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WO2018094456A1 - Pylônes radio, et systèmes et procédés de construction de ceux-ci - Google Patents

Pylônes radio, et systèmes et procédés de construction de ceux-ci Download PDF

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Publication number
WO2018094456A1
WO2018094456A1 PCT/AU2017/051284 AU2017051284W WO2018094456A1 WO 2018094456 A1 WO2018094456 A1 WO 2018094456A1 AU 2017051284 W AU2017051284 W AU 2017051284W WO 2018094456 A1 WO2018094456 A1 WO 2018094456A1
Authority
WO
WIPO (PCT)
Prior art keywords
monopole
internal
radio tower
skin
outer skin
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.)
Ceased
Application number
PCT/AU2017/051284
Other languages
English (en)
Inventor
Andrew Price
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.)
Australian Radio Towers Infrastructure Pty Ltd
Original Assignee
Australian Radio Towers Infrastructure Pty Ltd
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
Priority claimed from AU2016904766A external-priority patent/AU2016904766A0/en
Application filed by Australian Radio Towers Infrastructure Pty Ltd filed Critical Australian Radio Towers Infrastructure Pty Ltd
Priority to AU2017365705A priority Critical patent/AU2017365705A1/en
Publication of WO2018094456A1 publication Critical patent/WO2018094456A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/34—Mast, tower, or like self-supporting or stay-supported antennas

Definitions

  • the present invention relates to radio towers and/or masts, and systems and methods for the construction thereof.
  • the present invention relates to monopoles, and systems and methods for the construction thereof.
  • Radio towers and masts are typically tall self-supporting structures upon which antennae for telecommunications and/or broadcasting are mounted.
  • One type of radio tower is a monopole.
  • monopoles comprise a self-supporting pole.
  • monopoles are usually formed from tubular galvanized steel.
  • monopoles can be 30m high or taller.
  • Traditional monopole designs are based on black raw steel that is formed and then hot dipped galvanised for corrosion protection. This provides a heavy wall thickness material.
  • the walls of the monopole are typically 6-9mm thick, for example, to support the weight of the monopole and to resist buckling of the monopole in windy conditions.
  • monopoles Due to the heavy weight of such monopoles, they can be difficult to transport and erect. For example, monopoles typically require a large truck to transport them and heavy machinery such as cranes to unload the monopoles after transportation and to erect them.
  • the present invention relates to radio towers and/or masts, and systems and methods for the construction thereof.
  • the present invention relates to monopoles, and systems and methods for the construction thereof
  • the invention resides in a monopole radio tower comprising a plurality of skins, including an outer skin and one or more internal skins.
  • each skin comprises a plurality of monopole sections coupled together.
  • the monopole sections are coupled together via splice joints.
  • the splice joints between monopole sections of one or more of the internal skins are offset from the splice joints between monopole sections of the outer skin.
  • each splice joint comprises an internal splice plate.
  • the internal splice plate can have a cross-sectional shape that corresponds to the cross- sectional shape of the monopole section connected thereto.
  • each splice joint comprises a plurality of external splice plates.
  • an external splice plate can be used for each lateral side of the monopole section.
  • one or more fasteners such as bolts, couple one of the external splice plates to a corresponding one of the internal splice plates.
  • each skin and/or section comprises a plurality of portions coupled together, for example, via fasteners such as pins.
  • one or more of the internal skins comprise one or more corrugations.
  • the outer skin comprises one or more sides adjacent the corrugations of the internal skins.
  • the outer skin can have an octagonal or substantially octagonal cross-section.
  • the outer skin is coupled to one of the internal skins at one or more of the corrugations.
  • adjacent portions of the outer skin are coupled via a lateral butt joint, wherein the adjacent portions are coupled to one of the internal skins adjacent the butt joint.
  • the monopole comprises a base section.
  • the base section comprises a base plate.
  • the base section comprises an outer connecting section and one or more internal connecting sections coupled to, or integrally formed with, the base plate.
  • the monopole is tapered upwardly.
  • the monopole is formed of a sheet metal material, such as, sheet steel.
  • the sheet metal material is pre-coated, for example, with a protective coating, such as, colour bond, zincalume, galvanised and/or one or more Zam® coating products.
