JPS627478U - - Google Patents
Info
- Publication number
- JPS627478U JPS627478U JP9790985U JP9790985U JPS627478U JP S627478 U JPS627478 U JP S627478U JP 9790985 U JP9790985 U JP 9790985U JP 9790985 U JP9790985 U JP 9790985U JP S627478 U JPS627478 U JP S627478U
- Authority
- JP
- Japan
- Prior art keywords
- box culvert
- steel bars
- reinforced
- steel
- displacement
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000004873 anchoring Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Sewage (AREA)
- Rod-Shaped Construction Members (AREA)
- Reinforcement Elements For Buildings (AREA)
Description
第１図は本考案ボツクスカルバートを示す縦断
面図、第２図は同考案のＰＣ鋼棒の配設状態を示
す説明図、第３，４図は従来のボツクスカルバー
トのＰＣ鋼棒の配設状態を示す説明図、第５図は
本考案と従来の湾曲したＰＣ鋼棒による曲げモー
メント比較図、第６図は従来の直線状ＰＣ鋼棒に
よる曲げモーメント作用図である。
１：ＰＣ鋼棒、２：頂版部、３：底版部、４：
ボツクスカルバート、５：断面中心線、６：定着
部、７：鉄筋、８：クラツク。
Figure 1 is a longitudinal cross-sectional view showing the box culvert of the present invention, Figure 2 is an explanatory diagram showing the arrangement of the PC steel bars of the same invention, and Figures 3 and 4 are the arrangement of the PC steel bars of the conventional box culvert. An explanatory diagram showing the state, FIG. 5 is a comparison diagram of bending moment between the present invention and a conventional curved PC steel bar, and FIG. 6 is a diagram showing the effect of bending moment on a conventional straight PC steel bar. 1: PC steel bar, 2: Top plate part, 3: Bottom plate part, 4:
Box culvert, 5: cross-sectional center line, 6: anchorage, 7: reinforcing bar, 8: crack.
Claims (1)
強度補強したいコンクリート製ボツクスカルバー
ト４に於いて、ＰＣ鋼棒１を内側に向けて湾曲さ
せ、しかもＰＣ鋼棒１の中央のボツクスカルバー
トの断面中心線５からの内側変位量ｅ２がＰＣ鋼
棒１の左右の定着部６の外側変位量ｅ１が０．５
乃至１．５倍の範囲としたことを特徴とするボツ
クスカルバートのＰＣ補強構造。 In a concrete box culvert 4 whose strength is to be reinforced by arranging the PC steel bars 1 in the top slab 2 and bottom slab 3, the PC steel bars 1 are curved inward, and the center of the PC steel bars 1 is The inner displacement e2 of the box culvert from the cross-sectional center line 5 is the outer displacement e1 of the left and right anchoring parts 6 of the PC steel bar 1 is 0.5.
A PC reinforced structure of a box culvert characterized by having a PC reinforcement structure in a range of 1.5 to 1.5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9790985U JPS627478U (en) | 1985-06-26 | 1985-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9790985U JPS627478U (en) | 1985-06-26 | 1985-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS627478U true JPS627478U (en) | 1987-01-17 |
Family
ID=30965349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9790985U Pending JPS627478U (en) | 1985-06-26 | 1985-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627478U (en) |
-
1985
- 1985-06-26 JP JP9790985U patent/JPS627478U/ja active Pending
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