KR20060050476A - Reinforcement structure for a foundation pile - Google Patents

Reinforcement structure for a foundation pile Download PDF

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Publication number
KR20060050476A
KR20060050476A KR1020050074753A KR20050074753A KR20060050476A KR 20060050476 A KR20060050476 A KR 20060050476A KR 1020050074753 A KR1020050074753 A KR 1020050074753A KR 20050074753 A KR20050074753 A KR 20050074753A KR 20060050476 A KR20060050476 A KR 20060050476A
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South Korea
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steel pipe
reinforcement
reinforcing
concrete
reinforcement structure
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KR1020050074753A
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Korean (ko)
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배정효
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배정효
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    • 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
    • E02D5/22—Piles
    • E02D5/24—Prefabricated piles
    • E02D5/28—Prefabricated piles made of steel or other metals
    • E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • 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
    • E02D5/22—Piles
    • E02D5/60—Piles with protecting cases
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1685—Shapes cylindrical
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0061—Production methods for working underwater
    • E02D2250/0069—Welding
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron

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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)
  • Foundations (AREA)

Abstract

본 발명은 강관말뚝 두부보강을 함에 있어 보강철근(400)이 직접 수직지압응력의 일부를 담당하도록 한 기초 공사용 강관의 상단부 보강구조에 관한 것이다. 이 같은 본 발명은 원판(30)과 달대(10)로 형성된 부재를 볼트 모양의 전단키(20)에 결합시켜 속 채움 콘크리트(5) 유입이 가능한 공간을 형성하고 보강철근(400)을 설치하여 간편하게 강관말뚝의 상단부를 보강하는 기초공사용 강관의 상단부 보강구조이다. 본 발명은 부재숫자가 적고 경량시스템에 의한 간편한 시공으로 공사비의 절감을 가능케 했으며 강관(100)과 확대기초 콘크리트(500)와의 일체화(강결합)는 물론 강관말뚝머리에 작용하는 응력들에 대해 안정적으로 저항 하도록 한 기초공사용 강관의 상단부 보강구조를 제공한다.The present invention relates to the reinforcement structure of the upper end portion of the steel pipe for the foundation construction to reinforce the reinforcement 400 directly responsible for a part of the vertical acupressure stress in the steel pipe pile head reinforcement. The present invention is formed by combining the member formed of the disc 30 and the moon 10 to the bolt-shaped shear key 20 to form a space that can be filled with the filling concrete (5) and install the reinforcement reinforcement 400 simply It is the reinforcement structure of the upper end of steel pipe for basic construction to reinforce the upper end of steel pipe pile. The present invention has a low number of members and allows construction costs to be reduced by simple construction by a lightweight system, and is stable against stresses acting on the steel pipe pile as well as the integration (steel coupling) between the steel pipe 100 and the expanded base concrete 500. It provides a reinforcement structure on the upper part of the steel pipe for foundation work to be resisted.

기초공사, 보강구조 Foundation construction, reinforcement structure

Description

기초공사용 강관의 상단부 보강구조 {Reinforcement structure for a foundation pile}Reinforcement structure for a foundation pile}

도 1은 종래의 기초공사용 강관의 상단부 보강구조를 도시한 사시도.1 is a perspective view showing a reinforcing structure of the upper end of a conventional steel pipe for basic construction.

도 2는 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 전체분해 사시도.Figure 2 is an exploded perspective view of the reinforcing structure of the upper end of the steel pipe for the basic construction as an embodiment of the present invention.

도 3은 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 결합 단면도.Figure 3 is a combined cross-sectional view of the reinforcing structure of the upper end of the steel pipe construction for an embodiment of the present invention.

도 4는 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 사용 상태도.Figure 4 is a state of use of the steel pipe upper end reinforcement structure for the basic construction as an embodiment of the present invention.

*도면주요부분에대한부호의설명** Description of the symbols on the main parts of the drawings *

2 :연약지반 3 :확대기초 바닥철근 4 :안정지지층 5 : 속채움 콘크리트2: Soft ground 3: Expanding base floor 4: Stable support 5: Filling concrete

7 : 고정클립 10 : 달대 20 : 전단키 22 :전단키 설치구멍 30 :원판7 fixed clip 10 moon 20 shear key 22 shear key installation hole 30 disc

50 :원형링 60 :지지로드 100 :강관 400 :보강철근 400W :이음 용접부50: circular ring 60: support rod 100: steel pipe 400: reinforcing bar 400W: joint weld

