KR20030060263A - PCCbridge beam and method of constructing the same - Google Patents

PCCbridge beam and method of constructing the same Download PDF

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Publication number
KR20030060263A
KR20030060263A KR1020020000876A KR20020000876A KR20030060263A KR 20030060263 A KR20030060263 A KR 20030060263A KR 1020020000876 A KR1020020000876 A KR 1020020000876A KR 20020000876 A KR20020000876 A KR 20020000876A KR 20030060263 A KR20030060263 A KR 20030060263A
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South Korea
Prior art keywords
bridge
formwork
hole
long
slab
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KR1020020000876A
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Korean (ko)
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박영재
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박영재
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Priority to KR1020020000876A priority Critical patent/KR20030060263A/en
Publication of KR20030060263A publication Critical patent/KR20030060263A/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed
    • E01D2101/285—Composite prestressed concrete-metal

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

PURPOSE: A pre-stressed concrete bridge beam is provided to assist the installation of bridge slab forms or parapet forms or safety nets by arranging bridge beams with long nuts embedded at regular distance, also to make the maintenance work easy and simple. CONSTITUTION: The construction process of pre-stressed concrete bridge beam is composed of: seating numbers of beams on a bridge pier(10); fixing a slab form(14) and a parapet form(17) by long blots passing through the access hole(135) of a beam(130) and through holes(136') of channels(136); fixing brackets(18) by bolts; fastening a vertical brace(18') by a supporting timber(18''); inserting a hook(137') to a long bolt(134) to be hung; putting the bolt into the lower access(135') hole of a beam; putting a timber(20) on to the hung hooks arranged at regular distances; putting steel pipes(21) across the timbers at regular distances; putting safety nets(19) on the steel pipes; placing concrete onto the slab forms and parapet forms.

Description

ＰＳＣ 교량용 빔과 그 시공방법{PCCbridge beam and method of constructing the same}PCCbridge beam and method of constructing the same}

본 발명은 교량용 빔에 관한 것으로, 특히 슬라브 거푸집과 까치발 및 안전망의 설치와 시공후의 유지 보수를 간편한 작업으로 용이하게 실시할 수 있도록 한 구조를 가지는 ＰＳＣ 교량용 빔과 그 시공방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to beams for bridges, and more particularly to beams for beams and constructions having a structure that allows easy installation and maintenance of slab formwork, brackets, and safety nets after simple construction.

일반적으로 교량을 설치 시공하기 위해서는 도1의 도시에서 보는 바와 같이, 일정한 간격으로 세워진 교각(橋脚)(10)위에 폭방향(幅方向)으로 슈블럭(11)과 교좌장치(12)를 이용하여 빔(13)의 양단이 상기 교좌장치(12)상에 지분(持分)이 걸려지는 상태로 필요한 개수의 빔(13)을 설치한 후 빔(13)의 상층부와 수평을 이루는 상태로 빔과 빔사이에 슬라브 거푸집(14)을 깔아주게 되는데, 이때 슬라브 거푸집(14)이 얹혀지는 각재(15)는 철선(15')으로 묶어서 그 일단을 빔(13)의 상층부로 돌출된 철근(16)에 용접 고정시켜 주는 것이며, 또 난간용 거푸집(캔틸레버= Canti lever)(17)은 까치발(18)의 각부(18')를 역시 철선(17')로 묶어서 철근(16)에 용접 고정하고 이의 수직부(18")는 버팀각재(18"')로 빔(13)의 측면과 사이로지지시켜 까치발(18)을 정확히 고정하는 것이며, 또 안전망(19)의 경우도 각재(20)을 철선(20')으로 묶어서 빔(13)의 양쪽 하부면 위치하도록 일단을 역시 철근(16)에 용접 고정시켜 주고 그 위에 빔(13)과 사이(幅)의 길이를 갖는 안전시설용 강관 (pipe)(21)을 다수개 안착 고정하여 그 위로 안전망(19)을 깔아서 낙하물에 의한 안전사고를 방지하고 있다.In general, in order to install a bridge, as shown in FIG. 1, by using a shoe block 11 and a bridge device 12 in a width direction on a bridge 10 erected at regular intervals. Both ends of the beam 13 are installed with the required number of beams 13 in a state in which the stake is placed on the cross-section device 12, and then the beams and the beams are in a horizontal state with the upper layer of the beams 13. The slab formwork 14 is laid in between, where the slab formwork 14 on which the slab formwork 14 is placed is bundled with an iron wire 15 'so that one end of the slab formwork 14 is projected to the reinforcing bar 16 protruding into the upper layer of the beam 13. The handrail formwork (cantilever = Canti lever) 17 binds the corner portions 18 'of the bracket foot 18 with iron wire 17', and welds them to the reinforcing bars 16, and vertical portions thereof. (18 ") is supported by the brace shell (18" ') between the side of the beam 13 to secure the bracket (18) correctly, and the safety net (1 In the case of 9), the lumber 20 is tied with the steel wire 20 'so that one end is also welded and fixed to the reinforcing bar 16 so as to be positioned at both lower surfaces of the beam 13, and the beam 13 and the beam 13 are placed thereon. Safety facilities steel pipe (pipe) 21 having a length of the seating and fixing the safety net (19) over it to prevent the safety accident by falling objects.

