| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for indicating a position of an anchor bolt, allowing the position of the anchor bolt to be indicated to the inside of the opening of an underground structure in order to replace an iron cover for the underground structure without severing or crushing a pavement around a receiving frame, especially, the device being suitable for installation after casting a concrete mortar. <P>SOLUTION: A device for indicating a position of an anchor bolt 13, comprises an indication part 18 and fixing means 20. The indication part 18 includes visual indication means 19 for indicating an existence position of the anchor bolt 13, by which a framework main body 11 of an underground structure and a receiving frame 12 installed above the framework main body are bound, buried with a concrete mortar 15 casted in a height adjustment space 14 between the framework main body and the receiving frame so as not to be directly seen from an opening side of the framework main body. The fixing means 20 is provided for fixing the indication part to an inner wall 23 exposing to an opening side of the concrete mortar or the framework main body 11 of the underground structure. <P>COPYRIGHT: (C)2012,JPO&INPIT |
