Static structures (e.g. – buildings) – Specified terranean relationship – Shaft reinforcement adjacent earth's surface
Patent
1984-12-18
1987-10-06
Murtagh, John E.
Static structures (e.g., buildings)
Specified terranean relationship
Shaft reinforcement adjacent earth's surface
52295, 52514, 52728, E02D 2742
Patent
active
046973966
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device and method for reinforcing utility poles and the like, and more particularly, to strengthening utility poles that have been weakened such as by weathering or corrosion.
Although the present invention will be described with particular reference to repairing rotted wooden utility poles such as wooden telegraph poles, power poles, light poles and the like, by providing additional support about the region of rotting by means of a supporting element attached to the pole, it is to be noted that the scope of the invention is not so limited and it may extend further so as to be applicable to providing support for any type of pole or similar structure whatever material the structure may be made from. Thus, the word pole as used in the present specification is not limited to utility poles but includes within its scope other structural elements, such as for example, poles used in foundations, towers, masts, stumps, pylons, pier supports and the like.
One problem associated with wooden utility poles that have been in the ground for long periods of time is that rotting takes place in the region of ground level, both above and below the surface of the ground. The remainder of the pole may be in good condition both above and below the rotted region, and the pole generally sound apart from the relatively small region of rot around about ground level. Although the pole is rotted at a small area only, it is structurally weakened and hence, must be repaired or replaced. To overcome the relative high cost, in terms of time, labour and material, of replacing the pole entirely, various attempts have been proposed in order to repair or renovate the pole. Such attempts to have not always been entirely satisfactory for a number of reasons associated with the cost, the degree of difficulty, length of time taken to perform the process and the like.
Therefore, it is an aim of the present invention to attempt to overcome at least some of the problems of prior art devices and methods by providing an elegantly simple support member for and a method of repairing or renovating damaged poles.
An elongate support member for providing added strength to a pole having a weakened or damaged portion by being connected to a part of the pole so a to be aligned along the lengthwise extending axis of the pole characterised in that the support member comprises a first portion which extends to one side of the damaged or weakened portion having a flange which is provided with means to effect fastening of the support member to the pole in use, and a second portion extending to the other side of the damaged or weakened portion being of a reduced width or thickness for facilitating entry into a substrate in which the pole is positioned in use, the support member being held in abutting relationship with the pole in use by the action of the substrate bearing on the further portion.
According to another aspect of the present invention there is provided a utility pole support member suitable for being securely connected to a utility pole or similar, including an elongate flange portion having a first surface for abutting against the pole in use and an elongate rib portion for providing strength to the pole, the flange portion being connected to the rib portion at respective edges of the flange and rib portions, the flange portion being provided with means for securely connecting the support member to the pole.
In one form of the invention the flanges are curved in accordance with the corresponding curvature of the pole.
In one embodiment, the support member has two flange portions, one located on either side of the rib portion and connected thereto. In another embodiment, the support member is symmetrical about a longitudinal axis extending lengthwise along the centre line of the rib portion. In another embodiment, the rib portion is substantially U-shaped and extends substantially perpendicularly from the extended common curved surface of the two flange portions.
In another embodiment, the elongate rib portion is tap
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World Intelectual Property Organization, PCT/SE82/00080, A Concrete Foot-Structure for Posts or a Concrete-Post Plinth having a Fracture Mechanism Cast therein; and a Method for Manufacturing Such a Foot Structure or Plinth, published 9/30/82.
Murtagh John E.
R.F.D. Consultants Pty. Ltd.
Rudy Andrew Joseph
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