450 :띠철근 500: 확대기초 콘크리트450: strip reinforcement 500: expanded base concrete

본 발명은 건축이나 토목의 기초공사에 있어서 지면으로부터 타입한 강관(100)말뚝의 상단부를 보강하기 위한 기초공사용 강관(100)의 상단부 보강구조에 관한 것으로 특히 강관의 상단부에 원판(30)과 달대(10)로 구성된 부재를 볼트모양의 전단키(20)와 결합하여 설치하고 원기둥형 구조 체를 이루는 보강철근(400)과 속 채움 콘크리트(5)에 의하여 간편하게 강관말뚝의 머리보강을 함은 물론 강관(100)과 확대기초콘크리트(500)의 결합을 간편하게 시공할 수 있도록 한 기초공사용 강관의 상단부 보강구조에 관한 것이다. 일반적으로 강관말뚝의 상단부에 작용하는 축력 모멘트 수평력 인발력 등에 안정적으로 저항하게 하기위하여 각종부재를 사용하여 강관의 상단을 보강하게 되는데 종래에는 강관(100)말뚝 상단에 접하게 되는 콘크리트에 집중되는 수직지압응력을 분산하기위해 각종 전단부재를 용접이나 볼트체결 등의 방법으로 설치하여 강관(100)상단부를 보강하는 것이 일반적 이었다.The present invention relates to the reinforcing structure of the upper end of the steel pipe 100 for basic construction for reinforcing the upper end of the pile of steel pipe (100) type from the ground in the construction or foundation work of civil engineering, in particular the disc 30 and the moon at the upper end of the steel pipe The member consisting of the (10) is installed in combination with the bolt-shaped shear key (20) and the reinforcing steel reinforcement (400) and the filling concrete (5) forming a cylindrical structure to easily reinforce the head of the steel pipe pile as well as steel pipe It relates to the reinforcing structure of the upper end of the steel pipe for basic construction for easy construction of the combination of the (100) and the expanded basic concrete (500). In general, in order to stably resist the axial moment moment force acting on the upper end of the steel pipe pile, etc. to reinforce the upper end of the steel pipe by using various members. Conventionally, the vertical acupressure stress concentrated on the concrete that is in contact with the upper end of the steel pipe (100) In order to disperse, it was common to install various shear members by welding or bolting to reinforce the upper end of the steel pipe 100.

따라서 종래의 방법들은 상기 전단부재를 구비하여 설치하기위한 비용과 시간이 소요됨은 물론 시공성이 저하되는 문제가 있었다.Therefore, the conventional methods, as well as the cost and time for installation with the shear member, had a problem that the workability is reduced.

따라서, 본 발명의 목적은 상기와 같은 종래의 문제점을 해결하기 위해 안출된 것으로서 본 발명의 목적은 용접이나 볼트 체결 등의 방법으로 전단부재를 설치하던 종래의 방법들과는 달리 보강철근(400)의 절단면을 강관의 상단면에 놓이게 설치하여 보강철근이 수직지압응력의 일부를 분담하도록 한 기술로 용접이음 된 보강철근 중 강관상단에 위치하는 보강철근(400)의 절단면을 강관 상단면에 밀착시켜 강관과 수직되게 세우고 보강철근(400)의 용접부 아래쪽 즉, 강관 내부에 위치하는 보강철근은 용접부 조금아래 부분에서부터 도3의 보강철근(400)과 같이 비스듬한 경사를 이루게 하여 강관의 내면과 이격되도록 하고 보강철근이 원기둥형 구조체를 이루게 하여 수직지압응력에 대한 분담 기능과 휨 모멘트에 저항하도록 한 기초공사용 강관의 상단부 보강구조를 제공하려는데 있는 것이다.Therefore, the object of the present invention is devised to solve the conventional problems as described above, the object of the present invention is a cutting surface of the reinforcing bar 400, unlike the conventional methods of installing the shear member by a method such as welding or bolt fastening To be placed on the upper surface of the steel pipe so that the reinforcing bars share a part of the vertical acupressure stress, and the cut surface of the reinforcing steel 400 located at the top of the steel pipe among the welded reinforcing bars closely adheres to the upper surface of the steel pipe. The reinforcing bars located vertically and located below the welded part of the reinforcing bar 400, that is, inside the steel pipe, form a slanted inclination like the reinforcing bar 400 of FIG. 3 from a slightly lower part of the welded part so as to be spaced apart from the inner surface of the steel pipe. The upper part of the steel pipe for basic construction for forming this cylindrical structure to share the function of vertical acupressure stress and to resist the bending moment It is to provide a secondary reinforcement structure.

