KR20060048843A - Reinforcement structure for a foundation pile - Google Patents

Reinforcement structure for a foundation pile Download PDF

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Publication number
KR20060048843A
KR20060048843A KR1020050068760A KR20050068760A KR20060048843A KR 20060048843 A KR20060048843 A KR 20060048843A KR 1020050068760 A KR1020050068760 A KR 1020050068760A KR 20050068760 A KR20050068760 A KR 20050068760A KR 20060048843 A KR20060048843 A KR 20060048843A
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South Korea
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steel pipe
reinforcement
reinforcing bar
concrete
reinforcing
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KR1020050068760A
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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 기초 공사용 강관(100)의 상단부 보강구조에 관한 것이다.The present invention relates to the upper end reinforcement structure of the steel pipe 100 for foundation work.

이 같은 본 발명은 원판(30)과 달대(10)로 구성된 부재를 강관(100)의 외주면 으로부터 강관(100)내부로 삽입된 전단키(20)에 결합시켜 보다 강관 내 상단에 일정공간을 확보하고 그곳에 보강철근(400)을 조립한 후 콘크리트가 유입되도록 하여 간편하게 기초공사용 강관(100)의 상단부 보강이 되도록 한 기술이다. 본 발명은 초경량시스템에 의한 간편한 시공과 공사비의 절감을 가능케 할 것이며 보다 안정적인 강관말뚝 머리보강을 함은 물론 강관(100)과 확대기초 콘크리트(500)와의 결합을 안정적으로 되도록 한 기초공사용 강관(100)의 상단부 보강구조를 제공한다.The present invention is coupled to the shear key 20 inserted into the steel pipe 100 from the outer circumferential surface of the steel pipe 100 to the member consisting of the disc 30 and the moon 10 to secure a certain space at the top of the steel pipe more After assembling the reinforcement reinforcement 400 there is a technology that allows the concrete to be introduced to easily reinforce the upper end of the steel pipe 100 for basic construction. The present invention will enable a simple construction and construction cost savings by the ultra-lightweight system, as well as a more stable steel pipe pile head reinforcement, as well as the steel pipe (100) and the basic foundation steel pipe (100) to make the combination of the expanded basic concrete (500) stable It provides a reinforcing structure at the top of

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.

*도면 주요부분에 대한 부호의 설명** Explanation of symbols for main parts of drawing *

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

7 : 고정클립 9 : 연결부 10 : 달대 20 : 전단키 22 :전단키 설치구멍7: Fixed clip 9: Connection part 10: Moon 20: Shear key 22: Shear key installation hole

30 :원판 33 : 보강철근 고정용 홀 50 :원형링 60 :지지로드30: disc 33: hole for fixing the reinforcing bar 50: round ring 60: support rod

77 :고정클립상세도 90 :연결부 상세도 100 :강관 200 : 전단재77: fixed clip detail 90: connection detail 100: steel pipe 200: shear material

400 :보강철근 450 :띠철근 500: 확대기초 콘크리트400: reinforcing bar 450: strip reinforcement 500: expanded base concrete

