KR100743474B1 - Earth of building land-side protection wall structure - Google Patents

Earth of building land-side protection wall structure Download PDF

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Publication number
KR100743474B1
KR100743474B1 KR1020070048999A KR20070048999A KR100743474B1 KR 100743474 B1 KR100743474 B1 KR 100743474B1 KR 1020070048999 A KR1020070048999 A KR 1020070048999A KR 20070048999 A KR20070048999 A KR 20070048999A KR 100743474 B1 KR100743474 B1 KR 100743474B1
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South Korea
Prior art keywords
retaining
wall
connection protrusion
connecting projection
concrete
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KR1020070048999A
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Korean (ko)
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한일호
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(주)한터인종합건축사사무소
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0007Production methods using a mold
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0023Cast, i.e. in situ or in a mold or other formwork
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Retaining Walls (AREA)

Abstract

A retaining structure for a foundation work is provided to use as an underground wall on the whole by forming a retaining wall with prefabricated retaining frames and constructing an underground concrete wall on the inside of the retaining wall. The retaining structure for a foundation work comprises posts(10) installed to a site for pit excavation at regular intervals and provided with a conic insertion plumb(12) to be driven in the ground easily, many retaining frames(20) installed on the posts exposed at pit excavation and provided with an upper connecting projection(22) formed on the front upper side of one side of a rectangular block type body(21) to be projected in the lateral direction, a lower connecting projection(23) formed on the front lower side of the other side of the body to be projected in the opposite lateral direction, post holes(25) formed on the upper connecting projection and the lower connecting projection to insert round bars(11) of the posts and a rectangular hole(24) formed on the rear of the body to insert a wire net, and a wire net(30) formed by weaving many reinforcing bars or wires and inserted to the rectangular hole of the retaining frame, and then placed with concrete.

Description

건축물 기초공사용 흙막이 구조{Earth of building land-side protection wall structure}Earth of building land-side protection wall structure

도 1은 종래 토목공사를 실시하여 터파기된 상태를 나타내는 도면,1 is a view showing a state that is carried out by performing a conventional civil engineering work,

도 2는 종래 토목공사를 실시한 후 H 형강을 시공한 상태를 나타내는 도면,2 is a view showing a state in which the H-shaped steel construction after performing a conventional civil engineering work,

도 3은 종래 H 형강과 흙막이틀이 결합된 단면 상태를 나타내는 도면,3 is a view showing a cross-sectional state of the conventional H-beam and the earthenware combined;

도 4는 본 발명 기초공사용 흙막이로 사용되는 지주, 흙막이틀 및 철망의 분해 사시도,Figure 4 is an exploded perspective view of the struts, retainers and wire mesh used as the earthwork mudguard of the present invention,

도 5는 본 발명 기초공사용 흙막이로 사용되는 지주, 흙막이틀 및 철망의 사용 상태도, Figure 5 is a state of use of the struts, retainers and wire meshes used as the present invention for construction work earthen,

도 6은 본 발명 기초공사용 흙막이의 설치완료 후 평면도.Figure 6 is a plan view after the completion of the installation of the present invention public works mudguard.

< 도면의 주요부분에 대한 부호의 간단한 설명 > <Brief description of symbols for the main parts of the drawings>

1 : 흙구덩이 2 : 지주1: soil pit 2: landlord

3 : 흙막이틀 10 : 지주3: earth retainer 10: prop

11 : 원형봉 12 : 삽입추11 round rod 12 insertion weight

20 : 흙막이틀 21 : 몸체20: retainer 21: body

22 : 상부연결돌출부 23 : 하부연결돌출부22: upper connection protrusion 23: lower connection protrusion

24 : 사각홀 25, 26 : 지주홀24: square hole 25, 26: holding hole

30 : 철망30: wire mesh

본 발명은 건축물 기초공사용 흙막이 구조에 관한 것으로서, 더욱 상세하게는 토목공사 시행전 지주가 매설되고 지주에 흙막이틀이 설치되며, 흙막이틀의 몸체에 형성된 사각홀 내측에 철망이 삽입된 후 콘크리트가 타설되어 흙막이벽을 형성하고, 흙막이벽과 일체로 콘크리트 타설하여 지하벽체로 만들어 전체가 지하층 콘크리트 벽체로 사용될 수 있도록 구성된 건축물 기초공사용 흙막이 구조에 관한 것이다.The present invention relates to the structure of the earthwork for building foundation works, more specifically, the landlords are embedded before the implementation of civil engineering works, and the earthwork frames are installed on the landlords, and concrete is poured after the wire mesh is inserted into the square holes formed in the body of the earthenware. The present invention relates to an earthwork construction structure for building foundations, which is configured to form an earthquake wall, and to cast a concrete body integrally with the earthquake wall to form an underground wall so that the whole can be used as an underground concrete wall.