  • a protective coating such as, colour bond, zincalume, galvanised and/or one or more Zam® coating products.
  • the invention resides in a method for constructing a monopole radio tower comprising a plurality of skins, the method comprising: coupling together a plurality of first monopole sections to form an internal skin; and coupling together a plurality of second monopole sections to form an outer skin.
  • the method comprises coupling together a plurality of portions of the internal skin to form a section of the internal skin.
  • the method comprises coupling together a plurality of portions of the outer skin to form a section of the outer skin.
  • coupling together the plurality of portions of the outer skin comprises coupling adjacent portions of the outer skin together via the internal skin.
  • the method further comprises coupling a corrugation in the internal skin to a side of the outer skin to mitigate buckling.
  • the invention resides in a method of manufacturing a monopole radio tower comprising a plurality of skins, including an outer skin and one or more internal skins, the method comprising forming a plurality of monopole sections for each skin from sheet metal.
  • the sheet metal comprises a pre-applied protective coating.
  • Fig. 1 illustrates a monopole comprising a plurality of monopole sections coupled together
  • FIG. 2 illustrates an exploded view of a monopole comprising a plurality of skins according to one embodiment of the invention
  • FIG. 3 illustrates a cross-sectional view of the monopole according to one embodiment of the invention
  • Fig. 4 illustrates a butt joint according to one embodiment of the invention
  • Fig. 5 illustrates part of a monopole according to one embodiment of the invention
  • Fig. 6 illustrates a cross-sectional view of the monopole of Fig. 5 according to one embodiment of the invention
  • Fig. 7 illustrates a butt joint of the monopole of Fig. 5 according to one embodiment of the invention
  • Fig. 8 illustrates a ladder section of the monopole of Fig. 5 according to one embodiment of the invention
  • Fig. 9 illustrates an example monopole according to one embodiment of the invention.
  • Fig. 1 0 illustrates another example monopole according to one embodiment of the invention
  • Fig. 1 1 illustrates a first fastener arrangement according to one embodiment of the invention
  • FIG. 1 2 illustrates a second fastener arrangement according to one embodiment of the invention
  • FIG. 1 3 illustrates a fastener connection according to one embodiment of the invention
  • Fig. 14 illustrates a third fastener arrangement according to one embodiment of the invention.
  • FIG. 1 5 illustrates a fourth fastener arrangement according to one embodiment of the invention
  • Fig. 1 6 illustrates a cross-sectional view of a monopole comprising three skins according to one embodiment of the invention
  • FIG. 1 7 illustrates a perspective view of a mounting structure for mounting aerials to a monopole according to one embodiment of the invention
  • Fig. 1 8 illustrates a perspective view of one or more aerials mounted to a monopole according to one embodiment of the invention
  • Fig. 1 9 illustrates a perspective view of a monopole section according to one embodiment of the invention.
  • Fig. 20 illustrates a cross sectional view of a monopole according to one embodiment of the invention.
  • the present invention relates to radio towers and/or masts, and systems and methods for the construction thereof.
  • the present invention relates to monopoles, and systems and methods for the construction thereof
  • Embodiments of the present invention include a monopole radio tower comprising a plurality of sections, which, for example, enable the monopole radio tower to be transported more easily and constructed on site.
  • the monopole radio tower comprises a plurality of skins.
  • the monopole is tapered upwardly and/or an outer skin of the monopole comprises: three or more lateral sides.
  • Fig. 1 illustrates a monopole 100 comprising a plurality of monopole sections 1 10 coupled together.
  • a lowest monopole section 1 10A is coupled to a surface, such as a concrete footing, for example, via a base plate.
  • Fig. 2 illustrates an exploded view of a monopole 200, according to one embodiment of the invention.
  • the monopole 200 comprises an outer skin 210 and an internal skin 250.
  • Each skin 210, 250 comprises a plurality of monopole sections 220, 260 coupled together.
  • the joints 270 between the monopole sections 260 of the internal skin 250 are offset from the joints 230 between monopole sections 220 of the outer skin 21 0.
  • a base monopole section 220A of the outer skin 210 is shorter than a base monopole section 260A of the internal skin 250 to enable the joints 230, 270 to be offset.
