KR100819538B1 - Permanent anchor - Google Patents

Permanent anchor Download PDF

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Publication number
KR100819538B1
KR100819538B1 KR1020070011250A KR20070011250A KR100819538B1 KR 100819538 B1 KR100819538 B1 KR 100819538B1 KR 1020070011250 A KR1020070011250 A KR 1020070011250A KR 20070011250 A KR20070011250 A KR 20070011250A KR 100819538 B1 KR100819538 B1 KR 100819538B1
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KR
South Korea
Prior art keywords
wedge
hole
anchor
strand
permanent anchor
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Application number
KR1020070011250A
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Korean (ko)
Inventor
희 봉 김
박승혁
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희 봉 김
박승혁
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Priority to KR1020070011250A priority Critical patent/KR100819538B1/en
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Publication of KR100819538B1 publication Critical patent/KR100819538B1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/14—Photograph stands
    • A47G1/141—Photograph stands made of sheet material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/14—Photograph stands
    • A47G1/142—Supporting legs or feet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F1/00—Sheets temporarily attached together without perforating; Means therefor
    • B42F1/12—Means for attaching together sheet corners exclusively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D73/00—Packages comprising articles attached to cards, sheets or webs
    • B65D73/0007—Packages comprising articles attached to cards, sheets or webs the articles being attached to the plane surface of a single card
    • B65D73/0028—Packages comprising articles attached to cards, sheets or webs the articles being attached to the plane surface of a single card by means of adhesive, heat-seal or the like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F1/00—Cardboard or like show-cards of foldable or flexible material
    • G09F1/02—Single substantially flat cards

Abstract

A permanent anchor is provided to fix a strand stably with a load carrying anchorage head having a simple structure before applying tensile force by forming a disk spring to the lower part of a wedge. A permanent anchor includes a load carrying anchorage head, wherein the load carrying anchorage head comprises a body(10) formed in a cylindrical shape provided with a through hole having the inside diameter increasing in size toward the lower part, a wedge(20) provided with irregularities(21) on the inside diameter to heighten resistance with a strand(50), formed to be inclined on the outside diameter to be thicker toward the lower part, split into many pieces and inserted to the lower part of the through hole of the body, a disk spring(30) contacted with the lower part of the wedge, and a protection cap(40) provided with a hole formed to house the bottom of the wedge and the strand and an end projection(42) projected to the inside of the hole to suspend the disk spring, wherein a rubber ring(70) is inserted to a retreated groove formed on the contact surface of the protection cap and the body to heighten waterproofing and water intercepting efficiencies.

Description

영구형 앵커 { Permanent anchor }Permanent anchor {Permanent anchor}

도 1은 본 발명의 실시예에 의한 영구형 앵커의 앵커체를 나타내는 측단면도,1 is a side cross-sectional view showing an anchor of a permanent anchor according to an embodiment of the present invention;

도 2는 본 발명의 실시예에 의한 영구형 앵커의 내하정착부 헤드의 구성을 나타내는 분해사시도,Figure 2 is an exploded perspective view showing the configuration of the anchorage fixing head of the permanent anchor according to an embodiment of the present invention,

도 3은 앵커의 전체 구조를 나타내는 단면도.3 is a cross-sectional view showing the overall structure of an anchor.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10: 몸체 20: 웨지10: body 20: wedge

30: 접시스프링 40: 보호캡30: counter spring 40: protective cap

50: 강연선 100: 앵커두부50: strand 100: anchor head

200: 몸통부 300: 내하정착부200: body portion 300: load-resistant fixing part

310: 정착체 320: 내하정착부 헤드310: fixture 320: load-resistant fixing head

본 발명은 토목 및 건축 분야에서 사용되는 앵커에 관한 것으로, 더욱 자세하게는 구조가 간단하면서도 강연선의 고정효과는 향상된 내하정착부 헤드를 구비한 영구형 앵커에 관한 것이다.The present invention relates to anchors used in the field of civil engineering and construction, and more particularly, to a permanent anchor having a fixed anchorage head with a simple structure and improved anchoring effect.

