JPH0262996U - - Google Patents
Info
- Publication number
- JPH0262996U JPH0262996U JP13944788U JP13944788U JPH0262996U JP H0262996 U JPH0262996 U JP H0262996U JP 13944788 U JP13944788 U JP 13944788U JP 13944788 U JP13944788 U JP 13944788U JP H0262996 U JPH0262996 U JP H0262996U
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- shield
- jack
- ground
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はこの考案にかかるシールド掘進機の断
面図、第２図の右半分は第１図のＡ―Ａ、左半分
は同図のＢ―Ｂ線断面図、第３図は妻型枠の断面
図、第４図〜第９図は掘進作業を示す一部断面図
である。
１……シールド掘進機、２……シールドジヤツ
キ、３……妻型枠、４……収縮材、５……鉄筋挿
通孔、６……仮受けジヤツキ、７……内型枠、８
……ブラケツト、９……鉄筋、１０……コンクリ
ート。
Figure 1 is a cross-sectional view of the shield excavator according to this invention, the right half of Figure 2 is a cross-sectional view taken along line A-A in Figure 1, the left half is a cross-sectional view taken along line B-B of the same figure, and Figure 3 is a gable formwork. , and FIGS. 4 to 9 are partial sectional views showing the excavation work. 1... Shield tunneling machine, 2... Shield jack, 3... Gable formwork, 4... Shrink material, 5... Rebar insertion hole, 6... Temporary support jack, 7... Inner formwork, 8
...Bracket, 9...Reinforcement, 10...Concrete.
Claims (1)
組立て、内型枠と地山との間にコンクリートを打
設してシールドジヤツキのロツドに取付けた妻型
枠をコンクリートに押圧してトンネル覆工を行う
シールド掘進機において、 前記妻型枠の内周側に周方向に連続して、内型
枠の端部に圧接したとき後退するストツパー付き
収縮材を備えるとともに、前記シールドジヤツキ
の他に、土圧によつて押し戻されるのを防止する
仮受けジヤツキを設けたことを特徴とするシール
ド掘進機。[Scope of claim for utility model registration] An inner formwork was assembled behind the shield excavator along the ground, concrete was poured between the inner formwork and the ground, and the gable was attached to the rod of the shield jack. In a shield excavator that performs tunnel lining by pressing formwork against concrete, a shrink material with a stopper that is continuous in the circumferential direction on the inner circumferential side of the end formwork and that retreats when pressed against the end of the inner formwork. A shield excavator, characterized in that the shield jack is further provided with a temporary receiving jack for preventing the shield jack from being pushed back by earth pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13944788U JPH0626627Y2 (en) | 1988-10-26 | 1988-10-26 | Shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13944788U JPH0626627Y2 (en) | 1988-10-26 | 1988-10-26 | Shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262996U true JPH0262996U (en) | 1990-05-10 |
| JPH0626627Y2 JPH0626627Y2 (en) | 1994-07-20 |
Family
ID=31402714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13944788U Expired - Lifetime JPH0626627Y2 (en) | 1988-10-26 | 1988-10-26 | Shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626627Y2 (en) |
-
1988
- 1988-10-26 JP JP13944788U patent/JPH0626627Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626627Y2 (en) | 1994-07-20 |
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