본 발명은 건축이나 토목의 기초공사에 있어서 지면으로부터 타입한 강관(100)말뚝의 상단부를 모든 외력에 대해 저항할 수 있도록 하기 위한 기초공사용 강관의 상단부 보강구조에 관한 것으로 특히 강관(100)의 상단부에 원판(30)과 달대(10)로 구성된 부재를 전단키(20)와 결합하여 설치하고 전단키(20) 윗면에는 콘크리트의 지압응력을 완화시킬 수 있는 전단재(200)를 설치하여 강관(100) 내 상단에 일정공간과 콘크리트지압응력을 완화하는 기능을 확보하고, 확대기초 바닥철근(3)조립 후 확대기초 바닥철근(3)의 윗면 강관(100)과 수직된 위치에 띠철근 1개를 먼저 결속고정하고 띠철근 안쪽에 수직으로 보강철근(400)을 설치하되 일부 보강철근(400)하단에는 고정클립(7)을 채워 보강철근고정용홀(33)에 고정하고 나머지 보강철근(400)은 원판(30)에 닿게 세우고 확대기초바닥철근(3)에 고정된 띠철근(450)과 보강철근(400)의 접촉부는 결속시키고 확대기초 콘크리트(500) 매입부에 적용할 띠철근(450)을 모두설치하면 보강철근(400)이 모두 고정된다. 그 후 확대기초콘크리트(500) 타설시 강관(100)내부로 유입되는 속채움 콘크리트(5)에 의하여 간편하게 강관말뚝의 머리보강을 함은 물론 강관(100)과 확대기초콘크리트(500)가 강결합(일체화) 되도록 한 기초공사용 강관의 상단부 보강구조에 관한 것이다.The present invention relates to the reinforcing structure of the upper end portion of the steel pipe 100 for the basic public works to be able to resist the upper end of the steel pipe 100 piles from the ground in the construction or civil engineering foundations against all external forces, in particular the upper end of the steel pipe 100 Install the member consisting of the disc 30 and the moon 10 in combination with the shear key 20 and the shear key 20 on the upper surface of the shear pipe 20 to install a shear material that can alleviate the pressure of the concrete steel pipe 100 To secure a certain space and concrete acupressure stress at the top of the upper part, after assembling the expansion base bottom reinforcement (3), one band reinforcement in the position perpendicular to the upper steel pipe (100) of the expansion base bottom reinforcement (3) first Fix the binding and install the reinforcing bars vertically inside the band reinforcing bars, but fixed the reinforcing bar fixing holes (33) by filling the fixing clip (7) at the bottom of some reinforcing bars (400) and the other reinforcing bars (400) Stand up to 30 When the contact portion of the band reinforcing bar 450 and the reinforcing bar 400 fixed to the atmospheric superstructure reinforcing bar (3) is bound and all the band reinforcing bars (450) to be applied to the expanded foundation concrete (500) are installed, the reinforcing bar (400) is installed. ) Are all fixed. Then, when placing the expanded basic concrete (500) when the steel pipe 100 is poured into the inside of the filling concrete (5) to easily reinforce the head of the steel pipe pile, as well as the steel pipe 100 and the expanded basic concrete (500) (Integrated) relates to the reinforcement structure of the upper end of the steel pipe for basic construction to be used.

종래에는 일반적으로 건물이나 교량등 구조물을 축조할 때에는 지면에 항타기 등으로 강관(100)을 타입한 후 강관의 상단을 보강하여 강관(100)과 확대기초콘크리트(500)를 결합하게 되는 바 강관(100)의 하단부는 안정된 지지층(4)에 도달케 함으로 건물이나 구조물의 하중과 외력작용 시 모든 응력은 강관(100)말뚝머리에 집중되기 때문에 강관(100)말뚝머리가 모든 외력에 안전하게 저항하도록 용접이나 볼트조립의 방법을 통하여 강관(100)상단부를 보강하는 것이 일반적 이었다. 그러나 종래의 방법들은 품질관리가 어렵고 시공성이 불편할뿐더러 가격이 고가인 문제가 있으며 보강철근(400)의 설치 위치가 고정됨으로 확대기초바닥철근(3)과 보강철근(400)의 간섭 시 규격시공이 어려운 문제가 있었다.Conventionally, when constructing a structure such as a building or a bridge, the steel pipe 100 is typed on the ground by driving, etc., and then, by reinforcing the upper end of the steel pipe, the steel pipe 100 and the expanded basic concrete 500 are combined with the steel pipe ( The lower end of 100) reaches a stable support layer (4), so that all stresses are concentrated on the steel pipe (100) pile head during load and external force action of the building or structure, so that the steel pipe (100) pile head can be safely resisted to all external forces. Or it was common to reinforce the upper end of the steel pipe (100) through the bolt assembly method. However, the conventional methods are difficult to control the quality, inconvenient in construction, and have a problem of high price. Since the installation location of the reinforcing bar 400 is fixed, the standard construction is difficult when the expansion of the base floor reinforcing bar 3 and the reinforcing bar 400 is performed. There was a difficult problem.