일반적으로 각종 터파기 공사에서 지반 내의 굴착벽면 및 사면의 토사 붕괴를 방지하기 위한 가설용 흙막이벽이 시공된다.In general, a variety of excavation walls and grounding wall for the construction of soil to prevent the collapse of the slope of the slope is constructed in various excavation work.

도 1은 터파기된 상태의 흙구덩이를 도시한 도면이고, 도 2는 터파기된 흙구덩이의 벽면에 H형강으로 된 지주를 박아넣은 상태를 도시한 도면이다. 도 3은 지주인 H 형강과 종래의 흙막이틀이 결합된 단면 상태를 나타내는 도면이다.1 is a view showing the soil pit in the exploded state, Figure 2 is a view showing a state in which the struts made of H-beams embedded in the wall surface of the excavated soil pit. 3 is a view showing a cross-sectional state in which the H-shaped steel, which is a support, and a conventional earthenware are combined.

도면에서 볼 수 있듯이, 터파기에 의하여 형성된 흙구덩이(1)의 벽면에 일정 간격으로 지주(2)를 박아넣고, 지주(2)인 H형강의 홈 사이에 나무 침목등으로 이루어진 흙막이틀(3)이 삽입되어 고정된다.As can be seen in the drawing, the pillars (2) are embedded in the wall surface of the soil pit (1) formed by the trench at regular intervals, and made of wooden sleepers (3) between the grooves of the H-beam, which is the pillars (2). It is inserted and fixed.

이러한 흙막이틀(3)은 터파기에 의하여 형성된 흙구덩이(1)의 벽면이 무너지는 것을 방지하는 것으로서, 흙막이틀(3) 배면에 있는 흙이 무너져 내측으로 들어 오는 것을 방지하게 한다.Such a retainer (3) is to prevent the wall surface of the earthen pit (1) formed by the trench to collapse, to prevent the soil on the back of the retainer (3) to fall inside.

이후에 지하 벽체를 콘크리트 등으로 형성하고, 지주(2)와 흙막이틀(3)을 빼내고 그 공간을 되메우기를 한다. Subsequently, the underground wall is formed of concrete or the like, and the support post 2 and the retainer frame 3 are removed and the space is filled back.

이러한 공정에서 흙막이틀과 지주로 이루어진 흙막이 벽은 하나의 조립체로 안정되게 설치되어야 할 뿐만 아니라 휨 강성이 커 안전하여야 하며 시공 작업상 운반 및 조립 설치가 용이한 구조로 이루어지는 것이 바람직하다.In this process, the retaining wall consisting of the retaining frame and the support should not only be stably installed in one assembly, but also have a large bending rigidity and be safe.

하지만 종래에 사용되는 지주는 암반등에 의하여 지중에 박기 힘이 들었을 뿐만 아니라 박거나 뺄때 과다한 소음이 발생하여 불편하였다.However, the props used in the prior art were not only hard to put in the ground due to rock, but also inconvenient due to excessive noise when they were put or removed.

그리고 H형강을 대체적으로 사용하기 때문에 방향이 틀어지면 홈이 맞지않아 흙막이틀을 끼우기가 힘든 문제점이 있었다.And because the use of H-beams in general, if the direction is wrong, there was a problem that it is difficult to fit the retaining frame.

이와 같이 흙막이벽을 형성한 후에 다시 지하 벽체를 형성하고, 그 다음에 지주와 흙막이를 빼낸 다음에 되메우기를 해야 하므로 공정이 복잡해지는 문제가 있다.As such, after forming the retaining wall, the underground wall is again formed, and then, the pillars and the retaining wall need to be removed and then backfilled, thereby causing a complicated process.

본 발명은 전술한 바와 같은 문제를 해결하기 위하여 안출한 것으로서, 조립식으로 만든 흙막이틀로 흙막이벽을 형성함과 동시에 흙막이벽 내측에 콘크리트 지하벽체를 시공하여 전체가 지하벽체로 사용할 수 있게 구성한 건축물 기초공사용 흙막이 구조를 제공하고자 하는 목적이 있다.The present invention has been made in order to solve the problems as described above, the building foundation construction of the construction of the construction of the earthquake wall with the prefabricated earthenware at the same time constructing the concrete basement wall inside the earthenware wall can be used as the entire underground wall The purpose is to provide a use clamshell structure.

