KR960011364B1 - Fixing method of steel-frame/steel concrete beam - Google Patents

Fixing method of steel-frame/steel concrete beam Download PDF

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Publication number
KR960011364B1
KR960011364B1 KR1019930026223A KR930026224A KR960011364B1 KR 960011364 B1 KR960011364 B1 KR 960011364B1 KR 1019930026223 A KR1019930026223 A KR 1019930026223A KR 930026224 A KR930026224 A KR 930026224A KR 960011364 B1 KR960011364 B1 KR 960011364B1
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South Korea
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fixing
steel
reinforced concrete
concrete beam
steel reinforced
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KR1019930026223A
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Korean (ko)
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KR950018989A (en
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박준범
강효승
손영주
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삼성건설 주식회사
최훈
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Priority to KR1019930026224D priority Critical patent/KR960011365B1/en
Priority to KR1019930026223A priority patent/KR960011364B1/en
Publication of KR950018989A publication Critical patent/KR950018989A/en
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Publication of KR960011364B1 publication Critical patent/KR960011364B1/en

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    • 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
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The method fixes the steel concrete beams to the form plate of a slab plate by using pre-established I shaped steel beams, not to supports in the conventional method, so as to improve a construction workability and a safety. The method comprises the steps of : making a bolt rod(13) protruded downward through the concrete beam(11) while fixing the bolt rod(13) with the I beam(12) by a washer(14) and a nut(15); fixing the bolt rod with the lower form plate(16) by a washer(17) and a nut(18) and if necessary, closely fixing wooden bars(20) and pipes(19) between the lower shape frame(16) and the bottom of the steel concrete beam(11).

Description

철골 철근 콘크리트 보의 하부형틀 고정방법Fixing method of lower frame of steel reinforced concrete beam

제1도는 종래 철골 철근 콘크리트의 시공방법에 따른 구성을 나타낸 일부단면도.1 is a partial cross-sectional view showing the configuration according to the construction method of conventional steel reinforced concrete.

제2도는 본 발명의 일 실시예에 따른 일부단면도.2 is a partial cross-sectional view according to an embodiment of the present invention.

제3도는 본 발명의 볼트공의 고정상태를 나타낸 일부 사시도.3 is a partial perspective view showing a fixed state of the bolt hole of the present invention.

제4도는 본 발명의 다른 실시예에 따른 일부단면도.4 is a partial cross-sectional view according to another embodiment of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

11 : 철골 철근 콘크리트 보 12 : 철골부재11: steel reinforced concrete beam 12: steel member

13 : 볼트봉 16 : 하부형틀13: bolt rod 16: lower mold

16a : 원통형 파이프 26 : 고정봉16a: cylindrical pipe 26: fixed rod

본 발명은 철골 철근 콘크리트 보의 하부형틀 고정방법에 관한 것으로, 특히 기 설치된 철골부재를 이용하여 보와 바닥판의 형틀을 설치하도록 함으로써 동바리가 없는 상태(Non-Support)에서 보와 바닥판을 시공할 수 있도록 한 철골 철근 콘크리트 보의 하부형틀 고정방법에 관한 것이다.The present invention relates to a method of fixing a lower frame of steel reinforced concrete beams, and in particular, by installing the frame of the beam and the bottom plate using a pre-installed steel member to construct the beam and the bottom plate in a non-supported state (Non-Support) It relates to a method of fixing the lower formwork of steel reinforced concrete beams.

일반적으로 철골 철근 콘크리트의 건물에서 철골보의 강성과 내화성을 향상시키기 위하여 철골 철근 콘크리트를 이용한 철골 철근 콘크리트 합성보가 주로 사용되고 있음은 이미 잘 알려진 사실이다.In general, it is well known that steel reinforced concrete composite beams using steel reinforced concrete are mainly used to improve rigidity and fire resistance of steel steel beams in steel reinforced concrete buildings.

