WO2014098310A1 - Corps amovible d'ancrage au sol utilisant un ressort - Google Patents

Corps amovible d'ancrage au sol utilisant un ressort Download PDF

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Publication number
WO2014098310A1
WO2014098310A1 PCT/KR2013/001000 KR2013001000W WO2014098310A1 WO 2014098310 A1 WO2014098310 A1 WO 2014098310A1 KR 2013001000 W KR2013001000 W KR 2013001000W WO 2014098310 A1 WO2014098310 A1 WO 2014098310A1
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WO
WIPO (PCT)
Prior art keywords
spring
screw
removable ground
wedge
coupled
Prior art date
Application number
PCT/KR2013/001000
Other languages
English (en)
Korean (ko)
Inventor
신현택
Original Assignee
삼진스틸산업(주)
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 삼진스틸산업(주) filed Critical 삼진스틸산업(주)
Publication of WO2014098310A1 publication Critical patent/WO2014098310A1/fr

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Classifications

    • 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
    • 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
    • E02D5/808—Ground anchors anchored by using exclusively a bonding material

Definitions

  • the present invention relates to a removable ground anchor body using a spring, and more specifically, coupled to the end of the fixing portion of the PC strand, but by using a spring to simplify the structure to minimize the number of parts and at the same time to move outside the site
  • the present invention relates to a removable ground anchor body using a spring that can be easily separated and removed from PC strands while maintaining a secure connection even against impacts.
  • the slope reinforcement structure combined with PC strands is formed by drilling holes in the ground, and inserting the tensile material with excellent tensile strength into the boring hole together with the internal fixing agent and the loading body, and injecting them into grouting materials such as concrete to fix them firmly. It secures strong anchoring force by applying load to the free end of the tension member and securing it with external fixing agent to secure structures such as earth walls, and to prevent the collapse of the surrounding ground during excavation work for underground structures in construction and civil engineering works. It is widely used in construction and construction to suppress the loss of soil on the soft ground incision surface.
  • Tensile material used in the slope reinforcement structure uses a tension material made by twisting multiple strands of deformed steel or steel wire, and the tensile material is superior in strength so that when it is left in the ground, it becomes an obstacle to the ground. There is a risk of causing problems.
  • Such a conventional anchor body is formed with an inclined surface on the inner side of the cylindrical body, divided into approximately three pieces on the inner surface of the inclined surface is provided with a wedge in which a tension member is seated in the center thereof, the wedge is pressed forward to the rear end of the wedge It is provided with an elastic spring to pressurize the wedge has a configuration to prevent the separation and separation of the tension member.
  • the tension member in order to remove the tension member, it is possible to press the tension member to retract the wedge provided in the inner side of the cylindrical body and to remove the tension member while the center portion is extended. Even if it is retracted, it does not expand properly. Even if it is retracted and expanded, the spring provided at the rear end continuously pressurizes the wedge, which can be a burden when the tension member is removed and the separation is not properly performed. .
  • the conventional removable internal fixing agent can easily remove the tension member in the event of impact on the internal fixing body of the PC steel strand in the process of transporting the PC stranded vessel manufactured at the factory to the construction site or handling during construction work. There was no problem.
  • the main object of the present invention is to provide a removable ground anchor body using a spring to maximize the bearing capacity according to the ground behavior to respond appropriately, but to easily separate the PC strand coupled to the anchor structure.
  • Another object of the present invention is to provide a removable ground anchor body using a spring to maintain a safe coupling state even when the anchor body movement or external impact in the field to improve the reliability of the product.
  • Another object of the present invention to provide a removable ground anchor body using a spring that can be easily recombined by rotating even if the anchoring state of the anchor body is separated.
  • Another object of the present invention is to provide a removable ground anchor using a spring to simplify the reinforcement structure and minimize the number of parts to reduce the cost and at the same time prevent malfunction.
  • Removable ground anchor body using the spring of the present invention for achieving the above object is a waterproof cap formed with a first screw on the inner peripheral side and the second screw on the inner peripheral side;
  • An elastic guide portion having a spring for rotation coupled to the first screw of the waterproof cap and having an outwardly acting spring;
  • a wedge coupled to and coupled to a lower portion of the body;
  • a PC steel wire formed by penetrating through the guide hole of the head coupler to be interlocked with each other by inserting the end into the insertion groove of the body and fixed with the wedge, but press-fitted into the sheathing hose.
  • the removable ground anchor body using the spring of the present invention maintains the state where the wedge is firmly fixed to the PC strand, and the packing is fitted to the joint portion of the waterproof cap and the head coupler, and the covering hose of the PC strand is pressed against the tab screw.
  • the inside is kept completely sealed to completely block the inflow of grout material, and the elasticity of the press spring allows the wedge to pressurize the PC strand continuously and exert a lot of impact from the outside during movement, transportation or work.
  • the wedge coupled to the body 130 can be easily removed during the removal operation to release the bite of the PC strand and then pull the rear end of the PC strand removed from the cover hose to the outside easily. It can be pulled out and removed.
  • FIG. 1 is a perspective view showing a coupled state of the removable ground anchor body using a spring according to the present invention.
  • Figure 2 is a perspective view showing a part of the removable ground anchor body using a spring according to the present invention.
  • Figure 3 is an exploded perspective view showing a separated state of the removable ground anchor body using a spring according to the present invention.
  • Figure 4 is an exploded perspective view showing a part of the separation state of the removable ground anchor body using the spring according to the present invention.
  • Figure 5 is a cross-sectional view showing the separation of the waterproof cap of the removable ground anchor body using the spring according to the present invention.
