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  • FLI | Steel Screw Piles & Screw Pile Foundations
    projects that use helical screw piles The helical screw pile is a versatile environmentally friendly and cost effective technology with many uses across such industries as transport communications and civil engineering What are Helical Steel Screw Piles A Helical Screw Pile consists of a galvanised steel shaft onto which is welded a series of low pitched circular steel plates The FLI Screw Piles vary in diameter from tens to hundreds of millimetres and are screwed into the ground with hand held or machine mounted hydraulic or electrically powered drilling equipment We have a large range of torque motors including the UK s biggest that can install the foundation system when accompanied by plant FLI Screw Piles will support structures in both tension and compression Applications range from underpinning to support of roadside or railside structures such as signs and gantries The piles are individually designed by our engineers to suit the ground conditions on each specific site The torques are recorded during installation to confirm that adequate capacity has been achieved Testing can be done if required FLI Structures have in house capabilities to test Screw Piles and reassure correct installation has been carried out in accordance with the Screw Pile Design FLI offer Helical Screw Pile tension testing to the design capacity Where can Helical Steel Screw Piles be used Helical piles are faster and more efficient than most other foundation solutions and can therefore be used in on projects including Met Masts Portal Gantries and Retaining Walls FLI cover a wide range of markets with such products from Highways and Railways to civil engineering Engineers are increasingly limited by restricted sites environmental constraints or a minimal duration to working on a site This is why the speed of helical screw piles technology is so important Benefits Of FLI

    Original URL path: http://www.fli.co.uk/steel-foundations/helical-screw-piles/ (2016-04-26)
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  • FLI - Steel Grillages, Screw Piles, Grillages, Grillage Foundations, Steel Grillage
    to the screw pile As well as FLI Helical Screw Pile foundations FLI Structures designs and supplies specialised steel grillage foundations These can support structures in various markets and are optimised when used with FLI Helical Screw Piles or other FLI steel foundation solutions A steel grillage is a foundation technique that is often used to support towers gantries signs overhead line electrification OLE masts and similar structures Depending on the size and weight of the structure being supported a traditional foundation of this type sometimes called a floating foundation is a large box like structure not unlike the mesh cages used to reinforce concrete structures A steel grillage is placed on several FLI Helical Screw Piles typically between four and eight depending on the overlying structure Using this system construction time has been reduced by over half the time with one lighting column being able to be installed in under an hour This is because the steel grillage is fast to install and it is a foundation formed with better technology and innovative designs Steel grillages can be applied to many structures that have a high turning moment and that need to been installed quickly and cost effectively Where enforcement is usually created by surrounding the structure with a concrete base here a steel grillage which is a rigid construction that s placed at sufficient depth below ground that the weight of soil removed to input the grillage equals it in weight can be used in replacement Increasingly for structures such as road signs or railway gantries steel grillages have beendesigned to consist of one or more steel beams an interface mounted on underlying helical piles to give extra support The fast installation and the fact that the grillage is fabricated off site make this a very suitable yet

    Original URL path: http://www.fli.co.uk/steel-foundations/steel-grillages/ (2016-04-26)
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  • FLI - Driven Piles, Driven Piling, Steel Driven Piles, Installation
    Training Courses Services Latest News Case Studies Events Exhibitions Latest News Events Document Downloads Photo Gallery Video Gallery Media Contact details Directions Enquiry Form Contact Us FLI Driven Piles An alternative to traditional piling Driven piles are an alternative to traditional screwpiles they provide different benefits to original piles as they can be used indifferent construction environments For example where there is limited site access or extremely hard ground therefore a driven pile is the safe and most cost effective choice because of its quick and easy installation How Driven piles work Steel driven end bearing piles are installed using hydraulic hammers with an accelerated drop weight in conjunction with side mounted vibro hammers Driven piles can range in size from 457mm to 610mm and are designed and measured to support each specific structure depending on its size and weight FLI Structures driven pile solution offers higher productivity compared with traditional concrete raft foundations Driven piles advantages Driven piling is well known for the following advantages for construction issues Relatively small and lightweight equipment is required Relatively small cross section and high strength helps penetration in firm soil Driven piles require minimal site preparation Spoil free means minimal cost for disposal of site debris Cost effectiveness where many piles are required High productivity compared to traditional concrete raft foundations Suitability for a variety of ground conditions Set against these however there are a few recognised unfortunate disadvantages to driven piles these include Noise the impact of those hydraulic hammers is audible from a long distance Vibration often unacceptable for environmental or structural reasons Cumbersome plant for many constricted sites driven piling plant is inappropriate Expense and time consuming deployment when only a few piles are required Because of these setbacks to the driven piles the traditional FLI Helical Screw Pile