종래에는 제1도에 도시한 것과 같이 철골 철근 콘크리트조의 건물을 시공하기 위하여 기둥과 기둥사이에 철골보(1)가 설치된 상태에서 철근을 배근하고, 상기 철근이 배근된 철골보(1)의 하부에 하부형틀(일명 거푸집)(2)을 설치한 후 하부형틀(2)의 하부에 수개의 동바리(Support, 일명 지주라고도 함)(3)를 설치한 후 상기 철골보(1)의 양측면에 측판형틀(4)을 조립한다.Conventionally, as shown in FIG. 1, in order to construct a steel-reinforced concrete structure, reinforcing steel bars are installed in a state in which steel steel beams 1 are installed between columns and pillars, and the lower portion of steel steel beams 1 in which the steel bars are reinforced. After installing the mold (aka formwork) (2), after installing a number of clubs (Support, also known as props) (3) in the lower part of the lower mold (2) side plate mold (4) on both sides of the cheolgolbo (1) Assemble).

그리고 바닥판 하부에 슬라브 바닥형틀(5)을 설치한 상태에서 현장에서 콘크리트를 타설하여 양생시까지 현장 타설의 콘크리트의 자중을 지지하도록 하였였다.And the slab floor frame (5) was installed on the bottom of the bottom plate to the concrete in the field was to support the self-weight of the concrete in the site casting until curing.

그러나, 상기와 같은 종래의 철골 철근 콘크리트 보의 하부형틀 고정방법에 의하여서는 콘크리트를 타설하기 위하여 다수의 동바리(3)가 필요하게 되고, 거푸집을 제작할 때 철골보(1)위에서 작업이 이루어지므로 시공성과 작업자의 안정성이 결여될 뿐아니라, 콘크리트를 타설한 후에도 하부형틀(2)과 측판형틀(4) 및 슬라브 바닥형틀(5)의 존치 기간동안 동바리(3)를 철거할 수 없으므로 후속의 공정도 따라서 지연됨은 물론, 그 해체에 따른 공사기간의 지연으로 인해 철골조의 특성인 공사기간 단축 및 시공성이 반감되는 등의 단점이 있었다.However, by the method of fixing the lower frame of the conventional steel reinforced concrete beams as described above, a large number of copper bars (3) are required to pour concrete, and work is performed on the steel golbo (1) when manufacturing the formwork. Not only is there a lack of stability of the operator, but even after pouring concrete, the copper bar (3) cannot be removed during the existence of the lower mold (2), the side plate mold (4) and the slab bottom mold (5). As well as delay, due to the delay of the construction period due to its dismantling, there were disadvantages such as shortening of construction period and construction property which are the characteristics of steel frame.

이에 따라, 본 발명은 지상에서 조립된 형틀을 동바리 없이 철골보에 직접 연결시킴으로써 시공성 및 안정성이 양호해지도록 한 철골 철근 콘크리트 보의 하부형틀 고정방법을 제공하는 것을 그 목적으로 한다.Accordingly, an object of the present invention is to provide a method of fixing the lower frame of the steel reinforced concrete beam to improve the workability and stability by connecting the mold assembled on the ground directly to the steel cheolgolbo without a circle.

이와 같은 목적을 달성하기 위한 본 발명은 철골 철근 콘크리트조의 건물을 시공할 때 지상에서 부분적으로 조립된 형특을 볼트봉 또는 고정봉을 이용하여 기둥과 기둥 사이의 I형 철골부재에 연결고정하고, 이를 이용하여 바닥판 형틀을 완성시킴으로써 별도의 동바리를 설치하지 않고도 바닥판과 보의 콘트리트를 타설할수 있으므로 시공성 향상 및 작업자의 안정성을 도모하고 형틀의 존치기간에 관계없이 곧바로 후속 공정이 가능하므로 공사기간의 단축 및 공사비 절감이 가능하도록 한 것이다.In order to achieve the above object, the present invention uses a bolt rod or a fixed rod that is partially assembled from the ground when constructing a steel reinforced concrete structure, and connects and fixes the I-shaped steel member between the pillar and the pillar. By completing the bottom plate mold, the concrete of the bottom plate and beam can be cast without installing a separate club. Therefore, it is possible to improve the workability and stability of the worker and to follow-up process immediately regardless of the length of the mold. It is possible to shorten and reduce construction costs.