  • Figure 6 is a cross-sectional view showing a wedge engagement state of the removable ground anchor body using a spring in accordance with the present invention.
  • Figure 7 is a cross-sectional view showing the wedge separation state of the removable ground anchor body using the spring in accordance with the present invention.
  • FIG. 8 is a cross-sectional view showing a PC strand removal state of the removable ground anchor body using a spring according to the present invention.
  • FIG. 9 is a cross-sectional view showing a state of use of the removable ground anchor body using a spring according to the present invention.
  • FIG. 10 is a cross-sectional view showing another use state of the removable ground anchor body using a spring according to the present invention.
  • the removable ground anchor body using the spring of the present invention is formed of the first screw 111 on the upper inner periphery and the second cap 112 formed on the lower inner periphery ( 110);
  • An elastic guide portion 120 having a spring for rotation 122 coupled to the first screw 111 of the waterproof cap 110 and a pressure spring 121 acting outward;
  • a body 130 coupled to a lower portion of the spring 122 for removal of the elastic guide part 120 so as to interlock with each other, and having an insertion groove 131 formed therein;
  • a wedge 140 coupled to and coupled to a lower portion of the body 130;
  • the waterproof cap 110 has a multi-stage inner periphery to form a locking jaw 114 between the first screw 111 and the second screw 112 and to form a bolt head-shaped protrusion 113 at the front end. It is desirable to facilitate the fastening operation.
  • the first screw 111 of the waterproof cap 110 is preferably formed as a right screw to smoothly transfer the force of the PC strand wire 160 made by twisting the steel wire, but is not limited thereto.
  • the elastic guide portion 120 is formed of a pressing spring 121 and a removing spring 122 having a different diameter, but by reducing the diameter of the removing spring 122 to be located inside the pressing spring 121 does not interfere with each other.
  • the screw spring is coupled to the first screw 111 of the waterproof cap 110, and the pressure spring 121 is sheared to the locking jaw 114 of the waterproof cap 110.
  • the pressure spring 121 is engaged by the locking jaw 114 to compress, and the removal spring 122 coupled to the first screw 111 rotates to adjust the compression force of the pressure spring 121.
  • the body 130 forms a guide screw 133 at the center of the upper surface of the flange 134 so that the lower portion of the removal spring 122 is coupled to the guide screw 133 and thereby rotates in conjunction with each other.
  • the pressing jaw 135 is formed on the upper edge of the flange 134 to accommodate the rear end of the pressing spring 121.
  • a fixing protrusion 136 is formed at the center of the bottom surface of the flange 134 of the body 130, and an insertion groove 131 is formed at the fixing protrusion 136, but a hexagonal key is formed inside the insertion groove 131.
  • the groove 132 is formed.
  • the locking jaw 137 is formed on the outer circumferential lower portion of the fixing protrusion 136 but is formed by protruding the locking jaw 137 outward.
  • the wedge 140 is formed by dividing into three pieces, but forming a fastening groove 141 on the inner circumferential upper part to fit the locking jaw 137 to the fastening groove 141 and the banding groove 143 on the upper outer circumference. Form the elastic band 144 so as to be fixed to restraint.
  • the head coupler 150 is coupled to the second screw 112 of the waterproof cap 110 by forming a fastening screw 152 on the outer peripheral side of the annular fitting groove 154 in the lower portion of the fastening screw 152. Forming and fitting the packing 155 in the fitting groove 154 to completely seal the inside.
  • the head coupler 150 to form a guide ball 151 in the longitudinal direction, but to form a top of the guide ball 150 in a tapered shape to smoothly guide the inclined surface 142 of the wedge 140.
  • a tab screw 156 is formed under the guide hole 151 of the head coupler 150 so that the sheath hose 162 of the PC strand wire 160 can be screwed in rotation to form a screw therein. It is preferable to seal the tap groove 157 in the tab screw 156 and to seal the packing 158 in the fitting groove 157.
  • the rear end of the head coupler 150 may be used in combination with the inner body.
  • the PC strand wire 160 is preferably formed by press-fitting the spiral strand PC strand wire to the covering hose 162.
  • the pressure spring 121 presses the wedge 140 by the inclined guide ball 151 of the head coupler 150, so that the wedge 140 firmly tightens the PC strand 160. Keep it fixed.
  • the packing 155 is fitted to the coupling portion of the waterproof cap 110 and the head coupler 150, and the cover hose 162 of the PC strand wire 160 is forcibly screwed to the tab screw 156, so that the inside is completely Maintain closure to ensure complete blockage of grout material.
  • the pressure spring 121 is accurately positioned in the pressure jaw 135 and the locking jaw 114, and the removal spring 122 having a small diameter is screwed to the guide screw 133 in the pressure spring 121 to pressurize the pressure.
  • the elasticity of the spring 121 is prevented from interfering with the removing spring 122.
  • the wedge 140 continuously pressurizes the PC stranded wire 160 by the elasticity of the pressure spring 121, so that even when a lot of impact is applied from the outside during movement, transportation, or work, the PC stranded wire 160 can be maintained in a firmly coupled state. Will be.
  • the anchor structure 100 is inserted into the perforated hole of the slope, and then grouted, and then removed again after a certain period of time.
  • the body 130 coupled to the front end of the PC stranded wire 160 is also linked to rotate, thereby rotating the spring 120 coupled to the body 130 Done.
  • the removal spring 122 rotates through the first screw 111 of the waterproof cap 110 and moves inward of the waterproof cap 110, and the body 130 also moves in conjunction with the body 130.
  • the wedge 140 coupled to the body 130 is also moved to release the bite state of the PC strand 160.
  • the elastic band 144 coupled to the wedge 140 is smoothly expanded to smoothly release the bite state of the PC strand 160.
  • the ground anchor structure 100 of the present invention can be easily recombined by rotating even if the bonding state is separated, as well as maintaining a firmly coupled state to the external impact.
  • anchor structure 100 of the present invention as shown in Figure 9 and 10 will be apparent to use as a variety of structures, such as using the packer 101, or formed in a multi-stage or aggregate.
  • Removable ground anchor body using the spring of the present invention can completely block the inflow of grout material by maintaining a completely sealed state inside, it can maintain the state of the PC strands firmly fixed to the external impact during movement, transport or work, It can be easily removed and removed from the outside, which has industrial potential.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

