1. An Introduction to Pandrol’s PANGUARD System

2. Pandrol PANGUARD
The PANGUARD assembly for concrete ties or slab track is constructed as follows…

3. Cast iron plate with stems and shoulders …

4. … cast into concrete tie or slab

5. Natural rubber wedges support rail …

6. … and are in turn supported by cast iron side plates …

7. … which are locked in place with cast iron wedges …

8. … spring steel clips locate these for added security …

9. … and a natural rubber overload pad prevents excessive deflection

10. PANGUARD on concrete ties, ready for
installation on London Underground

11. Pandrol PANGUARD baseplate for London Underground
Same performance …
… easier to install

12. Test of a competing system
with very resilient baseplate pad,
and virtually all lateral load
taken by the anchor bolts.
0.079 inch
inch

13. PANGUARD – Tested under same
load. More vertical resilience with
1/10 of the lateral deflection, and
minimal shear load on anchor bolts.
0.011 inch
0.104 inch

14. Testing PANGUARD for the London Underground

15. Testing PANGUARD for the London Underground

16. Testing PANGUARD for the London Underground

17. Testing PANGUARD for the London Underground

18. PANDROL PANGUARD ON LONDON UNDERGROUND
Area with perceptible vibration
… with PANGUARD installed!
PANDROL PANGUARD ON LONDON UNDERGROUND