KR100698912B1 - Applying method of the PHC pile as the footing with the column of building - Google Patents

Applying method of the PHC pile as the footing with the column of building Download PDF

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Publication number
KR100698912B1
KR100698912B1 KR1020060077964A KR20060077964A KR100698912B1 KR 100698912 B1 KR100698912 B1 KR 100698912B1 KR 1020060077964 A KR1020060077964 A KR 1020060077964A KR 20060077964 A KR20060077964 A KR 20060077964A KR 100698912 B1 KR100698912 B1 KR 100698912B1
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South Korea
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foundation
pile
phc pile
phc
building
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KR1020060077964A
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Korean (ko)
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이창남
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이창남
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/28—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of other material
    • 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
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
    • E02D5/105—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete of prestressed concrete
    • 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
    • E02D5/58—Prestressed concrete piles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Foundations (AREA)

Abstract

A construction method of utilizing a PHC pile as a column and a foundation of a building is provided to prevent damage, to cut down construction costs, and to reduce the construction period by simultaneously constructing the pile, the foundation and the column of the building. A beam(17) is installed by setting up a PHC pile(10) with a base plate after laying the foundation without driving in a pile. A pile foundation(11) is installed in a soft ground(21) by boring the ground according to a center of a post(22), charging cement mortar(19) in a hole and inserting the PHC pile. A lower part of the PHC pile is used as the foundation, and an upper part of the PHC pile is used as a column. The beam on the top floor is constructed on the PHC pile, and a floor beam is connected by welding beam bonding ironwork into a steel pipe section(13) surrounding a middle panel zone in manufacturing the pile. A steel shoe(14) is mounted to the PHC pile, and a reinforcing band is attached to an upper part of the shoe. The panel zone of the PHC pile is reinforced by the steel pipe section.

Description

PHC 말뚝을 건물의 기초 겸 기둥으로 활용하는 공법{Applying method of the PHC pile as the footing with the column of building} Applying method of the PHC pile as the footing with the column of building}

건물의 골조공사 순서는 터파기를 한 후 기초공사를 하고 기초 상부에 기둥을 설치하고 기둥에 보를, 보에 바닥판을 조성하는 수순을 밟는다. 그러므로 위 각 절차마다 공사 기간이 공사비에 큰 영향을 주게 된다. 더구나 기초지반(21)의 지내력이 부족하면 기초공사 이전에 주로 2개 이상의 말뚝을 박아 기초 지정으로 삼아 기초공사를 하는 한 공정이 추가된다.The framing work of the building is carried out through the process of digging the foundation, laying the foundation, installing the pillar on the top of the foundation, the beam on the pillar, and the bottom plate on the beam. Therefore, in each of the above procedures, the construction period will greatly affect the cost of construction. Moreover, if the bearing capacity of the foundation ground 21 is insufficient, a process of adding foundations by laying two or more piles as the foundation designation is added before the foundation construction.

일반적으로 지내력기초로도 가능은 하지만 다소 비경제적임을 감수한 채 말뚝기초(11)로 설계하는 경우가 있다. 한편 말뚝을 박아야 할 만큼 연약한 지반인데도 말뚝 박기를 생략하고 직접기초를 시도하여 기초침하 등 하자가 발생하는 사례도 있다. 말뚝을 박는 방법도 종전에는 당연히 타입(때려서 박는)하는 것이 상식이었으나 지금은 소음, 진동 등 민원을 이유로 거의가 사전에 구멍을 뚫어 심는 방법을 채택하므로 비교적 말뚝이 중심을 벗어나지 않는 정밀 시공이 가능하다. 또한 종래에는 대형 말뚝 타입 장비 구득난 등의 이유로 지지력이 크지 않은 소구경 말뚝을 선호했으나 천공 장비가 보편화 된 최근에는 오히려 말뚝 개수를 줄이고 대구경 말뚝을 쓰는 것이 간편하고 비용이 절감되는 경향이 있다. 그러므로 대형 건물에서는 기초 하나에 말뚝 하나인 RCD피어 형식의 기초도 많이 활용하고 있다. 탑다운 공사(top-down)에서는 프리보링 하여 설치한 현장타설 피어기초에 철골기둥을 심어서 공사하기도 하나 기둥의 수직도 등을 보장하기 어려워서 기둥은 당연히 철골기둥에 철근콘크리트를 입히는 2중 작업을 감수하고 있다.In general, although it can be used as a bearing base, it may be designed as a pile foundation (11) while taking a somewhat uneconomic. On the other hand, even though the ground is soft enough to be piled up, there are cases in which defects such as foundation settlement are caused by omitting piles and attempting direct foundations. In the past, it was common sense to type a pile, but nowadays, it is possible to precisely install the pile so that it does not deviate from the center because most of them adopt the method of planting holes beforehand for reasons such as noise and vibration. In addition, in the past, a large diameter pile-type equipment, such as due to the lack of support for the small diameter piles are not large, but in recent years when the drilling equipment is popular, rather the number of piles and large diameter piles tend to be simple and cost-saving. Therefore, large buildings also make use of the foundation of RCD peer type, which is one pile per foundation. In the top-down construction, steel pillars can be planted in the foundation of in-place castings, which are pre-bored, but it is difficult to guarantee the verticality of the pillars. I'm taking it.