이하, 본 발명을 첨부 도면에 의거 상세히 기술하여 보면 다음과 같다. 제2도 및 제3도는 일실시예에 따른 공정과정을 나타낸 것으로서, 철골 철근 콘크리트조의 건물을 시공할 때 기초공사를 한 다음에 수직의 위쪽으로 세워지는 기둥들의 사이에 철골 철근 콘크리트 보(11)의 내부에 위치하게 되는 I형 철골부재(12)를 설치하고, 상기 I형 철골부재(12)의 밑면에 형성한 구멍(12a)을 통해 일부가 상향돌출되는 고정부재인 볼트봉(13)을 와샤(14)와 너트(15)로서 고정하면서 철골 철근 콘크리트 보(11)의 밑면으로 하향 돌출되도록 하고, 상기 볼트봉(13)의 아래쪽으로부터 받침부재인 원통형 파이프(16a) 및 하부형틀(16)을 와샤(17) 및 너트(18)로서 고정하면서 필요에 따라 사이에 다수의 파이프(19)와 각재(20)를 끼운채 단단하게 고정하고, 상기 받침부재에 지지되는 측면부재인 측면각재(21a) 및 측판형틀(21)을 볼토봉(22) 및 너트(22a)으로 고정하면서 상기 측면부재에 의해 바닥판 받침부재인 받침목(23) 및 슬라브 바닥형틀(24)이 지지되도록 고정 설치한 후 철골 철근 콘크리트 보(11)와 바닥판(11a)을 현장타설 콘크리트 공법으로 시공하도록 한 것이다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. 2 and 3 show a process according to an embodiment, the steel reinforced steel beams 11 between the pillars erected vertically after the foundation work when constructing the steel reinforced concrete tank building Installing the I-shaped steel member 12 is located in the interior of the bolt rod 13, which is a fixed member to protrude upward through a hole 12a formed in the bottom of the I-shaped steel member 12 While fixing as a washer 14 and the nut 15 to protrude downward to the bottom of the steel reinforced concrete beam 11, the cylindrical pipe (16a) and the lower mold (16) as a supporting member from the bottom of the bolt rod (13) The side shell member 21a, which is a side member supported by the support member, while firmly fixing it as the washer 17 and the nut 18 with a plurality of pipes 19 and the lumber 20 interposed therebetween as necessary. ) And side plate mold 21 with a bolt toe 22 and a nut 22a While fixing and supporting the base member 23 and the slab bottom frame 24, which are the base plate supporting members by the side members, the steel reinforced concrete beam 11 and the bottom plate 11a are installed by the cast-in-place concrete method. I did it.

여기서, 볼트봉(13)은 각각 상,하 볼트봉(13')(13'')이 상기의 받침판(16)과 접하는 상면에 위치하는 너트부(25a)가 일체인 콘(25)에 의해 결합되도록 한다.Here, the bolt rod 13 is formed by a cone 25 having an integral nut part 25a positioned at an upper surface of the upper and lower bolt rods 13 'and 13' 'in contact with the support plate 16, respectively. To be combined.

이와같은 철골철근 콘크리트 보의 하부형틀 고정방법은 I형 철골부재(2)에 고정부재인 볼트봉(13)을 밑면으로 구멍(12a)을 통해 와샤(14)와 너트(15)로서 고정하여 철골철근 콘크리트 보(1)의 저면으로 돌출되도록 함으로써 받침부재인 원통형 파이프(16a) 및 하부형틀(16)을 와샤(17) 및 너트(18)로서 고정하여 저면에서 별도의 동바리로 고정시키지 않아도 된다.The method of fixing the lower frame of the steel reinforced concrete beam is fixed to the I-shaped steel member 2 by fixing the bolt rod 13, which is a fixing member, to the washer 14 with the washer 14 and the nut 15 through the hole 12a. By protruding to the bottom of the reinforced concrete beam 1, the cylindrical pipe 16a and the lower mold 16, which are the supporting members, are fixed as the washers 17 and the nuts 18, so that they do not have to be fixed with a separate group at the bottom.

