KR100592397B1 - storey spacing support ssoldier pile soil retaining wall - Google Patents

storey spacing support ssoldier pile soil retaining wall Download PDF

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KR100592397B1
KR100592397B1 KR1020030057084A KR20030057084A KR100592397B1 KR 100592397 B1 KR100592397 B1 KR 100592397B1 KR 1020030057084 A KR1020030057084 A KR 1020030057084A KR 20030057084 A KR20030057084 A KR 20030057084A KR 100592397 B1 KR100592397 B1 KR 100592397B1
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pile
wall
thumb
umbilical
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이창남
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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
    • E02D17/06Foundation trenches ditches or narrow shafts
    • E02D17/08Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • E02D17/083Shoring struts
    • 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
    • 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)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

본 발명은 층당지지 엄검지말뚝 흙막이공법(5S공법)이다. 5S공법은 흙 파기를 하는 과정에서 H형강을 허니컴 제작 요령으로 높이보다 50mm 작게 절단한 검지 말뚝(5)으로 종래의 엄지말뚝(1)을 단계적으로 보강한 엄검지말뚝(11)에 지하실 1개 층 마다 띠장(3)과 버팀대(4)를 설치한다. 이것으로 흙 파기 공사 중 토압에 견디는 흙막이가 완성되며, 이를 가설재로만 사용하는 것이 아니라 후에 지하실 외벽 보강용으로도 활용하는 공법이다. 또한 엄지말뚝(1) 내면과 필러(10) 사이는 검지말뚝(5)만 존재하므로 그 공간에 아무 저항 없이 외벽을 조성할 수 있다. 이 때 엄검지말뚝(11)은 외벽의 도움 없이도 토압과 수압에 견디도록 검지말뚝(5)의 단면을 선정하고, 외벽의 철근은 엄검지말뚝(11) 사이 간격(1.6m 정도)을 스팬으로 하는 수평방향 배근을 주근으로 삼아 설계 계산하는 경제적인 흙막이 공법이다.The present invention is a layered perforated pile soil clogging method (5S method). In the 5S method, one basement is placed on the dig-up pile (11), which is reinforced with a conventional thumb pile (1) with an index pile (5) cut H-shaped steel 50 mm smaller than the height as a honeycomb manufacturing method in the process of digging. A girdle (3) and braces (4) are installed on each floor. This completes the soil barrier that resists earth pressure during the excavation, and it is not only used as a temporary material but also used to reinforce the outer wall of the basement later. In addition, between the inner surface of the thumb pile (1) and the filler (10) there is only the detection pile (5) can create an outer wall without any resistance in the space. At this time, the umbilical pile (11) selects the cross section of the index finger pile (5) to withstand earth pressure and water pressure without the help of the outer wall, and the reinforcing bar of the outer wall is a span (about 1.6 m) between the umbilical pile (11) as a span. It is an economical earthquake construction method that calculates the design based on horizontal reinforcement.

Description

층당 지지 엄검지말뚝 흙막이공법{storey spacing support ssoldier pile soil retaining wall}Storey spacing support ssoldier pile soil retaining wall}

