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Foundations over Piles

Foundations over Piles
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Contact Tensar International or your local distributor to receive further literature covering Tensar products and applications. Also available on request are product specifications, installation guides and specification notes. The complete range of Tensar literature consists of: • Tensar Geosynthetics in Civil Engineering A guide to products, systems and services • Ground Stabilisation Reinforcing unbound layers in roads and trafficked areas • TriAx™ A Revolution in Geogrid Technology The properties and performance advantages of Tensar TriAx™ geogrids • Asphalt Pavements Reinforcing asphalt layers in roads and trafficked areas • Tensartech Earth Retaining Systems Bridge abutments, retaining walls and steep slopes Small pile caps being cast prior to constructing the Enhanced Arch Load Transfer Platform. Construction of an Enhanced Arch Load Transfer Platform Once the supporting piles/VCCs have been installed the simple construction process involves the inclusion of 2 or 3 layers of Tensar geogrids in the granular layers above the supports. Dead weight compaction of the cushion layer of fill under the bottom grid, and the layer of fill between the bottom two grids, is the only deviation from standard embankment placement and compaction operations. Overlapping, or tying, of adjacent grids provides the continuity required. • Railways Mechanical stabilisation of track ballast and sub-ballast • Foundations over Piles Constructing over weak ground without settlement • Basal Reinforcement Using Basetex high strength geotextiles • Tensartech Geocell Mattress System • Erosion Controlling erosion on soil and rock slopes Your local distributor is: Tensar International Limited Cunningham Court Shadsworth Business Park A grid layer is placed. The design thickness of granular fill is placed, spread and compacted. Blackburn BB1 2QX United Kingdom Second Severn Crossing, UK The Toll Plaza area for the Second Severn Crossing in the UK was built over compressible soils supported on VCCs. Load from the embankment and pavement above was transmitted to the VCCs using a Tensar geogrid reinforced Enhanced Arch Load Transfer Platform (LTP). The graphs summarise the performance from monitoring this LTP. Settlement above the VCCs and mid-way between them is almost the same, whereas stress measured at subgrade level between the VCCs is almost zero. These results show how well the design assumptions have been realised in practice. The Enhanced Arch LTP has performed as a stiff raft, transmitting loads from the pavement and embankment directly to the VCCs using the excellent load spreading capability of a granular layer reinforced with Tensar biaxial geogrids. Second Severn Crossing Enhanced Arch Load Transfer Platform performance. Details of Enhanced Arch LTP at Second Severn Crossing. ©Copyright Tensar International Limited Printed August 2010 Issue 11, SDA: 583090 The information in this brochure is supplied by Tensar International free of charge. Tensar International do not assume any duty of care to you or any third party. No liability for negligence (other than for death and personal injury) can arise from any use of or reliance on the information in this brochure or use of any Tensar International product mentioned. Tensar International will not be liable if this brochure contains any misrepresentation or misstatement. Determination of the suitability for any project of the information and any Tensar International product mentioned in it must be made by your engineer or other professional advisor who has full knowledge of the project. You, together with any such engineer or advisor, must assume all risk of loss and damage of any kind arising from use of the information or any product of Tensar International other than the risk of death and personal injury. If you or any third party subsequently purchases a product referred to in this brochure or any other Tensar International product the entire terms of the contract of purchase and the entire obligation of Tensar International relating to the product or arising from its use shall be as set out in Tensar International's Standard Conditions in force at the time of purchase, a copy of which may be requested from Tensar International. Tensar and Tensartech are trade marks of tensar International Limited. Foundations over Piles Constructing Load Transfer Platforms over weak ground with piled foundations

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Load Transfer Mechanisms 2 Enhanced Arch Load Transfer Platform Tensar Technology - proven practical solutions and the know-how to get them built Based on the characteristic properties of Tensar geogrids and geotextiles, Tensar Technology is widely adopted for ground stabilisation and soil reinforcement problems, delivering real savings in cost and time. We can help you apply Tensar Technology to improve the bottom line on your project. The inclusion of Tensar geogrids within granular layers has been shown to increase the angle of load distribution considerably in comparison with the...

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