EP0184947A2 - Maststruktur mit innerer Diagonalverstrebung - Google Patents

Maststruktur mit innerer Diagonalverstrebung Download PDF

Info

Publication number
EP0184947A2
EP0184947A2 EP85400676A EP85400676A EP0184947A2 EP 0184947 A2 EP0184947 A2 EP 0184947A2 EP 85400676 A EP85400676 A EP 85400676A EP 85400676 A EP85400676 A EP 85400676A EP 0184947 A2 EP0184947 A2 EP 0184947A2
Authority
EP
European Patent Office
Prior art keywords
channel members
structural
pole
interconnected
braces
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
Application number
EP85400676A
Other languages
English (en)
French (fr)
Other versions
EP0184947B1 (de
EP0184947A3 (en
Inventor
Steve Legler
Donald G. Bourdon
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.)
Tri Steel Inc
Original Assignee
Tri Steel Inc
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 Tri Steel Inc filed Critical Tri Steel Inc
Priority to AT85400676T priority Critical patent/ATE49621T1/de
Publication of EP0184947A2 publication Critical patent/EP0184947A2/de
Publication of EP0184947A3 publication Critical patent/EP0184947A3/en
Application granted granted Critical
Publication of EP0184947B1 publication Critical patent/EP0184947B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04H12/10—Truss-like structures

Definitions

  • the present invention relates to an improved structural pole construction, particularly, but not exclusively, for use in transmission lines.
  • the structural pole of the present invention is comprised of two upright metal channel members interconnected by diagonal structural bars extending serially across the channel members whereby the pole is resistant to eccentric loads.
  • the present invention provides a structural pole comprising a pair of upright metal channel members having an elongated flat outer wall with inwardly extending transverse structural flanges.
  • the channel members are interconnectible in substantially parallel relationship, with their flanges extending inwardly, by a series of diagonal inner braces interconnected together and to said outer walls and spanning diagonally across the channel members and disposed in a predetermined pattern throughout the length of the channel members.
  • Each of the diagonal braces is an elongated structural bar having flat angulated connecting ends having at least a through bore therein and securable to the channel members by overlapping the connecting ends of adjacent diagonal braces.
  • Fastener means interconnects each of the overlapping connecting ends with the flat outer wall of the channels whereby the structural pole is resistant to eccentric loads.
  • the pole is comprised essentially of a pair of upright metal channel members 11 and 11' which are interconnected in substantially parallel relationship by a plurality of inwardly disposed braces 12 extending diagonally along the length of the pole.
  • the base 13 of the pole is secured in a concrete form 14 located beneath a ground surface 15.
  • the top end of the pole 10 supports a transmission line mast 16.
  • the pole can be. used for a multitude of other applications and may be interconnected with like poles to form support columns.
  • the channel members 11 and 11' are formed steel channel members having an elongated flat outer wall 17 and transverse opposed structural flanges 18.
  • the ends of the structural flanges 18 are provided with a right angled inner lip 19 extending inwardly and parallel to the flat outer wall whereby to provide more structural rigidity to the channel members.
  • the top ones of the channel members need not have flanges with inner lips 19 as they are subjected to less loading than the bottom channel members where more structural strength is required.
  • the channel members 11 and 11' are interconnected in parallel relationship by a series of diagonally disposed inner braces 12 which are elongated structural bars, herein angle iron bars having a cross-wall 20 formed with right angle sections which are of equal width and form a right angle structure brace.
  • the ends of the bars are flattened to form angulated connecting ends 22.
  • the connecting ends are provided with one or two, herein one, through bore 23 which is centrally aligned with the apex 21 of the bar.
  • each bar 12 is overlapped with a connecting end 22 of an adjacent bar (see Figure 2) and interconnected together by a fastener 24 which extends through aligned bores 23 of overlapped interconnecting ends 22 and a bore 25 provided in the outer wall 17 of the channels 11 and 11', respectively.
  • a single bolt fastener secures opposed ends of diagonal braces 12 to the channels with the bars 12 spanning the structural channels 11 and 11' throughout the length of the pole. Therefore, any load on the poles will be transmitted to the connecting points (the bolt connection 24) disposed on opposed walls whereby the channels are not subjected to eccentric loads.
  • a pole is constructed by interconnecting two or more pairs of channel members 11 and 11' end-to-end by a telescopic overlap section, as illustrated at 27.
  • the telescopic connection simply consists in providing a top pole section which is provided with like channel members 28 and 28', but of smaller size whereby to slide fit inside a top portion of the channels 11 and 11' respectively.
  • a plurality of splice bolts 29 would then secure these overlapped ends together.
  • Transverse cross braces 30 may also interconnect the channels 11, 11' and 28 and 28' together and solidify the splice.
  • the braces 12 are disposed such that a brace 12' spans the splice region 27 to strengthen the joint.
  • next diagonal brace .12" extends diagonally across opposed sides of the channel members while the next brace 12" extends diagonally between the other common side of the channel members.
  • This pattern provides for a stronger pole section by providing improved torsional resistance and preventing the side wall 17 from bowing out.
  • an elongated reinforcing rib 31 may be formed in the outer wall 17 of the channel members 11 and 11' and located centrally thereof, whereby to strengthen the wall 17 and lower pole section.
  • the pattern of these braces 12 can vary along the length of the pole dependent of the number of pairs of channel members being interconnected end to end.
  • the upper sections of the pole may have all their braces interconnected along a common central plane 26 as illustrated in Figure 3A as this facilitates installation.
  • the flanges 18 of the top channel members need not have a right angle inner lip 19 as shown in Figure 3B, as this section of the pole is subjected to less stress.
  • Some of the channel members 11 and 11' may also be provided with interspaced series of three holes 32 (see Figure 4) for attachment of the braces 12 in any desired abovementioned configuration.
  • the space holes 32 may be used to attach auxiliary equipment to the pole, such as guy wires, transformers, platforms (not shown), etc.
  • poles can be strengthened by the configuration of the serially interconnected braces which span the opposed channel members internally of the pole.
  • a still further advantage of this pole is that it is of a more pleasing aesthetic design which is an advantage when a pole line extends through a residential community.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Control Of Transmission Device (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Electric Cable Installation (AREA)
EP85400676A 1984-12-13 1985-04-04 Maststruktur mit innerer Diagonalverstrebung Expired - Lifetime EP0184947B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85400676T ATE49621T1 (de) 1984-12-13 1985-04-04 Maststruktur mit innerer diagonalverstrebung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA470035 1984-12-13
CA000470035A CA1235279A (en) 1984-12-13 1984-12-13 Pole structure with diagonal inner bracing

