JPS5986409A - Method of laying power cable - Google Patents

Method of laying power cable

Info

Publication number
JPS5986409A
JPS5986409A JP57195689A JP19568982A JPS5986409A JP S5986409 A JPS5986409 A JP S5986409A JP 57195689 A JP57195689 A JP 57195689A JP 19568982 A JP19568982 A JP 19568982A JP S5986409 A JPS5986409 A JP S5986409A
Authority
JP
Japan
Prior art keywords
sand
water
power cable
laying power
power
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
Application number
JP57195689A
Other languages
Japanese (ja)
Inventor
昌 木下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP57195689A priority Critical patent/JPS5986409A/en
Publication of JPS5986409A publication Critical patent/JPS5986409A/en
Pending legal-status Critical Current

Links

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 し発明の技術分野1 本発明は、吸水性を与えて熱抵抗を小さクシノこ土砂で
電カケーゾルの周囲を覆うよう(4二した゛重力グーブ
ルのイ1)設り法にPA′tlる。
[Detailed Description of the Invention] Technical Field of the Invention 1 The present invention is designed to cover the periphery of the electric casing sol with small pieces of dirt to provide water absorption and reduce thermal resistance (1). Law PA'tl.

[発明の技術的費用とその間!11rl fnr ]従
来から、゛亀カクーブルを地中1J埋設し、まノJはダ
クI〜内に収納しC1砂で1jlj設りるにあたり、°
電カケーゾルの周囲を砂あるいは砂とレメン1〜を混合
した組成物のような保水性のJ、い材料(’T^(IX
、電カケープルの周囲の熱抵抗を([(滅さL!り送電
容量を増大させることが行われている。
[Technical cost of invention and between! 11rl fnr ] Conventionally, when ``Kameka Kuble is buried 1J underground, Mano J is stored in Dak I ~ and installed 1Jlj with C1 sand, °
Surround the electric kaesol with a water-retentive material ('T^(IX
The power transmission capacity is increased by reducing the thermal resistance around the power cable.

しか(]ながら、このよう、な従来の電カケープルの4
i段yJ法にiljい(は、砂あるいはセメントと砂と
の組合ヒだりCは保水性に限界があるため、これに代え
(さらに保水力の強い素+4を用いることが検討され−
Cいた。
However, there are four conventional power cables like this.
Since sand or a combination of cement and sand has a limited water retention capacity, it has been considered to use element +4, which has a stronger water retention capacity, in place of the i-stage YJ method.
There was C.

例えば持久I114 ’l −221501j公報には
、電カケープルの周囲の土砂の熱抵抗を低くづるために
粒度の異なる2種以上の砂を使用(]、かつこの砂に塩
化カルシウム、ばう1l11賀の吸湿性の強い薬品を混
入りる方法が開示され(いる。
For example, in the Sukyu I114'l-221501j publication, two or more types of sand with different particle sizes are used to lower the thermal resistance of the earth and sand surrounding the electric capeple. A method of incorporating highly hygroscopic chemicals has been disclosed.

しかしながら、ここに示され(いる塩1ヒカルシウノ、
やばう硝等は、烈機塩類Cあるため、流出や拡1ff(
l二J、り経時的に効果が少なくなり易いうえに周辺の
金属部材をJA食さUるJ3てれがある。
However, as shown here (there is salt 1 Hikarushiuno,
Yaba-salt etc. contains Reki Salt C, so it is difficult to leak or spread 1ff (
In addition to the fact that the effect tends to decrease over time, there is also a tendency to erode the surrounding metal parts.

[発明の目的」 本発明はかかる従来の¥弱点を解消1べくhされたちの
ひ、保水性が極めて良好e、しかも経01的変化が少な
く、さらに周辺の金屈部月に対し【も鴇蝕性のない吸水
性物質を電力クープル周囲の土砂中に含有さけた電カケ
ープルの411段り法を提供しようとりるものである。
[Purpose of the Invention] The present invention has been designed to eliminate the drawbacks of the conventional technology, has extremely good water retention, has little change over time, and has a high resistance to the surrounding metal parts. It is an object of this invention to provide a 411-step method for producing electric power caples that avoids containing non-corrosive water-absorbing substances in the earth and sand surrounding the power couple.

[琵明の概要、1 1Jなわち本弁明の電力グーノルの4i設)’i d、
t、iい電カケープルを地中に埋設し、またはタフ1〜
内に収納しく1砂(−埋設りるにあ1.Xす、前i;1
1電力グープルの周囲を吸水性ポリ!−を混合(〕たト
砂(゛・(カ〜うことをQ’=’i n’!どしCいる
[Summary of Bimei, 1 1J, that is, the 4i establishment of electric power gunor of this defense)'i d,
Bury a power cable underground, or use Tough 1~
1 sand to be stored inside (-1.
1 Water-absorbing poly around the power goople! - is mixed () and sand (゛.

