| 摘要 |
<p>PROBLEM TO BE SOLVED: To conduct a cable installation work every quickly, and furthermore, reduce an installation cost by a method, wherein instead of a process in which a cable is first laid on the floor of a tunnel, etc., and then transferred onto metal cable bracket, a process, in which after a cable is laid on respective rollers, the leading end side of the cable is brought down from the rollers and fixed to a specific metal cable bracket is employed. SOLUTION: A cable is laid on a number of rollers attached to the sidewall of a tunnel, etc. Then the leading end side of the cable C is brought down from the rollers and fixed to a specific metal cable bracket 5A. Then a cable installation device is driven to push the cable C towards the leading end side of the cable C, and a sag is formed between the specific metal cable bracket 5A and a metal cable bracket 5B in front of the specific metal cable bracket 5A. Then the cable C is fixed to the metal cable support 5B in front of the specific metal cable bracket 5A. The cable C is installed on a number of metal cable supports 5, while a vertical sag is formed between the metal cable support 5A and the metal cable bracket 5B.</p> |
