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Bauer installs ductile piles for local housing project in Luanda

bauer Bauer Angola has been appointed to install the piled foundations for 24 new buildings at the Nova Vida (New Life) Housing Development in Luanda, Angola.

Sponsored by the Angolan Government, it is the largest building project ever undertaken in the region and aims to provide better housing for the local population.

Each residential block is founded on 172 ductile piles, which are capped by reinforced-concrete strip footings.

These piles consist of ductile, cast-iron pipes, which are driven into the ground using a high-frequency impact hammer and subsequently filled with concrete. Bauer recommended the use of the system to the main contractor, Chinese company Jiangsu.

Each pile has been designed for a working load of 40t. A static pile-load test, carried out on site, established an ultimate load of 110t, which is an excellent result.

Installation of the piles, totalling 33,000 linear metres, is being carried out with a Bauer MGB 12 drill rig, fitted with a hydraulic impact hammer and adapter. The site crew consists of two teams – one for driving and one for filling the piles with concrete.

As construction has advanced, progress has increased progressively, and completion of the project is likely to be earlier than the March 2011 deadline originally envisaged.
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