일반적으로 앵커(Anchor)란 구조물에서 발생한 인장력을 지반에 전달하기 위한 부재를 말하며, 사용기간에 따라 장기간에 걸쳐 사용하는 영구형 앵커와 짧은 기간동안 사용하는 가설형 앵커로 구분된다.In general, the anchor (anchor) refers to a member for transmitting the tensile force generated in the structure to the ground, it is divided into a permanent anchor used for a long time and a temporary anchor used for a short period depending on the use period.

또한, 가설형 앵커는 사용기간 경과 뒤의 처리방법에 따라서 인장재를 제거하는 제거형 앵커와 인장재의 제거 없이 매설하는 매설형 앵커로 나뉜다.In addition, the temporary anchor is divided into a removable anchor for removing the tension member and a buried anchor for embedding without removing the tension member according to a treatment method after a period of use.

도 3은 앵커의 전체 구조를 나타내는 단면도이며, 이러한 앵커는 앵커두부(100), 몸통부(200), 내하정착부(300)로 이루어진다.3 is a cross-sectional view showing the overall structure of the anchor, such an anchor is composed of an anchor head 100, the body portion 200, the lower load fixing portion 300.

상기 앵커두부(100)는 구조물에서 발생한 힘을 고정하여 상기 몸통부(200)에 무리없이 전달하는 부분이다.The anchor head 100 is a portion that is transmitted to the body portion 200 without fixing the force generated in the structure.

상기 몸통부(200)는 상기 앵커두부(100)와 내하정착부(300)의 사이에서 앵커두부(100)의 인장력을 내하정착부(300)에 전달하는 부분이다.The body part 200 is a portion that transmits the tensile force of the anchor head 100 between the anchor head 100 and the lower fixing part 300 to the lower fixing part 300.

상기 내하정착부(300)는 인장재(PC(Prestressed Concrete)강재)의 인장력을 지반에 전달하기 위해 시멘트페이스트 등의 그라우트(Grout)를 주입하여 지반 중에 조성되는 앵커의 저항부분이다.The load-resistant fixing part 300 is a resistance portion of the anchor formed in the ground by injecting grout (Grout) such as cement paste to transfer the tensile force of the tensile material (PC (Prestressed Concrete) steel) to the ground.

또한, 상기 내하정착부(300)는 인장재를 고정하여 인장재의 긴장을 유지하는 내하정착부 헤드(320)와, 앵커와 그라우트 사이의 저항력을 높이는 정착체(310)로 구성된다.In addition, the load anchoring portion 300 is composed of a anchorage fixing head 320 for fixing the tension member to maintain the tension of the tension member, and the fixing body 310 to increase the resistance between the anchor and the grout.

요즘의 영구형 앵커는 인장재로 강연선을 사용하고, 내하정착부 헤드에서 강연선을 고정하기 위하여 강연선을 여러 개로 분할된 웨지의 사이에 놓고 웨지를 몸체의 통공에 삽입시켜 웨지가 강연선을 조이도록 하는 방법을 사용하고 있다.Today's permanent anchor uses a strand as a tensioning material, and in order to fix the strand at the load-bearing head, the strand is placed between several wedges and the wedge is inserted into the through hole of the body so that the wedge tightens the strand. I'm using.

이러한 종래의 영구형 앵커는 앵커의 조립 또는 설치 작업시에 강연선에 인장력을 가하기 전이기 때문에 웨지가 뒤로 밀릴 수가 있으며, 이 경우 강연선의 고정이 풀리기 때문에 문제가 된다.This conventional permanent anchor is a problem because the wedge can be pushed back because the tension is applied to the strand in the assembly or installation of the anchor, in this case, the fixing of the strand is released.

