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Bridges on driven steel piles sheet pile cofferdams in periya ... - Movax

Bridges on driven steel piles sheet pile cofferdams in periya ... - Movax

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Tasmania, Australia 2013<br />

<str<strong>on</strong>g>Bridges</str<strong>on</strong>g> <strong>on</strong> <strong>driven</strong> <strong>steel</strong> <strong><strong>pile</strong>s</strong><br />

BridgePro took delivery of a <strong>Movax</strong> SG-60V Side-Grip vibrator<br />

and an IH-25D <strong>pile</strong> hammer <strong>in</strong> January <strong>in</strong> Tasmania,<br />

Australia. BridgePro is a specialist bridge c<strong>on</strong>structi<strong>on</strong><br />

c<strong>on</strong>tractor specialis<strong>in</strong>g <strong>in</strong> precast modular bridges with<br />

spans between 6 and 21m. With the purchase of the pil<strong>in</strong>g<br />

equipment they have created a sister company called<br />

PilePro better reflect<strong>in</strong>g the new bus<strong>in</strong>ess opportunities<br />

created by the vibrator and hammer.<br />

The comb<strong>in</strong>ati<strong>on</strong> of the SG-60V vibrator and IH-25D<br />

hammer was chosen after an extensive worldwide<br />

search to f<strong>in</strong>d the most versatile and productive pil<strong>in</strong>g<br />

system to complement their <strong>in</strong>novative precast bridge<br />

system. With jobs generally small <strong>in</strong> size and transport<br />

a key c<strong>on</strong>siderati<strong>on</strong>, the relative light weight of the two<br />

attachments and suitability to operate off a moderately<br />

sized excavator made the comb<strong>in</strong>ati<strong>on</strong> the right choice.<br />

“We were impressed with the modular nature of the SG<br />

model vibrator giv<strong>in</strong>g us the ability to <strong>in</strong>stall <strong>sheet</strong>, tube,<br />

timber and h-<strong><strong>pile</strong>s</strong> all with the <strong>on</strong>e mach<strong>in</strong>e” said Aar<strong>on</strong><br />

Brimfield, Director of BridgePro.<br />

BridgePro director commented they have had a lot of<br />

experience with excavator mounted hammers and f<strong>in</strong>d<br />

the functi<strong>on</strong>ality, simplicity and relative lightweight nature<br />

of the IH-25D to be of significant advantage over<br />

alternatives. It seamlessly <strong>in</strong>tegrates with the <strong>Movax</strong><br />

computer and provides the operator essential feedback<br />

<strong>on</strong> the impact energy be<strong>in</strong>g applied.<br />

For bridge and other structural foundati<strong>on</strong>s, the ability<br />

to drive the <strong>pile</strong> <strong>in</strong>to harder layers and ‘hit’ the <strong>pile</strong> to<br />

dem<strong>on</strong>strate load capacity is essential. Once the <strong>pile</strong> is<br />

stood and vibrated to refusal, they are able to attach<br />

the impact hammer, and c<strong>on</strong>t<strong>in</strong>ue to drive the <strong>pile</strong> to<br />

the required structural capacity.<br />

“Although <strong>on</strong>ly newly acquired, we are excited about the<br />

possibilities the comb<strong>in</strong>ati<strong>on</strong> of the vibrator and hammer<br />

provide” Aar<strong>on</strong> Brimfield, BridgePro.

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