그리고 상기의 하부형틀(16)을 이용하여 측면부재인 측면각재(21a) 및 측판형틀(21)을 볼트봉(22) 및 너트(22a)로 고정하면서 상기 측판형틀(21)에 의해 바닥판 받침부재인 받침목(23) 및 슬라브 바닥형틀(24)을 지지고정함으로써 지상에서 형틀을 제작하여 원통형 파이프(6)의 상면에서 조립시공을 하므로 시공성 및 안정성이 양호해진다.And the bottom plate support by the side plate mold 21 while fixing the side shell member 21a and the side plate mold 21, which are side members using the lower mold 16, with the bolt rod 22 and the nut 22a. By fixing the supporting members 23 and the slab bottom mold 24 as members, the mold is manufactured on the ground and assembled on the upper surface of the cylindrical pipe 6, so that the workability and stability are improved.

철골 철근 콘크리트 보 및 바닥판의 형틀을 떠어낸 후에는 볼트봉(13)의 하볼트봉(3'')을 콘(25)의 너트부(25a)에서 해체하고, 다시 너트부(25a)가 일체인 콘(25)을 분리시킨 다음 그 부위를 몰타르로 마무리하면 볼트봉(13)이 하향 돌출되지 않는 상태가 된다.After removing the form of the steel reinforced concrete beam and the bottom plate, the lower bolt 3 '' of the bolt rod 13 is dismantled from the nut portion 25a of the cone 25, and the nut portion 25a When the cone 25 is separated and the part is finished with mortar, the bolt rod 13 is not protruded downward.

한편, 철골 철근 콘크리트 보(11)의 I형 철골부재(12)의 저면에 제4도의 다른 실시예에 도시한 것과 같이 고정봉(26)을 용접으로 고정설치하고, 상기 고정봉(26)의 하측에 형성한 고정공(27)을 이용하여 로커(28)를 삽입하여도 그 상단의 받침부재인 원통형 파이프(16a)와 하부형틀(16)을 단단하게 지지할 수 있다.On the other hand, as shown in another embodiment of FIG. 4 on the bottom surface of the I-shaped steel member 12 of the steel reinforced concrete beam 11, and fixed to the fixing rod 26 by welding, the fixing rod 26 Even when the rocker 28 is inserted using the fixing hole 27 formed at the lower side, the cylindrical pipe 16a and the lower mold 16, which are the supporting members at the upper end thereof, can be firmly supported.

이 경우에도 두 고정봉(26)은 각각 상기 하부형틀(16)의 상면에 위치하는 너트부(25a)가 일체인 콘(25)에서 상,하 고정봉(26a)(26b)의 볼트부(26a')(26b')가 결합되도록 한다.Even in this case, the two fixing rods 26 are each bolts of the upper and lower fixing rods 26a and 26b in the cone 25 in which the nut portion 25a located on the upper surface of the lower mold 16 is integrated. 26a ') and 26b'.

따라서, 본 발명의 철골 철근 콘크리트 보의 하부형틀 고정방법에 의하여서는 철골 철근 콘크리트 보에 내장되는 철골부재에 고정부재를 하향 돌출되도록 고정하고, 상기 고정부재를 이용하여 동바리 없이 받침부재와 형틀을 조립시공하도록 함으로써 조립의 시공성 및 안정성이 월등히 향상되고, 현장에서 콘크리트 타설 후 바로 후속 공정에 들어갈 수 있으므로 공기 단축이라는 철골조의 특성을 더욱 살릴수 있는 것이다.Therefore, according to the method of fixing the lower mold of the steel reinforced concrete beam of the present invention, the fixing member is fixed to protrude downward from the steel member embedded in the steel reinforced concrete beam, and the supporting member and the mold are assembled without using the fixing member. By constructing, the construction and stability of the assembly is greatly improved, and after the concrete is placed in the field, it is possible to enter the subsequent process, thereby further utilizing the characteristics of the steel frame called air shortening.

