KR970011227A - Installation method of precast concrete beam - Google Patents

Installation method of precast concrete beam Download PDF

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Publication number
KR970011227A
KR970011227A KR1019950028209A KR19950028209A KR970011227A KR 970011227 A KR970011227 A KR 970011227A KR 1019950028209 A KR1019950028209 A KR 1019950028209A KR 19950028209 A KR19950028209 A KR 19950028209A KR 970011227 A KR970011227 A KR 970011227A
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KR
South Korea
Prior art keywords
beams
precast concrete
height
same time
support
Prior art date
Application number
KR1019950028209A
Other languages
Korean (ko)
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KR0151684B1 (en
Inventor
김선자
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김선자
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Filing date
Publication date
Application filed by 김선자 filed Critical 김선자
Priority to KR1019950028209A priority Critical patent/KR0151684B1/en
Publication of KR970011227A publication Critical patent/KR970011227A/en
Application granted granted Critical
Publication of KR0151684B1 publication Critical patent/KR0151684B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

본 발명은 프리캐스트 콘크리트 들보의 설치공법에 관한 것으로서, 들보의 자중에 의한 휨모멘크가 연속보의 모멘트와 유사한 형태를 취하게 함으로써 들보의 내하력을 증가시킬 목적으로, 일련의 교각위에 재치된 프리캐스트 콘크리트 들보의 최외측 단부를 높이조절이 가능한 가설받침위에 영구받침보다 높게되도록 올려놓은 상태에서 들보의 단부 사이의 공간에 콘크리트를 타설하여 경화시키고 들보의 윗면에 설치된 돌기부의 구멍을 통해 인장장재를 삽입하여 이것을 인장함과 동시에 가설받침의 높이를 감소시켜 인장이 완료될때 들보의 단부가 영구받침에 의해 지지되도록 함을 특징으로 하는 공법으로서 자중에 의한 휨모멘트가 연속보와 유사한 형태를 취하게 되어 내하력이 증가되는 효과가 있다.The present invention relates to a method for installing precast concrete beams, wherein the bending momentum due to the weight of the beams has a shape similar to that of the continuous beams, thereby increasing the load capacity of the beams. With the outermost end of the concrete beams placed on the height-adjustable temporary bearings higher than the permanent bearings, the concrete is poured into the space between the ends of the beams and cured. This method is characterized in that the end of the beam is supported by the permanent support when the tension is completed by reducing the height of the temporary support at the same time as the tension is completed, the bending moment due to its own weight is similar to the continuous beam. This has an increasing effect.

Description

프리캐스트 콘크리트 들보의 설치공법Installation method of precast concrete beam

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 들보를 교각위에 올려 놓은 제1고정의 개략도,1 is a schematic view of the first fixing the beams on the piers,

제2도는 들보의 단부 사이의 공간에 콘크리트를 타설하고 정착용 돌기부를 통해 인장부재를 설치한 상태의 본 발명 제2공정을 나타내는 개략도,2 is a schematic view showing a second process of the present invention in the state of placing concrete in the space between the ends of the beams and installing the tension member through the fixing projection;

제3도는 인장작업을 실시하면서 가설받침으로 받쳐놓아 최외측 단부를 내리는 제3공정의 개략도,3 is a schematic view of the third step of lowering the outermost end by supporting the hypothesis while performing the tensioning operation,

제4도는 공정별 휨모멘트를 나타내는 설명도,4 is an explanatory diagram showing the bending moment for each process,

제5도는 다음 경간의 들보를 연결할 때의 제1고정의 개략도.5 is a schematic diagram of the first fixing when connecting the beam of the next span.

Claims (1)

일련의 교각(2)위에 다수개의 프리캐스트 콘크리트 들보(1)를 올려놓음에 있어 최외측 교각(2')위에 높이조절이 가능한 가설받침(3)을 설치하고 그 상단을 영구받침(4') 보다 소정의 높이(H)만큼 높게한 상태에서 프리캐스트 콘크리트 들보의 단부를 지지하도록 하고 인접한 들보의 단부 사이의 공간에 콘크리트(5)를 타설한 뒤 경화시키고 들보(1)의 상면의 돌기부(6)에 형성된 구멍을 통하여 인장부재(7)를 인장함과 동시에 가설받침(3)의 높이를 감소시켜 인장작업이 완료됨과 동시에 들보의 단부가 영구받침(4')에 의해 지지되도록 하는 것을 특징으로 하는 프리캐스트 콘크리트 들보의 설치공법.In placing a plurality of precast concrete beams (1) on a series of piers (2), a height-adjustable temporary support (3) is installed on the outermost piers (2 ') and the upper end is permanently supported (4'). Support the end of the precast concrete beam in the state of being higher by a predetermined height (H), the concrete 5 is poured into the space between the ends of the adjacent beams and then hardened and the projections 6 on the upper surface of the beam 1 At the same time as the tension member 7 is tensioned through the hole formed at the same time, the height of the temporary support 3 is reduced so that the end of the beam is supported by the permanent support 4 'at the same time as the tensioning operation is completed. Installation method of precast concrete beams ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950028209A 1995-08-31 1995-08-31 Girders of the precasting concrete KR0151684B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950028209A KR0151684B1 (en) 1995-08-31 1995-08-31 Girders of the precasting concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950028209A KR0151684B1 (en) 1995-08-31 1995-08-31 Girders of the precasting concrete

Publications (2)

Publication Number Publication Date
KR970011227A true KR970011227A (en) 1997-03-27
KR0151684B1 KR0151684B1 (en) 1998-10-15

Family

ID=19425586

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950028209A KR0151684B1 (en) 1995-08-31 1995-08-31 Girders of the precasting concrete

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KR (1) KR0151684B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100499839B1 (en) * 2002-09-18 2005-07-07 우경건설 주식회사 incremental launching method for bridge construction by the lifting and dropping the support point of the nose
KR101442980B1 (en) * 2013-06-18 2014-09-23 주식회사 포스코건설 Prestressed concrete beam using a wedge-shape pin bar

Also Published As

Publication number Publication date
KR0151684B1 (en) 1998-10-15

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