건축물의 지하실 등 지하구조물을 축조하기 위한 흙 파기 가설구조방식은 도 2, 도 2a와 같은 버팀대 또는 어스앵커 공법이 주로 사용되고 있고, 삼성건설의 SPS 공법과 조인엔지니어링의 3S공법이 발표되었다. 버팀대(4) 또는 어스앵커 공법은 건축물 완성 후 지하 외벽으로부터 전달되는 횡하중을 지지할 건축물 바닥판 간격과는 무관하게 엄지말뚝(1)에 상하 2~3m 간격으로 띠장(3)을 배열하고 이를 지지하는 버팀대(4)나 어스앵커를 시공하여 횡 하중을 지지하고 있다. 이는 통상 사용하는 엄지말뚝(1)의 규격이 400mm 직경의 보링공 내에 삽입할 수 있는 200~300mm 춤의 H형강을 사용하기 때문이며 횡하중을 지탱하는 엄지말뚝의 수직 간격은 건축물 층높이에 미달하는 2~3m가 된다. 그러므로 흙 파기 공사를 마치고 지하실 외벽을 건물 매 층 당 일체로 동시에 시공하기 위해서 중간의 띠장(3)과 버팀대(4) 또는 어스앵커를 제거하면 지하실 외벽 콘크리트가 양생되기 전까지는 흙막이가 위험한 상태로 노출되는 단점이 있다. 이러한 문제점의 대안으로 제시된 SPS 공법은 버팀대(4)가 건물의 바닥보를 겸하도록 설계하는 것이어서 설계비 부담이 크며 철골조로 흙막이 공사 이전에 본 설계가 완료되어야 한다. 또한 시공중 설계변경이 어렵고 층고가 놓으면 큰 단면의 엄지말뚝(1)을 사용하여야 한다.As the construction method for digging soil for underground structures such as basements of buildings, the prop or earth anchor method as shown in FIGS. 2 and 2A is mainly used, and the SPS method of Samsung E & C and the 3S method of join engineering have been announced. The brace (4) or earth anchor method arranges and supports the strip (3) at the top and bottom of the thumb pile (1) at intervals of 2 to 3 m, regardless of the space of the base plate, which will support the lateral load transmitted from the outer wall after the completion of the building. A brace 4 or an earth anchor is installed to support the lateral load. This is because the size of the thumb pile (1) that is normally used uses a H-beam of 200 ~ 300mm dance that can be inserted into a boring hole of 400mm diameter, and the vertical gap of the thumb pile supporting the lateral load is less than the height of the building floor. It becomes -3m. Therefore, if you remove the middle strip (3), braces (4) or earth anchors at the same time to construct the basement outer wall at the same time every floor after the excavation work, the mud is exposed to dangerous state until the basement outer concrete is cured. There is a disadvantage. The SPS method proposed as an alternative to this problem is designed to support the brace (4) to serve as the floor beam of the building, which is expensive to design and the design must be completed before the construction of the earthenware with steel frame. In addition, if the design change is difficult during construction and floors are laid, a large pile of thumb piles (1) should be used.

도 2b의 3S공법은 엄지말뚝(1)과 띠장(3) 사이에 수평으로 간격 유지대(separator)를 부착하고, 이 때 발생된 빈 공간에 건물 외벽 시공을 하는 것이어서 버팀대(4)를 제거하는 시기를 임의로 조정할 수 있는 장점이 있다. 그러나 바닥판 공사가 완료된 후 띠장(3)과 버팀대(4)를 제거하여 반출하려면 상부가 바닥슬래브로 막혀 있으므로 절단하거나 비용이 추가되는 단점이 있다.The 3S method of FIG. 2B is to attach a separator horizontally between the thumb pile 1 and the strip 3, and to construct the outer wall of the building in the empty space generated at this time, thereby removing the prop 4. There is an advantage that the timing can be adjusted arbitrarily. However, to remove the strips (3) and the brace (4) after the bottom plate construction is completed, the upper part is blocked by the bottom slab, there is a disadvantage that the cutting or additional cost.

종래의 버팀대(4)나 어스앵커 흙막이공법은 엄지말뚝(1)의 상하지지 간격이 2~3m 이므로 1개 층 높이의 외벽을 일체로 시공하기 위하여 해당 층 사이에 위치한 띠장(3)과 버팀대(4) 또는 어스앵커를 제거하여야 하는데 그 상태로는 토압에 의한 응력이 엄지말뚝(1)의 내력을 초과하는 경우가 대부분이므로 외벽 콘크리트를 양생하는 기간의 안전성이 보장되지 않는다. 따라서 재래식 공법대로 200~300mm춤의 H형강을 엄지말뚝(1)으로 사용하면서 버팀대(4)나 어스앵커를 건축물 층 높이마다 1개소씩만 설치하는 간편한 방법을 실현하기 위해서는 흙 파기를 진행하는 과정에서 검지말뚝(5)으로 엄지말뚝(1)을 단계적으로 보강하고 아울러서 흙 파기를 완료한 후 지하실 외벽 공사를 원활하게 시행하는 방법이 필요하다. 또한 상기 방법으로 보강한 엄검지말뚝(11)은 단지 가설재로만 사용하는 것이 아니라 지하실 외벽 보강용으로도 활용할 수 있도록 하는 것이 기술적 과제이다. In the conventional brace (4) or earth anchor earthwork method, the upper and lower limbs of the thumb pile (1) is 2 to 3m, so that the girder (3) and the brace (3) located between the floors in order to construct the outer wall of one floor height integrally ( 4) Or, the earth anchor should be removed. In that state, the stress due to earth pressure exceeds the strength of the thumb pile (1). Therefore, the safety of the period of curing the outer wall concrete is not guaranteed. Therefore, while using the H-beam of 200 ~ 300mm dance as the thumb pile (1) according to the conventional method, in order to realize the easy way to install the brace (4) or earth anchor only one place per building floor height, It is necessary to reinforce the thumb pile (1) step by step with the index pile (5) and smoothly carry out the construction of the basement outer wall after the digging. In addition, it is a technical problem that the umbilical finger pile 11 reinforced by the above method can be used not only as a temporary material but also as a basement outer wall reinforcement.