Claims (3)

철골 철근 콘크리트조의 건물을 시공할 때 철골 철근 콘크리트 보의 하부형틀 고정방법에 있어서, I형 철골부재(12)의 밑면에 형성한 구멍(12a)을 통해 일부가 상향돌출되는 고정부재인 볼트봉(13)을 와샤(14)와 너트(15)로서 고정하면서 철골 철근 콘크리트 보(11)의 밑면으로 하향 돌출하도록 하고, 상기 볼트봉(13)의 아래쪽으로부터 받침부재인 원통형 파이프(16a) 및 하부형틀(16)을 와샤(17) 및 너트(18)로서 고정하면서 필요에 따라 파이프(19)와 각재(20)를 끼운채 단단하게 고정하여 측면부재의 측판형틀(21)과 바닥판 받침부재인 슬라브 바닥형틀(24)을 지지고정하도록 하는 철골 철근 콘크리트보의 하부형틀 고정방법.In the method of fixing the lower frame of the steel reinforced concrete beam when constructing a steel reinforced concrete structure, a bolt rod which is a fixed member which protrudes upward through a hole 12a formed in the bottom of the I-shaped steel member 12 ( 13) while fixing the washer 14 and the nut 15 to protrude downward to the bottom of the steel reinforced concrete beam 11, from the bottom of the bolt rod 13, the cylindrical pipe (16a) and the lower mold Slab which is the side plate mold 21 and the bottom plate support member of the side member while fixing 16 as the washer 17 and the nut 18, while fixing it firmly with the pipe 19 and the lumber 20 inserted as needed. Method of fixing the lower mold of the steel reinforced concrete beam to support the bottom mold (24). 제1항에 있어서, 철골 철근 콘크리트 보(11)의 I형 철골부재(12)의 저면에 고정봉(26)을 용접으로 고정 설치하고, 상기 고정봉(26)의 하측에 형성한 고정봉(27)을 통해 로커(28)를 삽입하면서 받침부재인 원통형 파이프(16a)와 하부형틀(16)을 단단하게 지지하도록 한 철골 철근 콘크리트보의 하부형틀 고정방법.The fixed rod (26) according to claim 1, wherein the fixed rod (26) is fixed to the bottom of the I-shaped steel member (12) of the steel reinforced concrete beam (11) by welding, and is formed below the fixed rod (26). 27) A method of fixing the lower mold of the steel reinforced concrete beam to support the cylindrical pipe (16a) and the lower mold (16) as the support member while inserting the rocker (28). 제1항에 있어서, 볼트봉(13)은 각각 상,하 볼트봉(13')(13'')이 상기의 받침판(16)과 접하는 상면에 위치하는 너트부(25a)가 일체인 콘(25)에 의해 결합되도록 한 철골 철근 콘크리트보의 하부형틀 고정방법.The bolt rod 13 is formed of a cone having an integral nut part 25a positioned at an upper surface of the upper and lower bolt rods 13 'and 13' 'in contact with the support plate 16, respectively. 25) A method of fixing the lower frame of steel reinforced concrete beams to be joined by.
KR1019930026223A 1993-12-02 1993-12-02 Fixing method of steel-frame/steel concrete beam KR960011364B1 (en)

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KR100761785B1 (en) * 2005-06-28 2007-09-28 (주)엠씨에스공법 Mold-concrete composite crossbeam

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10271668B2 (en) 2010-02-01 2019-04-30 Lg Electronics Inc. Refrigerator and method for controlling the same

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