oa Civil Engineer in South Africa - Articulated houses on stiffened slab foundations at Loraine gold mine, Allanridge



A relatively new and economic foundation system has been used for a recent housing contract at Loraine gold mine in the Orange Free State. Large differential ground movements caused by swelling or shrinking of expansive soils are reduced by using a stiffened raft foundation. The differential movements of the raft are sufficiently small to be accommodated by an articulated solid brick superstructure. Design assumptions are being checked by monitoring several houses and a control area.

'n Betreklike nuwe en ekonomiese fondamentstelsel is gebruik vir 'n onlangse behuisingskontrak by die Loraine goudmyn in die Oranje-Vrystaat. Deur versterkte vlotfondamente te gebruik kan die omvangryke differensiële grondbewegings, wat veroorsaak word deur die uitswelling of krimping van die swellende grond, verminder word. Die differensiële bewegings van die vlotfondament is klein genoeg om opgeneem te word deur 'n geartikuleerde soliede baksteenbobou. Die ontwerpaannames word gekontroleer deur die gedrag van verskeie huise en 'n kontrole gebied te monitor.


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