| 摘要 |
In a method for erecting the jacket of a cable net cooling tower which has a center mast, which method includes hoisting the jacket by lifting forces produced by hoisting means located at the top of the center mast, the jacket is suspended from pulling members composed of groups of threaded steel rod units, each unit being composed of a succession of individual steel rods joined together at their ends by threaded sleeves, the lifting forces are transmitted to the steel rod units by setting elements detachably connected to the steel rods, and the uppermost individual steel rod of each unit is removed when it is no longer in force transmitting relation with the hoisting means. |