La présente invention concerne un corps amovible d'ancrage au sol qui utilise un ressort, ledit corps amovible d'ancrage au sol comprenant : une coiffe étanche à l'eau (110) qui comporte un premier filetage (111) formé dans le côté supérieur de sa surface périphérique intérieure et un second filetage (112) formé dans le côté inférieur de sa surface périphérique intérieure ; une partie guidage résiliente (120) qui comporte un ressort de dépose (122) qui entre en prise avec le premier filetage (111) de la coiffe étanche à l'eau (110) afin de tourner et un ressort à pression (121) qui fonctionne vers l'extérieur ; un corps (130) qui est raccordé à l'extrémité inférieure du ressort de dépose (122) de la partie guidage résiliente (120) afin de coopérer avec celle-ci, et qui comporte un trou d'insertion (131) ; une cale (140) raccordée à l'extrémité inférieure du corps (130) afin de coopérer avec celui-ci ; un accoupleur de tête (150) qui entre en prise avec le second filetage (112) de la coiffe étanche à l'eau (110) et qui comporte une fente de guidage (151) formée dans son sens de la longueur pour guider la cale (140) ; et un fil d'acier pc (160) qui pénètre dans la fente de guidage (151) de l'accoupleur de tête (150) avec une extrémité insérée dans le trou d'insertion (131) du corps (130) et fixée par la cale (140) afin de coopérer avec celle-ci, le fil d'acier étant inséré de façon serrée dans un tuyau flexible de revêtement (162).
PCT/KR2013/001000 2012-12-21 2013-02-07 Corps amovible d'ancrage au sol utilisant un ressort WO2014098310A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20120150926 2012-12-21
KR10-2012-0150926 2012-12-21

