Articles tagged “FRP Composites”

As 2022 continues to be an extremely busy time for Lifespan Structures we are pleased to announce that Steven Dunn has recently joined to further strengthen our specialist team. A civil engineer with over 25 years of experience in providing technical and commercial support to Clients, specifiers and contractors he has strong knowledge in specialist areas including structural concrete repair, structural strengthening utilising carbon fibre plate (CFRP), composites, adhesives & ultra-high modulus plates.

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Introduction to FRP Bridges

We are busy taking bookings for our technical seminars which can be conducted at Clients offices / hybrid or on-line to suit individual requirements. The two key presentations available are:
Bridging The Gap An introduction & history of composites in construction, the feasibility / design / supply & installation of recent Lifespan resin infused FRP bridge case studies, financial & economic benefits versus traditional materials
The Lifespan Bridge Management Service Tailored to the requirements of all bridge owners and stakeholders the CPD identifies the key actions required during the life of a footbridge, from initial concept to end of service and everything in between.

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Traffic Bridges

Bridge decks often require repairs and eventually replacement during the service life of a bridge. These can be steel, concrete or timber decks for pedestrian and vehicle access. At Lifespan we can design, supply, and if required install, lightweight FRP composite decks which can reduce the deck dead load by 50%. These decks reduce the environmental impact in terms of carbon and energy embodiment. They are also quicker and safer to install compared to traditional materials. The decks are delivered complete with surfacing and ready for installation onsite.

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Bridge design is not just structural performance but also about how a bridge looks and the social benefits that a well-designed bridge can deliver in the context of the surrounding environment. Highways England have recently published a document entitled “Principles of Good Road Design” in an initiative to improve the design process which we fully support. There is an emphasis on innovation using long lasting quality materials which we can deliver with an FRP composite bridge. At Lifespan we work with leading bridge Architects to deliver a design concept based on the brief from the Client.

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The annual bridge conference is being held at the Ricoh Stadium in Coventry on the 9th March and we will be there on stand D01. As our guest you can use the special promo code EXHIN22 for the 2 day event or EXHIN122 to attend on the 9th March. This will save you over 40% on the standard rates. We will be joining our colleagues from Concrete Repairs Ltd (CRL) and CRL Surveys who will be demonstrating the range of services which they are able to provide for bridge inspection and maintenance. Martin Richardosn and John Drewett will be on the stand ready to answer any questions you might have about FRP composite bridges.

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We are now in a position to offer vehicle bridges that carry traffic loads shall be designed for BS EN 1991-2 [Ref 4.N] load models (LM) LM1, LM2 and, if appropriate for pedestrians, LM4 which are fully compliant with the latest DMRB standards. We are currently in the design phase for two vehicle bridges to be supplied and installed later this year. We started the business in 2015 and without an established market for moulded FRP composite bridges in the UK we decided to target the local authority sector with footbridges, this has been very well received.

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We are pleased to offer a new CPD introducing our Footbridge Management Service.  To book this CPD please contact martin@lifespanstructures.com
Tailored to the requirements of all footbridge owners and stakeholders the CPD is identifies the key actions required during the life of a footbridge, from initial concept to end of service and everything in between. Through Lifespan Structures we will introduce the services that are available to develop, manage and maintain a footbridge portfolio via our group of companies, and see how we can offer a solution to wide range of footbridge management issues.

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Resin Infusion of composite materials

We have published a technical paper to help clients and specifiers understand the significant differences in terms of installation, performance and long term maintenance of the different types of FRP bridge solutions that are available. There are two generic types of FRP composite bridges and they have quite different performance characteristics and maintenance requirements, so it is important for clients to understand the differences at the procurement stage. Moulded bridge decks are generally manufactured in a mould with dry fibres laid in specific orientations with a core material to produce a sandwich construction.

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FRP Moulded Footbridge

The Client had recently purchased additional land to extend an existing park and wanted two footbridges across a small stream to gain access to the new land. Lifespan Structures recommended an FRP composite bridge supported on screw piles with a timber parapet to compliment the environmental location. The Client commissioned Lifespan to undertake a topographical survey, and borehole survey for the proposed locations. Lifespan then provided an Approval in Principle (AIP) for the Client and proceeded to design the two bridges followed by manufacture and delivery to site ready for installation.

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The construction industry is committed to reducing the environmental impact of its activities. The Construction 2025 joint strategy from the UK Government and industry, working in partnership, sets a vision, which includes 50% lower emissions, 33% lower costs and 50% faster delivery. Using FRP composites in place of steel and concrete for bridge construction will deliver this vision now. The carbon and energy embodiment is significantly reduced at the construction stage and still further during the 100-year minimum service life.

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