. .

PHC 말뚝(10)은 사전에 긴장한 고강도강선과 고강도 콘크리트를 몰드에 넣어 원심력을 활용하여 제작한 콘크리트 원통형 관이다. 기초지반(21) 조건이 양호하여 기초에 말뚝을 박을 필요가 없는 경우 즉 직접기초가 오히려 간편한 지반에서는 일단 재래식 기초 공사를 한 후 그 위에다 베이스플레이트(18)를 부착한 PHC 말뚝(10) 기둥(22)을 세워서 보(17)를 걸치는 순서를 밟는다. 그러나 기초지반이 연약하여 말뚝기초(11)로 설계하여야 할 때는 말뚝과 기초 및 기둥을 하나의 PHC 말뚝으로 통합 시공하는 방법을 적용한다. 즉 기초 지반에다 기둥 중심에 맞춰 구멍을 뚫고(재래식 PRD 등 보링 공법) 그 구멍 일부에다 시멘트 모르터(19)를 충전한 채 PHC 말뚝을 심는데 그 상단이 최상층 보를 얹을 레벨이 되도록 하고 수직도를 맞춘 상태에서 모르터를 양생시켜 고정한다.PHC pile 10 is a concrete cylindrical tube made by using a centrifugal force to put the high-strength steel wire and high-strength concrete in the mold in advance. In the case where foundation conditions are good and there is no need to pile the foundations, that is, in the ground where the direct foundation is rather easy, the PHC pile 10 pillar with the base plate 18 attached thereon after the conventional foundation construction Set up (22) and step through the beam (17). However, when the foundation ground is fragile to be designed as a pile foundation (11), the method of integrating the pile, foundation and columns into one PHC pile is applied. In other words, drill the hole in the foundation ground to the center of the column (bore boring method such as conventional PRD) and plant the PHC pile with the cement mortar (19) filled in a part of the hole. Curing mortar in the state to fix it.

건물이 단층일 때와 중층일 때의 최상층 보는 PHC 말뚝(10) 기둥 위에 얹어 시공하고 중층일 경우 말뚝 제작 시 중간층 몸통 패널존(Panel zone)외부를 둘러 싼 강관 토막에 보 접합철물을 사전 용접하여 바닥보를 연결할 수 있게 한다. 강관 토막을 PHC 말뚝의 몸통 패널존에 부착하는 방법은 별도로 특허 출원을 하였다.When the building is single-floor and middle-floor, the uppermost floor is installed on the pillar of PHC pile (10) .In the middle floor, the beam joint is pre-welded to the steel pipe studs surrounding the panel zone. Allows you to attach the floorcloth. The method of attaching the steel pipe to the trunk panel zone of the PHC pile has been separately applied for a patent.

건물 층수가 많아 단일 PHC 말뚝으로는 기둥 길이가 모자랄 경우는 기둥을 도중에 이을 수도 있으며 이때는 상부 기둥의 단면 직경을 하부 기둥 보다 줄일 수 있다. PHC 말뚝 기둥 상·하단에 부착되어 있는 강판(슈)은 상하 기둥 상호간의 용접이음 및 최상하단의 보 및 베이스플레이트(18)를 용접하는 바탕쇠로 활용한다.If the number of floors is too high for a single PHC pile, the length of the column may be shorter than the length of the lower column. The steel plate (shoe) attached to the upper and lower ends of the PHC pile pillar is used as a welding joint between the upper and lower pillars, and a base metal for welding the beams and the base plate 18 at the upper and lower ends.

