US20240151058A1 - Assembled utility pole, pole building method and rebuilding method - Google Patents

Assembled utility pole, pole building method and rebuilding method Download PDF

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Publication number
US20240151058A1
US20240151058A1 US18/281,438 US202118281438A US2024151058A1 US 20240151058 A1 US20240151058 A1 US 20240151058A1 US 202118281438 A US202118281438 A US 202118281438A US 2024151058 A1 US2024151058 A1 US 2024151058A1
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US
United States
Prior art keywords
pole
utility pole
anchor
hole
ground
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.)
Pending
Application number
US18/281,438
Other languages
English (en)
Inventor
Tatsuya MOKI
Kenji Inoue
Hidenobu HIROTA
Yoshiyasu Sato
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.)
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION reassignment NIPPON TELEGRAPH AND TELEPHONE CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SATO, YOSHIYASU, MOKI, Tatsuya, INOUE, KENJI, HIROTA, Hidenobu
Publication of US20240151058A1 publication Critical patent/US20240151058A1/en
Assigned to NTT, INC. reassignment NTT, INC. CHANGE OF NAME Assignors: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Pending 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
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2207—Sockets or holders for poles or posts not used
    • E04H12/2215—Sockets or holders for poles or posts not used driven into the ground
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • 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
    • E04H12/22—Sockets or holders for poles or posts
    • 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
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2207—Sockets or holders for poles or posts not used
    • E04H12/2215—Sockets or holders for poles or posts not used driven into the ground
    • E04H12/2223—Sockets or holders for poles or posts not used driven into the ground by screwing
    • 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
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like

