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Journal cover: Structural Survey

Structural Survey

ISSN: 0263-080X

Online from: 1983

Subject Area: Built Environment

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Hoopsafe beams to rectify subsidence damage in low-rise buildings


Document Information:
Title:Hoopsafe beams to rectify subsidence damage in low-rise buildings
Author(s):Philip Webb, (Philip Webb is a Building Surveyor at Byrom Clark Roberts Ltd, Sheffield, UK)
Citation:Philip Webb, (1999) "Hoopsafe beams to rectify subsidence damage in low-rise buildings", Structural Survey, Vol. 17 Iss: 2, pp.109 - 116
Keywords:Insurance, Structural defects, Subsidence
Article type:Research Paper
DOI:10.1108/02630809910273785 (Permanent URL)
Publisher:MCB UP Ltd
Abstract:Ground movement is responsible for over 60 per cent of structural defects in low-rise residential properties. Since 1971, insurance companies have been responsible for the significant rectification costs. Repair strategies are currently two-fold, being determined by whether or not the foundations are underpinned. The Hoopsafe system uses a grid of post-tensioned concrete beams, cast at foundation level, to restore the structural integrity of the property. The system can provide an alternative to traditional underpinning at an economic cost. Additional benefits include minimal disruption on site and short contract periods; the necessity for homeowners to vacate their properties is usually avoided. These benefits have been demonstrated by illustrative case studies. Professional consultants must consider all options to determine the most effective and appropriate repair technique. The Hoopsafe system can provide an alternative option in the selection process.



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