| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic pressure type shore strut support capable of easily adjusting an earth retaining panel with a specified interval and capable of easily extracting the earth retaining panel even in the case where large earth pressure is applied on the earth retaining panel. SOLUTION: It is a shore struct support 20 to connect earth retaining panels 41 to each other with a specified interval and to support pressure of the earth retaining panels 41 under an opening and cutting method, etc. In this case, it is furnished with an outside pipe 21 and an inside pipe 22 fitted free to slide, a cylinder main body 61 to which pressure water is supplied and a cylinder 60 consisting of a piston 63 fitted on this cylinder main body 61 and a piston rod 66, the cylinder main body 61 is installed on one of the outside pipe 21 and the inside pipe 22, and the piston rod 66 is connected to the other of the outside pipe 21 and the inside pipe 22.
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