도 1과 도 1a에서 지하실 흙 파기를 하고자 하는 경계 부위에 1.6m 정도의 간격으로 엄지말뚝(1)을 박고 흙 파기를 하면서 토류판(2)을 끼우는 것은 도 2와 도2a의 종래 버팀대 흙막이공법과 같다. 엄지말뚝(1)이 캔틸레버로도 능히 공사 중 토압을 버텨줄 만큼의 깊이까지 흙 파기를 하는 즉시 도 4, 4a와 같이 지상 1층 바닥 콘크리트 시공에 지장이 없을 정도의 상부 레벨에서부터 흙 파기를 한 깊이까지 검지말뚝(5) 토막을 엄지말뚝(1)에 조립한다. 조립 방법은 엄지말뚝(1)에 용접한 거싯 플레이트(7)에 검지말뚝(5)의 돌출부를 볼트접합, 또는 직접 현장용접한다. 그 후 상부 일부만 검지말뚝(5)으로 보강된 엄검지지말뚝(11)과 하부 엄지말뚝(1)으로 이루어지는 변단면재가 상단지지, 하단고정으로 지지할 수 있을 깊이만큼 흙 파기를 계속하고 나서 보강되지 않은 엄지말뚝(1) 부위에 검지말뚝(5)을 조립하고 상하 검지말뚝(5) 사이를 이음 한다. 위와 같은 방법으로 지하 1층까지 흙 파기를 완료하면 지하 1층 바닥콘크리트 공사에 지장이 없을 만큼의 공간을 남겨두고 두 번째의 띠장(3)과 버팀대(4)를 조립한다. 그 아래는 같은 요령으로 실시하고, 띠장(3)과 버팀대(4) 제거는 최하층 바닥판 아래까지 흙 파기를 마친 후 최하층 바닥판부터 철근콘크리트 공사를 상향 시행하여 직하 바닥 콘크리트 공사가 완료되어 적정의 강도가 발현되는 시기로 한다. 상하 검지말뚝(5)간의 이음은 도 4와 같이 2개의 ㄱ형강 조각을 사용하여 볼트너트(9) 접합하며 검지말뚝(5)의 플랜지에는 필러(10)를 부착하여 띠장(3)과 임시 접합을 원활하게 하고 후에 철근콘크리트 외벽 피복두께 확보의 기준으로 삼는다.In Figure 1 and Figure 1a to insert the earth plate (2) while inserting the thumb pile (1) at a distance of about 1.6m to the boundary portion to be digging the basement soil, and digging the soil of the conventional prop earthquake method of Figs. same. As soon as the thumb pile (1) can excavate the soil to the depth enough to withstand the earth pressure during construction as well as the cantilever, the soil is excavated from the upper level such that the construction of the ground-floor concrete on the ground floor as shown in Figs. Assemble the index pile (5) to the depth of the thumb pile (1). In the assembly method, the protrusions of the detection piles 5 are bolted or directly field welded to the gusset plate 7 welded to the thumb pile 1. After that, the edge section consisting of the umbilical support pile 11 and the lower thumb pile 1 reinforced only with the upper and lower index piles 5 is continued to be excavated to a depth that can be supported by the upper support and the lower fixing. Thumb pile (1) is not assembled to the index pile (5) and the joint between the upper and lower index pile (5). When the earth is excavated to the first basement in the same way as above, the second belt (3) and the brace (4) are assembled, leaving enough space for the construction of the ground concrete on the first basement. Under the same method, the strips (3) and braces (4) are removed. After digging the soil to the bottom of the bottom floor plate, reinforced concrete construction is performed from the bottom floor plate to the bottom floor concrete work. It is assumed that the intensity is expressed. The joint between the upper and lower detection piles 5 is joined to the bolt nut 9 using two pieces of a-beams as shown in FIG. 4, and the filler 10 is attached to the flange of the detection pile 5 to temporarily join the belt strip 3. After that, use as a guideline to secure the thickness of the reinforced concrete outer wall.

