KR100401237B1 - Soil improvement technique for foundation applied to reinforced earth theory using reinforcing rod-band-types anchor - Google Patents

Soil improvement technique for foundation applied to reinforced earth theory using reinforcing rod-band-types anchor Download PDF

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Publication number
KR100401237B1
KR100401237B1 KR10-1999-0048688A KR19990048688A KR100401237B1 KR 100401237 B1 KR100401237 B1 KR 100401237B1 KR 19990048688 A KR19990048688 A KR 19990048688A KR 100401237 B1 KR100401237 B1 KR 100401237B1
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South Korea
Prior art keywords
band
reinforcement
anchor
circular
front plate
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KR10-1999-0048688A
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Korean (ko)
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KR20000006807A (en
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정재영
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(주)천일기술단
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Publication of KR20000006807A publication Critical patent/KR20000006807A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/11—Height being adjustable

Abstract

본 발명은 벽면을 조정할 수 있는 철근과 밴드형 앵커로 결합한 보강토 공법에 관한 것으로서, 더욱 상세하게는 가공과 구득이 쉬운 원형 철근과 지지력을 크게 지지할 수 있는 밴드형 앵커를 결합시켜 전면판의 기울기를 조정할 수 있는 보강토 공법을 제공하는 그 목적이 있고, 밴드형 앵커의 높이를 조정할 수 있어 인발 저항력을 크게 할 수 있으며, 너트로 전면판의 수직도를 쉽게 유지할 수 있는 효과를 가지는 벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법에 관한 것이다.The present invention relates to a reinforcement earth method combined with a reinforcing bar and a band-type anchor that can adjust the wall surface, and more specifically, the inclination of the front plate by combining a circular anchor and a band-type anchor that can greatly support the support force, easy to process and obtain Its purpose is to provide a reinforcement soil method that can adjust the height, and the height of the band-type anchor can be adjusted to increase the pullout resistance, and the nut can adjust the wall surface having the effect of easily maintaining the verticality of the faceplate. The present invention relates to a reinforcing bar-band anchor reinforcement method.

본 발명은, 콘크리트 전면판을 설치한 후 콘크리트 전면판에 매설된 부착고리에 양단에 나사를 형성한 원형 철근을 삽입하여 너트로 결합하고, 원형 철근의 다른 끝 부분에 밴드형 앵커를 삽입하여 너트로 조여서 2개의 원형 철근과 한 개의 밴드형 앵커를 한 쌍이 되는 좌우동형의 보강재를 형성하고, 좌우동형의 보강재 위에 흙을 붓고 다져서 밴드형 앵커단면에 지지력을 일으키게 하여 보강토체를 구축하고, 전면판의 기울기를 원형 철근에 형성된 나사와 너트로 조정할 수 있도록 하는 보강토 공법을 제공한다.The present invention, after installing the concrete front plate is inserted into the mounting ring embedded in the concrete front plate by inserting the circular reinforcing rods with screws at both ends, and coupled to the nut, by inserting a band-shaped anchor at the other end of the circular reinforcing nut Tighten with two circular reinforcing bars and one band-type anchor to form a pair of left and right reinforcement, pour the soil on the left and right reinforcement to stiffen to create a supportive force on the band anchor cross-section to build a reinforcement body, front plate A reinforcement method is provided to allow the slope of the beam to be adjusted with screws and nuts formed on circular rebars.

Description

벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법{SOIL IMPROVEMENT TECHNIQUE FOR FOUNDATION APPLIED TO REINFORCED EARTH THEORY USING REINFORCING ROD-BAND-TYPES ANCHOR}SOIL IMPROVEMENT TECHNIQUE FOR FOUNDATION APPLIED TO REINFORCED EARTH THEORY USING REINFORCING ROD-BAND-TYPES ANCHOR}

본 발명은 가공과 구득이 쉬운 원형 철근의 양단에 나사를 형성시켜 지지력을 크게할 수 있는 밴드형 앵커를 결합시키고, 너트를 이용하여 전면판의 기울기를 조정할 수 있는 벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법에 관한 것이다.The present invention combines a band-type anchor that can increase the bearing capacity by forming a screw on both ends of the circular rebar easy to process and obtain, and the rebar-band that can adjust the wall surface to adjust the inclination of the front plate using a nut Type anchor reinforcing soil method.

미국 patent No. 4407611인 Earth anchored 보강토 공법은 원형 철근의 한쪽을 나사로 반대쪽은 Z형 또는 삼각형으로 이루어져 있으며, Z형 또는 삼각형이 지지력을 발휘하도록 구성되어 있다.US patent no. Earth anchored reinforcement method, 4407611, consists of Z-shape or triangle on one side of circular rebar with screw, and Z-shape or triangle is configured to exert bearing force.