또한, 내하정착부 헤드의 크기가 작을수록 설치를 위한 구멍의 크기가 작아지므로 작업효율이 높아진다.In addition, the smaller the size of the load-bearing fixture head, the smaller the size of the hole for installation, the higher the work efficiency.

따라서, 구조가 간단하여 그 크기가 작으면서도 앵커의 조립 또는 설치작업중에 강연선이 이탈하는 것을 방지하기에 적합한 내하정착부 헤드를 구비한 영구형 앵커에 대한 요구가 크다.Therefore, there is a great need for a permanent anchor having a structure with a simple structure and a small size but having a load-bearing head that is suitable for preventing the strand from deviating during assembly or installation of the anchor.

본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로, 웨지의 하부에 접시스프링을 구비함으로써, 인장력을 부가하기 전에도 강연선을 안정적으로 고정하면서도 구조가 간단하여 그 크기가 작은 내하정착부 헤드를 구비한 영구형 앵커를 제공하는 것에 그 목적이 있다.The present invention has been made to solve the problems described above, by having a plate spring in the lower portion of the wedge, even before the tension is applied to the stator wire stably fixed, yet the structure is simple, its size is small The object is to provide a permanent anchor provided.

상기 목적을 달성하기 위하여 본 발명에 의한 영구형 앵커는, 몸체의 하측에 삽입되는 분할된 웨지에 의하여 강연선을 고정하고 상기 몸체의 하부에는 보호캡이 체결된 내하정착부 헤드를 구비하는 영구형 앵커에 있어서, 상기 웨지의 하부에 접하여 위치하는 접시스프링을 포함하는 내하정착부 헤드를 구비하는 것을 특징으로 한다.Permanent anchor according to the present invention to achieve the above object, the permanent anchor having a fixed anchor wire by the divided wedge inserted into the lower side of the body and the lower fixing part head is secured to the lower portion of the body It characterized in that it comprises a load-resistant fixing head including a dish spring positioned in contact with the lower portion of the wedge.

바람직하게는 상기 보호캡은 그 내부에 상기 웨지 및 강연선의 단부가 수용될 수 있는 홀을 가지고 있고, 상기 홀의 내부에는 상기 접시스프링이 접하는 단턱이 돌출 형성되어 있는 것이 좋다.Preferably, the protective cap has a hole in which the ends of the wedge and the stranded wire can be accommodated, and the stepped portion that the plate spring is in contact with the inside of the hole is preferably formed.

이하 첨부한 도면을 참조하여 본 발명의 실시예를 구체적으로 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시예에 의한 영구형 앵커의 앵커체를 나타내는 측단면도이고, 도 2는 본 발명의 실시예에 의한 영구형 앵커의 앵커체 헤드의 구성을 나타내는 분해사시도이다.1 is a side cross-sectional view showing an anchor of a permanent anchor according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing the configuration of the anchor body head of a permanent anchor according to an embodiment of the present invention.

본 발명의 실시예에 의한 영구형 앵커의 내하정착부 헤드(320)는 몸체(10), 웨지(20), 접시스프링(30), 및 보호캡(40)으로 구성된다.The anchorage fixing head 320 of the permanent anchor according to the embodiment of the present invention is composed of a body 10, a wedge 20, a dish spring 30, and a protective cap 40.

상기 몸체(10)는 위에서 아래로 내려갈수록 안지름이 커지는 관통공을 구비하는 원통형상이다.The body 10 has a cylindrical shape with a through hole in which the inner diameter increases from the top to the bottom.

상기 웨지(20)는 내주면에는 강연선(50)과의 저항을 높이기 위한 요철(21)이 형성되고, 외주면은 위에서 아래로 내려갈수록 두꺼워지며 경사진 형상이다.The wedge 20 is formed on the inner circumferential surface unevenness 21 to increase the resistance with the strand 50, the outer circumferential surface is thicker and inclined downward from the top.

