Automation of Pile Foundation Design Post-Processing to Produce Pile Plans-PPT Presentation

PPT Presentation

Pdf Summary

This presentation describes an automated tool for post-processing pile foundation designs and generating draft pile plans using CPT data and pile loads, following the NEN 9997-1 design procedure.<br /><br />Pile bearing capacity is calculated for each CPT. Correlation factors account for variability in ground conditions, while grouping or zonation helps apply the appropriate factors to local areas. The tool uses four inputs: CPT coordinates, pile locations and loads, calculated bearing capacities, and a user-defined number of CPTs per zone. It produces a draft pile plan and a detailed results table with remarks.<br /><br />Two projects near Amsterdam demonstrate the approach. In Case Study 1, with 25 CPTs and about 550 piles, the tool used individual pile loads and grouping/zonation. It proposed shallower pile tip levels than current practice, reducing total pile length by approximately 1 km. In Case Study 2, with 28 CPTs and about 450 piles, a global design load was used to isolate the effect of grouping/zonation. The resulting shallower tip levels reduced total pile length by approximately 1.5 km.<br /><br />The approach makes efficient use of CPT and pile-load data, can reduce design time, and can accommodate changing loads during project development. Potential benefits also include shorter installation times and improved logistics. Limitations include the possibility of a complex pile plan with varying tip levels, and the fact that the generated plan is theoretical and must be reviewed by a design engineer. Future work includes simplifying pile plans, incorporating load–settlement relationships, and adapting the tool for use in other countries.

Keywords

pile foundation design

CPT data

NEN 9997-1

post-processing tool

pile bearing capacity

draft pile plan

correlation factors

grouping zonation

pile loads

case studies Amsterdam