    Original URL path: http://www.fli.co.uk/steel-foundations/steel-driven-piles/ (2016-04-26)
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  • FLI - Micro & Mini Piling, Mini Piling, Micro Piling, Micropile, Micropiles, Minipile, Minipiles
    Micro and Mini Piles Micro Piles FLI Micro Piles are a form of pile that are drilled into the ground with a drill head attached to the front end of the pile As the pile is drilled into the ground it injects grout through the hollow steel tube into the surrounding soil to make the foundation as strong and supportive as possible We make our FLI Micro Piles out of high quality galvanised steel and offer them in standard diameters of 60 to 200mm Mini piles or micro piles also referred to as lightweight piles are a specialised subset of piling that include various types of driven piles and screw piles They are a fairly new product outcome of the original screw pile but have many advantages over its predecessor As leaders in foundation design and construction FLI Structures specialises in delivering mini and micro piling services Mini piling is often the only solution Increasingly mini piling or micro piling solutions are saving contractor s time and money on difficult underpinning projects A mini or micro pile solution makes convenient and reliable piling available for the most challenging applications on sites that might otherwise preclude piling Mini or micro piles are smaller than regular screw piles and can therefore be planted in confined spaces with ease The benefits of micro and mini piles There are many benefits to micro or mini piling that traditional piling cannot provide these include When ground borne vibration must be avoided Where physical site constraints apply e g low headroom Their required to operate in temperatures that are unsuitable for concrete piling Ground conditions are unsuitable for other foundations Excavation or removal of spoil is problematic Conventional piles would be too heavy a micro pile is a lightweight pile Access is restricted for conventional piling

    Original URL path: http://www.fli.co.uk/steel-foundations/micro-and-mini-piling/ (2016-04-26)
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  • FLI - Raft Foundations, Raft Foundation, Raft Foundation Design, Tower Foundations, Concrete Raft Foundations.
    Monopole Tilt Streetworks Rooftop Bespoke Trees Cypress Tree Dead Oak Tree Pine Tree Elm Tree Masts Tower Products Design Engineering Site Investigation Steel Fabrication On Site Project Management Pile Testing Maintenance Training Courses Services Latest News Case Studies Events Exhibitions Latest News Events Document Downloads Photo Gallery Video Gallery Media Contact details Directions Enquiry Form Contact Us FLI Raft Foundations Where ground is not suitable for FLI Screw Piles Driven Piles or Micro Piles FLI can design and install raft foundations to support both light and heavy weight structures in Railway Highway Telecommunications or Construction markets Raft foundations traditionally consist of a reinforced poured concrete slab Depending on the project a raft foundation may also be stiffened by incorporating reinforcing bars or beams with holding down anchors pre installed for attaching the structures For certain purposes concrete caps can also be complemented by additional foundations such as FLI Helical Screw Piles If the ground is unsuitable for a concrete raft FLI Structures has designed the following solutions to overcome this problem Plain slab with reinforcing bar Plain slab with separate wide strip foundation Plain slab with stiffened edge and a deeper integral beam Cellular raft foundations Piled raft foundations Piled