  • An uppermost monopole section 260B of the internal skin 250 is also shorter than the uppermost section 220B of the outer skin 210 such that the outer skin 210 and the internal skin 250 have a similar length.
  • the internal skin 250 and the outer skin 21 0 can be made from high tensile steel and can have a thickness of about 3mm.
  • Fig. 3 illustrates a cross-sectional view of the monopole 200 according to one embodiment of the invention.
  • the internal skin 250 comprises corrugations 255.
  • the outer skin 210 comprises sides 215 adjacent the corrugations 255 of the internal skin 250.
  • the outer skin has an octagonal cross-section, i.e. eight sides 215.
  • the outer skin 21 0 is coupled to the internal skin 250 at the corrugations 255, for example, via one or more fasteners 310 between each corrugation 255 of the internal skin 250 and the adjacent side 215 of the outer skin 210.
  • a width of the corrugation is about a third of a width of the side and the corrugation divides the side into three substantially equal sections. This reduces a buckling width of the side and mitigates buckling of the monopole 200.
  • the design shown in Fig. 3 is used, for example, for sections of the monopole 200 having a width of 660mm - 1 010mm.
  • each portion 240 comprises two sides 215 of the outer skin 210.
  • the internal skin 250, and/or each monopole section 260 of the internal skin 250 comprises a plurality of portions 280.
  • each portion 240 includes two corrugations 255 which are fixed to the corresponding two sides 215 of the outer skin 210.
  • each skin 210, 250 are coupled together, for example, via fasteners such as pins.
  • adjacent portions 240 of the outer skin 210 are coupled together via a lateral butt joint 290.
  • a corner 242 of each potion 240 of the outer skin 210 stiffens the monopole 200 to mitigate buckling.
  • the internal angle of the corner can be increased or decreased by changing the number of sides 215 of the outer skin 210.
  • Fig. 4 illustrates the butt joint 290 according to one embodiment of the
  • the portions 280 of the internal skin 250 comprise a first flange 282 at a first end of each portion 280 and a second flange 284 at a second end of each portion 280.
  • the first flange 282 of each portion 280 couples to a parallel surface of the second flange 284 of an adjacent portion 280, for example, via fasteners 310.
  • a corner flange 286 extends from the first flange 282.
  • Adjacent portions 240 of the outer skin 210 are coupled to the corner flange 286 of the internal skin 250, for example, via fasteners 310, on either side of a corner 288 of the corner flange 286 to form the butt joint 290.
  • Fig. 5 illustrates part of a monopole 400 according to one embodiment of the invention.
  • the monopole 400 has an outer skin 410 and an internal skin 420.
  • the monopole 400 comprises a plurality of monopole sections 430 coupled together via splice joints 450.
  • Each splice joint 450 comprises an internal splice plate 470.
  • the internal splice plate 470 can have a cross-sectional shape that corresponds to the cross-sectional shape of the monopole section 430.
  • the internal splice plate 470 has an octagonal cross section.
  • the internal splice plate 470 comprises a plurality of apertures 472 to receive fasteners to fasten the internal splice plate 470 to the adjacent monopole sections 430.
  • two staggered rows of apertures are provided for connection to each section 430.
  • the rows of apertures can be spaced, for example, by 100mm vertically.
  • the fasteners can be, for example, M16 class 8.8 bolts.
  • the bolts are tack welded to the internal skin 410.
  • the internal splice plate 470 can be, for example, approximately 6mm thick and approximately 400mm high.
  • Each splice joint 450 also comprises a plurality of external splice plates 460.
  • the external splice plates 460 include a splice plate for each lateral side of the monopole section 430.
  • the external splice plates 460 comprise each comprises a plurality of apertures 472 to receive fasteners to fasten the external splice plate 460 to the adjacent monopole sections 430.
  • two staggered rows of apertures are provided for connection to each section 430.
  • the rows of apertures can be spaced, for example, by 100mm vertically.
  • the fasteners can be, for example, M16 class 8.8 bolts.
  • the bolts are tack welded to the outer skin 410.
  • Each external splice plate 460 can be, for example, approximately 6mm thick and approximately 400mm high.
  • a width of each external splice plate 460 can be based on a width of each side of the monopole 400 at the splice joint 450.