건축물 공사에서 기초 지정(말뚝 등)과 기초 및 지하실 공사는 지상층에 비하여 안전사고의 위험성도 크고 공사 기간과 공사비 부담도 크다. 본 발명은 말뚝 공사, 기초공사 및 기둥 공사를 동시에 시행하므로 충분한 경쟁력이 있다. 또한 지반 조건이 양호하여 기초에 말뚝을 사용할 필요가 없을 경우, 기초를 재래식으로 부설하고 그 위에 베이스플레이트(18)를 부착한 PHC 기둥을 세우는 공법을 사용하면 기둥의 현장 철근 배근, 거푸집 설치 및 콘크리트를 붓는 작업을 생략할 수 있어서 품질 향상과 공기 단축 효과가 크다.In building construction, the designation of foundations (eg piles), construction of foundations and basements have a greater risk of safety accidents than construction of the ground floor, and the construction period and cost of construction are greater. The present invention is sufficiently competitive because the pile construction, foundation construction and pillar construction at the same time. In addition, when the ground condition is good and there is no need to use a pile on the foundation, the method of laying the foundation conventionally and erecting the PHC pillar with the base plate 18 attached thereon is used to reinforce the site reinforcement, formwork and concrete. Pouring work can be omitted, which greatly improves quality and shortens the air.

지상 5층 근린생활 시설, 지하 2층 아파트 주차장을 예로 들면 600mm 직경의 PHC 말뚝(10)을 기둥으로 삼을 수 있는데 이를 재래식 철근콘크리트 기둥으로 시공할 경우와 비교하면 공사비 배분이 1:1.2∼1.5 정도로 적고 공사 기간이 대폭 단축된다. 지하 주차장 등에 원형 PHC 말뚝을 기둥으로 활용하면 주차 등을 위한 차량 이동시 기둥과 충돌할 확률이 줄어들고 혹시 충돌해도 서로 미끄러지기 쉬워 손상을 줄이는 효과를 기대할 수 있다.For example, the 5F above-ground neighborhood living facility and the 2nd floor underground parking lot can be used as pillars for the 600mm diameter PHC pile (10), which is 1: 1.2 to 1.5 compared to the case of constructing a conventional reinforced concrete column. It is small enough and construction period is greatly shortened. If a circular PHC stake is used as a pillar in an underground parking lot, the probability of colliding with the pillar when the vehicle moves for parking is reduced, and if it collides, it can be easily slipped with each other to reduce the damage.

도 1은 PHC 말뚝을 기초 겸 기둥으로 활용한 공법 단면도,1 is a cross-sectional view using a PHC pile as a foundation and pillar,

도 2는 PHC 말뚝을 기둥으로 활용한 공법 단면도,Figure 2 is a cross-sectional view of the method using the PHC pile,

도 3은 몸통 패널존을 강관 토막으로 감싼 PHC 기둥의 사시도이다.3 is a perspective view of a PHC column wrapped with the trunk panel zone with a piece of steel pipe;

〈도면의 부호에 대한 간단한 설명〉<Brief description of the symbols in the drawings>

10 : PHC 말뚝(기둥) 11 : 말뚝기초10: PHC pile (pillar) 11: pile foundation

12 : 일반 기초 13 : 강관토막12: general foundation 13: steel pipe

14 : 슈 15 : 보강밴드14: shoe 15: reinforcement band

16 : 강선머리 17 : 보16: wire head 17: beam

18 : 베이스플레이트 19 : 시멘트 모르터18: base plate 19: cement mortar

21 : 기초지반 22 : 기둥21: foundation ground 22: pillar

Claims (2)