흙막이벽을 형성한 후 다시 지주와 흙막이틀을 제거하고, 되메우기를 하는 공정을 없애 공정을 단축시키고자 하는 목적이 있다.After forming the retaining wall, there is an object to shorten the process by removing the back holding and retaining frame again, eliminating the backfilling process.

그리고 원형의 지주를 사용하여 지주를 박을 때 방향성을 고려할 필요가 없어 편리하게 하고자 하는 목적이 있다.And it is not necessary to consider the directionality when driving the props using a circular prop, there is a purpose to be convenient.

본 발명은 전술한 바와 같은 목적을 달성하기 위하여 원형봉의 하단에 삽입추가 형성되고, 터파기할 곳에 일정간격으로 매설되는 지주; 사각 블럭 형태의 몸체 일측 측면부의 전방 상부에 상부연결돌출부가 돌출되어 형성되고, 몸체 타측 측면부의 전방 하부에 하부연결돌출부가 형성되며, 상부연결돌출부와 하부연결돌출부에는 상하로 관통되는 지주홀이 각각 형성되어 지주의 원형봉에 끼워지고, 몸체의 후방에 상하로 관통되는 사각홀이 형성되며, 다수개가 지주에 끼워져 적층되어 흙막이벽을 형성하는 흙막이틀; 다수개의 철근이 얽혀 형성되고, 흙막이틀의 사각홀에 삽입된 후, 콘크리트가 타설되어 양생되는 철망;으로 구성되는 것을 특징으로 하는 건축물 기초공사용 흙막이 구조를 제공한다.The present invention is inserted into the lower end of the circular rod is formed in order to achieve the object as described above, struts are buried at a predetermined interval to break; The upper connection protrusion is formed to protrude from the front upper portion of one side of the body having a rectangular block shape, the lower connection protrusion is formed at the front lower portion of the other side of the body, and the holding hole penetrating up and down in the upper connection protrusion and the lower connection protrusion, respectively. Is formed is fitted into the round rod of the support, the rear of the body is formed with a square hole penetrating up and down, a plurality of pins are inserted into the support stacked to form an earthen wall; A plurality of reinforcing bars are formed to be entangled, inserted into the square hole of the retaining frame, and the concrete mesh is poured into a cured wire mesh; provides a building foundation construction mudstone structure, characterized in that consisting of.

이하 첨부된 도면을 참조하여 본 발명의 구성을 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

도 4는 본 발명 기초공사용 흙막이로 사용되는 지주, 흙막이틀 및 철망의 분해 사시도이고, 도 5는 본 발명 기초공사용 흙막이로 사용되는 지주, 흙막이틀 및 철망의 사용 상태도이며, 도 6은 본 발명 기초공사용 흙막이의 설치완료 후 평면도이다.Figure 4 is an exploded perspective view of the struts, retainers and wire mesh used as the earthwork mudguard of the present invention, Figure 5 is a state diagram of the use of the struts, earthholds and wire mesh used as the earthwork mudguard of the present invention, Figure 6 is the present invention This is a plan view after completion of the installation of the used fence

참고로 본 발명을 설명함에 있어 관련된 공지 기능 또는 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단될 경우에는 그 상세 한 설명을 생략하였다.For reference, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운영자의 의도 또는 관례 등에 따라 달라질 수 있다.In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

그러므로, 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것임은 물론이다.Therefore, the definition should be made based on the contents throughout the specification.

본 발명은 터파기후 지주를 박는 것이 아니라, 지주(10)를 박은 후에 터파기 작업을 하면서 흙막이틀 작업을 하는 것으로서, 터파기 작업을 하면서 지주(10)에 흙막이틀(20)을 끼워넣어 조립하여 적층시키고, 흙막이틀(20)에 형성된 사각홀(24)에 철망(30)을 삽입하여 콘크리트 타설하여 흙막이 벽을 형성하며, 흙막이벽의 내측에 일체로 콘크리트 벽을 형성하여 지하 벽체를 구성하는 것을 특징으로 한다.The present invention is not to put the prop after the shovel, but to put the shovel work while putting the shovel 10, the earthwork work, while inserting the shovel (20) into the shovel 10 while assembling work Laminating and inserting the wire mesh 30 into the square hole 24 formed in the retaining frame 20 to place concrete to form a retaining wall, to form a concrete wall integrally inside the retaining wall to form an underground wall It features.

