JPS6260693U

JPS6260693U -

Info

Publication number: JPS6260693U
Application number: JP15013885U
Authority: JP
Priority date: 1985-09-30
Filing date: 1985-09-30
Publication date: 1987-04-15
Also published as: JPH0230560Y2

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係るセグメントの要
部側断面図、第２図は同正面図、第３図は同斜視
図、第４図は従来例に係るセグメントの要部側断
面図である。１……セグメント、２……セグメント本体｛６
……接合端面、８……外面、２７……露出面｝、
３……継手金具、４……角保護部｛５……前端面
、７……上端面、１３……後端面｝、９……接合
部｛１０……前端面壁、１０ａ……前端面｝、１
２……周壁｛１４……後端面｝、１５……連結部
、２８……ボルト挿入用空間。 FIG. 1 is a side sectional view of a main part of a segment according to an embodiment of the present invention, FIG. 2 is a front view of the same, FIG. 3 is a perspective view of the same, and FIG. 4 is a side sectional view of a main part of a segment according to a conventional example. It is. 1...Segment, 2...Segment body {6
... joint end surface, 8 ... outer surface, 27 ... exposed surface},
3... Joint fitting, 4... Corner protection part {5... Front end surface, 7... Upper end surface, 13... Rear end surface}, 9... Joint part {10... Front end wall, 10a... Front end surface} ,1
2... Peripheral wall {14... Rear end surface}, 15... Connecting portion, 28... Space for bolt insertion.

Claims

[Scope of utility model registration request]

A joint fitting 3 is buried in the joint end of the segment body 2 made of concrete, and the front end surface 5 of the joint metal fitting 3 is flush with the joint end surface 6 of the segment body 2, and the upper end surface 7 is flush with the joint end surface 6 of the segment body 2. External surface 8
a corner protection part 4 that is exposed to the outside and buried on the outside;
The joint portion 9 includes a joint portion 9 whose front end surface 10a is flush with the joint end surface 6 and is buried inward, and a connecting portion 15 that connects the corner protection portion 4 and the joint portion 9.
A concrete segment for tunnels in which a peripheral wall 12 extends rearward from the periphery of the front end wall 10, and is surrounded by the front end wall 10, the peripheral wall 12, and the segment body 2 to form a space 28 into which a segment joining bolt is inserted. 1, the exposed surface 27 of the segment body 2 to the space 28 is located forward of the rear end surface 14 of the peripheral wall 12, and the rear end surface 13 of the corner protection part 4 is located forward of the rear end surface 14 of the peripheral wall 12. Concrete segments for tunnels.