Definitions

  • the present disclosure relates to an assembly type utility pole, a method for constructing the same, and a method for replacing the same.
  • FIG. 1 illustrates a utility pole.
  • a large number of utility poles are laid all over the country in order to wire communication cables and power cables at high places, share telephones and electricity with users and are recognized as social infrastructures.
  • FIG. 2 is an end view of the utility pole. It can be seen that the utility pole is made of concrete and steel wires. The utility pole is heavy (see, for example, Non Patent Literature 1) because components are concrete and steel wires.
  • FIG. 3 illustrates a typical method for constructing a utility pole.
  • Excavation step by manpower in order to prevent an accident of damaging a buried object, excavation by hand is performed for a section where there is a high possibility that another company's buried object exists.
  • a ground is dug in order to build the utility pole.
  • a combination of a utility pole, having a total length of about 8.0 m to 9.0 m, to which only a communication line is attached and a utility pole, having a length of about 14.0 to 18.0 m, to which a communication line and a power line are attached are often used, and, in order to stably build the utility poles, each part having a length of about 1.5 m to 3.0 m, which is 1 ⁇ 6 of the length of each utility pole, is required to be driven into the ground. In other words, a hole is dug by 1.5 m to 3.0 m.
  • a construction work of a utility pole requires a large number of man-hours for a step of confirming a buried object, which is a first problem that it is difficult to reduce the number of man-hours.
  • FIG. 4 A general replacement work method is illustrated in FIG. 4 .
  • a typical method for replacing a utility pole indicates a series of procedure of first building a new utility pole next to a utility pole to be replaced, relocating cables to the newly built utility pole, and removing the utility pole to be replaced.
  • the position may not be allowed to change when the utility pole is replaced.
  • repeated procedure is required in which newer utility pole is built again at the same position as that of the removed utility pole to be replaced, the cables are moved, and the nearby utility pole is removed.
  • the replacement work of the utility pole also requires many man-hours, which is a second problem that it is difficult to reduce the man-hours.
  • an object of the present invention is to provide an assembly type utility pole, a method for constructing the assembly type utility pole, and a method for replacing the assembly type utility pole, which can simplify and improve efficiency of work at the time of new installation and replacement and can shorten a work period.
  • an assembly type utility pole is a utility pole including a plurality of members stacked in a height direction and includes a mechanism for excavating the ground in a lowermost member to be buried in the ground.
  • an assembly type utility pole includes a pole, and an anchor that is a substantially cylindrical object having a diameter larger than a diameter of the pole and has a hole into which one end of the pole is fitted, and
  • a method for constructing a utility pole according to the present invention includes: burying an anchor of a substantially cylindrical object having a diameter larger than a diameter of a pole in a ground such that one end of a bottom surface of the substantially cylindrical object substantially matches a ground surface; and fitting one end of the pole into a hole of the anchor in which the pole and the anchor are coaxial.
  • the anchor has a larger diameter than a body of a utility pole on the ground and has higher ground support force.
  • the hole for building the assembly type utility pole on the ground can be made shallower than the hole for building the utility pole in related art on the ground.
  • the depth of the hole is shallow, so that it is possible to reduce a period for digging, reduce a probability of hitting a buried object, and reduce work for confirming a buried object.
  • the assembly type utility pole includes a plurality of parts, and thus, only a degraded portion needs to be replaced, so that it is possible to shorten replacement work.
  • the assembly type utility pole includes a plurality of parts, and thus, each part is smaller than that of the utility pole in related art, so that it is possible to simplify work.
  • the present invention can provide a utility pole and a method for constructing the utility pole, which can simplify and improve efficiency of work at the time of new installation and replacement and can shorten a work period.
  • the anchor of the assembly type utility pole according to the present invention includes an earth auger on a surface thereof.
  • the anchor in the ground is buried in the method, for constructing the utility pole according to the present invention, the anchor is rotated in an axial direction, and the ground is dug with the earth auger installed on the surface of the anchor.
  • a pre-hole can be expanded by simply rotating the earth auger, and the anchor is buried in the ground. This eliminates the need of backfilling and compaction.
  • the pole of the assembly type utility pole according to the present invention can be divided into at least two portions in a longitudinal direction.
  • the assembly type utility pole according to the present invention further includes a lock member that fills a gap between the pole and the hole, and the gap is generated when one end of the pole is fitted into the hole of the anchor.
  • a method for replacing the assembly type utility pole according to the present invention is a method for replacing an assembly type utility pole including:
  • Replacement work can be simplified by allowing only part of the parts of the assembly type utility pole to be replaced.
  • a utility pole and a method for constructing the utility pole which can simplify and improve efficiency of work at the time of new construction and replacement and can shorten a work period.
  • FIG. 1 is a view for explaining an example of a utility pole.
  • FIG. 2 is a view for explaining an end surface of the utility pole.
  • FIG. 3 is a view for explaining a typical method for constructing a utility pole.
  • FIG. 4 is a view for explaining a typical method for replacing a utility pole.
  • FIG. 5 is a view for explaining an assembly type utility pole according to the present invention.
  • FIG. 6 is a view for explaining an anchor of the assembly type utility pole according to the present invention.
  • FIG. 7 is a view for explaining the assembly type utility pole according to the present invention.
  • FIG. 8 is a view for explaining a lock member of the assembly type utility pole according to the present invention.
  • FIG. 9 is a view for explaining a method for replacing the assembly type utility pole according to the present invention.
  • FIG. 10 is a view for explaining a method for constructing the assembly type utility pole according to the present invention.
  • FIG. 5 is a view for explaining an assembly type utility pole of the present embodiment.
  • This assembly type utility pole includes a pole 11 and an anchor 12 that is a substantially cylindrical object having a diameter larger than a diameter of the pole 11 and has a hole 12 a into which one end of the pole 11 is fitted, and when one end of the pole 11 is fitted into the hole 12 a of the anchor 12 , the pole 11 and the anchor 12 become coaxial.
  • the pole 11 can be divided into at least two portions in a longitudinal direction (portions 11 - 1 and 11 - 2 ).
  • the anchor 12 has an earth auger 12 b on a surface thereof.
  • the pole 11 can be divided into at least two portions in a longitudinal direction (portions 11 - 1 and 11 - 2 ).