Publications (1)

Publication Number Publication Date
WO2014098310A1 true WO2014098310A1 (fr) 2014-06-26

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PCT/KR2013/001000 WO2014098310A1 (fr) 2012-12-21 2013-02-07 Corps amovible d'ancrage au sol utilisant un ressort

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CN (1) CN103882865A (fr)
MY (1) MY170193A (fr)
WO (1) WO2014098310A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016200615B1 (en) * 2015-12-15 2016-09-29 Hyun Taik SHIN Removable ground anchor body using spring
CN109826323A (zh) * 2019-03-20 2019-05-31 华侨大学 一种柔性高强连接筋及其装配方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106480883B (zh) * 2016-12-09 2018-10-09 重庆工商职业学院 地锚
CN106522221B (zh) * 2016-12-09 2018-12-11 重庆工商职业学院 建筑施工用地锚装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050036832A (ko) * 2004-10-20 2005-04-20 김범연 그라운드 앵커용 정착제의 인장재 해체장치
JP2007046418A (ja) * 2005-08-12 2007-02-22 Kenji Onodera 除去式アンカーの定着具及びその定着方法
KR100701436B1 (ko) * 2005-08-26 2007-03-30 김성우 그라운드 앵커용 정착구
KR100963565B1 (ko) * 2009-09-25 2010-06-15 삼진스틸산업(주) 스프링 이용한 제거식 그라운드 앵커체
KR20120119639A (ko) * 2011-04-22 2012-10-31 박병구 타격을 통해 재장착이 가능한 일자형 제거식 앵커헤드

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1373644B1 (fr) * 2001-03-23 2013-01-09 Samwoo Geotech.Co Ensamble clavette et ancrage interne utilisant cette clavette

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050036832A (ko) * 2004-10-20 2005-04-20 김범연 그라운드 앵커용 정착제의 인장재 해체장치
JP2007046418A (ja) * 2005-08-12 2007-02-22 Kenji Onodera 除去式アンカーの定着具及びその定着方法
KR100701436B1 (ko) * 2005-08-26 2007-03-30 김성우 그라운드 앵커용 정착구
KR100963565B1 (ko) * 2009-09-25 2010-06-15 삼진스틸산업(주) 스프링 이용한 제거식 그라운드 앵커체
KR20120119639A (ko) * 2011-04-22 2012-10-31 박병구 타격을 통해 재장착이 가능한 일자형 제거식 앵커헤드

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016200615B1 (en) * 2015-12-15 2016-09-29 Hyun Taik SHIN Removable ground anchor body using spring
CN109826323A (zh) * 2019-03-20 2019-05-31 华侨大学 一种柔性高强连接筋及其装配方法
CN109826323B (zh) * 2019-03-20 2024-02-27 华侨大学 一种柔性高强连接筋及其装配方法

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Publication number Publication date
CN103882865A (zh) 2014-06-25
MY170193A (en) 2019-07-09

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