이하 첨부된 도면에 의거하여 본 발명의 바람직한 일실시예를 설명하면 다음과 같다. 참고로 이하에 참조되는 도면에 대하여는 설명의 편의상 종래와 동일한 부분에 대해서는 동일한 참조 번호를 부여하여 설명한다. 도2는 본발명의 일실시예로 기초공사용 강관 상단부 보강구조의 분해사시도 이고, 도3은 본발명의 일실시예로 기초공사용 강관 상단부 보강구조의 결합단면도 이며 도4는 본발명의 일실시예로 기초공사용 강관 상단부 보강구조의 사용상태도이다. 도3과 도4의 도시된바 와같이 강관 내 상단부에 속채움 콘크리트(500)가 유입되도록 부재를 설치하되 본 발명의 부재는 원판(30)과 달대(10)로 구성되며 달대 상단에는 갈고리가 형성돼있어서 전단키 설치구멍(22)을 통해 설치된 볼트모양의 전단키(20)에 걸친 후 고정클립(7)으로 고정하여 일정공간을 확보하고, 전단키(20)는 전단연결재로 축력의 일부와 인발에 대한 저항을 하도록 했으며 용접에 의해 일체된 다수의 보강철근(400) 중 확대기초 콘크리트부에 위치하는 철근의 절단면을 도3과 같이 강관상단에 밀착시켜 강관과 수직이 되게 하고 수직지압응력의 일부를 담당하도록 한다. 용접 부 아래쪽 즉, 강관내부에 위치하는 보강철근은 용접 부 조금아래부분에서부터 비스듬한 경사 를 이루게 하여 강관의 내면과 이격되도록 설치하여 보강철근 전체가 원기둥 구조 체를 이루게 하여 휨 모멘트에 저항기능을 갖도록 했다. 참고로 보강철관(400)의 설치순서는 확대기초 바닥철근(3)시공 후 확대기초 바닥철근(3)윗면의 강관(100)말뚝과 수직위치에 띠철근(450) 1개를 먼저 결속하여 고정하고 띠철근(450)의 안쪽으로 다수의 보강철근(400)을 설치하되 확대기초 콘크리트부에 위치하는 보강철근(400)의 절단면을 도3 에서와 같이 강관(100) 상단면에 밀착시켜 강관과 수직되게 세우고 이미 고정되어있는 띠철근(450)에 의지해 결속 고정하는 방법으로 설치한 후 나머지 띠철근(450)을 모두설치하며 마감하면 보강철근(400)은 원기둥형 구조체가 된다. 단. 강관(100)내부에 위치하는 보강철근(400)에는 강관(100)이 속채움 콘크리트(5)를 구속함으로 띠철근(450) 조립을 생략한다.Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. For reference, the drawings referred to below will be described with the same reference numerals for the same parts as in the prior art for convenience of description. Figure 2 is an exploded perspective view of the reinforcing structure of the steel pipe upper end of the basic construction as an embodiment of the present invention, Figure 3 is a cross-sectional view of the coupling structure of the upper portion of the steel pipe reinforcing structure of the basic engineering as an embodiment of the present invention and Figure 4 is an embodiment of the present invention This is a state diagram of the reinforcement structure of the upper part of steel pipe for basic construction. As shown in Figures 3 and 4, but the member is installed so that the inside of the filling concrete 500 is introduced into the upper end of the steel pipe, the member of the present invention is composed of a disc 30 and the moon 10 and a hook on the top of the moon It is formed so as to cover a bolt-shaped shear key 20 installed through the shear key installation hole 22 and then secure it with a fixed clip (7) to secure a certain space, the shear key 20 is a shear connector to the part of the axial force and drawing The cutting surface of the reinforcing bar located in the expanded base concrete part among the plurality of reinforcing bars 400 integrated by welding is brought into close contact with the upper part of the steel pipe as shown in FIG. Take charge. The reinforcing bars located below the weld, that is, inside the steel pipe, are installed to be inclined obliquely from the lower part of the weld, so as to be spaced apart from the inner surface of the steel pipe so that the entire reinforcing bars form a cylindrical structure to have a resistance to the bending moment. . For reference, the installation sequence of the reinforcing steel pipe 400 is fixed by first binding one band reinforcing bar 450 at a vertical position with the steel pipe 100 on the upper surface of the expanding base bottom reinforcing bar 3 after construction And install a plurality of reinforcing steel reinforcement (400) in the inner side of the band reinforcement 450, but the cut surface of the reinforcing steel reinforcement 400 located in the expanded base concrete portion in close contact with the upper surface of the steel pipe 100 as shown in Figure 3 Reinforcing bar 400 becomes a cylindrical structure after installing and finishing all of the remaining band reinforcing bars 450 after installing them in a vertically fixed manner by relying on the already fixed band reinforcing bars 450. only. The reinforcing bar 400 located inside the steel pipe 100 omits the assembly of the band reinforcing bar 450 because the steel pipe 100 restrains the filling concrete 5.