이러한 웨지(20)는 여러 조각으로 분할되어 있으며, 상기 몸체(10)의 관통공 아래쪽으로 끼워져 위치한다.The wedge 20 is divided into several pieces, and is positioned below the through hole of the body 10.

접시스프링이란 바닥이 비어 있는 접시모양의 스프링을 말하며, 상기 접시스프링(30)은 접시모양의 넓은 면이 상기 웨지(20)의 하부에 접촉하는 것에 접시모양의 넓은 면이 아래를 향하는 것이 하부에 연접하여 위치한다.The plate spring refers to a plate-shaped spring with a hollow bottom, and the plate spring 30 has a wide side of the plate contacting the lower portion of the wedge 20 and a wide side of the plate faces downward. Located in contiguous position.

상기 보호캡(40)은 내부에 상기 웨지(20)와 강연선(50)의 하단부가 수용될 수 있는 홀(41)이 형성되어 있고, 상기 홀(41)의 내부에는 상기 접시스프링(30)이 걸리는 단턱(42)이 돌출 형성되어있다.The protective cap 40 is formed with a hole 41 that can accommodate the lower end of the wedge 20 and the strand 50, the inside of the hole 41, the dish spring 30 is A stepped 42 is formed to protrude.

상기 보호캡(40)은 볼트(60)에 의하여 상기 몸체(10)와 체결되어 있으며, 이를 위하여 보호캡(40)과 몸체(10)의 중심에 볼트체결을 위한 관통공이 형성되어 있다.The protective cap 40 is fastened to the body 10 by a bolt 60, for this purpose, a through hole for fastening the bolt is formed at the center of the protective cap 40 and the body 10.

또한, 상기 보호캡(40)과 몸체(10)의 사이에는 고무링(70)이 끼워져 방수, 차수성을 높이며, 이를 위하여 보호캡(40)과 몸체(10)의 접촉면에는 고무링(70)이 위치할 요홈이 형성된다.In addition, the rubber ring 70 is inserted between the protective cap 40 and the body 10 to increase the waterproof and water-repellent, for this purpose, the rubber ring 70 is in contact with the protective cap 40 and the body 10. Grooves to be located are formed.

이하 본 발명의 실시예에 의한 영구형 앵커의 조립과정을 설명한다.Hereinafter will be described the assembly process of the permanent anchor according to an embodiment of the present invention.

먼저, 몸체(10)의 관통공을 통과시킨 강연선(50)을 분할된 웨지(20)로 둘러싸고 상측으로 당기면, 웨지(20)가 몸체(10)의 관통공에 삽입되면서 강연선(50)을 조여 고정한다.First, by wrapping the strand 50 passed through the through hole of the body 10 with the divided wedge 20 and pulling upward, the wedge 20 is inserted into the through hole of the body 10 to tighten the strand 50. Fix it.

이후 접시스프링(30)을 웨지(20)의 하면과 보호캡(40)의 홀(41) 사이에 넣고, 볼트(60)를 이용하여 보호캡(40)을 몸체(10)에 체결한다.Thereafter, the plate spring 30 is inserted between the lower surface of the wedge 20 and the hole 41 of the protection cap 40, and the protection cap 40 is fastened to the body 10 by using the bolt 60.

이때, 몸체(10)와 보호캡(40)의 사이에는 고무링(70)이 구비되어 방수·차수성을 향상시키고, 보호캡(40)에는 그리스(Grease)를 충진하여 강연선의 부식을 방지한다.At this time, the rubber ring 70 is provided between the body 10 and the protective cap 40 to improve waterproofness and water repellency, and the protective cap 40 is filled with grease to prevent corrosion of the stranded wire. .

