Concrete electric pole, reinforcement member arrangement jig therefor and method of reinforcing the same
AssigneeNTT Infrastructure Network Corporation
InventorsHiroyasu Minayoshi, Masato Ushiroyama, Hitoshi Shoji
Life of this patent
Estimating the term…
Abstract
In a method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be penetrated therethrough, at least one of a predetermined amount of mortar, a predetermined amount of sand and a predetermined amount of gravel is injected into the inner hollow portion of the electric pole through the opening portion. A reinforcing member for reinforcing the electric pole is injected into the inner hollow portion of the electric pole through the opening portion.
Claims27
A method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be penetrated therethrough, the method comprising the steps of:
- injecting at least one of a predetermined amount of mortar, a predetermined amount of sand and a predetermined amount of gravel into the inner hollow portion of the electric pole through the opening portion;
- and
- injecting a reinforcing member for reinforcing the electric pole into the inner hollow portion of the electric pole through the opening portion.
A method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be communicated to the inner hollow portion, the method comprising the steps of:
- injecting at least one of a predetermined amount of mortar, a predetermined amount of sand and a predetermined amount of gravel into the inner hollow portion of the electric pole through the opening portion;
- inserting a reinforcing member for reinforcing the electric pole into the inner hollow portion of the electric pole through the opening portion;
- and
- injecting filling material into a gap between the inserted reinforcing member and the inner hollow portion.
A method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be penetrated therethrough, the method comprising the steps of:
- preparing a jig member;
- inserting a reinforcing member for reinforcing the electric pole into the inner hollow portion of the electric pole through the opening portion while the reinforcing member is supported by the jig member;
- injecting at least one of a predetermined amount of mortar, a predetermined amount of sand and a predetermined amount of gravel into the inner hollow portion of the electric pole through the opening portion;
- and
- while the inserted reinforcing member is supported by the jig member, injecting filling material into a gap between the inserted and supported reinforcing member and the inner hollow portion.
A jig for arranging a plurality of reinforcing members in an inner hollow portion of an existing concrete electric pole, each of said plurality of reinforcing members has one end portion to which a string member is connected, said jig comprising:
- a base portion;
- a plurality of supporting members rotatably mounted on one end portion of the base portion, said supporting members have a substantially rod shape and same longitudinal lengths, respectively;
- a plurality of through holes formed on both end portions of the supporting members, respectively, each of said through holes allowing each of said string members to be put therethrough;
- and
- a locking member mounted on the base portion, said locking member for releasably locking the supporting members.
A jig for arranging a plurality of reinforcing members in an inner hollow portion of an existing concrete electric pole, each of said plurality of reinforcing members has one end portion to which a string member is connected, said jig comprising:
- a base bar;
- a supporting member mounted on one end portion of the base bar, said supporting member having a surface of substantially circular arc shape;
- and
- a plurality of suspending members mounted on the surface of the supporting member, each of said suspending members having a through hole allowing the string member to be put therethrough.
Dependencies are inferred from the claim text.