本発明に使用(]得る吸水性ボリン−としく(、t、例
えばアクア。(−f(製鉄化学ネ1商品名)の、1、″
)なアクリル光子合体、ポリビニルアルニ1−ルに無水
ンレイン醇1ゝ)照水フタル酸等の環状前照水物を反応
させた変v1ボリビニルフルニ1−ル、澱わ)にアクリ
1.に1−リルをグラノド化し、での−1〜リル1.末
をアミド基またはカルボニル がある。これらの吸水性ポリマーの使用φはクープルの
負CI状態(こより適宜選定さ(しるが通1i,1砂’
l O kgあたり1・〜20 0 o配合1〕( l
i,I用される。
Used in the present invention () to obtain water-absorbing borine (,t, e.g. aqua.(-f (iron manufacturing chemical net 1 trade name),1,''
) acrylic photon coalescence, polyvinyl alnylene 1-l with anhydrous hydroxide 1.) modified v1 polyvinylfurnyl 1-l reacted with a cyclic hydrate such as phthalic acid, ester) with acrylic 1. 1-lyl is granodized, and -1 to lyl 1. There is an amide group or carbonyl at the end. The use φ of these water-absorbing polymers is appropriately selected from Couple's negative CI state (Shirugadori 1i, 1 Sand'
1.~200 o per kg 1] (l
i, I used.

これらの吸水I11ポリマー【、↓水と接触りるど自重
(0 1 0倍」ス十の小の水を吸収し、1〕かも畠分
子物賀Cあるため容易には流出拡散I!づ゛、長期にわ
I、ニー)(有効に1保水性を承り。、また、無l幾塩
類と異なり@)A部材を1帛良さUるようなこともない
These water-absorbing I11 polymers [,↓When they come into contact with water, they absorb water as small as their own weight (0 1 0 times), and because they have molecular properties, they do not easily leak out and diffuse. (Effectively maintains water retention properties over a long period of time. Also, unlike salt-free salts, it does not reduce the quality of the A component.)

なお、木y?,明(、二部用される土砂どしては、砂、
般の−1, IRd5るいはJれらに7j灰等を混合し
たものを使用りることが(−゛きる。
In addition, tree y? , Ming (, The earth and sand used in two parts are sand,
It is possible to use a mixture of general -1, IRd5 or J with 7j ash, etc.

次に本発明の実施例につい′(説明りる。Next, embodiments of the present invention will be explained.

L斤明の実施例1 1へラフ内の砂埋め川に通量用いられる砂10kgく・
−′)き、)7クアキーブ43  (白色粉末)(製鉄
71商品名)を1g混合し、この砂をトラフ内に敷いた
1(01−クープルを布設し、さらに全体r 3 0 
Cllの深さどなるようにこれらの」を上記砂く留った
Example 1 of L 斤明 1. 10kg of sand used for filling the sand in the rough.
-') mixed with 1g of )7 Quaquive 43 (white powder) (Steelworks 71 trade name), spread this sand in the trough, laid 1 (01-couple), and then
The depth of the Cll was as low as the sand above.

しかる摂この1−ラフ内に水を散布し/1. 8時間経
過後(i!111度20%、温度50°に)、0中の含
水仔を測定()たところ37%の水を含有しくいること
が認め13れた。
1-Sprinkle water in the rough/1. After 8 hours had elapsed (i! 111 degrees 20%, temperature 50 degrees), the water-containing eggs were measured () and found to contain 37% water13.

一ノ“jアクア¥−−ゾ4Sを配合し4fい砂を用いC
同−条イ’lCfi’14Mの実験をijい、散水1殻
の含水率を測定したどころ2 4 11.i間軽過後に
0中の含水G1は6%ひあった。
C
The same experiment was carried out on 14M, and the water content of one shell was measured.2 4 11. The water content of G1 in 0 was 6% after lightening for 1 hour.

[発明の効果] Jス上の実#IIi例1)II,’,も明らかなJ、う
に本弁明にJ、れぽ、長Iv]iごわl、二)コミカフ
−フル周辺の土壌の熱抵抗を低く軒1]、jりるJどが
(さ、J: /j:従来の無機J!類を使用りるハ法の
よ)(、二金属部材を腐食(さUるJjで・れbない。
[Effect of the invention] Example 1) II, ', is also clear J, Unimoto's defense J, report, long Iv] i Gowari, 2) Comicafu-Furu surrounding soil Low heat resistance (eaves 1), corrosion of metal parts (sa, j: /j: conventional inorganic J!)・There is no reb.

代狸人弁理士   須 1111〕c 〜(Iよか1名
Proxy Tanuki Patent Attorney Su 1111〕c ~ (1 person)

Claims (1)

【特許請求の範囲】 電カケーフル庖地中に埋設し、またはタフI・内【こ収
納布設しく一1砂r 1ii設りるにあたり、前記電カ
ケープルの周囲を吸水性ポリマーを混合しlこ」−砂(
゛覆うことを特徴とりる雷カクーIルのイ[1設り法。
[Claims] When installing an electric cable, the electric cable is buried in the ground or inside a tough I. −Sand (
゛A method of setting up lightning that is characterized by its covering.
JP57195689A 1982-11-08 1982-11-08 Method of laying power cable Pending JPS5986409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57195689A JPS5986409A (en) 1982-11-08 1982-11-08 Method of laying power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57195689A JPS5986409A (en) 1982-11-08 1982-11-08 Method of laying power cable

Publications (1)

Publication Number Publication Date
JPS5986409A true JPS5986409A (en) 1984-05-18

Family

ID=16345354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57195689A Pending JPS5986409A (en) 1982-11-08 1982-11-08 Method of laying power cable

Country Status (1)

Country Link
JP (1) JPS5986409A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335190A (en) * 1976-08-27 1978-04-01 Electric Power Res Inst Method and device for protecting undergorund electrical device from thermal runnaway

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335190A (en) * 1976-08-27 1978-04-01 Electric Power Res Inst Method and device for protecting undergorund electrical device from thermal runnaway

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