Key Skills
- Independent
- Lime & cement stabilisation
- In-situ and ex-situ recycling
- Roller compacted concrete
- Industrial by-products
- Hydraulic binders inc. slag
- Pozzolans & Fly Ash
- Pavement design
- European standards
- Binders for erosion control
- Training & presentations
News
Sept 2008
John Kennedy launches dedicated web site on Hydraulically Bound Mixtures. Visit site
May 2005 Working with BRE, completion and dissemination of WRAP project on ‘Promoting the use of applications incorporating recycled and secondary aggregates in hydraulically bound materials’.
May 2005 Co-author of recently published BRITPAVE guidelines for the ‘Stabilisation of sulfate-bearing soils’.
May 2005 Working with Capita-Symonds and Edmund Nuttall, the finalisation of the pavement design for the Highways Agencys ‘A421 Great Barford Bypass’.
May 2005 Working with BRE, completion and dissemination of WRAP project on ‘Promoting the use of applications incorporating recycled and secondary aggregates in hydraulically bound materials’.
May 2005 Co-author of recently published BRITPAVE guidelines for the ‘Stabilisation of sulfate-bearing soils’.
May 2005 Working with Capita-Symonds and Edmund Nuttall, the finalisation of the pavement design for the Highways Agencys ‘A421 Great Barford Bypass’.
Selected Papers & Presentations.
Selected Papers & Presentation
1983.
Cement-bound materials for sub-bases and roadbases.
Cement and Concrete Association, 46.027. Revised
British Cement Association, 2000
1988.
Phosphoric slag for roadbases and sub-bases.
Data sheet 9. Civil & Marine Ltd, Purfleet,
Essex, UK.
1989.
Slag bound roadbases. 10th National Workshop
on Engineering a Better Pavement, Institution
of Highways and Transportation, Royal Leamington
Spa, England
1991,
September. Developments with hydraulic binders.
Port and Heavy Duty Pavements. The Institution
of Civil Engineers. University of Nottingham.
1993. ‘Pavement
Quality Concrete’. Proceedings of Conference
on Road Making Materials. The Institution of
Engineers of Ireland, Dublin, Ireland.
1994.
Kennedy J and Oleson R W. The performance of
roads reconstructed by cold in-situ recycling
1985-1987. General Information Report 17. ETSU,
Harwell, UK.
1997.
Energy minimisation in road construction and
maintenance. General Information Report No 49.
ETSU, Harwell, Oxfordshire, UK.
1999.
Higgins DD and Kennedy J. ‘Lime and ground
granulated blast-furnace slag stabilisation of
boulder clay on the A412 Tingewick Bypass’.
Proceedings 3rd European Symposium on the performance
and durability of bituminous materials and hydraulic
stabilized composites. University of Leeds, UK.
1999. ‘The
mechanical behaviour, design and economics of
FABM (fly ash bound mixtures) pavements’.
Proceedings 3rd European Symposium on the performance
and durability of bituminous materials and hydraulic
stabilized composites. University of Leeds, UK.
1999. ‘Lime
stabilisation in the UK’. Partek Nordkalk
seminar on lime stabilisation. Malmo, Sweden.
2002,
November. ‘Lime as an activator for coal
fly ashes’. ERMI Workshop on industrial
by-products in Infrastructure. UKK-Institute,
Tampere, Finland.
2002,
September. ‘Cement stabilization in the
UK’. 1 day seminar on Soil stabilization.
Institution of Engineers of Ireland. Dublin and
Cork, Ireland.
Other
Technical Contributions
1983. ‘Cement
bound minestone – users guide for pavement
construction’. Member of drafting working
party. Minestone Services, Tyne and Wear, UK.
1991-2000.
Technical organiser for British Lime Association
seminars on the use of lime in road construction
including lime/pfa and lime/slag combinations.
1992.
Consultant to British Cement Association & Britpave
re TRL work for DoT project: 'Factors affecting
the long life design of flexible composite roads'.
This resulted in changes to the DoT's pavement
design document.
1992–97.
Steering committee for DoT research project (LINK
1) 'Stabilised sub-bases in road foundations'.
Published as TRL report 248.
1992–99.
Steering committee for DoT research project (LINK
11) 'Enabling the use of secondary aggregates
and binders in road foundations'. Published as
TRL report 408.
1997.
Consultant to TRL Highways Agency Project PR/CE/27/97
'Recommendations for the design of flexible composite
pavements' by A R Parry.
1997-2003.
Consultant to UKQAA for technical data sheets:
# Technical data sheet 6: Fly ash bound mixtures (FABM) for road & airfield pavements
# Technical data sheet 6.2: Laboratory mixture design for lime activated fly ash bound mixtures (FABM) for sub-base and roadbase
# Technical data sheet 6.3: The use of GFA (planings treated with lime and fly ash) for the A52 Kingsley to Froghall Reconstruction, Staffordshire
# Technical data sheet 6.4: Run-of-station PFA in CBM3/4/5
# Technical data sheet 6.5: LFA for capping and sub-base
# Technical data sheet 6.6: The structural design of GFA pavements for roads
# Technical data sheet 6.9: The role of PFA for enhanced stabilized capping
# Technical data sheet 6: Fly ash bound mixtures (FABM) for road & airfield pavements
# Technical data sheet 6.2: Laboratory mixture design for lime activated fly ash bound mixtures (FABM) for sub-base and roadbase
# Technical data sheet 6.3: The use of GFA (planings treated with lime and fly ash) for the A52 Kingsley to Froghall Reconstruction, Staffordshire
# Technical data sheet 6.4: Run-of-station PFA in CBM3/4/5
# Technical data sheet 6.5: LFA for capping and sub-base
# Technical data sheet 6.6: The structural design of GFA pavements for roads
# Technical data sheet 6.9: The role of PFA for enhanced stabilized capping
1999-/2000.
Preparation of specification and guidance notes
for hydraulically-bound materials/soils for BAA
(British Airports Authority)
2000-2003.
Technical consultant to British Lime Association
for technical literature:
# Specification data sheet 1: Earthworks improvement
# Technical data sheet 3: Pavements.
Quarry Products Association, London, UK.
# Specification data sheet 1: Earthworks improvement
# Technical data sheet 3: Pavements.
Quarry Products Association, London, UK.
2001.
Technical consultant to Pelt & Hooykaas for
technical note:
# Flushing SBM (Slag Bound Mixture - origin Holland) – performance, economy & sustainability for pavements.
Euromin, Brighton, UK.
# Flushing SBM (Slag Bound Mixture - origin Holland) – performance, economy & sustainability for pavements.
Euromin, Brighton, UK.