따라서, 본 발명의 목적은 종래와 같은 용접이나 볼트 조임을 하지 않고 안정적으로 강관(100)의 상단부를 보강하여 모든 외력에 저항케 함은 물론 보강철근(400)의 설치 위치를 고정시키지 않기 때문에 확대기초 바닥철근(3)의 간섭을 피해 보강철근(400)의 시공을 용의하게 하는 기초공사용 강관의 상단부 보강구조를 제공하려는데 있는 것이다.Therefore, the object of the present invention is to enlarge the upper end of the steel pipe 100 stably without welding or bolting as in the prior art to resist all external forces as well as to fix the installation position of the reinforcing bar 400 is expanded. It is to provide a reinforcing structure of the upper end portion of the steel pipe for the basic construction to facilitate the construction of the reinforcing steel reinforcement (400) to avoid the interference of the foundation floor reinforcing bar (3).

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. 도1은 종래방법의 분해사시도이고, 도2는 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 분해사시도 이고, 도3은 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 결합단면도 이며, 도4는 본 발명의 일실시예로 기초공사용 강관 상단부 보강구조의 사용상태도이다. 도3과 도4의 도시된바와 같이 강관 내 상단부에 보강철근(400)을 조립하고 확대기초콘크리트(500)가 유입되어 채워지도록 부재를 설치하되 본 발명의 부재는 원판(30)과 달대(10)로 구성되며 달대(10) 상단에는 고리가 형성돼있어서 전단키(20)에 걸어 결합되며 전단키(20)의 윗면에는 전단재(200)를 설치하고 고정클립(7)으로 전단키(20)와 전단재(200)가 움직이지 않도록 고정시킨다. 또 강관(100)에 타공된 전단키설치구멍(22)을 통해 외주면 으로부터 강관(100)내부로 설치되는 전단키(20)는 축력과 인발에 대한 저항을 하도록 했으며 축력저항시 전단재(200)는 콘크리트의 지압응력을 완화하는 작용을 한다. 원판(30)과 달대(10)로 구성된 부재를 전단키(20)에 결합시킴으로 콘크리트 타설시 강관(100) 내 상단에 콘크리트를 채울 수 있는 거푸집 기능을 하도록 했으며 원판(30)에 마련된 보강철근고정용홀(33)은 보강철근(400)조립 시 보강철근(400)의 하단부를 고정하는 기능을 한다. 또한 확대기초 바닥철근(3)조립 후 띠철근1개를 확대기초 바닥철근(3)윗면 강관과 수직된 위치에 고정결속하고 확대기초 바닥철근(3)의 간섭을 피해 띠철근 안쪽에 수직으로 다수의 보강철근(400)을 설치하되 일부는 하단에 고정클립(7)을 채워 보강철근 고정용 홀(33)에 고정하고 나머지는 원판(30)에 닿게 세우고 보강철근(400)의 확대기초콘크리트(500) 매입부에는 띠철근(450)을 일정간격으로 설치하여 보강철근(400)을 모두 고정한다. 말뚝머리에 외력이 작용할 때 보강철근(400)이 이탈하지 못하도록 하는 기능을 하는 띠철근은 강관이 속채움 콘크리트(5)를 구속하는 원리를 이용하여 강관내부에 위치하는 보강철근(400)에는 띠철근(450)을 설치하지 않도록 하여 시공성과 경제성을 높였다.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 1 is an exploded perspective view of the conventional method, Figure 2 is an exploded perspective view of the steel pipe upper end reinforcement structure of the basic construction as an embodiment of the present invention, Figure 3 is a cross-sectional view of the coupling structure of the steel pipe upper end reinforcement structure of the basic construction as an embodiment of the present invention 4 is a state diagram used in the reinforcement structure of the upper end of the basic construction steel pipe as an embodiment of the present invention. 3 and 4 assembling the reinforcement reinforcement 400 in the upper end of the steel pipe as shown in Figure 3 and expanded base concrete 500 to install the member to be filled, but the member of the present invention is the disc 30 and the moon (10) It is composed of) and the hook is formed on the top of the moon (10) is coupled to the shear key 20, and the shear key 20 is installed on the top surface of the shear key 20 and the shear key 20 and shear with a fixed clip (7) The ash 200 is fixed so as not to move. In addition, the shear key 20 installed inside the steel pipe 100 from the outer circumferential surface through the shear key installation hole 22 perforated in the steel pipe 100 has resistance to axial force and drawing, and the shear material 200 is concrete at the time of the axial force resistance. It acts to relieve pressure stress. By combining the member consisting of the disc 30 and the moon 10 to the shear key 20 to form a formwork to fill the concrete in the top of the steel pipe 100 when concrete is poured, and the reinforcing bar fixing hole provided in the disc 30 33 serves to fix the lower end of the reinforcing bar 400 when assembling the rebar 400. In addition, after assembling the base foundation reinforcing bar (3), one band reinforcing bar is fixed at the position perpendicular to the top base steel pipe (3). Install reinforcing reinforcement (400), but part of the fixing clip (7) at the bottom to secure the reinforcing reinforcing bar fixing hole (33) and the rest to stand in contact with the disc 30 and expand the basic concrete (reinforcement of the reinforcement 400) 500) In the buried portion to install a band reinforcing bar 450 at a predetermined interval to fix all the reinforcing bars (400). The band reinforcing bar, which prevents the reinforcing bar 400 from escaping when the external force is applied to the pile head, has a band in the reinforcing bar 400 located inside the steel pipe by using the principle that the steel pipe restrains the filling concrete (5). The construction and economic efficiency were improved by not installing the reinforcing bar 450.

