Solent University, Southampton
DRIVING OF SHEET PILES FOR BRAND NEW UNIVERSITY SPORTS BUILDING
Project Description
Scope of Works 76 No. Steel Sheet Piles, 1 No. Box Pile Pre-augering
Client Solent University
Contractor Morgan Sindall Construction
Equipment 50T mobile crane, ABI Leader Rig with 925kN high freqency hammer
Construction period 17th October 2017 – 2nd November (returned 7 days later for testing)
Aarsleff Ground Engineering were awarded the sheet piling
contract by Morgan Sindall Construction to facilitate a brand new sports building at Solent University’s city centre campus in Southampton. Facilities in the building will include two
sports halls, three fitness studios, a health and wellbeing gym,
a strength and conditioning gym and high-quality teaching
facilities.
Aarsleff installed 76No 700mm Arcelor steel sheet piles of
12.5m length and 1 No. single box pile of 15m length to form the
cantilever retaining wall, designed by Arup Design. Box type
sections are made up of two U type sections, simply welded
together into a box shape. Aarsleff supplied, handled, pitched
and drove the sheet piles with vibratory installation techniques
complete with pre-augering as required. 110T of steel made up
the sheet piled wall, built for supporting the adjacent backfill.
As part of Arup’s design, Aarsleff were required to carry out a
stringent testing regime, comprising 3 sets of Dynamic Tests,
and another 3 tests 7 days after project completion to prove the
design and settlement criteria. The overall purpose of dynamic
pile testing is to determine the response of the sheet pile to
dynamic loading and to assess the efficiency of transfer of
energy to the pile head from the hammer blow.
The project was completed well ahead of time, concluding 2 days
before original target date. The first students will make use of the
building during summer 2019
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