  • the monopole 400 comprises a base section 440, which comprises a base, a base plate 445, an outer connecting section 465 and an internal connecting section 475.
  • the base plate 445 comprises apertures 442 to fix the monopole 400 to a surface to support the monopole 400 in an upright position.
  • the outer connecting section 465 and the internal connecting section 475 are coupled to, or integrally formed with, the base plate 445.
  • the outer connecting section 465 and the internal connecting section 475 are welded to the base plate 445.
  • the internal connecting section 475 and the outer connecting section 465 each comprise a joint including a plurality of apertures 462, 472 to receive fasteners to couple a monopole section 430 to the connecting section 465, 475.
  • the fasteners can be, for example M16, grade 8.8 bolts. In some embodiments, the fasteners used for the outer
  • connecting section 465 are "hollo-bolts".
  • the internal connecting section 475 and the outer connecting section 465 are octagonal.
  • the internal connecting section 475 and/or the outer connecting section 465 can be about 8mm thick.
  • the based plate can be, for example, about 25mm-40mm thick and can be fastened, for example, to footings via M36, class 8.8 bolts.
  • the internal connecting section 475 protrudes beyond the outer connecting section 465 such the joint of the internal connecting section 475 is accessible.
  • the internal skin 420 of the monopole section 430 is coupled to the outside of the internal connecting section 475 via fasteners.
  • the outer skin 41 0 of the monopole section 430 is coupled to the outside of outer connecting section 465 via fasteners.
  • the monopole is made of steel.
  • Fig. 6 illustrates a cross-sectional view of the monopole 400 according to one embodiment of the invention.
  • the outer skin 410 is coupled to the internal skin 420 via fasteners 415, as described above.
  • the portions of the outer skin 410 and the internal skin 420 are coupled together via butt joints 480 including fasteners 415, as described above.
  • the fasteners 415 can be rivets or heavy duty pins, such as PulsaTM pins made by RamsetTM.
  • the fasteners can be spaced, for example, by 100mm vertically along the section 430.
  • Each portion of the internal skin 420 comprises a corrugation 425 adjacent each face of the outer skin 410.
  • the corrugation 425 stiffens each side of the outer skin 410 to mitigate buckling.
  • the internal skin 420 and the outer skin 410 are spaced apart by approximately 50mm.
  • the internal skin 420 is mounted over the internal splice plate 470.
  • the contour of the outer surface of the internal splice plate 470 corresponds substantially to the contour of the inner surface of the internal skin 420.
  • the external splice plates 460 are fixed to the outside of the outer skin 410 on each side of the outer skin 410 to join adjacent monopole sections 430.
  • One or more fasteners 464 couple the adjacent monopole sections 430 to the internal splice plate 470 and/or the external splice plate 460.
  • the fasteners 464 extend through the external splice plate 460, the outer skin 410, the internal skin 420 and the internal splice plate 470.
  • the monopole 400 can include step pegs or a ladder up at least one side of the monopole, for example, in accordance with Australian standards or other national/international standards.
  • Fig. 6 illustrates an optional ladder section 490 coupled to one side of the outer skin 41 0 and/or to one of the external splice plates 460.
  • the ladder can be offset from the outer skin 410 or the external splice plate 460 a distance of 0 to 200mm.
  • the monopole 400 optionally comprises cable clamps 405.
  • the cable clamps 405 are attached to the outside of the monopole 400.
  • FIG. 7 illustrates the butt joint 480 according to one embodiment of the invention.
  • a first flange 424 is provided at a first end of each portion 422 of the internal skin 420 and a second flange 426 at a second end of each portion 422.
  • Adjacent portions 422 of the internal skin 420 are coupled together via fasteners 415 which couple the first flange 424 of one portion 422 to the second flange 426 of an adjacent portion 422.
  • Adjacent portions 412 of the outer skin 41 0 are coupled via fasteners 415 to a corner flange 428 of the internal skin 420 that extends from the first flange 424.
  • the butt joint 480 is covered by the internal joint plate 470 and the adjacent external joint plates 460.
  • the external joint plates 460 cover the fasteners 415, for example, to protect the fasteners 415 from tempering and/or to mitigate the fasteners 415 from being a hazard on the outside of the monopole 400.