이상에서 설명한바 와같이 본 발명은 강관(100)의 내 상단부에 원판(30)과 달대(10)로 구성된 부재를 용접이나 볼트 조임 없이 달대(10)상단의 고리를 강관의 외주면 으로부터 강관내부로 설치된 전단키(20)에 걸고 전단키(20)의 윗면에는 전단재(200)를 설치하고 고정클립(7)으로 전단키를 고정시켜 부재들이 움직이지 않도록 한다. 이 과정에서 종래와는 달리 용접이나 볼트 조임이 없음으로 시공이 빠르고, 확대기초 바닥철근(3)시공 후 확대기초 바닥철근(3)의 간섭을 피해 보강철근(400)을 설치함으로 규격 시공이 가능한 효과를 제공한다. 본 발명은 상술한 특정의 바람직한 실시예의 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 있게 된다.As described above, in the present invention, a member consisting of a disc 30 and a stand 10 at an upper end of the steel pipe 100 is welded or bolted to a ring at the top of the stand 10 from the outer circumferential surface of the steel pipe to the inside of the steel pipe. Hanging the shear key 20 is installed on the top surface of the shear key 20, the shear member 200 is installed and the shear key is fixed with a fixing clip (7) so that the members do not move. In this process, unlike in the prior art, the construction is fast because there is no welding or bolt tightening, and the standard construction is possible by installing the reinforcing bar 400 to avoid interference of the expanding base bottom reinforcing bar (3) after construction. Provide effect. 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 (5)

