GB2381012A - Retrofitted communications mast - Google Patents
Retrofitted communications mast Download PDFInfo
- Publication number
- GB2381012A GB2381012A GB0125342A GB0125342A GB2381012A GB 2381012 A GB2381012 A GB 2381012A GB 0125342 A GB0125342 A GB 0125342A GB 0125342 A GB0125342 A GB 0125342A GB 2381012 A GB2381012 A GB 2381012A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mast
- additional
- existing
- masts
- retrofitted
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1242—Rigid masts specially adapted for supporting an aerial
Landscapes
- Support Of Aerials (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
To upgrade the load bearing capacity of an existing mast 11 bearing one or more antennae, one or more additional masts 14, 15 are provided which connect 16, 17 at or near to the top with the existing mast to form a composite structure. Preferably the additional masts are no higher than the existing mast. This allows an existing mast to be strengthened to receive additional equipment 19 and promote site sharing for telecommunication facilities without having to replace existing masts with unattractive lattice constructions.
Description
COM\IUNICATIONS MAST
The present invention relates to a communication mast and more particularly to an improved method of constructing a communication mast.
5 Communication masts are used for all types of wireless corornunication and come in many different shapes and sizes. From a structural point of view, a lattice construction has been shown to provide a strong durable structure upon which to locate antennae of different types and size. However, many people consider lattice constructions to be unattractive and in the recent past this has resulted in slim 10 tubular constructions being utilised in order to reduce the visual impact of the mast. A problem with a tubular construction is that in order to ensure that it has little visual impact, the outside diameter of the tube is kept to a minimum havin;, regard to the load which it is designed to carry. This means that if one wishes to 15 fit further antennae on such a mast, it may prove impossible to do without entirely replacing the mast and in turn this has resulted in a number of monopole masts being located close to each other which is itself visually detrimental.
The present invention provides a method by which an existing mast, be it a tubular or other type of construction, can be modified in order to increase the load 20 bearing capacity of the structure.
In its preferred form, the present invention provides a communication mast structure which comprises the original communications mast supplemented by one or more additional masts which are connected to the original mast in order to provide a composite structure which is capable of bearing a greater load than the 25 original mast.
? In order that the present invention be more readily understood an embodiment thereof will now be described by we; of example levity reference to the accompanying drawings. in \vhich: Fig I shows an existing form of communications mast; and Fig 2 shows a communications mast according to the present invention.
Before describing the present invention in detail. it is considered helpful to show an example of an existing form of communication mast and attention is directed to Fig 1 which shows a communication mast 10 in the form of a tapering tubular structure 11 which has, at its free end, an antenna or antennas 12. In order 10 to reduce the visual impact of the mast, the outer diameter of the tapering structure 11 is carefully designed having regard to the loads being placed on it by the antenna or antennas 12 as well as the usual environmental loads. This, in turn.
means that the structure cannot normally support any further antenna or other electronic equipment.
IS In the present planning climate, site sharing is being encouraged and so there is a requirement for each mast to be provided with as many antennae as possible utilising the same mast location and communications cabinet and other ancillary equipment.
Turning now to Fig 2, this shows a proposal for allowing the same location 20 to be used for additional antennae. It consists of an existing mast for example the one shown in Fig 1 but there are one or more additional masts erected adjacent to the existing mast and connected to it. In Fig 2, two additional masts 14 and 15 are provided \vhich are slightly shorter than the original mast 11. The tops of the additional masts are connected to each other and to the original mast in order to 25 form a triangular structure when received from above. As shown the connection can be in the form of struts I6 and cross-bracing 17. Additional antennae or other
communications equipment 19 can be provided on improved structure by being fitted to the additional mast or masts or even on the original mast.
Many variations can be made on the basis of this concept. For example the number of additional masts can be varied considerably. Also, the additional masts need not be connected to each other but can simply be connected to the existing mast, the additional mast or masts can be of similar shape and dimensions to the original mast or can vary considerably in terms of height and/or width (diameter if circular in cross section). Preferably, the or each additional mast is no higher than the original mast. However, in certain circumstances it may prove possible to 10 create a composite structure with the additional masts higher than the original mast.
Claims (6)
1. A method of constructing a communication mast comprising the steps of: a) providing an existing mast provided with one or more antennas; 5 b) adding one or more additional masts subject to the existing mast.
and c) connecting the or each additional mast to the existing mast to form a composite structure.
10
2. A method according to claim 1, and comprising adding additional equipment to the composite structure.
3. A method according to claim 1 or 2, wherein the or each additional mast is no higher than the existing mast.
4. A method according to claim 1, 2 or 3 wherein the or each additional mast is connected to the existing mast at a location at or near the top of the additional masts. 20
5. A method according to any one of previous claims wherein the existing past is a monopole.
6. A method according to claim 5, wherein the or each additional mast is a monopole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0125342A GB2381012B (en) | 2001-10-22 | 2001-10-22 | Communications mast |
| EP02257323A EP1304432A3 (en) | 2001-10-22 | 2002-10-22 | Communications mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0125342A GB2381012B (en) | 2001-10-22 | 2001-10-22 | Communications mast |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0125342D0 GB0125342D0 (en) | 2001-12-12 |
| GB2381012A true GB2381012A (en) | 2003-04-23 |
| GB2381012B GB2381012B (en) | 2005-07-20 |
Family
ID=9924308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0125342A Expired - Lifetime GB2381012B (en) | 2001-10-22 | 2001-10-22 | Communications mast |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1304432A3 (en) |
| GB (1) | GB2381012B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2435273A (en) * | 2006-02-18 | 2007-08-22 | Rail Plant Ltd | Portable, telescopic stand having internal power cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU188275U1 (en) * | 2018-12-12 | 2019-04-04 | Закрытое акционерное общество "Русские Башни" | MAST SUPPORT RACK |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026627A (en) * | 1995-09-01 | 2000-02-22 | Fwt, Inc. | Antenna support for power transmission tower |
| JP2000174521A (en) * | 1998-12-09 | 2000-06-23 | Kajima Corp | Structure and engineering for improving communication ability of existent radio wave tower |
-
2001
- 2001-10-22 GB GB0125342A patent/GB2381012B/en not_active Expired - Lifetime
-
2002
- 2002-10-22 EP EP02257323A patent/EP1304432A3/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026627A (en) * | 1995-09-01 | 2000-02-22 | Fwt, Inc. | Antenna support for power transmission tower |
| JP2000174521A (en) * | 1998-12-09 | 2000-06-23 | Kajima Corp | Structure and engineering for improving communication ability of existent radio wave tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2435273A (en) * | 2006-02-18 | 2007-08-22 | Rail Plant Ltd | Portable, telescopic stand having internal power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1304432A3 (en) | 2004-01-14 |
| GB0125342D0 (en) | 2001-12-12 |
| EP1304432A2 (en) | 2003-04-23 |
| GB2381012B (en) | 2005-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |