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Change anchorage ropes of antenna mast of Kleť

Realization

2008

Description

Realization: 2008

Place:  Kleť - blanský les, area Český Krumlov, Czech Republic

Description:  Change anchorage ropes of antenna mast of Kleť was made from reason ding away service life current anchorage ropes on which mostly partook corrosion and material fatigue. Since solving  some details stretching devices do not conform to contemporary piece of knowledge about dynamic straining structures, was in term of changes anchorage ropes replaced also stretching device at anchorage block.
Current spiral strands are replaced by new concurrent construction. Upper anchorage level is so solving rope average 67mm and nominal stress 1570 MPa. Lower anchorage level is so solving rope average 62 mm and nominal stress 1370 MPa. In bottom end are ropes imbedded by the help of new steel structure of stretching device to current anchorage bloks, where  are conserved current anchor pins. On upper ends are ropes imbedded by the help of current anchor pins. These anchor pins find up on high 131,5 m and 60,5 m from heel of antenna mast. Overall height antenna mast is 176 m.

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