상기의 방법으로 설치한 내하정착부 헤드(320)는 접시스프링(30)의 탄성력이 웨지(20)에 상부 방향으로 작용하고 있어, 강연선(50)에 인장력을 부가하기 전에도 웨지(20)가 몸체(10)에 단단히 삽입되어 앵커의 조립 또는 설치중에 강연선을 안정적으로 고정한다.The load-bearing portion head 320 installed by the above method has the elastic force of the disc spring 30 acting upward on the wedge 20, so that the wedge 20 has a body even before the tensile force is applied to the strand 50. It is firmly inserted in (10) to secure the stranded wire during assembly or installation of the anchor.

이상에서는 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 국한되는 것은 아니며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 다음의 청구범위에 기재된 본 발명의 기술적 사상을 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been shown and described with respect to certain preferred embodiments. However, the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains can variously change variously without departing from the technical spirit of the present invention described in the following claims. You can do it.

본 발명의 영구형 앵커에 의하면, 웨지의 하부에 접시스프링을 구비함으로써, 인장력을 부가하기 전에도 강연선을 안정적으로 고정하면서도 구조가 간단하여 그 크기가 작아지는 효과가 있다.According to the permanent anchor of the present invention, by providing a plate spring in the lower portion of the wedge, the structure is simple and stable in size even though the strand is stably fixed even before the tensile force is applied.

Claims (2)

몸체의 하측에 삽입되는 분할된 웨지에 의하여 강연선을 고정하고 상기 몸체의 하부에는 보호캡이 체결된 내하정착부 헤드를 구비하는 영구형 앵커에 있어서,In the permanent anchor that secures the strand by the divided wedge inserted into the lower side of the body and has a lower end fixing head with a protective cap fastened to the lower portion of the body, 상기 웨지의 하부에 접하여 위치하는 접시스프링을 포함하는 내하정착부 헤드를 구비하는 것을 특징으로 하는 영구형 앵커.Permanent anchor, characterized in that it has a lower mounting fixing head including a dish spring positioned in contact with the lower portion of the wedge. 제 1항에 있어서,The method of claim 1, 상기 보호캡은 그 내부에 상기 웨지 및 강연선의 단부가 수용될 수 있는 홀을 가지고 있고, 상기 홀의 내부에는 상기 접시스프링이 접하는 단턱이 돌출 형성되어 있는 것을 특징으로 하는 영구형 앵커.The protective cap has a hole in which the end of the wedge and the stranded wire can be accommodated therein, and a permanent step characterized in that the stepped projection is formed in the inside of the hole contacting the spring.
KR1020070011250A 2007-02-02 2007-02-02 Permanent anchor KR100819538B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110924595A (en) * 2019-12-31 2020-03-27 湖南大学 Steel bar anchoring joint and construction method thereof
CN117388081A (en) * 2023-12-12 2024-01-12 西南交通大学 Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980072170A (en) * 1998-07-28 1998-10-26 이창훈 Temporary ground anchor body and tension material dismantling method
KR20010016726A (en) * 1999-08-03 2001-03-05 이창훈 Removable ground anchorage and method disassembling tensile memberes
KR200226657Y1 (en) 2001-01-02 2001-06-15 김희봉 Removable earth-anchor
KR20020043333A (en) * 2000-12-02 2002-06-10 김 희 봉 Removable earth-anchor having a coil spring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980072170A (en) * 1998-07-28 1998-10-26 이창훈 Temporary ground anchor body and tension material dismantling method
KR20010016726A (en) * 1999-08-03 2001-03-05 이창훈 Removable ground anchorage and method disassembling tensile memberes
KR20020043333A (en) * 2000-12-02 2002-06-10 김 희 봉 Removable earth-anchor having a coil spring
KR200226657Y1 (en) 2001-01-02 2001-06-15 김희봉 Removable earth-anchor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110924595A (en) * 2019-12-31 2020-03-27 湖南大学 Steel bar anchoring joint and construction method thereof
CN117388081A (en) * 2023-12-12 2024-01-12 西南交通大学 Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading
CN117388081B (en) * 2023-12-12 2024-04-02 西南交通大学 Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading

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