1. LOAD TRANSFER SYSTEM ANALYSIS IN UNDERPINNING
Jouko Lehtonen
LOAD TRANSFER SYSTEM ANALYSIS IN UNDERPINNING
IWM Jouko Lehtonen

2. Duration of the underpinning project
INTRODUCTION
The first analysis on load transfer system in underpinning was introduced by Dr Ismo Tawast, TUT 1993
The analysis has been updated and enlarged in the DATU project at Turku Polytechnic
The load transfer system has many impacts to superstructures and implementation of underpinning
Settlements
Costs
Duration of the underpinning project
IWM Jouko Lehtonen

3. TOTALLY 9 DIFFERENT BASIC TYPES HAVE BEEN IDENTIFIED IN 2 CATEGORIES:
SETTLING SUPERSTRUCTURE
NON-SETTLING SUPERSTRUCTURE
IWM Jouko Lehtonen

4. SETTLING SUPERSTRUCTURE
IWM Jouko Lehtonen

5. Load transfer system No. 1
Column
Wall
IWM Jouko Lehtonen

6. Load transfer system No. 2
Column
Wall
IWM Jouko Lehtonen

7. Load transfer system No. 8
Column
IWM Jouko Lehtonen

8. NON-SETTLING SUPERSTRUCTURE
IWM Jouko Lehtonen

9. Load transfer system No. 3
Column
Wall
IWM Jouko Lehtonen

10. Load transfer system No. 4
Column
Wall
IWM Jouko Lehtonen

11. Load transfer system No. 5
Column
Wall
IWM Jouko Lehtonen

12. Load transfer system No. 6
Column
Wall
IWM Jouko Lehtonen

13. Load transfer system No. 7
Column
Wall
IWM Jouko Lehtonen

14. Load transfer systems No. 9A and 9B
Column
Column
IWM Jouko Lehtonen

15. THANK YOU FOR YOUR ATTENTION!
IWM Jouko Lehtonen