지주(10)는 터파기 할 곳에 일정간격으로 매설되는데, 여기서 일정간격은 후술할 흙막이틀(20)의 지지홀(25)(26)의 사이 간격으로 형성된다.The strut 10 is buried at a predetermined interval in the trench, where the predetermined interval is formed at intervals between the support holes 25 and 26 of the earthenware 20 to be described later.

지주(10)는 단면이 원형인 봉 형상의 원형봉(11) 하단에 삽입추(12)가 일체로 형성되어 이루어지는데, 삽입추(12)는 아래가 뾰족한 원추형으로 형성하여 지중에 박히기 용이하게 형성한다.The strut 10 is formed by the insertion weight 12 is integrally formed at the bottom of the rod-shaped circular rod 11 having a circular cross section, and the insertion weight 12 is formed in a conical shape having a pointed bottom, so that it is easy to get stuck in the ground. Form.

지주(10)가 매설되면, 지주가 드러나도록 터파기를 실시하는데, 터파기 하면서 드러난 지주에 다수개의 흙막이틀(20)이 적층된다.When the strut 10 is embedded, the trench is carried out so that the strut is exposed, and a plurality of earth retainers 20 are stacked on the strut exposed while the strut is exposed.

흙막이틀(20)은 사각 블럭 형태의 몸체(21) 일측 측면부의 전방 상부에 상부연결돌출부(22)가 측방향으로 돌출되어 형성되고, 몸체(21) 타측 측면부의 전방 하부에 하부연결돌출부(23)가 반대편 측방향으로 돌출되어 형성된다.The retaining frame 20 is formed by projecting the upper connection protrusion 22 laterally on the front upper portion of one side of the body 21 of the rectangular block shape, and the lower connection protrusion 23 on the front lower portion of the other side of the body 21. ) Is formed to protrude in opposite directions.

상부연결돌출부(22)와 하부연결돌출부(23)에는 상하로 관통되는 지주홀(25)(26)이 각각 형성되어 지주(10)의 원형봉(11)에 끼워져 고정된다.The upper connection protrusion 22 and the lower connection protrusion 23 are formed with support holes 25 and 26 penetrating up and down, respectively, and are fitted into and fixed to the circular rods 11 of the support 10.

흙막이틀(20)의 상부연결돌출부(22)는 몸체(21)의 높이 절반에 해당하는 높이로 형성되어 인접한 흙막이틀(20)의 하부연결돌출부(23)와 겹쳐지게 되고, 겹쳐진 상태에서 지주홀(25)(26)도 서로 통하게 된다. 이와 같이 서로 겹쳐진 상태에서 지주(10)의 원형봉(11)이 삽입되면 고정된다.The upper connection protrusion 22 of the retainer 20 is formed at a height corresponding to half of the height of the body 21 and overlaps with the lower connection protrusion 23 of the adjacent retainer 20, and in a state of overlapping holding holes (25) (26) also communicate with each other. As such, when the circular rods 11 of the support 10 are inserted in the overlapped state, they are fixed.

흙막이틀(20)의 몸체(21) 후방에 상하로 관통되는 사각홀(24)이 형성되고, 다수개의 흙막이틀(20)의 사각홀(24)이 겹쳐져 하나의 큰 사각기둥 형태의 홀이 형성되고 이러한 사각홀(24)들에 철망(30)이 삽입되어 콘크리트가 타설된다. A square hole 24 penetrating up and down is formed at the rear of the body 21 of the earthen board 20, and the rectangular hole 24 of the plurality of earthen blocks 20 is overlapped to form one large rectangular pillar-shaped hole. And the wire mesh 30 is inserted into these square holes 24 is poured concrete.

철망(30)은 다수개의 철근이나 철선이 얽혀 형성되고, 흙막이틀(20)의 사각홀(24)에 삽입된 후, 콘크리트가 타설되어 양생된다.The wire mesh 30 is formed by entangled with a plurality of reinforcing bars or iron wires, is inserted into the square hole 24 of the retaining frame 20, and concrete is poured and cured.

따라서 흙막이틀(20)은 사각홀(24)내에 철망(30)이 내재된 콘크리트가 형성되어 지지되고, 지주(10)에 의해 흙막이틀(20)이 지지되므로 자체로 견고한 벽체를 이룬다.Therefore, the retainer 20 is formed by supporting the concrete in which the wire mesh 30 is embedded in the square hole 24, and the retainer 20 is supported by the support 10 forms a solid wall itself.