  • Fig. 8 illustrates the ladder section 490 according to one embodiment of the invention.
  • the ladder section 490 comprises a fixing plate 495.
  • the fixing plate 495 is coupled, via fasteners 497, to one side of the outer skin 410 and/or to one of the connecting plates 460.
  • Similar ladder sections 490 can be coupled to each section 430 and/or joint 450 of the monopole 400 to form a ladder up the outside of the monopole 400.
  • the fixing plate can be about 8mm thick, about 150mm long and about 150mm high.
  • the fasteners 497 can be M12, class 5.6 bolts and can be spaced vertically along the monopole 400 in accordance with Australian or other
  • the fasteners 497 can be spaced by 1500mm vertically along the monopole 400.
  • Fig. 9 illustrates an example monopole 400 according to one embodiment of the invention.
  • the monopole 400 is 25m high.
  • Fig. 9 shows the displacement of the end of each monopole section from the base of the monopole and a diameter of the monopole 400 at the end of each monopole section.
  • the monopole sections are about 3.3m high, except the top monopole section which is 3.2m high and the connecting section adjacent the base which is 2m high.
  • Fig. 1 0 illustrates another example monopole 400 according to one embodiment of the invention.
  • the monopole 400 is 30m high.
  • Fig. 10 shows the displacement of the end of each monopole section from the base of the monopole and a diameter of the monopole 400 at the end of each monopole section.
  • the monopole sections are about 3.3m high, except the top monopole section which is 3.6m high.
  • Fig. 1 1 illustrates a first fastener arrangement 500 according to one
  • the first fastener arrangement 500 comprises three vertical lines or columns of fasteners 464 for each external joint plate 460. One of the three columns of fasteners 464 is aligned with the corrugation 425 on the respective side of the monopole 400. The other two columns of fasteners 464 are either side of the corrugation 425.
  • the first fastener arrangement 500 can be used, for example, for monopole sections 430 having a diameter in the range of 660mm-1010mm.
  • the monopole section 430 can have a diameter of about 800mm.
  • the corrugation 425 divides each side of the monopole section 430 into thirds. Each third can be, for example, about 1 12mm wide. This width can be considered to be a width of a stress zone for potential buckling.
  • Fig. 1 2 illustrates a second fastener arrangement 510 according to one embodiment of the invention.
  • the second fastener arrangement 510 comprises two vertical lines or columns of fasteners 464 for each external joint plate 460.
  • the two columns of fasteners 464 are located on either side of the corrugation 425.
  • the second fastener arrangement 510 can be used, for example, for monopole sections 430 having a diameter that is smaller than the monopole sections for which the first fastener arrangement 500 is used.
  • the second fastener arrangement 510 can be used for monopole sections 430 having a diameter in the range of 450mm- 590mm.
  • the corrugation 425 divides each side of the monopole 400 approximately into halves having a stress zone that is, for example, about 124mm wide.
  • the fasteners 464 are M16 or M20, class 8.8 bolts.
  • Fig. 1 3 illustrates a fastener connection 550 according to one embodiment of the invention.
  • the fastener connection 550 comprises a spacer 552 between the outer skin 410 and the inner skin 420.
  • the spacer 552 can be between the inner skin 420 and the internal splice plate 470.
  • spacers can be used between internal skins.
  • Fig. 14 illustrates a third fastener arrangement 520 according to one
  • the fasteners 464 are arranged in three columns 522 across the external splice plate 460. Three rows 524 of fasteners 464 are provided for coupling to each of the adjacent monopole sections 430.
  • Fig. 12 shows a side of a monopole section 430 having a diameter of 800mm. Each row 524 is spaced apart vertically by about 70mm and each column 522 is spaced apart horizontally by about 98mm. The top and bottom rows are vertically offset by about 60mm from the edge of the external splice plate 460.
  • Fig. 1 5 illustrates a fourth fastener arrangement 530 according to one embodiment of the invention.
  • the fasteners 464 are arranged in a staggered or zigzag arrangement with offset rows 534 of three fasteners 464.
  • Four rows 534 of fasteners 464 are provided for coupling to each of the adjacent monopole sections 430.
