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Fondedile Multibell Anchors buy in Alton
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Fondedile Multibell Anchors

Fondedile Multibell Anchors

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United Kingdom, Alton
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Technical characteristics
  • Connection methodAnchorage
Description
The key advantage of the Fondedile Multibell anchor for use in cohesive strata is the ability to form high capacity anchors (up to 700KN SWL) as short as 12m in length, minimising infringement into third party property. This particular valuable application in providing prop free deep excavations in city centre locations. Straight shafted anchors relying upon skin friction developed in the surrounding soil, whilst satisfactory in granular materials (sand, gravels etc) may not be able to develop economic load capacities in clay and other anchor length limitations. A high capacity relaible anchorage in clay can be obtained by engaging its shear strength via expansions (bells) formed along the shaft of the anchor fixed length. The belling tool, a Fondedile innovation, provides a system which can satisfactorily meet all the requirements of reliable anchorage. This propriety system is called the Fondedile Multibell Anchor. It conforms to all aspects of design abd construction demanded by BS 8081:1989 - Ground Anchorages - for type D Anchorage. Multibell anchors are formed by, first, forming a pilot hole in the clay using a rotary casing and augering drilling technique to the required depth and inclination. The belling tool is then introduced into the hole and rotated while the spoil cut by the blades is bought to the surface by a direct circulation of flushing water. The belling tool consists of a number of hinged blades which open gradually to form a series of quadrangles equal to the number of bells: thus all the bells are formed in one operation either by hydraulic or mechanical means.
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Fondedile Multibell Anchors
Fondedile Multibell Anchors
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