JPS5883516A - 通信線の布設方法 - Google Patents
通信線の布設方法Info
- Publication number
- JPS5883516A JPS5883516A JP18131181A JP18131181A JPS5883516A JP S5883516 A JPS5883516 A JP S5883516A JP 18131181 A JP18131181 A JP 18131181A JP 18131181 A JP18131181 A JP 18131181A JP S5883516 A JPS5883516 A JP S5883516A
- Authority
- JP
- Japan
- Prior art keywords
- communication line
- tunnel
- power
- communication
- disaster prevention
- 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
- 238000000034 method Methods 0.000 title claims description 7
- 230000002265 prevention Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 2
- 241000218645 Cedrus Species 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131181A JPS5883516A (ja) | 1981-11-12 | 1981-11-12 | 通信線の布設方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131181A JPS5883516A (ja) | 1981-11-12 | 1981-11-12 | 通信線の布設方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5883516A true JPS5883516A (ja) | 1983-05-19 |
| JPH0218007B2 JPH0218007B2 (2) | 1990-04-24 |
Family
ID=16098455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18131181A Granted JPS5883516A (ja) | 1981-11-12 | 1981-11-12 | 通信線の布設方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5883516A (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552764U (2) * | 1978-10-05 | 1980-04-08 |
-
1981
- 1981-11-12 JP JP18131181A patent/JPS5883516A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552764U (2) * | 1978-10-05 | 1980-04-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0218007B2 (2) | 1990-04-24 |
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