    Original URL path: http://www.fli.co.uk/steel-foundations/raft-foundations/ (2016-04-26)
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  • FLI - Soil Nailing, Soil Nails, Soil Nail, Screw PIle Soil Nailing
    Tree Elm Tree Masts Tower Products Design Engineering Site Investigation Steel Fabrication On Site Project Management Pile Testing Maintenance Training Courses Services Latest News Case Studies Events Exhibitions Latest News Events Document Downloads Photo Gallery Video Gallery Media Contact details Directions Enquiry Form Contact Us FLI Soil Nailing Soil nailing is a technique for reinforcing a slope by introducing galvanised steel supporting bars that pass through the expected failure plane for the slope Installed with a slight downward inclination the steel nails support the soil mass in front of and behind this failure plane This technology is suitable for many different applications including diverse applications like Temporary excavation support Retaining structures Remedial works on old slopes Prevention of landslides Erosion control Screw Piles For Modern Soil Nailing With the evolution of soil nail design FLI Helical Screw Piles installed to precisely calculated torque have shown their suitability for this purpose As a leader in Screw Pile design manufacture supply and installation FLI Structures have embraced soil nailing as one of its services for civil engineering A screw pile makes an excellent soil nail for the following reasons High performance under tension typical for slope stability applications Fast easy installation Ideal

    Original URL path: http://www.fli.co.uk/steel-foundations/soli-nailing/ (2016-04-26)
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  • FLI - Foundation Underpinning, Underpinning, Underpinned Foundations, Underpinned
    Walls Slope Stabilisation Steel Foundations Masts Towers Lattice Met Masts Radar Guyed Monopole Tilt Streetworks Rooftop Bespoke Trees Cypress Tree Dead Oak Tree Pine Tree Elm Tree Masts Tower Products Design Engineering Site Investigation Steel Fabrication On Site Project Management Pile Testing Maintenance Training Courses Services Latest News Case Studies Events Exhibitions Latest News Events Document Downloads Photo Gallery Video Gallery Media Contact details Directions Enquiry Form Contact Us FLI Foundation Underpinning In modern day society building Structures play a large part of the environment These structures though must be supported and the most effective way to do this is often to under pin your foundation to ensure it does not subside or preclude in the future Excessive settlement in your structure Depending on the particular project underpinning is often done by excavating under shallow foundations and extending their load bearing capacity by changing the underlying soil structure with FLI Helical Screw Piles Screw Piles For Underpinning Foundations Screw piling is particularly useful where special site constraints exists and extra support is needed Zero vibration underpinning is required Lifting of a settled or damaged structure is planned Ground conditions are unsuitable for conventional foundations Restricted access for conventional pile driving

    Original URL path: http://www.fli.co.uk/steel-foundations/foundation-underpinning/ (2016-04-26)
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  • FLI - Retaining Walls, FLI Wall, FLI Screw Pile Wall, Sheet Piling
    Radar Guyed Monopole Tilt Streetworks Rooftop Bespoke Trees Cypress Tree Dead Oak Tree Pine Tree Elm Tree Masts Tower Products Design Engineering Site Investigation Steel Fabrication On Site Project Management Pile Testing Maintenance Training Courses Services Latest News Case Studies Events Exhibitions Latest News Events Document Downloads Photo Gallery Video Gallery Media Contact details Directions Enquiry Form Contact Us FLI Retaining Wall Retaining walls have been designed to resist the lateral pressures of soil and the rock behind them There are many types of retaining walls that can be produced careful design is needed to ensure quality performance and safety designs can be made for pre cast retaining walls to sheet piles The following types of Retaining walls are what are available to civil engineers Gravity retaining walls Sheet piling Cantilevered walls Anchored retaining systems Screw pile steel retaining walls Landslide restricting structures King post walls Screw pile walls An important innovation pioneered by FLI structures consists of an FLI Helical Screw Piled retaining wall Ideal for refuges ballast retention equipment location lay bys and other specialised applications this is an all steel structure consisting of a frame and infill panels anchored to the ground by FLI Helical Screw Piles

    Original URL path: http://www.fli.co.uk/steel-foundations/retaining-walls/ (2016-04-26)
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