보강토 공법은, 보강재의 인발 저항력 〉보강재의 인장력의 관계에 있으며, 인장력이 큰 철근도 인발 저항력이 모자라면 인발 파괴되기 때문에 인발 저항력이 큰 안정된 시스템이 필요하다.앵커를 사용하는 보강토 공법의 수동 저항력은, (4 ×수동 토압계수 ×수직 응력 ×앵커의 단면적) + (수직응력 ×흙의 마찰각 ×2 ×앵커의 접촉면적)으로 인발 저항력은 앵커의 지지 단면과 앵커의 흙과의 접촉 면적에 비례한다.The reinforcement earth method is related to the pull-out resistance of the reinforcement〉 tensile strength of the reinforcement, and even if the reinforcement with high tensile strength is not pulled out, the pull-out is destroyed. Silver is (4 × manual earth pressure coefficient × vertical stress × cross-sectional area of anchor) + (vertical stress × friction angle of soil × 2 × contact area of anchor). do.

철근 단면의 지지력과 Z형 또는 삼각형의 마찰력으로 흙의 토압을 견디도록 한 이 공법은 철근 단면적 (D22 ~ 16mm)이 작고 흙과의 접촉 단면적인 삼각형 면적이 적으며, 원형 철근이 전면판을 관통하여 벽면 외부에서 너트로 결합되며, 전면판 외부로 노출된 원형 철근과 너트를 캡(cap)으로 덮는 시스템으로, 벽면을 기울기를 조정하는 시스템이 없기 때문에 벽면의 조정은 숙달된 기능인에 의하여 수행을 해야 하는 단점이 있었다.This method is designed to withstand earth pressure by supporting force of reinforcing cross section and friction of Z-shaped or triangular. It has a small reinforcing cross section (D22 ~ 16mm), small triangular area in contact with soil, and circular reinforcing bars penetrate the faceplate. It is coupled to the nut at the outside of the wall, and the system covers the circular rebar and the nut exposed to the outside of the front plate with a cap. Since there is no system to adjust the tilt of the wall, the adjustment of the wall is performed by a skilled function. There was a downside to it.

본 발명은 가공과 구득이 쉬운 원형 철근에 나사를 형성시켜서 앵커의 높이를 조정할 수 있는 밴드형 앵커를 결합시켜 지지력을 크게할 수 있으며, 턴 버클(turn buckle)과 같이 너트의 회전에 의한 원형 철근의 수평이동을 이용하여 전면판의 기울기를 조정할 수 있는 보강토 공법을 제공하는데 목적이 있다.The present invention can increase the bearing capacity by combining a band-type anchor that can adjust the height of the anchor by forming a screw on the circular rebar easy to process and obtain, circular reinforcement by the rotation of the nut, such as turn buckle (turn buckle) The purpose is to provide a reinforcement soil method that can adjust the inclination of the front plate using the horizontal movement of.

도 1은 밴드형 앵커의 상세도.1 is a detailed view of a band anchor.

도 2는 타이 스트랩(tie-strap)의 상세도.2 is a detail of a tie-strap.

도 3은 원형 철근과 밴드형 앵커의 부설도.Figure 3 is an installation of the circular reinforcing bar and the band anchor.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

1 : 밴드형 앵커 2 : 원형 철근1: band-type anchor 2: round rebar

3 : 타이 스트랩(tie-strap) 4 : 콘크리트 전면판6 : 좌우동형 보강재3: tie-strap 4: concrete front plate 6: left-right reinforcement

