Resotec

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Resotec
Richard Lees Steel Decking
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RLSD Statistics
Company Founded in 1947
Approaching 60 Years of Innovation in Structural
Flooring
30 Years of Holorib Steel Decking
20 million m2 of Decking Supplied
Hundreds of projects every year
UKs most specified Profiles
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Product Range
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Resotec
Damping System
For limiting floor vibration in steel framed
buildings
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Resotec
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Constrained layer damping
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Resotec Damped Composite Floor Concept
Shear Stud
B
Concrete
A
Resotec
Metal Decking
B
Steel Beam
A
Concrete
Shear Stud
Resotec
Steel Beam
Section B-B
Section A-A
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In association with Arup ATG
Tests at Ashbourne
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Structural efficiency not limited by
serviceability
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General office response factor 8
Special office response factor 4
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More London Plot 1 The project
Commercial Office development ... 3 ten storey
blocks 700 000 sq ft gross 85M 22.5m max
span Architect Foster Partners
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More London Plot 1Key issues
Large spans in small bay configurations Design
to R8 Client aware of sensitivity/subjectivity
of floorplate vibrations Resotec offered as
performance enhancement to R6
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More London Plot 1Site Issues
Decking in non-composite section is not fixed to
beam adjacent sheets tied together Resotec
layer glued in place
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Resotec
Cost effective means of improving dynamic
performance
Lower costs than steel or concrete
Little or no increase in structural depth
Higher quality space greater rental income
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Multi-shaker testing setup four electro-dynamic
shakers used

• Unique testing technique
• UK best available for building floors

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Electro-dynamic shaker and Endevco 77540-1000
accelerometer
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Data acquisition centre In-situ data gathering,
processing and analysis
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Mode 1 Several times higher damping with RESOTEC
Conclusion RESOTEC increases damping
considerably RESOTEC is more efficient at
higher amplitudes
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Compos The only analysis tool for predicting
damped floor response with Resotec
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Most important factor
Consult at conception