JPH0422598U - - Google Patents
Info
- Publication number
- JPH0422598U JPH0422598U JP6361090U JP6361090U JPH0422598U JP H0422598 U JPH0422598 U JP H0422598U JP 6361090 U JP6361090 U JP 6361090U JP 6361090 U JP6361090 U JP 6361090U JP H0422598 U JPH0422598 U JP H0422598U
- Authority
- JP
- Japan
- Prior art keywords
- lining
- section
- reinforcing bars
- shield
- plate material
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Description
第１図：セグメントをトンネル横断方向に切断
したときの天端の斜視図を示す。第２図：鉄筋ス
ペーサの取り付け方向を変えたときのセグメント
の断面図、第３図：シールド二次覆工工事におけ
る背割型の施工断面図。
Figure 1: Shows a perspective view of the top end when the segment is cut in the tunnel cross direction. Figure 2: A cross-sectional view of the segment when the installation direction of the reinforcing bar spacer is changed. Figure 3: A cross-sectional view of the construction of the back split type during secondary shield lining work.
Claims (1)
後に、一次覆工材の内側にコンクリートを巻き立
てて二次覆工をするシールド二次覆工工事におい
て用いられる鉄筋のスペーサであつて、 断面Ｌ字形の板材からなり、 前記板材の各面にセグメント固定用の開孔と鉄
筋挿通用の孔を開設したことを特徴とする、 シールド二次覆工工事における背割型断面の鉄
筋スペーサ。[Scope of Claim for Utility Model Registration] Reinforcing bars used in shield secondary lining work in which segments are assembled in a ring shape and a primary lining is performed, and then concrete is rolled inside the primary lining material to form a secondary lining. A back split type spacer for secondary shield lining work, which is made of a plate material with an L-shaped cross section, and is characterized by having openings for fixing segments and holes for inserting reinforcing bars on each side of the plate material. Rebar spacer in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6361090U JPH0422598U (en) | 1990-06-18 | 1990-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6361090U JPH0422598U (en) | 1990-06-18 | 1990-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0422598U true JPH0422598U (en) | 1992-02-25 |
Family
ID=31593816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6361090U Pending JPH0422598U (en) | 1990-06-18 | 1990-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422598U (en) |
-
1990
- 1990-06-18 JP JP6361090U patent/JPH0422598U/ja active Pending
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