Issue 13 | Summer 2006 www.britpave.org.uk britpave news New airfields guide... with help from Britpave Task Group
The long-awaited revision to the ’PSA Green Book‘ for the design and evaluation of airfield pavements is now available. The new Defence Estates design and maintenance guide – A Guide to airfield pavement design and evaluation – brings the previous guide up to date. The changes include: s 4HE LATEST TRIDEM UNDERCARRIAGE arrangements s 0ROVISION FOR HIGHER !IRCRAFT #LASSIFICATION .UMBERS !#.S s (IGHER STRENGTH RANGES FOR PAVEMENT quality concrete s 4HE USE OF HIGH STRENGTH BOUND BASE materials for flexible pavements s .EW DESIGN AND EVALUATION CHARTS HAVE been developed to read over a wider range of values s 4HE !#. TABLES HAVE BEEN UPDATED AND expanded s -ORE INFORMATION IS PROVIDED ON pavement investigation techniques Continued on Page 2 »
2006 Britpave Conference: 25 & 26 September, Buxton (see page 5) diary dates Concrete Roads Symposium: 19–22 September, Brussels (see page 4) 2 Issue 13 | Summer 2006
Britpave visits a major contract using spain the Rheda 2000 slabtrack system
Continued from front cover » Slabtrack chosen for tunnel safety New airfields guide... In April Britpave member RAIL.ONE (Pfleiderer Fastening Systems) helped organise a short visit to Spain to see the installation of the Rheda 2000 slabtrack system.
2!),/.% IS A NEW NAME )N !PRIL !XA 0RIVATE %QUITY ACQUIRED 0FLEIDERER 4RACK 3YSTEMS WHICH was formed over 100 years ago. The company IS WELL KNOWN IN %UROPE +OREA AND #HINA AS concrete sleeper manufacturers and providers of ballastless track systems such as the Rheda 2000.
-EMBERS OF THE "RITPAVE 2AIL 4ASK 'ROUP FLEW TO 3ANTIAGO DE #OMPOSTELA IN 'ALICIA NORTHERN Adequate strength is an 3PAIN AND RECEIVED A SERIES OF FIRST CLASS TECHNICAL At work in the tunnel laying important design factor PRESENTATIONS ON THE !TLANTIC !XIS HIGH SPEED LINE Rheda 2000 slabtrack system 4HE SITE VISIT THAT FOLLOWED SOME KM FROM The new design guide is complemented 3ANTIAGO WAS TO A KM SECTION OF NEW TRACK THE YEAR )T WAS EXPLAINED THAT THE DECISION TO USE by the revision of the Defence Estates 3OME KM OF THIS IS THE 'UADARRAMA TUNNEL slabtrack in the tunnel had been made on safety airfield pavements materials specifications which is being paved using the Rheda 2000 grounds because the rigid slabtrack allows easy FOR CONCRETE AND BITUMINOUS MATERIALS ALL OF system. This contract is part of a 230 km upgrade ACCESS BY AMBULANCES IN CASE OF EMERGENCY )T which have been updated to take account of OF THE HIGH SPEED LINE TOWARDS THE 0ORTUGUESE has already been decided to place slabtrack in the current best practice and the latest European border. TUNNEL SECTIONS OF THE FINAL CONTRACT OF THIS PROJECT #%. STANDARDS )N PARTICULAR 3PECIFICATION which is due to be completed by 2010. Pavement quality concrete for airfields &OUR