JPH0318298U - - Google Patents
Info
- Publication number
- JPH0318298U JPH0318298U JP7586689U JP7586689U JPH0318298U JP H0318298 U JPH0318298 U JP H0318298U JP 7586689 U JP7586689 U JP 7586689U JP 7586689 U JP7586689 U JP 7586689U JP H0318298 U JPH0318298 U JP H0318298U
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing bar
- segment
- main reinforcing
- arc
- extending along
- 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 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図はシールド工法で覆工されたＲＣセグメ
ントの斜視図、第２図はこの考案のＲＣセグメン
トを示す一部を破断して表した斜視図、第３図は
この考案のＲＣセグメントの縦断正面図、第４図
はこの考案をＲＣセグメントにおけるつなぎ鋼材
の取付状態を示す側面図、第５図はこの考案に係
る網状鉄筋の平面図、第６図はＲＣセグメントの
強度試験における載荷方法を示す正面図、第７図
は従来のＲＣセグメントを示す一部を破断して表
した斜視図、第８図は従来のＲＣセグメントの縦
断正面図である。
１……ＲＣセグメント、２……主筋、３……配
力筋、４……網状鉄筋、５……つなぎ鋼材、５ａ
……止着部、Ｈ……かぶり、Ｔ……セグメント厚
さ、Ｐ……主筋と配力筋の交点、Ｄ……ＲＣセグ
メントの外径。
Figure 1 is a perspective view of an RC segment lined using the shield method, Figure 2 is a partially cutaway perspective view of the RC segment of this invention, and Figure 3 is a longitudinal cross-section of the RC segment of this invention. Fig. 4 is a front view of this invention, Fig. 4 is a side view showing how the connecting steel is attached to the RC segment, Fig. 5 is a plan view of the mesh reinforcing bar according to this invention, and Fig. 6 shows the loading method in the strength test of the RC segment. 7 is a partially cutaway perspective view showing a conventional RC segment, and FIG. 8 is a longitudinal sectional front view of the conventional RC segment. 1... RC segment, 2... Main reinforcement, 3... Distribution bar, 4... Reticular reinforcement, 5... Connecting steel material, 5a
...Fixed portion, H...cover, T...segment thickness, P...intersection of main reinforcement and distribution reinforcement, D...outer diameter of RC segment.
Claims (1)
成されたコンクリート板の内部に多数条の鉄筋を
埋設したＲＣセグメントにおいて、前記鉄筋を、
コンクリート板の外径側の円弧に沿つて延びる外
側主筋および内径側の円弧に沿つて延びる内側主
筋と、前記外側主筋と内側主筋の対面側にそれぞ
れ格子状に配して溶接された複数条の配力筋とに
より構成したことを特徴とするシールドトンネル
の覆工用ＲＣセグメント。 In an RC segment in which a large number of reinforcing bars are buried inside a concrete plate formed in an arc shape as a lining member for a shield tunnel, the reinforcing bars are
An outer main reinforcing bar extending along an arc on the outer diameter side of the concrete plate, an inner main reinforcing bar extending along an arc on the inner diameter side, and a plurality of strips welded in a grid pattern on opposite sides of the outer main reinforcing bar and the inner main reinforcing bar. An RC segment for lining a shield tunnel, characterized in that it is composed of distribution reinforcements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7586689U JPH0318298U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7586689U JPH0318298U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0318298U true JPH0318298U (en) | 1991-02-22 |
Family
ID=31616825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7586689U Pending JPH0318298U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009191465A (en) * | 2008-02-12 | 2009-08-27 | Ohbayashi Corp | Segment piece, segment ring, and tunnel lining body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125531A (en) * | 1974-03-20 | 1975-10-02 | ||
| JPS5943599B2 (en) * | 1977-06-20 | 1984-10-23 | 日本ジツコウ株式会社 | Wire rope terminal processing method |
-
1989
- 1989-06-28 JP JP7586689U patent/JPH0318298U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125531A (en) * | 1974-03-20 | 1975-10-02 | ||
| JPS5943599B2 (en) * | 1977-06-20 | 1984-10-23 | 日本ジツコウ株式会社 | Wire rope terminal processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009191465A (en) * | 2008-02-12 | 2009-08-27 | Ohbayashi Corp | Segment piece, segment ring, and tunnel lining body |
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