  • the anchor 12 has an earth auger 12 b on a surface thereof.
  • the assembly type utility pole further includes a lock member 13 that fills a gap between the pole 11 and the hole 12 a , which is generated when one end of the pole 11 is fitted into the hole 12 a of the anchor 12 .
  • the assembly type utility pole includes four structures.
  • a typical utility pole is a single cylindrical structure, and thus, the structure of the utility pole is largely different from that of the assembly type utility pole. Each structure will be described.
  • the anchor 12 is a structure to be buried in the ground.
  • the anchor 12 has a plurality of blades (earth augers) 12 b on the surface.
  • FIG. 6 is a view for explaining a function of the anchor 12 .
  • the anchor 12 rotates to excavate earth in the ground by the earth auger 12 b , and the entire anchor 12 dives into the ground. In other words, the anchor 12 can be buried in the ground.
  • the anchor 12 is provided with a hole 12 a in advance at the center.
  • the hole 12 a is a hole for accommodating the pole 11 .
  • FIG. 7 is a view when the portion 11 - 2 which is a lower step portion of the pole 11 is inserted into the anchor 12 buried in the ground. After the anchor 12 is buried in the ground, one end of the portion 11 - 2 is inserted into the hole 12 a , so that the portion 11 - 2 can stand perpendicular to the ground.
  • FIG. 8 is a two-view drawing illustrating the lock member 13 .
  • (A) is a top view
  • (B) is a side view.
  • a hole 13 a through which the portion 11 - 2 passes is formed in the lock member 13 .
  • the hole 13 a has a diameter according to a type (diameter) of the utility pole.
  • the lock member 13 includes a spacer 13 b that fills a gap between the portion 11 - 2 and the hole 12 a of the anchor 12 .
  • the spacer 13 b has a size according to a type (diameter) of the utility pole.
  • a convex portion 11 a is provided at the other end (opposite anchor side) of the portion 11 - 2 .
  • a concave portion 11 b to be fitted with the convex portion 11 a is provided at one end (anchor side) of the portion 11 - 1 .
  • the portion 11 - 2 and the portion 11 - 1 are connected by fitting the convex portion 11 a and the concave portion 11 b .
  • the pole 11 can stand in the vertical direction of the anchor 12 .
  • the pole 11 serves as a utility pole, and a communication cable or a power cable is bridged over the utility pole.
  • the anchor 12 has a structure having a larger diameter in the lateral direction than a buried portion of a utility pole in related art.
  • ground supporting force is high, and thus, there is an advantage that a distance (depth) for digging a hole is shorter than before. In other words, the depth of the hole is reduced. Even if an inspection is performed visually, the distance for digging is reduced, so that the work period of a step of confirming the buried object can be shortened in the present assembly type utility pole.
  • FIG. 9 is a view for explaining a method for replacing the assembly type utility pole.
  • the replacement method includes:
  • the present replacement method only the lower portion 11 - 2 of the utility pole and the lock member 13 , which are expected to degrade, are replaced.
  • the upper portion 11 - 1 of the utility pole and the lower portion 11 - 2 of the utility pole have a fitting structure.
  • the upper portion 11 - 1 of the utility pole and the lower portion 11 - 2 of the utility pole can be separated from each other by lifting up the upper portion 11 - 1 of the utility pole and the cable attached thereto with a crane.
  • the anchor 12 and the lower portion 11 - 2 of the utility pole also have a fitting structure.
  • the lower portion 11 - 2 of the utility pole can be replaced with the lower portion 11 - 2 a of the new utility pole without excavating work.
  • the upper portion 11 - 1 of the utility pole being lifted is fitted into the lower portion 11 - 2 a of the new utility pole, whereby the replacement work is completed.
  • FIG. 10 is a view for explaining a method for constructing the assembly type utility pole.
  • the present construction method includes:
  • step S 11 of burying the anchor 12 in the ground the anchor 12 is rotated in the axial direction, and the ground is dug with an earth auger installed on the surface of the anchor 12 .
  • the utility pole has a length of about 8.0 to 18 m and is built in a hole by heavy equipment and a human.
  • a hole is dug by hand up to a depth of about 1.5 m, and the hole is dug using the heavy equipment at a depth of 1.5 m or more.
  • the utility pole of about 8.0 to 18 m is lifted, and the utility pole is built in the excavated hole.
  • the utility pole is very long, and thus, requires carefully handling so as not to hit obstacles existing in the work environment such as surrounding buildings, utility poles, guard rails, and the like, and in some cases, requires moving to the excavation hole by a complicated route in order to avoid the obstacles.
  • the utility pole is supported by a tip of the crane, or the like, because the ground is not leveled in the excavation hole, and the angle is adjusted to be vertical as much as possible.
  • This work requires delicate work with a crane, or the like, which is very difficult.
  • soil is inserted into the gap of the excavation hole to perform backfilling, and the construction work is completed by pressing and solidifying with a compactor, or the like.
  • work of digging a hole is similar to the method in related art, but the anchor 12 has a structure that is larger (thicker), in the lateral direction, than the buried portion of the utility pole in related art, and the ground support force is high, so that the distance (depth) for digging a hole is shorter than that in the method in related art.
  • This can shorten the work period.
  • a utility pole of about 8.0 to 9.0 m to which only a communication line is attached about 1.5 m, which is 1 ⁇ 6 of the length of the utility pole, is required to be placed in the ground in the method in related art.
  • the distance (depth) by which the hole is dug by the anchor 12 is shortened, so that the amount of digging work by hand can be reduced, which is efficient.
  • the anchor installation step is performed after the excavation is completed to the target depth.
  • the anchor 12 is installed by being attached to the tip of a pole construction track and buried with rotation of the earth auger. In this event, the anchor 12 enters the ground by pushing and expanding a hole dug in advance in such a manner as to drive a screw into a tree, and thus, backfilling and compaction are unnecessary.
  • a lifting step of lifting the lower portion 11 - 2 of the utility pole and fitting the lower portion 11 - 2 into the anchor 12 is performed using a crane, or the like.
  • the lower portion 11 - 2 of the utility pole is shorter than that of the utility pole in related art. For this reason, a risk of coming into contact with an obstacle is low, and handling is easy, so that it is possible to move to a target position through a relatively simple path.
  • the hole 12 a of the anchor 12 has a structure for fitting the lower portion 11 - 2 of the utility pole, and thus, vertical adjustment is unnecessary when the lower portion 11 - 2 of the utility pole is fitted to the anchor 12 .
  • the construction work is completed only by fitting the end of the upper portion 11 - 1 of the utility pole into the upper end of the lower portion 11 - 2 of the utility pole.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Foundations (AREA)
  • Electric Cable Installation (AREA)
US18/281,438 2021-03-16 2021-03-16 Assembled utility pole, pole building method and rebuilding method Pending US20240151058A1 (en)

