JPH02106092U

JPH02106092U -

Info

Publication number: JPH02106092U
Application number: JP1211489U
Authority: JP
Priority date: 1989-02-03
Filing date: 1989-02-03
Publication date: 1990-08-23

Description

[Brief explanation of drawings]

第１図は本考案の地中構造物構築用コンクリー
ト函体の第１実施例を示す斜視図、第２図はこの
第１図のコンクリート函体にゴムリングを嵌めた
状態の斜視図、第３図は第２実施例を示す斜視図
、第４図、第５図はそれぞれ第１実施例、第２実
施例での函体相互の接続部を示す縦断側面図、第
６図は第２実施例の函体のセツト状態を示す側面
図、第７図は本考案のコンクリート函体を使用す
る工法の一例としてのオープンシールド工法の説
明図、第８図は従来例を示す斜視図である。１……コンクリート函体、１ａ……上面、１ｂ
……左側面、１ｃ……右側面、１ｄ……底面、１
ｅ……壁体、２……直角な角部、３……貫通部、
４……ハンチ、５……湾曲部、６……凹所、７…
…溝、８……ゴムリング、９……鋼製カラー、１
０……高さ調整材、１１……オープンシールド機
、１１ａ，１１ｂ……側壁板、１１ｃ……底板、
１１ｄ……テール部、１２……推進ジヤツキ、１
３……隔壁、１４……地中構造物、１５……埋戻
し、１９……掘削手段 Fig. 1 is a perspective view showing the first embodiment of the concrete box for constructing underground structures of the present invention, Fig. 2 is a perspective view of the concrete box shown in Fig. 1 with a rubber ring fitted therein; 3 is a perspective view showing the second embodiment, FIGS. 4 and 5 are longitudinal sectional side views showing the connections between the boxes in the first and second embodiments, respectively, and FIG. FIG. 7 is an explanatory diagram of an open shield construction method as an example of a construction method using the concrete box of the present invention, and FIG. 8 is a perspective view showing a conventional example. . 1...Concrete box, 1a...Top surface, 1b
...Left side, 1c...Right side, 1d...Bottom, 1
e...Wall body, 2...Right angle corner, 3...Penetrating part,
4... Haunch, 5... Curved portion, 6... Recess, 7...
...Groove, 8...Rubber ring, 9...Steel collar, 1
0... Height adjustment material, 11... Open shield machine, 11a, 11b... Side wall plate, 11c... Bottom plate,
11d...tail part, 12...propulsion jack, 1
3... Bulkhead, 14... Underground structure, 15... Backfill, 19... Excavation means

Claims

[Scope of Claim for Utility Model Registration] (1) In a concrete box with a rectangular cross section, the connection parts of the top surface, left and right side surfaces, and bottom surface of the outer circumferential surface of the box are curved in a rounded shape to eliminate corners. A concrete box for constructing underground structures featuring: (2) Claim 1, wherein a steel collar having the same outer circumferential shape as the outer circumferential shape of the box is incorporated at one end of the box, and a recess into which the steel collar fits is formed at the other end.
Concrete box for constructing underground structures as described in Section 1.