The trial and first commercial
use of Wainwright’s range of new Hydraulically-Bound Materials (HBM) has proved
successful.
The HBM trials got underway at
Moons Hill in the autumn of 2016, when the product was laid over a 4,000m2
area, including 1,800m2 in a heavily trafficked part of the
site where haulier and quarry plant often pass. Specialist Wirtgen mixing and
laying machinery was used to safeguard quality.
Visual inspections in the months
following the trials showed the materials to be standing up well to heavy use,
while testing for moisture content, Particle Size Distribution (PSD), and
strength and density yielded positive results.
“We’ve submitted the materials
to extensive examination, including in-situ coring,” said business development
manager Simon Lumkin. “The results so far have exceeded expectations, giving us
every confidence in HBM as a product that we can add to Wainwright’s offering.”
The material also performed well
in a recent commercial application, during which Wainwright successfully laid
HBM for a resurfacing project at Portishead, Somerset, on behalf of Skanska.
“The project involved a busy road near to the town’s marina,” said Simon. “The
use of HBM proved highly effective, as well as enhancing the project’s
environmental credentials.”
Hydraulically Bound Materials
(HBM) utilise cementitious products that are bound as a result of a reaction
with water. As a product, it offers a range of benefits:
·
The capacity to incorporate a high proportion of
recycled materials in the mix
·
Lower carbon emissions compared with traditional
base-layer materials
·
A sustainable product, which enhances a
project’s green credentials
·
Lower costs, because lower-grade quarry or
recycled materials are brought higher up the value chain
·
Laid using conventional paving equipment and
plant, meaning minimal additional training for operatives
Wainwright has the capacity to create HBM to a variety of
specifications, including the following standards:
C3/4
C5/6
C6/8
C8/10
C12/15
RCC
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