흙 파기 공사가 완료되면 엄지말뚝(1) 내면과 필러(10) 사이는 검지말뚝(5) 밖에 아무런 지장물이 없으므로 그 공간에 외벽을 쉽게 조성할 수 있다. 엄검지말뚝(11)은 외벽의 도움 없이도 토압과 수압에 견디도록 검지말뚝(5)의 단면을 선정하지만 실제로는 외벽콘크리트와 합성효과를 발휘하여 내력이 증가하며 외벽의 철근은 엄검지말뚝(11) 사이 간격을 스팬으로 하는 수평방향 배근을 주근으로 삼아 계산한다. 검지말뚝(5)의 단면 최대크기는 도 3에서 허니컴 제작 요령으로 H형강 높이보다 50mm 작게 사다리꼴로 절단한다.또한 지하외벽이 두꺼워 지는 경우 엄검지말뚝(11)과 띠장(3) 사이에 간격유지대(12)를 설치하여 지하외벽의 철근배근과 콘크리트 타설이 용이하도록 한다.When the earth excavation is completed, there is no obstacle between the index pile 5 and the inside of the thumb pile 1 and the filler 10, so that the outer wall can be easily formed in the space. Umji pile (11) selects the cross-section of the index pile (5) to withstand earth pressure and water pressure without the help of the outer wall, but in practice, the internal strength is increased by exerting the composite effect with the outer wall concrete, and the reinforcing bar of the outer wall (11) Calculate the horizontal reinforcement with span as the main root. The maximum size of the cross section of the index piling 5 is cut into a trapezoidal shape 50 mm smaller than the height of the H-beam in the honeycomb manufacturing method in FIG. 3. Also, when the basement outer wall becomes thick, the gap between the rivet peg 11 and the strip 3 is maintained. The base 12 is installed to facilitate reinforcement and concrete placement of the basement outer wall.

본 발명의 층당지지 엄검지말뚝(11) 흙막이공법은 엄지말뚝(1)의 상하 지지간격을 종래의 2∼3m 대신 엄검지말뚝(11)을 사용하여 그 간격을 건축물의 매 층 당 1개소씩으로 제한하기 때문에 지하실 외벽 공사가 원활해지며 위 엄검지말뚝(11)이 지하실 외벽 보강용으로도 활용되어 결과적으로는 흙막이 및 외벽 공사비가 절감되는 효과를 얻게 된다. In the present invention, the per-bearing support pile (11) earth clogging method uses the umbilical pile (11) instead of the conventional 2 to 3 meters for the vertical support interval of the thumb pile (1) for each location of each floor of the building. Because of the limitations, the basement outer wall construction is smooth and the upper geomji pile 11 is also used for reinforcement of the basement outer wall, resulting in the effect of reducing the construction cost of the mud and outer wall.

도 1은 5S공법의 평면도,1 is a plan view of the 5S method,

도 1a는 5S공법 시행 순서 단면도,Figure 1a is a 5S method implementation procedure cross-sectional view,

도 2는 재래식 흙막이 공법 평면도,Figure 2 is a conventional earthquake method plan view,

도 2a는 재래식 흙막이 공법 시행 순서 단면도,2a is a sectional view of a conventional earthquake method enforcement procedure,

도 2b는 5S공법 시행 순서 단면도Figure 2b is a cross-sectional view of the 5S method enforcement procedure

도 3, 3a는 H형강을 잘라 검지말뚝(5)을 만드는 과정도,3, 3a is a process of making the index finger pile (5) by cutting the H-beam,

도 4, 4a는 엄검지말뚝(11)을 조립하는 과정도이다.4 and 4a is a process diagram of assembling the umbilical pile (11).

