JPS574387A - Butt welding method for bottom plate of storage tank - Google Patents
Butt welding method for bottom plate of storage tankInfo
- Publication number
- JPS574387A JPS574387A JP16804280A JP16804280A JPS574387A JP S574387 A JPS574387 A JP S574387A JP 16804280 A JP16804280 A JP 16804280A JP 16804280 A JP16804280 A JP 16804280A JP S574387 A JPS574387 A JP S574387A
- Authority
- JP
- Japan
- Prior art keywords
- tack
- welded
- bottom plate
- strips
- base metals
- 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
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
PURPOSE: To make the welding defects in the joint parts of the bottom plates of a storage tank obsolete by tack welding auxiliary straps on the rear side of backing strips on one side, and forming a groove in the joint parts of the backing strips to themselves by gouging.
CONSTITUTION: In the case of performing welding of the joint part 5 of backing strips 1 to themselves after the arrangement of bottom plate base metals 2, an auxiliary strap 4 is further applied on the rear side of the joint part 5, and is beforehand tack-welded only to the one side of the strips 1. When the base metals 2 are arranged, the base metals 2 are tack-welded to the strips 1 by tack welded parts (a), (b), and a groove 6 reaching the strip 4 is formed by arc air gouging. Finally, the regular welding parts (c) of bottom plate base metals to themselves are welded. By the above, the occurrence of weld flaw is prevented, and marked effect is provided in terms of disasters and safety.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16804280A JPS574387A (en) | 1980-12-01 | 1980-12-01 | Butt welding method for bottom plate of storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16804280A JPS574387A (en) | 1980-12-01 | 1980-12-01 | Butt welding method for bottom plate of storage tank |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13325876A Division JPS5358811A (en) | 1976-11-08 | 1976-11-08 | Butt welding of bottom plates of tanks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS574387A true JPS574387A (en) | 1982-01-09 |
Family
ID=15860735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16804280A Pending JPS574387A (en) | 1980-12-01 | 1980-12-01 | Butt welding method for bottom plate of storage tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS574387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157300U (en) * | 1987-04-02 | 1988-10-14 | ||
| JPS6430697A (en) * | 1987-07-28 | 1989-02-01 | S I C Eng Kk | Sewage purifying device by contact material with fixed microbe |
| JPH05245488A (en) * | 1992-03-04 | 1993-09-24 | Katsuragi Takao | Vertical parallel type biological membrane purifying apparatus |
-
1980
- 1980-12-01 JP JP16804280A patent/JPS574387A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63157300U (en) * | 1987-04-02 | 1988-10-14 | ||
| JPS6430697A (en) * | 1987-07-28 | 1989-02-01 | S I C Eng Kk | Sewage purifying device by contact material with fixed microbe |
| JPH05245488A (en) * | 1992-03-04 | 1993-09-24 | Katsuragi Takao | Vertical parallel type biological membrane purifying apparatus |
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