Publications (3)

Publication Number Publication Date
EP0184947A2 true EP0184947A2 (de) 1986-06-18
EP0184947A3 EP0184947A3 (en) 1987-04-29
EP0184947B1 EP0184947B1 (de) 1990-01-17

Family

ID=4129374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400676A Expired - Lifetime EP0184947B1 (de) 1984-12-13 1985-04-04 Maststruktur mit innerer Diagonalverstrebung

Country Status (8)

Country Link
EP (1) EP0184947B1 (de)
JP (1) JPS61142266A (de)
AT (1) ATE49621T1 (de)
CA (1) CA1235279A (de)
DE (1) DE3575445D1 (de)
ES (1) ES296035Y (de)
IN (1) IN163205B (de)
OA (1) OA08021A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237589A (en) * 1989-11-03 1991-05-08 Stanley Ovington Fence post

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB378635A (en) * 1931-08-05 1932-08-18 Callenders Cable & Const Co Improvements in poles for the support of electric transmission lines
US2075772A (en) * 1935-08-09 1937-03-30 United States Gypsum Co Stud or joist
GB628868A (en) * 1947-05-08 1949-09-06 Calum Grant And Partners Ltd Improvements in the construction of metal posts or masts
GB1073674A (en) * 1966-01-14 1967-06-28 Painter Brothers Ltd Improvements in metal lattice structures
CA1073632A (en) * 1978-06-05 1980-03-18 Igor W. Geba Semi-lattice pole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB378635A (en) * 1931-08-05 1932-08-18 Callenders Cable & Const Co Improvements in poles for the support of electric transmission lines
US2075772A (en) * 1935-08-09 1937-03-30 United States Gypsum Co Stud or joist
GB628868A (en) * 1947-05-08 1949-09-06 Calum Grant And Partners Ltd Improvements in the construction of metal posts or masts
GB1073674A (en) * 1966-01-14 1967-06-28 Painter Brothers Ltd Improvements in metal lattice structures
CA1073632A (en) * 1978-06-05 1980-03-18 Igor W. Geba Semi-lattice pole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237589A (en) * 1989-11-03 1991-05-08 Stanley Ovington Fence post
GB2237589B (en) * 1989-11-03 1994-03-02 Stanley Ovington Improvements in fence posts

Also Published As

Publication number Publication date
EP0184947B1 (de) 1990-01-17
EP0184947A3 (en) 1987-04-29
DE3575445D1 (de) 1990-02-22
ES296035U (es) 1987-07-16
JPS61142266A (ja) 1986-06-30
OA08021A (en) 1986-01-31
ES296035Y (es) 1988-01-16
IN163205B (de) 1988-08-20
CA1235279A (en) 1988-04-19
ATE49621T1 (de) 1990-02-15

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