강관 내 상단부에 확대기초콘크리트(500)가 유입되도록 부재를 설치하되 상기부재는 원판(30)과 달대(10)로 구성되고 달대(10) 상단에는 고리가 형성되어 있으므로 강관(100)에 타공된 전단키 설치구멍(22)을 통하여 외주면 으로부터 강관내부로 설치된 전단키(20)에 달대(10)의 고리를 걸고 전단키(20) 위에 전단재(200)를 올려놓고 고정클립(7)으로 전단키(20)를 고정시켜 강관(100) 내 상단에 일정공간과 콘크리트지압응력을 완화하는 기능을 확보하고, 확대기초 바닥철근(3)시공 후 띠철근1개를 확대기초 바닥철근(3)위쪽의 강관(100)과 수직위치에 고정결속하고 띠철근(450) 안쪽에 다수의 수직보강철근(400)을 설치하되 일부 보강철근(400)의 하단에는 고정클립(7)을 채워 보강철근 고정용 홀(33)에 고정시키고 나머지 보강철근(400)은 고정클립(7)을 채우지 않은 채 원판(30)에 닿게 세우고 띠철근(450)에 결속시켜 보강철근(400)을 모두 고정한 후 확대기초콘크리트(500)타설시 강관 내 상단에 콘크리트를 유입시켜 강관 상단부를 보강하고 강관(100)과 확대기초콘크리트(500)가 강결(일체화)됨을 특징으로 하는 기초공사용 강관의 상단부 보강구조.The member is installed so that the expanded basic concrete 500 is introduced into the upper end of the steel pipe, but the member is composed of a disc 30 and a moon 10 and a ring is formed at the top of the moon 10 so that it is perforated in the steel pipe 100. Hook the hook 10 on the shear key 20 installed in the steel pipe from the outer circumferential surface through the shear key installation hole 22 and place the shear material 200 on the shear key 20 and shear key 20 with the fixing clip 7. Steel pipe 100 secures a function of relieving a certain space and concrete acupressure stress in the upper part of the steel pipe 100, and expands one strip of steel after expansion based floor reinforcement (3) Fixed binding in the vertical position and install a plurality of vertical reinforcement (400) inside the band reinforcement (450), but filling the fixing clip (7) at the bottom of some reinforcement (400) reinforcing bar fixing hole (33) Fixed to the remaining reinforcement (400) is a disc (without fixing the fixed clip (7) 30) and the straps to the band reinforcement (450) to secure all the reinforcement reinforcement (400) and then expand the foundation when the concrete (500) is poured into the upper end of the steel pipe to reinforce the upper end of the steel pipe and the steel pipe (100) and expansion base Reinforcement structure of the upper end of the steel pipe for the basic public works, characterized in that the concrete 500 is consolidated (integrated). 1항에 있어서 전단재(200)는 홀(구멍)이 없는 원형링 형태이며 전단키(20)윗면에 위치하도록 설치하여 수직 압축력 작용 시 콘크리트의 지압응력 집중을 완화시키는 것을 특징으로 하는 기초공사용 강관의 상단부보강구조.According to claim 1, the shear member 200 is a circular ring shape without holes (holes) and is installed so as to be located on the shear key 20, the upper surface of the steel pipe for the public works, characterized in that to reduce the pressure of the stress of the concrete during the vertical compression action Reinforcement structure at the top. 1항에 있어서 보강철근(400)의 강관(100) 내부에 위치하는 부분에는 띠철근(450)을 설치하지 않는 것을 특징으로 하는 기초공사용 강관의 상단부보강구조.The reinforcing structure of the upper end of the steel pipe for basic construction, characterized in that the band reinforcing bar 450 is not installed in the portion located in the steel pipe 100 of the reinforcing bar 400. 1항에 있어서 원판(30)에 보강철근고정용 홀(33)을 형성해 보강철근(400)의 하단을 삽입 고정하는 것을 특징으로 하는 기초공사용 강관의 상단부보강구조.The upper part reinforcing structure of the steel pipe for basic construction, characterized in that the reinforcing reinforcing bar fixing hole 33 is formed in the disc (30) to insert and fix the lower end of the reinforcing bar (400). 1항에 있어서 보강철근(400) 조립 시 띠철근(450)1개를 확대기초 바닥철근(3)의 윗면 강관(100)과 수직위치에 결속고정 하고 고정된 띠철근(450)안쪽에 보강철근(400)을 차례로 세워 띠철근(450)과 결속하여 조립함으로 확대기초바닥철근(3)의 간섭을 100％ 피하는 것을 특징으로 하는 기초공사용 강관의 상단부보강구조.When the reinforcing bar 400 is assembled, the one reinforcing bar (450) is fixed to the vertical position with the upper steel pipe (100) of the base foundation reinforcing bar (3), and the reinforcing bar inside the fixed band reinforcing bar (450) Reinforcing the upper end portion of the steel pipe for the basic public works, characterized in that by setting up (400) in order to bind with the band reinforcing bar (450) to avoid 100% interference of the expansion base bottom reinforcement (3).
KR1020050068760A 2004-09-06 2005-07-28 Reinforcement structure for a foundation pile KR20060048843A (en)

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CN113638435B (en) * 2021-08-20 2022-09-06 广东精特建设工程有限公司 Concrete pipe pile with transverse damage resistance and floating resistance functions and construction method

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