본 발명은 상술한 목적을 달성하기 위하여, 본 발명은, 단층 지면과 적층되는 콘크리트 전면판 사이에 보강재를 부설하고, 단층 지면에 자갈, 토사 등을 채우고 다져서 보강재와 토사가 일체화되게 축성하는 보강토 공법에 있어서, 상기 콘크리트 전면판의 일측면에 다수개가 설치되는 한편, 띠형 철재의 한 쪽을 완전히 반전시키고, 반대쪽의 끝을 볼트 구멍을 형성한 후 90도 반전시킨 타이 스트랩과; 상기 타이 스트랩의 볼트 구멍에 고정되는 한편, 양단에 나사를 형성하고, 상기 2개의 콘크리트 전면판의 연접한 타이 스트랩에 각각 너트가 결합되어 체결되는 원형 철근과; 상기 2개의 원형 철근의 후방에 결합됨과 동시에, 띠형 철재의 양끝에 볼트 구멍을 형성한 후 반원형으로 휘고, 다시 양단을 각각으로 반전시킨 밴드형 앵커과; 상기 2개의 원형 철근과 밴드형 앵커가 결합된 좌우동형 보강재와; 및 상기 좌우동형 보강재를 연결시키는 너트;로 구성되어 콘크리트 전면판의 기울기를 조정 하는 것을 특징으로 하는 벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법을 제공한다.양쪽으로 나사가 형성된 원형의 철근과 앵커의 높이를 조정할 수 있는 밴드형 앵커의 연결 시스템을 설명하면 다음과 같다.The present invention, in order to achieve the above object, the present invention, by laying a reinforcement between the single-layer ground and the concrete front plate to be laminated, filling the gravel, soil, etc. to the single-layer ground and reinforce the earth reinforcement method of the reinforcement and the soil to be integrated The tie strap is installed on one side of the concrete front plate, while completely inverting one side of the strip-shaped steel, and the other end of the tie strap is inverted 90 degrees after forming a bolt hole; Circular reinforcing bars fixed to the bolt holes of the tie straps, having screws at both ends, and the nuts being coupled to and fastened to the tie tie straps of the two concrete front plates; A band-type anchor coupled to the rear of the two circular reinforcing bars and simultaneously forming bolt holes at both ends of the strip-shaped iron, and then bent in a semicircular shape, and inverting both ends thereof respectively; A left and right reinforcement member to which the two circular bars and the band anchor are coupled; And a nut connecting the left and right reinforcement members to provide a reinforcing bar-band anchor reinforcement method for adjusting a wall surface, characterized in that the inclination of the concrete faceplate is adjusted. Referring to the connection system of the band-type anchor that can adjust the height of the anchor as follows.

〈실시예〉<Example>

도 1에서, 양단에 나사를 형성한 2개의 원형 철근(2)과, 띠형 철재의 양끝에 볼트 구멍(1a, 1b)을 형성한 후 반원형으로 휘고 다시 양단을 직각으로 반전시킨 밴드형 앵커(1)를 연결한 좌우동형 보강재(6)이다.In Fig. 1, two circular reinforcing bars (2) having screws at both ends, and band holes (1a, 1b) formed at both ends of the strip-shaped steel, and then bent in a semicircular shape and inverted at both ends at right angles (1). ) Is a right and left movable reinforcement (6).

도2에서, 띠형 철재의 한 쪽을 완전히 반전시키고, 다른 한쪽의 끝을 볼트 구멍(3a)로 형성한 후 90도 반전시킨 타이 스트랩(tie-strap)(3)으로, 상기 타이 스트랩(3)은 하나의 콘크리트 전면판(4)에 각각 4개씩 설치된다.In Fig. 2, a tie strap 3 in which one side of the strip-shaped iron is completely reversed, the other end is formed into a bolt hole 3a, and then reversed 90 degrees. 4 are installed in each one concrete front plate (4).

도 3에서, 먼저 콘크리트 전면판(4)을 설치하고, 좌우동형 보강재(6) 원형 철근(2)의 끝을 콘크리트 전면판에 미리 매설된 타이 스트랩(3)의 볼트 구멍(3a)에 삽입하여 너트(도시없음)로 연결하고, 부설 후 타이 스트랩(3) 부분을 남기고 지층단면(7)위에 흙을 포설하여 다진 다음 타이 스트랩(3)에 삽입된 원형 철근(2)에 너트(도시없음)를 조여서 콘크리트 전면판(4)을 수평으로 밀고 당겨 기울기를 조정한 후 타이 스트랩(3) 부분을 흙으로 덮고 다진다.즉, 상기 콘크리트 전면판(4)에 설치된 타이 스트랩(3)에는, 각각 원형 철근(2)이 너트로 고정됨과 아울러, 상기 콘크리트 전면판(4)이 좌,우방향 및 높이 방향으로 다수개가 적층된 경우, 그 인접한 콘크리트 전면판(4)에 연결된 원형 철근(2)에 밴드형 앵커(1)가 결합되고 그 후면에 너트가 체결되어 콘크리트 전면판(4)의 기울기를 조정하게 된다.In FIG. 3, first, the concrete face plate 4 is installed, and the end of the horizontal reinforcement 6 circular reinforcing bar 2 is inserted into the bolt hole 3a of the tie strap 3 which is already embedded in the concrete face plate. Connect with a nut (not shown), and after laying, leave the tie strap (3) part, install the soil on the stratum cross section (7), chop it, and then attach the nut (not shown) to the circular reinforcement (2) inserted in the tie strap (3). Tighten and push the concrete faceplate 4 horizontally to adjust the tilt, and cover and tie the tie straps 3 with dirt, i.e., to the tie straps 3 installed on the concrete faceplate 4, respectively. When the circular reinforcing bar 2 is fixed with a nut and a plurality of concrete front plates 4 are stacked in the left, right and height directions, the circular reinforcing bars 2 connected to the adjacent concrete front plates 4 are attached to the concrete reinforcing bars 2. Band-shaped anchors (1) are combined and nuts are fastened to the rear to Thereby adjusting the inclination of the plate 4.

