| 摘要 |
A retaining structure for a foundation work is provided to use as an underground wall on the whole by forming a retaining wall with prefabricated retaining frames and constructing an underground concrete wall on the inside of the retaining wall. The retaining structure for a foundation work comprises posts(10) installed to a site for pit excavation at regular intervals and provided with a conic insertion plumb(12) to be driven in the ground easily, many retaining frames(20) installed on the posts exposed at pit excavation and provided with an upper connecting projection(22) formed on the front upper side of one side of a rectangular block type body(21) to be projected in the lateral direction, a lower connecting projection(23) formed on the front lower side of the other side of the body to be projected in the opposite lateral direction, post holes(25) formed on the upper connecting projection and the lower connecting projection to insert round bars(11) of the posts and a rectangular hole(24) formed on the rear of the body to insert a wire net, and a wire net(30) formed by weaving many reinforcing bars or wires and inserted to the rectangular hole of the retaining frame, and then placed with concrete. |