Applications Claiming Priority (1)

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PCT/JP2021/010624 WO2022195723A1 (ja) 2021-03-16 2021-03-16 組立式電柱、建柱方法及び建替方法

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US18/281,438 Pending US20240151058A1 (en) 2021-03-16 2021-03-16 Assembled utility pole, pole building method and rebuilding method

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JP (1) JP7695630B2 (https=)
WO (1) WO2022195723A1 (https=)

Citations (6)

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US6494643B1 (en) * 1999-05-21 2002-12-17 Krinner Innovation Gmbh System and method for fastening an object
US6575853B1 (en) * 2000-03-28 2003-06-10 O'neill Raymond Portable beach basketball system
US7694487B1 (en) * 2004-05-08 2010-04-13 Ryan Gary L Setting a tubular post for an electric fixture in soil
US10633818B2 (en) * 2017-01-11 2020-04-28 Daniel S. Spiro Universal pole foundation with instant cap
US20200268132A1 (en) * 2019-02-22 2020-08-27 Harvey George LLC Recreational utility support
US10801230B2 (en) * 2018-07-13 2020-10-13 A'Lorre Scott Durrant Post support device for releasably mounting a post member

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JPS55155875A (en) * 1979-05-19 1980-12-04 Kamisaka Tekkosho Goumei Method of installing strut of outdoor amusement implement and outdoor physical training implement
JPH03260224A (ja) * 1990-03-09 1991-11-20 Shikoku Sogo Kenkyusho:Kk 電柱支持装置
WO1999024672A1 (en) 1997-11-07 1999-05-20 Kdc Systems Ltd Support post securing system
JP3986392B2 (ja) 2002-08-27 2007-10-03 旭テック株式会社 柱状物補強装置
US7003919B2 (en) 2003-02-11 2006-02-28 Caminoverde Ii, L.L.P. Post mount assembly
JP4342458B2 (ja) * 2005-02-17 2009-10-14 博保 皆吉 コンクリート製電柱の補強方法
KR200433073Y1 (ko) * 2006-09-27 2006-12-07 배대환 심신단련 시스템용 펜스지주 결속구
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JP2010101161A (ja) * 2008-10-21 2010-05-06 Kurinaa Korea Co Ltd 施設支柱固定装置
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494643B1 (en) * 1999-05-21 2002-12-17 Krinner Innovation Gmbh System and method for fastening an object
US6575853B1 (en) * 2000-03-28 2003-06-10 O'neill Raymond Portable beach basketball system
US7694487B1 (en) * 2004-05-08 2010-04-13 Ryan Gary L Setting a tubular post for an electric fixture in soil
US10633818B2 (en) * 2017-01-11 2020-04-28 Daniel S. Spiro Universal pole foundation with instant cap
US10801230B2 (en) * 2018-07-13 2020-10-13 A'Lorre Scott Durrant Post support device for releasably mounting a post member
US20200268132A1 (en) * 2019-02-22 2020-08-27 Harvey George LLC Recreational utility support

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Publication number Publication date
JP7695630B2 (ja) 2025-06-19
WO2022195723A1 (ja) 2022-09-22
JPWO2022195723A1 (https=) 2022-09-22

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