흙막이틀(20)의 후방의 틈에는 토사로 되메우기를 실시하여 빈 공간이 없게 한다.The gap behind the retainer 20 is filled with earth and sand so that there is no empty space.

그리고 흙막이틀(20)로 이루어진 흙막이벽의 내측으로 흙막이벽과 일체로 콘크리트 지하벽체를 형성하게 되므로 흙막이벽을 철거해야 하는 불편함과 문제를 없앴다.And since the concrete base wall is integrally formed with the retaining wall to the inside of the retaining wall made of the retaining frame 20, eliminating the inconvenience and problem of having to remove the retaining wall.

이상과 같이 본 발명은 조립식으로 만든 흙막이틀로 흙막이벽을 형성함과 동시에 흙막이벽 내측에 콘크리트 지하벽체를 시공하여 전체가 지하벽체로 사용할 수 있는 효과가 있다.As described above, the present invention has the effect that the entire wall can be used as a basement wall by constructing a concrete basement wall at the same time as forming a wall of the earthenware made of prefabricated walls.

따라서 흙막이벽을 형성한 후 다시 지주와 흙막이틀을 제거하고, 되메우기를 하는 공정을 없애 공정이 획기적으로 단축되는 효과가 있다.Therefore, after forming the retaining wall, there is an effect that the process is drastically shortened by eliminating the back holding and the retaining frame and eliminating the backfilling process.

그리고 원형의 지주를 사용하여 지주를 박을 때 방향성을 고려할 필요가 없는 효과가 있으며, 흙막이벽이 지하벽체의 일부로 이용되므로 더욱 견고하게 건물이 지지되는 효과가 있다.In addition, when the prop is driven using a circular prop, it is not necessary to consider the direction, and since the retaining wall is used as a part of the underground wall, the building is more firmly supported.

Claims (1)

원형봉(11)의 하단에 삽입추(12)가 형성되고, 터파기할 곳에 일정간격으로 매설되는 지주(10);Insertion pillars 12 are formed at the lower end of the circular rod 11, the strut 10 is buried at a predetermined interval to the trench; 사각 블럭 형태의 몸체(21) 일측 측면부의 전방 상부에 상부연결돌출부(22)가 돌출 되어 형성되고, 몸체(21) 타측 측면부의 전방 하부에 하부연결돌출부(23)가 형성되며, 상부연결돌출부(22)와 하부연결돌출부(23)에는 상하로 관통되는 지주홀(25)(26)이 각각 형성되어 지주(10)의 원형봉(11)에 끼워지고, 몸체(21)의 후방에 상하로 관통되는 사각홀(24)이 형성되며, 다수개가 지주(10)에 끼워져 적층되어 흙막이벽을 형성하는 흙막이틀(20);The upper connection protrusion 22 is formed to protrude from the front upper portion of one side portion of the body 21 of the rectangular block shape, the lower connection protrusion 23 is formed at the front lower portion of the other side of the body 21, the upper connection protrusion ( 22 and the lower connection protrusion 23 are formed with strut holes 25 and 26 penetrating up and down, respectively, and are fitted into the circular rods 11 of the strut 10, and penetrate vertically through the rear of the body 21. A square hole 24 is formed, and a plurality of pins 20 are inserted into the support 10 to be stacked to form a retaining wall; 다수개의 철근이 얽혀 형성되고, 흙막이틀(20)의 사각홀(24)에 삽입된 후, 콘크리트가 타설되어 양생되는 철망(30);으로 구성되는 것을 특징으로 하는 건축물 기초공사용 흙막이 구조.A plurality of reinforcing bars are formed entangled, and inserted into the square hole 24 of the retaining frame 20, the concrete mesh is poured into a cured wire mesh 30; building foundation construction earthwork structure, characterized in that consisting of.
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CN105862880A (en) * 2016-06-06 2016-08-17 浙江工业大学 Recoverable foundation pit support structure with pull-out holes
CN105862882A (en) * 2016-06-06 2016-08-17 浙江工业大学 Recyclable foundation pit support structure
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KR20220053748A (en) * 2020-10-22 2022-05-02 한국철도기술연구원 Bridge foundation construction method using formwork integrated PC panels

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CN105839646A (en) * 2016-06-06 2016-08-10 浙江工业大学 Recoverable foundation pit support structure with web pipes
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KR102482690B1 (en) * 2020-10-22 2023-01-03 한국철도기술연구원 Bridge foundation construction method using formwork integrated PC panels
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CN113373939B (en) * 2021-07-13 2022-12-20 中国安能集团第一工程局有限公司 High-voltage distribution line iron tower foundation pit construction method

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