JPS5673728A - Concrete framework for underground construction - Google Patents
Concrete framework for underground constructionInfo
- Publication number
- JPS5673728A JPS5673728A JP15153979A JP15153979A JPS5673728A JP S5673728 A JPS5673728 A JP S5673728A JP 15153979 A JP15153979 A JP 15153979A JP 15153979 A JP15153979 A JP 15153979A JP S5673728 A JPS5673728 A JP S5673728A
- Authority
- JP
- Japan
- Prior art keywords
- framework
- frameworks
- cut sections
- underground construction
- bevels
- 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
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
PURPOSE: To nearly automatize the assembly, etc., of concrete framework for underground construction for saving time and labor therefor by using a method in which the inner wall plates of an inside framework are closed inwards by the operation of a lever and at the same time the outer wall plates of an outside framework are fallen outwards.
CONSTITUTION: A framework in which the vertical bevels 15aW15d of the connections between left and right inner frameworks 18c and 18d and front and rear inner frameworks 18a and 18b are combined with the bevels 16aW16d at the upper end portion to form a set of inner framework, where they are joined by cutting at cut sections 17aW17d parallel with the inner framework, and the left and right inner frameworks 18c and 18d crossing with the cut sections in this way are inclined inwards at hinges 19 and 19' at the lower end and then an aperture is produced between the both end cut sections of the left and right inner framewroks 18c and 18d being inclined and the inner surfaces of the front and rear inner frameworks 18a and 18b to enable them to be inclined toward the inside of next front and rear inner frameworks 18a and 18b is constructed. Time and labor can be saved by using such a framework.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15153979A JPS5673728A (en) | 1979-11-20 | 1979-11-20 | Concrete framework for underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15153979A JPS5673728A (en) | 1979-11-20 | 1979-11-20 | Concrete framework for underground construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5673728A true JPS5673728A (en) | 1981-06-18 |
| JPS5753164B2 JPS5753164B2 (en) | 1982-11-11 |
Family
ID=15520717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15153979A Granted JPS5673728A (en) | 1979-11-20 | 1979-11-20 | Concrete framework for underground construction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5673728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61141392U (en) * | 1985-02-22 | 1986-09-01 |
-
1979
- 1979-11-20 JP JP15153979A patent/JPS5673728A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61141392U (en) * | 1985-02-22 | 1986-09-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5753164B2 (en) | 1982-11-11 |
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