이상에서 설명한바 와같이 본 발명은 강관(100)의 내상단부에 원판(30)과 달대(10)로 구성된 부재의 달대(10)상단의 고리를 전단키(20)에 걸고 고정클립(7)으로 고정시켜 일정공간을 확보한 후 보강철근(400)의 확대기초콘크리트(500)부에 위치하는 철근의 절단면을 강관(100) 상단면에 밀착시켜 강관과 수직되도록 설치하여 확대기초콘크리트(500)에 집중되는 수직지압응력을 보강철근(400)이 분담토록 하여 종래와 같이 전단부재를 별도설치하지 않고 강관말뚝 상단에 작용하는 응력들에 대해 안전하게 저항 하도록 하였으며 확대기초 바닥철근(3)의 시공이 먼저 진행된 다음 보강철근(400)을 설치함으로 확대기초바닥철근(3)의 간섭을 완전히 피해 보강철근(400)을 설치할 수 있는 효과를 제공한다. 본 발명은 상술한 특정의 바람직한 실 시예의 한정되지 아니하며 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자라면 누구든지 변형실시가 가능한 것을 물론이고 그와같은 변경은 청구범위 기재의 범위내에 있게된다.As described above, the present invention hangs the hook of the upper end of the moon 10 of the member consisting of the disc 30 and the moon 10 at the inner upper end of the steel pipe 100 to the shear key 20 to the fixed clip (7) After securing a certain space by fixing the cut surface of the reinforcing bar located in the expanded basic concrete 500 of the reinforcement reinforcement 400 in close contact with the upper surface of the steel pipe 100 to be installed perpendicular to the steel pipe to the expanded basic concrete 500 The reinforcement bar 400 distributes the concentrated vertical acupressure stress so that it can safely resist stresses acting on the top of the steel pipe pile without installing the shear member as in the prior art. By proceeding to install the reinforcing reinforcement (400) then it provides an effect that can be installed to completely reinforce the reinforcement (400) to avoid the interference of the expansion base floor (3). The present invention is not limited to the specific preferred embodiments described above, and any person having ordinary skill in the art to which the present invention pertains may make modifications without departing from the gist of the present invention as claimed in the claims. Such changes are intended to fall within the scope of the claims.

Claims (3)

강관말뚝의 상단부를 보강함에 있어, 원판(30)과 상단에 고리가 있는 달대(10)로 구성된 부재를 강관(100)에 타공된 전단키 설치구멍(22)을 통하여 설치된 전단키(20)에 걸고 고정클립으로 고정하여 강관 내 상단에 속채움 콘크리트(5)가 유입될 공간을 확보하고 용접으로 일체된 다수의 보강철근 중 확대기초 콘크리트에 위치하는 철근의 절단면을 강관의 상단면에 밀착시켜 강관과 수직되도록 하여 원기둥 구조체를 이루게 한 후 확대기초 콘크리트(500) 타설시 속채움 콘크리트(5)를 유입시켜 강관말뚝머리에 작용하는 응력들에 대해 저항 하도록 함을 특징으로 하는 기초공사용 강관의 상단부 보강구조.In reinforcing the upper end of the steel pipe pile, the member consisting of the disc 30 and the moon 10 with a ring on the top is fixed to the shear key 20 installed through the shear key installation hole 22 perforated in the steel pipe 100 Secured with a clip to secure the space for the inflow of the filled concrete (5) in the upper part of the steel pipe, and the cut surface of the reinforcing bar located in the expanded base concrete among the plurality of reinforcing bars integrated by welding closely adheres to the upper surface of the steel pipe and is perpendicular to the steel pipe. Reinforcing the upper part of the steel pipe for the basic construction, characterized in that to form a cylindrical structure to the base concrete (500) when placing the filling concrete (5) to resist the stresses acting on the steel pipe pile head. 1항에 있어서 확대기초 콘크리트에 위치하는 보강철근(400)의 절단면을 강관(100)상단 면에 밀착시켜 보강철근(400)이 강관(100)과 수직이 되게 설치됨을 특징으로 하는 기초공사용 강관의 상단부 보강구조.The method of claim 1, wherein the reinforcing bar 400 is installed to be perpendicular to the steel pipe 100 by closely contacting the cut surface of the reinforcing steel reinforcement 400 located in the expanded base concrete to the upper surface of the steel pipe 100 Reinforcement structure at the top. 1항에 있어 보강철근(400)은 확대기초 콘크리트(500)에 위치하는 철근과 강관(100) 내부에 위치하고 강관상단으로부터 조금 아래지점에서 강관의 내면과 비스듬한 경사각을 이루는 철근을 도3에서 도시된바 같이 용접으로 일체시켜 사용함을 특징으로 하는 기초공사용 강관의 상단부 보강구조.Reinforcement reinforcement 400 is a reinforcing bar 400 is located in the expansion base concrete (500) and located inside the steel pipe (100) is located at a point slightly below the top of the steel pipe to form an oblique angle with the inner surface of the steel pipe in Fig. 3 Reinforcing structure of the upper end of the steel pipe for basic construction, characterized in that it is used integrally by welding as bar.
KR1020050074753A 2004-09-06 2005-08-16 Reinforcement structure for a foundation pile KR20060050476A (en)

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