본 발명의 벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법에 의하면, 밴드형 앵커의 높이를 조정할 수 있어 인발 저항력을 크게 할 수 있으며, 턴 버클과 같은 원리를 이용하여 흙의 토압에 민감한 전면판을 너트로 전면판의 수직도를 쉽게 유지할 수 있는 효과를 얻을 수 있다.According to the reinforcing bar-band anchor reinforcement method for adjusting the wall surface of the present invention, it is possible to adjust the height of the band-type anchor to increase the pull-out resistance, the front plate sensitive to the earth pressure by using the same principle as the turn buckle The nut can easily maintain the verticality of the front panel.

Claims (4)

단층 지면과 적층되는 콘크리트 전면판 사이에 보강재를 부설하고, 단층 지면에 자갈, 토사 등을 채우고 다져서 보강재와 토사가 일체화되게 축성하는 보강토 공법에 있어서,In the reinforcement soil method of laying the reinforcement between the single-layer ground and the concrete front plate laminated, and filling the single-layer ground with gravel, soil, etc. 상기 콘크리트 전면판(4)의 일측면에 다수개가 설치되는 한편, 띠형 철재의 한 쪽을 완전히 반전시키고, 반대쪽의 끝을 볼트 구멍(3a)을 형성한 후 90도 반전시킨 타이 스트랩(tie-strap)(3)과;A plurality of tie-straps are installed on one side of the concrete front plate 4, while one side of the strip-shaped steel is completely inverted, and the other end is inverted by 90 degrees after the bolt hole 3a is formed. (3); 상기 타이 스트랩(3)의 볼트 구멍(3a)에 고정되는 한편, 양단에 나사를 형성하고, 상기 2개의 콘크리트 전면판(4)의 연접한 타이 스트랩(3)에 각각 너트(도시없음)가 결합되어 체결되는 원형 철근(2)과;While fixed to the bolt hole 3a of the tie strap 3, a screw is formed at both ends, and nuts (not shown) are respectively coupled to the tie tie straps 3 of the two concrete front plates 4 joined to each other. A circular reinforcing bar 2 to be fastened; 상기 2개의 원형 철근(2)의 후방에 결합됨과 동시에, 띠형 철재의 양끝에 볼트 구멍(1a, 1b)을 형성한 후 반원형으로 휘고, 다시 양단을 각각으로 반전시킨 밴드형 앵커(1)과;A band-type anchor (1) coupled to the rear of the two circular reinforcing bars (2) and simultaneously formed with bolt holes (1a and 1b) at both ends of the strip-shaped steel, and then bent in a semicircular shape and inverted at both ends; 상기 2개의 원형 철근(2)과 밴드형 앵커(1)가 결합된 좌우동형 보강재(6)와; 및Left and right reinforcing members (6) to which the two circular bars (2) and the band anchor (1) are coupled; And 상기 좌우동형 보강재(6)를 연결시키는 너트(도시없음);로 구성되어 콘크리트 전면판의 기울기를 조정하는 것을 특징으로 하는 벽면을 조정할 수 있는 철근-밴드형 앵커 보강토 공법.Nut (not shown) connecting the left and right reinforcement (6); Reinforced-band anchor reinforcement method for adjusting the wall surface, characterized in that consisting of adjusting the slope of the concrete front plate. 삭제delete 삭제delete 삭제delete
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JP2001288747A (en) * 2000-04-10 2001-10-19 Kyokado Eng Co Ltd Reinforced earth structure, its reinforcing material, joint section and execution method
KR101980743B1 (en) * 2018-12-07 2019-05-21 주식회사 제이에이치 Concrete panel structure with panel connecting member and method for constructing the same
KR102618678B1 (en) * 2022-12-26 2023-12-28 주식회사 한포스 Placementing Methods of Reinforcing strip of retaining wall

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