# US 2018/0323598 A1 · Material and Associated Arrangements, Systems and Methods

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- Number: US 2018/0323598 A1
- Document ID: US20180323598A1
- Status: Published application
- Kind: A1
- Application number: 16/036,121
- Filed: 2018-07-16
- Published: 2018-11-08
- Earliest claimed: 2014-09-10
- Assignees: Murphy Power Networks Limited
- Applicants: Murphy Power Networks Limited
- Inventors: Alexander Martin Routledge; Joanne Wilkins
- Web page: https://patentgrep.com/patent/US20180323598A1

## CPC

- H02G 9/025: {Coverings therefor, e.g. tile}
- C04B 28/02: containing hydraulic cements other than calcium sulfates
- H01B 7/423: {using a cooling fluid}
- H02G 9/02: laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
- H02G 15/013: Sealing means for cable inlets (inlets for cables filled with, or surrounded by, gas or oil H02G15/32)
- C04B 2111/00706: {around pipelines or the like}
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})

## Abstract

A cable surround material for a cable of an electricity transmission system comprising a mixture of: an additive containing carbon; sand; and cement, wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand.

## Claims

### Claim 1

A cable surround material for a cable of an electricity transmission system comprising a mixture of:
an additive containing carbon;
sand; and
cement, wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand.

### Claim 2 (depends on 1)

A cable surround material according to claim 1, wherein the material comprises, by weight, approximately, 67% carbon containing additive, approximately 7% cement, and approximately 26% sand.

### Claim 3 (depends on 1)

A cable surround material according to claim 1, wherein the carbon containing additive comprises greater than approximately 90% by weight carbon.

### Claim 4 (depends on 3)

A cable surround material according to claim 3, wherein the carbon containing additive comprises about 96% by weight carbon.

### Claim 5 (depends on 1)

A cable surround material according to claim 1, wherein the cement is Portland cement.

### Claim 6 (depends on 1)

A cable surround material according to claim 1, wherein the additive contains the carbon family element or a key ingredient or constituent in crystalline or amorphous form, or both.

### Claim 7 (depends on 1)

A cable surround material according to claim 1, wherein the additive contains the carbon family element or a key ingredient or constituent in a granular form of varying sizes.

### Claim 8

A method of mixing a cable surround material comprising a mixture of an additive containing carbon, sand, and cement, wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand, the method comprising:
providing the carbon containing additive;
providing the cement;
providing the sand; and
mixing the carbon containing additive, sand, and cement to form the cable surround material.

### Claim 9

A method of laying a cable comprising:
at least partially surrounding a cable in a cable surround material comprising a mixture of
an additive containing carbon;
sand; and
cement,
wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand.

### Claim 10 (depends on 9)

A method according to claim 9 further comprising mixing the cable surround material by:
providing the carbon containing additive;
providing the cement;
providing the sand and
mixing the carbon containing additive, sand, and cement to form the cable surround material.

### Claim 11 (depends on 9)

A method according to claim 9, further comprising:
providing the cable, wherein the cable is for transmitting high voltage electricity in an electricity transmission system.

### Claim 12

A cable arrangement comprising:
a cable at least partially surrounded by a cable surround material comprising a mixture of:
an additive containing carbon;
sand; and
cement,
wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand.

### Claim 13 (depends on 12)

A cable arrangement according to claim 12, wherein the cable is for transmitting high voltage electricity in an electricity transmission system.

### Claim 14

An electricity transmission system comprising:
A cable arrangement comprising:
a cable at least partially surrounded by a cable surround material comprising a mixture of:
an additive containing carbon;
sand; and
cement,
wherein the material comprises, by weight, approximately 60-80% carbon containing additive, approximately 5-10% cement, and a remainder of sand.

### Claim 15 (depends on 14)

An electricity transmission system according to claim 14, further comprising at least one cable sealing end compound, joint bay, stop joint, or fluid cooling system.