019 Combined subsidence phenomena in high-rise built urban areas: numerical study for Frankfurt am Main
Nicodemo, Peduto, Korff
Empirical fragility curves for settlement-affected buildings: Analysis of different intensity parameters for seven hundred masonry buildings in The Netherlands,
Dario Peduto, Mandy Korff, Gianfranco Nicodemo, Antonio Marchese, Settimio Ferlisi,
Soils and Foundations, Volume 59, Issue 2, 2019, Pages 380-397, ISSN 0038-0806,
2017 Building damage related to Amsterdam subway; comparison of traditional monitoring with satellite monitoring results
Mandy Korff, Jos Maccabiani
EurOTUN 2017, Innsbruck, Austria
2017 Learning from case studies and monitoring of Dutch tunnel projects, Mandy Korff
Proceedings of the Institution of Civil Engineers
2017 Case Studies and Monitoring of Deep Excavations
Proceedings of the International Conference on Geotechnical Aspects of Underground
Construction, TC204 Sao Paolo, Brazil
2013 Response of Piled Buildings to the Construction of Deep Excavations, Mandy Korff
IOS Press , ISBN: 978-1-61499-273-8
2011 Building damage and repair due to leakage in a deep excavation Mandy Korff, Robert Mair, Frits van Tol, Frank Kaalberg
Forensic Engineering Journal, ICE, December 2011
Observational Method applications
SWOT analysis. Mandy Korff, Erwin de Jong (GeoBest), Thomas Bles (Deltares)
Response of piled buildings to deep excavations in soft soils
Proceedings ISSMGE conference Paris, France (in print). Mandy Korff, Robert Mair (Cambridge University)
Ground displacements related to deep excavation in Amsterdam
Proceedings ISSMGE conference Paris, France (in print). Mandy Korff, Robert Mair (Cambridge University).
Failure cost analysis of 50 deep excavations in The Netherlands
Proceedings ISSMGE conference Paris, France (in print). Mandy Korff, Frits van Tol (Delft University of Technology), ICE Forensic Engineering Conference, April 2013, London.
Validating and Improving Models for Vibratory Installation of Steel Sheet Piles with Field Observations
A.M.J. Mens, Mandy Korff, Frits van Tol (Delft University of Technology). Geotechnical and Geological Engineering. DOI 10.1007/s10706-012-9506-5.
Building damage and repair due to leakage in a deep excavation
Mandy Korff, Robert Mair (Cambridge University), Frits van Tol (Delft University of Technology), Frank Kaalberg (Witteveen + Bos). Forensic Engineering Journal, ICE, 2011
Response of piled buildings to deep excavations; hypothesis of soil structure interaction
Mandy Korff. Proceedings of the technical meeting TC207 ISSMGE Dubrovnik 2011
Ground and building movements during predrilling activities
Mandy Korff, Richard de Nijs (Witteveen+Bos), John Kimenai (Delft University of Technology) FMGM conference Berlin 2011
The response of piled buildings to deep excavations
Mandy Korff, Robert Mair (Cambridge University), Frits van Tol (Delft University of Technology) Proceedings TC28 conference Rome, Italy
Building damage and corrective grouting
Research at North South line project in Amsterdam. Adam Bezuijen, Mandy Korff Dutch Journal Geotechniek, special edition 2009
Building damage examples due to leakage at a deep excavation in Amsterdam
Mandy Korff, Robert Mair (Cambridge University), Frits van Tol (Delft University of Technology), ICSMGE Alexandria Egypt
The education of geotechnical engineers should incorporate risk management
Frits van Tol, Mandy Korff1, Martin van Staveren (Deltares) ICSMGE Alexandria Egypt
Guideline for monitoring and Quality Control at Deep excavations
Guideline for monitoring and Quality Control at Deep excavations (co-auteur). T.J. Bles, A. Verweij, J.W.M. Salemans & M. Korff (Deltares), O. Oung, H.E. Brassinga (Rotterdam), T.J.M. de Wit (Geomet) IS-Gifu, Japan
Piled walls in The Netherlands (in Dutch)
Mandy Korff, Frits van Tol (Delft University), Erwin de Jong (VolkerWessels Stevin Geotechniek) Cement Journal
Quality control at deep excavations saves money, lives and/or reduces risks (In Dutch)
Mandy Korff, Thomas Bles (Deltares) Cement Journal
|2020 - Present||Member||Advisory Panel Journal ‘Geotechnique’|
|2018 - Present||Member||“Adviescommissie Schade Grondwater” (Advisory Committee Damage Groundwater), independent expert advisory committee for the twelve Dutch Provinces to give advice on claims from citizens to parties with a license to lower the groundwater (for example for drinking water or construction).|
|2010 - Present||Member||International technical committees of ISSMGE TC204 Underground Construction in Soft Soils TC206 Interactive Geotechnical design TC207 SoilStructure Interaction and Retaining Walls|
|2004 - Present||Member||Dutch standardisation committee Geotechnics|