Publications
The UKQAA publishes a large number of datasheets relating to the applications for coal fired power station products. These are available for free download using the following links. They are all in PDF format and will require Adobe Acrobat Reader V5 or later. The latest version of Acrobat can be downloaded by clicking on the Adobe icon, 
Technical Datasheets
| General Information | This is a six-sided general introduction to PFA/fly ash from coal fired power stations (675KB) |
PFA / fly ash for concrete - Explains why fly ash is beneficial in concrete. (479KB) |
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Specifying PFA / fly ash in concrete to EN206/BS8500 - Explains how to specify fly ash in your concrete using the current UK standard. (482KB) |
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The relative performance of EN450 fly ashes to Category S and N. (387KB) |
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Applications for fly ash to EN450-1:2005 (333KB) |
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PFA / fly ash as a fill material - Describes how PFA is used as a general and structural fill material. (600KB) |
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PFA / fly ash for grouting applications - How PFA is used for grouting caverns, mines, redundant pipework, etc. (552KB) |
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SIntered PFA Lightweight aggregates - Describes how lightweight aggregate is made and the applications its use for. (436KB) |
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Cenospheres - a unique filler - Describes what they are and some of the many applications for the material. (231KB) |
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Fly Ash in Highways Construction - An overview of the use of FABM and ESC |
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Fly Ash in Highways Construction - Describes FABMs and ESC in detail |
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Fly Ash in Highways Construction - Laboratory mix design for FABM's. |
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Fly Ash in Highways Construction - Structural Design aspects |
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Fly Ash in Highways Construction - Specification for FABM 1 & 2 - clauses you can use in your own specification |
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Fly Ash in Highways Construction - Specification for FABM 5 - clauses you can use in your own specification |
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Fly Ash in Highways Construction - Specification for Enhanced Stabilised Capping - clauses you can use in your own specification |
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Furnace Bottom Ash in Light Weight Aggregate (LWA) Concrete Blocks. (417KB) |
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PFA in Aerated Concrete Blocks. (369KB) |
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PFA and the Environmental. (498KB) |
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Environment and Sustainability (483KB) |
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COSHH information about PFA. (197KB) |
These are designed for the use of site staff who need to know how to use PFA/fly ash properly;
| Best practice guide No. 1 | The Placing and Compaction of Concrete containing Pulverised Fuel Ash / Fly Ash- A Guide for Site Engineers and Foremen - (278KB) |
| Best practice guide No. 2 | The Placing and Compaction of Fly Ash as Structural Fill - (331KB) |
These case studies describe where PFA/fly ash has been successfully used.
| Case study No. 1 - Llanelli |
A case study of the use of PFA at the Millennium Llanelli Coastal Park project - (586 KB) |
| Case Study No. 2 - East Midlands airport |
A case study of the use of PFA and fly ash in concrete used at the East Midlands airport - (683 KB) |
| Case Study No. 3 - Grouting Mons Hill Cavern |
A case study of the use of PFA /fly ash for grouting a cavern in the West Midlands - (360KB) |
| Case Study No. 4 - GFA on the A259 Ramsgate Tunnel |
A case study of the use of PFA in GFA for the access tunnels to Ramsgate Harbour- (179KB) |
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Case Study No. 5 - PFA as a fill material Packington |
A case study of the use of PFA as a fill material at Packington, A45, Near Coventry (367KB) |
| Case Study No. 6 - Selby bypass |
The use of PFA as a fill material on Selby Bypass, North Yorkshire- (375KB) |
| Case Study No. 7 - Small Grouting Contract |
The use of PFA in grouts for smaller contracts - (448KB) |
| Case Study 8 - Soil Stabilisation at Flixborough |
The use of PFA in soil stabilisation for North Lincolnshire Council at Flixborough - (352KB) |
| Case Study 9 - Pride Park, Derby |
The use of PFA to reclaim derelict, industrial land at Pride Park, Derby (669KB) |
| Case Study 10 - Bilston Urban Village |
The use of PFA grout to remediate land containing >100 mine shafts (349KB) |
| Case Study 11 - Northwich Salt Mines |
The use of PFA grout in the largest contract in Europe (522KB) |
| Case Study 12 - Selby bypass CBM1A |
The use of fly ash based CBM1A on Selby by-pass (426KB) |
| Case Study 13 - A52 Froghall |
The first use of GFA in road construction on the A52 at Froghall, Staffs in 1997. |
| HAUC Info. Sheet 1 | Information on the trench mix backfill trial carried out at Eardiston, Worcestershire - (8KB) |
| HAUC Info. Sheet 2 | Information on the trench mix backfill trial carried out at Tixall, Staffordshire - (7KB) |
These explain the UKQAA's position on aspects of the use of PFA/fly ash;
| Position Paper No 1 - CrVI Directive |
The situation in relation to PFA and CrVI in cements |
