JPH02129516U - - Google Patents
Info
- Publication number
- JPH02129516U JPH02129516U JP3619989U JP3619989U JPH02129516U JP H02129516 U JPH02129516 U JP H02129516U JP 3619989 U JP3619989 U JP 3619989U JP 3619989 U JP3619989 U JP 3619989U JP H02129516 U JPH02129516 U JP H02129516U
- Authority
- JP
- Japan
- Prior art keywords
- crack prevention
- prevention device
- utility
- arm
- arms
- 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
- 230000002265 prevention Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
Description
第１図はこの考案のクラツク防止具の好適実施
例を示すもので、同図ａは平板線を巻き込んで連
結した構造の正面図、同図ｂは溶着した構造の正
面図、第２図ａはよう壁にクラツク防止具を使用
した場合の正面図、同図ｂはその平面図、第３図
は鉄筋が１列の薄壁の場合の平面図、第４図は腕
部に係止部を設けたクラツク防止具の異なる実施
例を示す正面図である。
１……クラツク防止具、２……腕部、３……中
央部分、４……尖鋭部、５……平板線、６……係
止部、１０……よう壁、１１……型枠、１２……
コンクリート、１３……鉄筋、１４……クラツク
発生の想定線。
Figure 1 shows a preferred embodiment of the crack prevention device of this invention. Figure a is a front view of a structure in which flat wires are rolled up and connected, Figure b is a front view of a welded structure, and Figure 2 a is a front view of a welded structure. A front view when a crack prevention device is used on a crawling wall. Figure b is a plan view of the same. Figure 3 is a plan view of a thin wall with one row of reinforcing bars. Figure 4 shows a locking part on the arm. It is a front view which shows the different Example of the crack prevention tool provided with this. DESCRIPTION OF SYMBOLS 1...Crack prevention tool, 2...Arm part, 3...Central part, 4...Sharp part, 5...Flat wire, 6...Locking part, 10...Wall, 11...Formwork, 12...
Concrete, 13... Reinforced steel, 14... Anticipated line for crack occurrence.
Claims (1)
る方向へ延びる複数の腕部を有し、該腕部の先端
に尖鋭部を形成してなることを特徴とするクラツ
ク防止具。 (2) 腕部にその延出方向と異なる方向に突出す
る係止部が形成されていることを特徴とする請求
項１記載のクラツク防止具。 (3) く字状に曲折した平板線を中央で複数個連
結して腕部を放射状に形成してなることを特徴と
する請求項１記載のクラツク防止具。[Claims for Utility Model Registration] (1) A utility model is characterized in that it has a plurality of arms made of a rigid flat wire rod extending in different directions, and a sharp part is formed at the tip of the arm. A crack prevention device. (2) The crack prevention device according to claim 1, wherein the arm portion has a locking portion that projects in a direction different from the direction in which the arm portion extends. (3) The crack prevention tool according to claim 1, characterized in that the arms are formed radially by connecting a plurality of flat wires bent in a dogleg shape at the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989036199U JPH0735947Y2 (en) | 1989-03-29 | 1989-03-29 | Crack prevention tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989036199U JPH0735947Y2 (en) | 1989-03-29 | 1989-03-29 | Crack prevention tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02129516U true JPH02129516U (en) | 1990-10-25 |
| JPH0735947Y2 JPH0735947Y2 (en) | 1995-08-16 |
Family
ID=31542226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989036199U Expired - Lifetime JPH0735947Y2 (en) | 1989-03-29 | 1989-03-29 | Crack prevention tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735947Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6999193B1 (en) * | 2020-09-10 | 2022-01-18 | 国立大学法人京都大学 | Reinforcing material for concrete 3D printing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322950A (en) * | 1986-07-16 | 1988-01-30 | 酒見 裕幸 | Tetra three-dimensional structural filler for reinforcing concrete |
-
1989
- 1989-03-29 JP JP1989036199U patent/JPH0735947Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322950A (en) * | 1986-07-16 | 1988-01-30 | 酒見 裕幸 | Tetra three-dimensional structural filler for reinforcing concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735947Y2 (en) | 1995-08-16 |
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