JPH02101897U

JPH02101897U -

Info

Publication number: JPH02101897U
Application number: JP11030188U
Authority: JP
Priority date: 1988-08-23
Filing date: 1988-08-23
Publication date: 1990-08-14
Anticipated expiration: 2003-08-23
Also published as: JPH0640715Y2

Description

[Brief explanation of the drawing]

第１図ないし第３図は本考案の第１実施例を示
すもので第１図は掘削穴の覆工用筒状壁体を示す
部分斜視図、第２図は同実施例による筒状壁体の
分岐部セグメント部分を拡大して示す部分斜視図
、第３図は同実施例による分岐部セグメントと分
岐部支持体との接合部を示す縦断面図、第４図は
第１実施例の変形実施例で、分岐部セグメントと
分岐部支持体との接合部を示す縦断面図、第５図
および第６図は本考案の第２実施例を示すもので
第５図は分岐部セグメントおよび分岐部支持体を
示す斜視図、第６図は同実施例による分岐部セグ
メントと分岐部支持体との接合部を示す縦断面図
、第７図および第８図ａ，ｂは第２実施例の変形
実施例を示すもので、第７図は分岐部セグメント
と分岐部支持体との接合部を示す縦断面図、第８
図ａは分岐部セグメントの部分斜視図、同図ｂは
分岐部支持体の部分斜視図、第９図は従来技術を
説明するもので、横型２連形の掘削穴の覆工用筒
状壁体を示す正面図である。Ａ……覆工用筒状壁体、１Ａ……上部主壁部、
１Ｂ……下部主壁部、３，３′……継手金具、４
，５……分岐部セグメント、４ａ，５ａ……接続
端面、４ｂ，５ｂ……上面、６……分岐部支持体
、６ａ……接続端面、６ｂ……下面、８……ボル
ト、１０……掛止板。 1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a partial perspective view showing a cylindrical wall for lining an excavated hole, and FIG. 2 is a cylindrical wall according to the same embodiment. FIG. 3 is a longitudinal cross-sectional view showing the junction between the bifurcation segment and the bifurcation support body according to the same embodiment, and FIG. 4 is a partial perspective view showing the bifurcation segment portion of the body in an enlarged manner. 5 and 6 show a second embodiment of the present invention, and FIG. FIG. 6 is a vertical cross-sectional view showing the joint between the branch segment and the branch support according to the same embodiment; FIGS. 7 and 8 a and b show the second embodiment. Fig. 7 is a vertical cross-sectional view showing the joint between the branch segment and the branch support;
Figure a is a partial perspective view of a bifurcation segment, Figure b is a partial perspective view of a bifurcation support, and Figure 9 illustrates the prior art, which is a cylindrical wall for lining a horizontal double excavation hole. It is a front view showing a body. A...Tubular wall for lining, 1A...Upper main wall,
1B...Lower main wall part, 3, 3'...Joint fittings, 4
, 5... Branch segment, 4a, 5a... Connection end surface, 4b, 5b... Top surface, 6... Branch support body, 6a... Connection end surface, 6b... Bottom surface, 8... Bolt, 10... Hanging board.

Claims

[Scope of Claim for Utility Model Registration] In order to line the vertical double excavation hole, an upper main wall portion for lining the upper excavation hole, a lower main wall portion for lining the lower excavation hole, and the above-mentioned The branch segment in the tubular wall body for lining, which is composed of a branch segment disposed facing each other between both main wall parts, and a branch support body constructed between both the branch segments. and the branch part support, wherein the branch part segment and the branch part support are bolted together via a joint fitting, and the lower part of the connecting end surface of the branch part segment and the branch part support When the branch support is positioned between both branch segments, from at least one of the upper parts of the connection end surfaces of A branch segment and a branch support in a cylindrical lining wall body characterized by protruding hanging plates that abut on adjacent upper surfaces and support the load applied to the branch support. Joint structure.