| The issues relating to the Waste Framework Directive and the Environment Agency |
The use of PFA/fly ash in construction reduces the environmental impact in comparison with traditional methods. The following documents provide environmental information on fly ash that you may find useful;
Datasheet 8.0 - PFA and the environment |
Looks at the chemistry, leachates and basic environmental properties of PFA and FBA |
Datasheet 8.1 - Environment and Sustainability |
Looks at greenhouse gas emissions and sustainability issues associated with the use of PFA and FBA. |
| BRE - Approved Environmental Profiles | These profiles were produced by BRE in 2007 covering PFA and FBA Cradle to Gate. |
| Waste Framework Directive and ash as waste | The UKQAA Position Paper outlines the power industry's position over the definition of waste, which has been plaguing the industry for some 7 years. This position paper has been updated to encompass recent court decisions and the draft reivsion to the Waste Framework Directive currently before the Council of Europe. Click here to download Position Paper 2c - July 2007 |
| Environmental Code of practice for fill | An environmental code of practice for PFA / fly ash as a fill material - In PDF format (48KB), January 2003 |
| Environmental Testing and standards | A review of the testing standards and procedures that have been used to assess PFA - in PDF format (130KB), January 2003 |
| Production and applications for PFA | A review of the production and applications for PFA in relation to the environment - in PDF format (192KB), January 2003 |
| A generic environmental risk assessment for PFA | A generic environmental risk assessment for PFA - in PDF format (270KB), January 2003 |
| BRE Environmental Code of Practice for Grouts | The BRE carried out a research project sponsored by the UKQAA, DTI and English Partnerships to produce an environmental code of practice for PFA grouting called "Stabilising mine workings with pfa grouts". The document is now available from BRE Press. NB: to find the publication carry out a search using 'grout' as a search term.. |
The UKQAA attends many conference, often giving a presentation. In addition we fund research into a wide variety of applications. Wherever possible the papers and reports are made publicly available as follows;
Sustainable Construction Materials and Technologies Conference, Coventry University, UK, 11-13 June 2007 |
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AshTech 2006 - Ash Technology Conference hosted by the UKQAA, 15-17 May 2006, Birmingham Hippodrome Theatre, UK. Joint paper with University of Dundee and the UKQAA "Changes in Coal Fired Power Station Fly Ash: Recent Experiences and Use in Concrete", Jones et al |
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AshTech 2006 - Ash Technology Conference hosted by the UKQAA, 15-17 May 2006, Birmingham Hippodrome Theatre, UK, "Pulverised Fuel Ash and Preventing the Thaumasite Form of Sulfate Attack", Sear |
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AshTech 2006 - Ash Technology Conference hosted by the UKQAA, 15-17 May 2006, Birmingham Hippodrome Theatre, UK. Joint paper with Hatterall Associates and the UKQAA |
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AshTech 2006 - Ash Technology Conference hosted by the UKQAA, 15-17 May 2006, Birmingham Hippodrome Theatre, UK. Joint paper with Health Protection Agency - Radiation Protection Division and the UKQAA "A radiological study of pulverised fuel ash (PFA) from UK coal-fired power stations", Gooding et al |
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The CIWM held a one day seminar on 11 July 2005 on the Definition of Waste in London. The UKQAA gave a paper entitled |
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Dundee University Conference - Global Construction - Ultimate Concrete Opportunities, 5-7 July 2005. Should you be using more PFA? |
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On the 8 and 9 May 2005 the UKQAA were invited to give a paper to the ECOBA conference held in Brussels. "Blocks made in UK - 100 % utilization of bottom ash" |
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In April 2005 the UKQAA exhibited at the World of Coal Ash conference in Kentucky, USA. The paper was entitled "European Legislation in the UK - a threat or an opportunity?" |
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In March 2005 the UKQAA were invited to give a paper in for the Polish CCP Union on "The Equivalent concrete performance concept to EN206" |
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Sustainable Waste Management Conference
Kingston University – 14/15 September 2004 |
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The 2003 Kentucky University Fly Ash conference held in Lexington, Kentucky, USA in October 2003. |
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WASCON 2003 conference held in San Sebastion, Spain in June 2003. |
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Dundee CTU Congress, 'Challenges of concrete construction', September 2002. |
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The 2001 Kentucky University Fly Ash conference held in Lexington, Kentucky, USA in October 2001. |
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BCA Concrete Communication conference, UMIST, Manchester, 3rd & 4th July 2001. |
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PROGRES Workshop on Novel Products from Combustion Residues, Morella, Spain, 5th to 7th June 2001. |
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WASCON conference, June 2000 in Leeds/Harrogate, UK. |
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School of Civil Engineering |
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