Tyre Blocks in Construction
A Wide Range of Applications. Roads Over Soft Ground,
Slope Repairs, Retaining Walls and River & Flood Protection
Tyre Flood Defence Project, River Witham 2003
Flood Defence Embankments
Over 12,000 PAS 108 Tyre Blocks were used in this project. The completed job won the prestigious Flemming award sponsored by Skanska Cementation Foundations. The construction focused on strengthening and refurbishing the flood defence embankments between Lincoln and Boston in Lincolnshire. The construction took only 4 months and ran for around 1.5km of the river embankment. Something that would not have been possible using conventional clay materials.
An embankment reinforced using PAS 108 Tyre Blocks will prevent a major breach caused by Overtopping
Tyre Flood Defence Project, River Witham 2022
Nineteen years after the completion of the project, after being subjected to severe weather and flooding conditions in the local area, the embankment project has been 100%
effective in preventing breaching.
Tyre Block (PAS 108) Potential
The manufacture of PAS 108 Tyre Blocks and their variety of uses in the construction industry is a highly effective and beneficial use of end of use tyres, and has considerable potential for the future.
Pevensey Bay Beach Regeneration Project
This project took place in 2002. Pas 108 blocks were buried underneath the beach , saving virgin aggregate.
(More information on this project is available)
Pevensey Bay Beach Regeneration Project 2022
This project took place in 2002. This is how it looks today 20 years on with Pas 108 blocks buried underneath the beach, saving virgin aggregate.
A421 Road Project ( Balfour Beatty) 2010
5,500 Pas 108 Tyre Blocks were used in a section of the A421 at Bedfordshire. This section of the project won the prestigious Fleming award.
Access Road over Soft Ground
The location of the landfill site is at a former sand and gravel quarry near the Moray Firth. Situated 5m to 5.5m above Ordnance Datum with low-lying parts of the site subject to winter flooding due to seasonal variation in the groundwater level.
An extension to the road was required to service a new landfill cell. The surface of the existing haul road is 6.15m above Ordnance Datum (AOD), up to 1.5m of upfill (average 1.0m) was required to ensure the new road was not subjected to flooding in the winter.
Landfill Cell Drainage Layer Project
An example of a landfill cell drainage layer project using PAS 108 Tyre Blocks. Method statements are available for synthetic and clay liners.
The above project examples exploit the key characteristics of PAS 108 Tyre Blocks. For example, their lightweight, their high porosity and permeability, the fact they are relatively inert, their ease of handling plus their versatility.
Driving over a Landfill Cell Drainage Layer
Due to the low density of the PAS 108 Tyre Blocks in combination with their relatively low cost, means that it may be possible to make economically viable repairs to infrastructure that may otherwise have remained unrepaired or even have been closed.