New perspective for foundations

Products of knowledge

Recommendation between standard and practice From uncertainty to reliability What is it? CUR guideline. What can we use this for? • We show the background and status of geotechnical standards, guidelines, guiding principles, and their mutual connection. • We provide insight into the safety and reliability of the design. • We provide information and illustrate how the design can be optimised. • We can now make better use of any flexibility between the calculation rules and the minimal requirements for foundations. Who will be interested? Principals, engineering consultants, building contractors, supervisory bodies, and insurers. More information antoine.feddema@deltares.nl

Design method guideline for horizontal soil deformation Guideline with practical values What is it? A design guideline to protect existing buildings again horizontal soil deformation, for example that may be caused by elevating the height of roads and dikes, or archaeological digs. What can we use this for? We now have the tools for predicting horizontal soil deformation and to design piles that are horizontally loaded by soil. We have improved the predictability of horizontal soil deformation, and in doing so have decreased the effect on foundations of existing buildings. The knowledge gained has been incorporated in the PAO/Deltares course ‘Piled foundations for structures’. Who will be interested? Principals, engineering consultants, building contractors, supervisory bodies, and insurers. More information antoine.feddema@deltares.nl mandy.korff@deltares.nl

Implementation guideline for rapid pile test + interpretation Rapid pile tests: cheaper and more reliable What is it? There is a large need for cheap and reliable methods to measure the actual bearing capacity of piles. The rapid pile test is one such inexpensive method. Using this guideline, the rapid pile test can be carried out reliably and falls under the European standards. A widely applicable interpretation method (including a manual explaining its interpretation), in the form of an English-language CUR guideline that links up with Eurocode 7 and forms the basis for a National annex. What can we use this for? • A concept standard within the Eurocode 7 for performing a rapid pile test. • A guideline for interpreting a rapid pile test. • A database for validating the calculation method. The knowledge gained is incorporated in the PAO course ‘Eurocode 7: Geotechnology’ and in the PAO course ‘Piled foundations for civil structures’. Who will be interested? Principals, engineering consultants, building contractors, supervisory bodies, and insurers. More information paul.holscher@deltares.nl frits.vantol@deltares.nl

Monitoring plan for construction pits Construction pit monitoring as a remedy for failure costs and damage to reputation What is it? Guideline to improve the practice of monitoring construction pits. What can we use this for? The guideline contains points that need to be improved and considered to ensure successful monitoring. • To inventorise and link implementation risks and monitoring techniques. • The information necessary to establish an effective monitoring plan that is risk-driven. • Contractual embedding of monitoring. • Who is responsible. Knowledge related to the monitoring of construction pits is collated and mapped out.   Who will be interested? Principals, engineering consultants, building contractors, supervisory bodies, and insurers. More information thomas.bles@deltares.nl