기초 지반 조건이 양호하여 기초에 말뚝을 박을 필요가 없는 경우 재래식 일반 기초(12)공사를 한 후 그 위에다 베이스플레이트(18)를 부착한 PHC 말뚝(10)을 기둥으로 세워서 보(17)를 걸치거나, 기초지반(21)이 연약하여 말뚝기초(11)로 설계해야 할 때는 기초지반의 기둥(22) 중심에 맞춰 구멍을 뚫고 그 구멍에 시멘트 모르터(19)를 충전하여 PHC 말뚝을 삽입하고, 기초지반(21) 하부 PHC 말뚝은 기초로 상부는 기둥으로 사용하여 기초 및 기둥을 하나의 PHC 말뚝으로 통합 시공하도록 구성하며 ;If the foundation ground conditions are good and there is no need to pile the foundation, the conventional general foundation (12) should be constructed and the PHC pile (10) with the base plate (18) attached to it will be erected on the beam (17). When the foundation ground (21) is weak or need to be designed as a pile foundation (11), drill a hole in accordance with the center of the pillar 22 of the foundation ground and fill the cement mortar (19) into the hole to insert the PHC pile , Foundation ground 21, the lower PHC pile is used as a foundation, the upper portion as a pillar is configured to integrate the foundation and the pillar into one PHC pile; 상기 PHC 말뚝(10)은 건물이 단층일 때와 중층일 때의 최상층 보의 경우 PHC 말뚝 위에 얹어 시공하고, 중층일 경우 말뚝 제작 시 중간층 몸통 패널존 외부를 둘러 싼 강관토막(13)에 보 접합철물을 용접하여 바닥보를 연결 하는 것을 특징으로 하는 PHC 말뚝을 건물의 기초 겸 기둥으로 활용하는 공법The PHC pile 10 is constructed on top of the PHC pile in the case of a single-floor and a middle-floor building, and in the case of a middle-layer construction, the beam is bonded to the steel pipe membrane 13 surrounding the outside of the middle panel body zone. Method to utilize PHC pile as foundation and pillar of building, which welds hardware to connect floor beam 제1항에 있어서 PHC 말뚝(10)은 양 단부에 강판의 슈(14)를 부착하고, 슈 상부에는 보강밴드(15)로 구성되며 ; 및According to claim 1, PHC pile 10 is attached to the shoe 14 of the steel plate on both ends, the shoe upper portion is composed of a reinforcing band 15; And 중층의 경우 보가 붙는 중간부에는 선제작 된 강관토막(13)으로 패널존을 보강하는 것을 특징으로 하는 PHC 말뚝을 건물의 기초 겸 기둥으로 활용하는 공법In the case of the middle floor, the method of utilizing the PHC pile as the foundation and pillar of the building, which is characterized by reinforcing the panel zone with the prefabricated steel pipe 13 in the middle part where the beam is attached.
KR1020060077964A 2006-08-18 2006-08-18 Applying method of the PHC pile as the footing with the column of building KR100698912B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100932468B1 (en) 2009-05-29 2009-12-17 (주)네오크로스구조엔지니어링 Centrifugal precast concrete pile having hollow and construction method using the same, concrete and steel beam
KR101028606B1 (en) 2008-04-25 2011-04-11 이창남 Concrete Piling Method of Charnel
CN107938655A (en) * 2017-09-22 2018-04-20 上海市政工程设计研究总院（集团）有限公司 PHC pile piles make the construction method in support system lattice column crossing structure region
CN108104119A (en) * 2017-09-22 2018-06-01 上海市政工程设计研究总院（集团）有限公司 A kind of PHC pile piles make the construction method of support system lattice column
KR20220135437A (en) 2021-03-30 2022-10-07 송성민 Compoisite phc pile and construction method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101028606B1 (en) 2008-04-25 2011-04-11 이창남 Concrete Piling Method of Charnel
KR100932468B1 (en) 2009-05-29 2009-12-17 (주)네오크로스구조엔지니어링 Centrifugal precast concrete pile having hollow and construction method using the same, concrete and steel beam
CN107938655A (en) * 2017-09-22 2018-04-20 上海市政工程设计研究总院（集团）有限公司 PHC pile piles make the construction method in support system lattice column crossing structure region
CN108104119A (en) * 2017-09-22 2018-06-01 上海市政工程设计研究总院（集团）有限公司 A kind of PHC pile piles make the construction method of support system lattice column
CN107938655B (en) * 2017-09-22 2024-02-09 上海市政工程设计研究总院（集团）有限公司 Construction method for PHC pipe pile as supporting system lattice column to pass through structural region
CN108104119B (en) * 2017-09-22 2024-02-09 上海市政工程设计研究总院（集团）有限公司 Construction method for lattice column with PHC pipe pile as supporting system
KR20220135437A (en) 2021-03-30 2022-10-07 송성민 Compoisite phc pile and construction method thereof

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