Tiebacks and ANchors
Used to avoid overstress due to large cantilever lengths, stressed anchors (tie-backs) are constructed by drilling holes through the wall and into the adjacent ground at a downward inclination.
Steel strand cables (tie-back cables) are inserted into the drilled hole which is then pressure grouted with cement mortar. Once the cement mortar hasset, a strand gripper and gripper casing are placed over the cables and tensioned using a hydraulic jack.
DUTCH FOUNDATIONS
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