| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technology capable of constructing a new steel tower of a form near to an existing steel tower, without requiring the further purchase of a steel tower site. <P>SOLUTION: This work method of the steel tower for reconstructing the existing steel tower for supporting an aerial line, comprises a temporary steel tower construction process of arranging a temporary steel tower for temporarily supporting the aerial line on the inside of the existing steel tower, an aerial line transfer process of transferring the aerial line supported by the existing steel tower to the temporary steel tower arranged by the temporary steel tower construction process, an existing steel tower removing process of removing the existing steel tower after transferring the aerial line by the aerial line transfer process, a new steel tower construction process of arranging the new steel tower in an area provided with the existing steel tower after removing the existing steel tower by the existing steel tower removing process on the outside of the temporary steel tower, an aerial line retransfer process of retransferring the aerial line temporarily supported by the temporary steel tower to the new steel tower arranged by the new steel tower construction process, and a temporary steel tower removing process of removing the temporary steel tower after retransferring the aerial line by the aerial line retransfer process. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
