JPS5589545A - Method and device for laying long-sized object under bottom of water - Google Patents
Method and device for laying long-sized object under bottom of waterInfo
- Publication number
- JPS5589545A JPS5589545A JP16422378A JP16422378A JPS5589545A JP S5589545 A JPS5589545 A JP S5589545A JP 16422378 A JP16422378 A JP 16422378A JP 16422378 A JP16422378 A JP 16422378A JP S5589545 A JPS5589545 A JP S5589545A
- Authority
- JP
- Japan
- Prior art keywords
- water
- long
- sized object
- sized
- 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
Abstract
PURPOSE: To easily and inexpensively lay such long-sized objects as a submarine cable or the like under bedrock zone of above 50 of N-value at the bottom of the water.
CONSTITUTION: For the purpose of laying a long-sized object into groove dug out on the hard or rocky water bottom, boulders, sedimentary layers or the like existing on the bottom surface are removed with water jet as indicated with 102, 104 and 202, while plurality of narrow trenches are excavated with plurality of disc cutters 101 on the hard soil or rocks over the bottom of the water and thereafter, a linear trench for the long sized object is excavated with a rock breaker 2 simultaneously with removing mucks thereof by the aid of an ejector or a sand pump 3. And finally, the long-sized objects are laid in position.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16422378A JPS5589545A (en) | 1978-12-27 | 1978-12-27 | Method and device for laying long-sized object under bottom of water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16422378A JPS5589545A (en) | 1978-12-27 | 1978-12-27 | Method and device for laying long-sized object under bottom of water |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5589545A true JPS5589545A (en) | 1980-07-07 |
Family
ID=15789002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16422378A Pending JPS5589545A (en) | 1978-12-27 | 1978-12-27 | Method and device for laying long-sized object under bottom of water |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5589545A (en) |
-
1978
- 1978-12-27 JP JP16422378A patent/JPS5589545A/en active Pending
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