<도면이 부호에 대한 간단한 설명><Brief Description of the Drawings>

1 : 엄지말뚝(soldier pile) 2 : 토류판1: pile pile 2: earth plate

3 : 띠장(wale) 4 : 버팀대(strut)3: wale 4: strut

5 : 검지말뚝 6 : 스크류잭5: index finger pile 6: screw jack

7 : 거싯 플레이트(gusset plate) 8 : ㄱ형강7: gusset plate 8: a section steel

9 : 볼트너트 10 : 필러9: Bolt Nut 10: Filler

11 : 엄검지말뚝(ssoldier pile) 12 : 간격유지대11: ssoldier pile 12: spacing

13 : 지하실 외부13: outside the basement

Claims (3)

흙막이 공사를 진행함에 있어서, 천공 후 H형강 파일을 땅에 삽입한 엄지말뚝(1) ;In proceeding with the construction of the earthquake, the thumb pile (1) inserted into the ground after the H-beam pile; 상기 엄지말뚝은 굴토 하는 과정에서 상부로부터 적절한 높이 마다 검지말뚝(5)으로 보강하여 조성하고, 엄지말뚝 사이에는 토류판을 엄지말뚝(2) 내부에 설치하며 ;The thumb pile is reinforced by the index finger pile (5) at the appropriate height from the top during the process of excavation, and the earth plate between the thumb pile is installed in the thumb pile (2); 상기 검지말뚝은 허니컴 모양으로 제작하여 거싯 플레이트(7)로 엄지말뚝에 접합하고 ; 및The index pile is manufactured in a honeycomb shape and bonded to the thumb pile with a gusset plate (7); And 검지말뚝과 검지말뚝의 이음은 ㄱ형강을 이용하여 볼트접합 하며 ;The joints of the index pilings and the piling pilings are bolted using a-beam; 상기 검지말뚝(5)과 엄지말뚝(1)은 거싯 플레이트(7)와 ㄱ형강(8)으로 일체화하여 엄검지말뚝(11)으로 구성하고 ;The detection pile (5) and the thumb pile (1) comprises a gusset plate (7) and the a-beam (8) integrally composed of the umbilical finger pile (11); 상기 엄검지말뚝에 철근을 배근 하고 콘크리트를 타설하여 지하실 외벽을 형성하며 ; 및Reinforce the reinforcement to the umbilical pile and cast concrete to form the basement outer wall; And 엄검지말뚝에 띠장(3)과 버팀대(4)를 이용하여 흙막이공사를 진행하는 것을 특징으로 하는 충당지지 엄검지말뚝 흙막이공법.Appropriate support umbeom pile piling method, characterized in that the earthwork construction is carried out using the belt (3) and brace (4) on the umbeom pile. 제1항에 있어서, 엄검지말뚝(11)은 지하외벽의 철근배근과 콘크리트 타설을 원활히 하기 위해 엄검지말뚝과 띠장(3) 사이에 간격유지대(12)를 설치하는 것을 특징으로 하는 충당지지 엄검지말뚝 흙막이공법.The method of claim 1, wherein the umbilical pile (11) is covered to support the gap between the umbilical pile and the strip (3) to facilitate the reinforcement and concrete placement of the basement outer wall Umji pile piling method. 삭제delete
KR1020030057084A 2003-08-19 2003-08-19 storey spacing support ssoldier pile soil retaining wall Expired - Fee Related KR100592397B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100779991B1 (en) 2006-05-11 2007-11-27 주식회사 쏘일텍 Freestanding Thumb Pile Method with Initial Tension
CN113187088A (en) * 2021-04-25 2021-07-30 中国五冶集团有限公司 Basement outer wall without bricklaying wall protection layer and construction method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103205972B (en) * 2013-03-19 2015-08-26 辽宁工程技术大学 A kind of method analyzing foundation pit deformation and hole outer ground settlement relationship
CN108277996A (en) * 2018-02-07 2018-07-13 上海市政工程设计研究总院(集团)有限公司 The construction method of multi-storey basement is extended under a kind of protection groups of building
CN112575799A (en) * 2021-01-25 2021-03-30 北京中岩大地科技股份有限公司 Tool type support for replacing support in foundation pit fertilizer groove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100779991B1 (en) 2006-05-11 2007-11-27 주식회사 쏘일텍 Freestanding Thumb Pile Method with Initial Tension
CN113187088A (en) * 2021-04-25 2021-07-30 中国五冶集团有限公司 Basement outer wall without bricklaying wall protection layer and construction method

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