  • the third fastener arrangement 520 is used between narrower sections 430 of the monopole 400 than the fourth joint arrangement 530.
  • Fig. 13 shows a side of a monopole section 430 having a diameter of 870mm.
  • Each row 534 is spaced apart vertically by about 60mm and the fasteners 464 in each row 534 are spaced apart horizontally by about 108mm.
  • the top and bottom rows are vertically offset by about 60mm from the edge of the external splice plate 460.
  • monopoles described above have two skins
  • some embodiments of the present invention comprise an outer skin and two or more internal skins.
  • Fig. 1 6 illustrates a cross-sectional view of a monopole 600 according to one embodiment of the invention.
  • the monopole 600 comprises an outer skin 610 and two internal skins 620, 630.
  • the outer skin 61 0 and a first internal skin 620 are arranged as described above for the monopole 400.
  • a second internal skin 630 is coupled to the first internal skin 620 via fasteners 640.
  • the second internal skin 630 comprises a plurality of portions 635 which are coupled together.
  • ends of adjacent portions 635 overlap and are coupled together via fasteners 640.
  • the portions of the second internal skin 630 may be coupled together via a butt joint, as described above, by fastening the ends of the portions 635 to the fourth internal skin.
  • the fasteners 464 extend through the external splice plate 460, the outer skin 61 0, the first internal skin 620, the second internal skin 630 and the internal splice plate 470. Spacers 552 are used with the fasteners 464 as described above.
  • Fig. 1 7 illustrates a perspective view of a mounting structure 700 for mounting aerials to the monopole according to one embodiment of the invention.
  • the mounting structure 700 comprises a ring 71 0 upon which aerials can be mounted.
  • Radial members 720 couple the ring to the monopole 1 00.
  • the radial members 720 each comprise a first mounting bracket 730 for fixing the radial member 720 to the monopole 100 via fasteners 750 and a second mounting bracket 740 for fixing the radial member 720 to the ring 710.
  • Fig. 1 8 illustrates a perspective view of one or more aerials 760 mounted to a monopole 100 according to one embodiment of the invention.
  • Two mounting structures 700 are coupled to the monopole 100.
  • One or more aerial mounts 760 are coupled to the rings 710 of the two mounting structures 700 such that they extend between the mounting structures 700.
  • An aerial 770 can be coupled to each aerial mounts 760
  • the monopole can support a weight of up to 1000kg. In some embodiments, the monopole can support a weight of up to 500kg.
  • Fig. 1 9 illustrates a perspective view of a monopole section 800 according to one embodiment of the invention.
  • the monopole section 800 is similar to the monopole section 430 described above.
  • an outer skin 810 of the monopole section 800 comprises two portions 815 and an internal skin 820 of the monopole section 800 comprises four portions 825.
  • Each portion 825 of the internal skin 820 includes a first flange 830 at a first end and a second flange 840 at a second end.
  • the first flange 830 and the second flange 840 each form a corner and have a complementary shape such that the first flange 830 can be received within the second flange 840 and fastened to the second flange 840.
  • Fig. 20 illustrates a cross sectional view of a monopole 900 according to one embodiment of the invention.
  • the monopole 900 comprises an outer skin 910, a first internal skin 920 and a second internal skin 930.
  • the second internal skin 930 has a similar design to the first internal skin 920.
  • the corner flange 928, 938 extends from the second flange 926, 936 of each portion 922, 932 of the internal skins 920, 930.
  • the corner flange 938 of the second internal skin 930 is aligned with a corner 923 at a middle of the portion 922 of the first internal skin 920.
  • Fig. 21 illustrates a method 1 000 for constructing a monopole radio tower comprising a plurality of skins according to one embodiment of the invention.
  • the method 1000 comprises the following steps.
  • the method 1000 comprises coupling together a plurality of first monopole sections to form an internal skin. In some embodiments, the method 1000 comprises coupling together a plurality of portions of the internal skin to form a section of the internal skin. [0097] At step 1020, the method 1000 comprises coupling together a plurality of second monopole sections to form an outer skin. In some embodiments, the method 1000 comprises coupling together a plurality of portions of the outer skin to form a section of the outer skin. The adjacent portions of the outer skin can be coupled together via the internal skin. A corrugation in the internal skin can be coupled to each side of the outer skin to mitigate buckling.
