Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

The sea defence built on plastic

NEW CONCRETE ENGINEERING

Blackpool is the first major coastal protection or sea defence project to use plastic fibre reinforcement instead of steel.

Historically, synthetic macro fibres have mainly been used to strengthen concrete flooring and pavements. But they were chosen for this project because, unlike steel, they are totally non-corrosive.

The particular brand of fi bre reinforcement used at Blackpool is Strux 90/40, manufactured by Grace Construction Products. It was chosen by consultant Halcrow because of its high tensile strength, which under test conditions kept concrete stitched together once it had cracked. At Blackpool, Strux is being used in the 3.3km long toe beam and the beach's concrete steps.

With such tight time slots to pour the concrete, time was saved by using the fibre reinforcement, which did not have to be fixed.

The concrete also contains Grace's Adva Flow 410 - a new generation superplasticiser -? increasing its strength and improving its durability by lowering the water: cement ratio.

Have your say

You must sign in to make a comment

Please remember that the submission of any material is governed by our Terms and Conditions and by submitting material you confirm your agreement to these Terms and Conditions. Please note comments made online may also be published in the print edition of New Civil Engineer. Links may be included in your comments but HTML is not permitted.