| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a piping structure for foundation having ant-preventing performance. <P>SOLUTION: The piping structure for foundation C includes a sheath pipe 2 extending through concrete 10 constituting the foundation of a building, and a pipe 31 to be inserted to the sheath pipe 2. An external ant-prevention member 40 subjected to ant-prevention treatment is placed on the outer surface of the sheath pipe 2, and an internal ant-prevention member 50 subjected to ant-prevention treatment is placed between the inner surface of the sheath pipe 2 and the outer surface of the pipe 31. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
