JPS57108330A - Construction of underground structure - Google Patents
Construction of underground structureInfo
- Publication number
- JPS57108330A JPS57108330A JP55184031A JP18403180A JPS57108330A JP S57108330 A JPS57108330 A JP S57108330A JP 55184031 A JP55184031 A JP 55184031A JP 18403180 A JP18403180 A JP 18403180A JP S57108330 A JPS57108330 A JP S57108330A
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- bottom plate
- concrete
- prestress
- excavated
- 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
- Bulkheads Adapted To Foundation Construction (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
PURPOSE: To increase the strength of an underground structure, suppress the development of cracks, prevent the leak of water, and smoothen the transmission of stress between parts by a method in which PC plate and concrete slab are strongly connected with each other by PC steel material and a prestress is introduced into the concrete slab.
CONSTITUTION: A large number of precast plates (PC plates ) 12 are penetrated into a trench excavated by using mud water to construct an underground wall 14. After the mud water is solidified, the ground between the walls 14 and 14' is excavated, and then in the neighborhood of the bottom 20 of the trench, one ends of prestressed concrete steel material (PC steel) 24 surrounded by a coupler 16 and a sheathed tube 22 provided in the wall 14 are connected with each other for setting. The PC steel material 24 has such a shape that upwardly and convexedly bent portion 26 is formed and its ends are upwardly turned. Iron bars are set in the bottom 20 and concrete is placed to form a bottom plate 28. After the bottom plate 28 has set, the PC steel material 24 is tensed by a jack and its ends are fixed to the bottom plate 28. A prestress is introduced into the bottom plate 28.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55184031A JPS57108330A (en) | 1980-12-26 | 1980-12-26 | Construction of underground structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55184031A JPS57108330A (en) | 1980-12-26 | 1980-12-26 | Construction of underground structure |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57108330A true JPS57108330A (en) | 1982-07-06 |
Family
ID=16146138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55184031A Pending JPS57108330A (en) | 1980-12-26 | 1980-12-26 | Construction of underground structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57108330A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2052433A2 (en) * | 1992-02-13 | 1994-07-01 | Codelfa Prefabbricati S P A | System for the construction of artificial galleries with prefabricated concrete elements |
CN113529790A (en) * | 2021-07-26 | 2021-10-22 | 中铁四局集团第五工程有限公司 | Underground driveway prestressed side wall and tensioning construction method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258211A (en) * | 1975-11-07 | 1977-05-13 | Kumagai Gumi Co Ltd | Method of building underground construction |
JPS53120807A (en) * | 1977-03-30 | 1978-10-21 | Taisei Corp | Method of making structure from precast concrete arc board |
-
1980
- 1980-12-26 JP JP55184031A patent/JPS57108330A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258211A (en) * | 1975-11-07 | 1977-05-13 | Kumagai Gumi Co Ltd | Method of building underground construction |
JPS53120807A (en) * | 1977-03-30 | 1978-10-21 | Taisei Corp | Method of making structure from precast concrete arc board |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2052433A2 (en) * | 1992-02-13 | 1994-07-01 | Codelfa Prefabbricati S P A | System for the construction of artificial galleries with prefabricated concrete elements |
CN113529790A (en) * | 2021-07-26 | 2021-10-22 | 中铁四局集团第五工程有限公司 | Underground driveway prestressed side wall and tensioning construction method thereof |
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