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Building up strength Swedish manufacturer Soilex says that repeated preloading of its Expander Body anchors can double their bearing capacity when used in soft clay.

Recent Norwegian research has shown for the first time that the capacity of anchors fitted with inflatable expander bodies in soft clay can be substantially increased by controlled preloading. Consolidation of soil at the base of the anchors installed on the Sentrumsring Drammen highway resulted in a 100% capacity increase over eight weeks.

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