  • the monopole is formed of a sheet metal material, such as, sheet steel.
  • the sheet metal material is pre-coated, for example, with a protective coating, such as one or more of the following: colour bond, zincalume, galvanised and/or one or more Zam® coating products.
  • Embodiments of the present invention can provide strength using light weight materials.
  • the monopole portions, sections and/or skins of embodiments of the present invention may be transported via smaller vehicles and can be more easily lifted.
  • a 30m monopole that would traditionally be transported on a large semi trailer and unloaded with a crane could be delivered using the present invention on a trailer behind a car and unloaded by hand.
  • the present invention can reduce transportation and construction costs and enable the monopole to be transported more easily and transported to difficult to access places.
  • the monopole sections can be attached more simply using fasteners such as screws, rivets, glue and/or bolts without the need for special equipment.
  • the monopole of embodiments of the present invention is also adaptable in that skins can be added to increase the capacity of the monopole radio tower, potentially further than traditional designs.
  • skins can be alternated and repeated, for example, flat skin (layer 1 ), skin with corrugation (layer 2), flat skin (layer 3), skin with corrugation (layer 4), etc. Therefore, the design of the present invention can be adapted to achieve the strength needed for the monopole.
  • the monopoles of the present invention can use pre-coated material, or material that is produced in coils with pre applied protective coatings such as colour bond, zincalume, galvanised and/or Zam® coating products.
  • pre-coated material or material that is produced in coils with pre applied protective coatings such as colour bond, zincalume, galvanised and/or Zam® coating products.
  • pre applied protective coatings such as colour bond, zincalume, galvanised and/or Zam® coating products.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne un pylône radio unipolaire comportant une pluralité d'enveloppes, comprenant une enveloppe extérieure et une ou plusieurs enveloppes internes, chaque enveloppe comportant une pluralité de sections unipolaires couplées ensemble par l'intermédiaire de joints de montage comportant une plaque de montage interne et une pluralité de plaques de montage externes. La plaque de montage interne peut avoir une forme de section transversale qui correspond à une forme de section transversale de la section unipolaire reliée à celle-ci. Les joints de montage entre des sections unipolaires d'une ou de plusieurs des enveloppes internes peuvent être décalées par rapport aux joints de montage entre des sections unipolaires de l'enveloppe externe. Une ou plusieurs des enveloppes internes peuvent comporter une ou plusieurs ondulations.
PCT/AU2017/051284 2016-11-22 2017-11-22 Pylônes radio, et systèmes et procédés de construction de ceux-ci Ceased WO2018094456A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2017365705A AU2017365705A1 (en) 2016-11-22 2017-11-22 Radio towers, and systems and methods for the construction thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2016904766A AU2016904766A0 (en) 2016-11-22 Radio towers, and systems and methods for the construction thereof
AU2016904766 2016-11-22

Publications (1)

Publication Number Publication Date
WO2018094456A1 true WO2018094456A1 (fr) 2018-05-31

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AU (1) AU2017365705A1 (fr)
WO (1) WO2018094456A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020057708A1 (fr) * 2018-09-19 2020-03-26 Suncil Technology Aps Profil configuré pour former un cadre de poteau, et cadre de poteau assemblé par des profils

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050078049A1 (en) * 2003-10-14 2005-04-14 John Trankina Tower reinforcement
WO2006019478A1 (fr) * 2004-07-21 2006-02-23 Composite Technology Corporation Pole composite ondule
WO2009009425A2 (fr) * 2007-07-09 2009-01-15 Scott Ryan Structure de pôle de support et procédé de fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050078049A1 (en) * 2003-10-14 2005-04-14 John Trankina Tower reinforcement
WO2006019478A1 (fr) * 2004-07-21 2006-02-23 Composite Technology Corporation Pole composite ondule
WO2009009425A2 (fr) * 2007-07-09 2009-01-15 Scott Ryan Structure de pôle de support et procédé de fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020057708A1 (fr) * 2018-09-19 2020-03-26 Suncil Technology Aps Profil configuré pour former un cadre de poteau, et cadre de poteau assemblé par des profils

Also Published As

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