그러나 이와같은 방법으로 설치되는 슬라브 거푸집(14)의 각재(15)와 난간용 거푸집(17)의 까치발(18) 각부(18') 및 안전망(19)의 강관(21)시설은 모두 높은 교각(10)위에서, 많은 인력이 오랜시간동안 작업을 하기 때문에 시공비의 상승과 안전사고 및 시공후의 유지보수가 어려웠다.However, the lumber 15 of the slab formwork 14 and the bracket foot 18 of the railing formwork 17 and the steel pipe 21 of the safety net 19 which are installed in this manner are all high piers ( 10) As above, many manpower has been working for a long time, so it is difficult to increase construction cost, safety accident and maintenance after construction.

더우기 이들을 해체한 후에 노출되는 철선도 깨끗이 절단 처리해 주어야 하므로서 마무리 작업에도 많은 시간을 낭비하는 문제점을 안고 있다.In addition, since the wires exposed after dismantling them must be cleanly cut, there is a problem of wasteing a lot of time for finishing.

그러나 무엇보다도 슬라브 거푸집(14)이나 난간용 거푸집(17) 및 안전망(19)용 강관(21)을 설치하기 위한 각재(15)(20)와 각부(18')를 철선(15') (17')(20')으로 묶어서 철근(16)에 용접 고정시켜 줄 때 각각의 철선(15')(17') (20')에 걸리는 인장력(引張力)이 일정하지 아니하여 타설되는 슬라브 콘크리트(C)의 두께를 균일화할 수 없을 뿐만 아니라 보수작업을 실시할때도 동일한 작업으로의 작업이 불가능하여 부득히 "통바리"를 설치하여 보수 시공하는 원시적인 방법에 의존하고 있는 실정이다.However, above all, the lumber 15, 20 and the leg 18 'for installing the slab formwork 14, the handrail formwork 17 and the steel pipe 21 for the safety net 19 are provided with the wire 15' (17). Slab concrete that is cast because the tensile force applied to each of the iron wires 15 ', 17', and 20 'is not constant when it is bundled with' 20 'and welded to the rebar 16. Not only can the thickness of C) not be equalized, but also the same work cannot be done when performing repair work, so it is inevitable to rely on the primitive method of installing and repairing “Tong Buri”.

따라서 본 발명의 목적은 슬라브 거푸집과 난간용 거푸집 및 안전망의 설치와 시공후에 유지보수를 간편하고 용이하게 실시하기 위하여 빔의 양쪽측면 상하부에 긴 보울트의 삽탈공을 일정간격으로 배하여 성형 제작한 ＰＳＣ교량용 빔과 그 시공방법을 제공하려는데 있다.Accordingly, an object of the present invention is to form and manufacture a PCB by arranging the insertion and removal of long bolts at regular intervals on the upper and lower sides of the beam for easy and easy maintenance after installation and construction of slab formwork, handrail formwork, and safety net. It is to provide a beam for a bridge and its construction method.

본 발명은 ＰＳＣ교량용 빔을 성형 제조함에 있어 종래와 같은 시공상의 문제점을 해소하고 목적달성에 현저한 효과를 구현하기 위해 철재 거푸집(Steel form)을 이용하여 ＰＳＣ교량용 빔을 성형 제작할 때 상기 ＰＳＣ교량용 빔의 양쪽 측면 상하부에 긴너트(Long Nut)가 매설된 삽탈공을 일정한 간격으로 배하여 교량 시공시 슬라브 거푸집과 난간용 거푸집 및 안전시설용 안전망의 설치를 용이하게 함과 동시에 또한 시공후 유지보수를 동일한 방법으로 간편하게 실시할 수 있도록 하므로서 공기 단축에 따른 시공비의 절감과 안전성 및 반영구적인 기능의 향상을 기할 수 있는 ＰＳＣ교량용 빔과 그 시공방법을 특징으로 한다.The present invention in the manufacture of forming the beams for the PSC bridge beams when forming the beams for the PSC bridge using a steel form (Steel form) in order to solve the construction problems as in the prior art and to implement a remarkable effect on achieving the object It is easy to install slab formwork, balustrade formwork, and safety facilities safety net when constructing bridges by arranging inserting holes with long nuts at upper and lower sides of the beam at regular intervals. It can be easily carried out in the same way, it is characterized by the beam for the PSC bridge and its construction method that can reduce the construction cost and improve the safety and semi-permanent function according to the air shortening.

도 1은 종래의 빔을 이용하여 슬라브 거푸집과 까치발 및 안전망의 설치상태를 개략적으로 나타낸 일부정면예시도1 is a partial front view schematically showing the installation state of the slab formwork, bracket and safety net using a conventional beam

도 2는 본 발명에 의해 성형 제조된 빔에 "ㄷ"형 체널과 까치발 및 걸고리를 보울트로 취부 고정시키기 위한 구성의 분리사시도Figure 2 is an exploded perspective view of the configuration for fixing the "c" type channel, bracket and hook to the beam manufactured by the present invention as a bowl

도 3a도는 본 발명에 의한 빔에 삽탈공을 형성하기 위한 요부를 분리한 빔 거푸집의 일부 사시도Figure 3a is a partial perspective view of the beam formwork separating the main portion for forming the insertion hole in the beam according to the present invention

도 3b도는 본 발명에 의한 빔 거푸집을 이용한 빔성형 상태의 일부 단면도Figure 3b is a partial cross-sectional view of the beam forming state using the beam formwork according to the present invention

도 4도는 본 발명에 "ㄷ"자형 채널과 까치발 및 안전망을 보울트와 단관고리로 설치하여 시공하는 상태의 일부 절개 단면도Figure 4 is a partial cutaway cross-sectional view of the construction of the "c" -shaped channel and the bracket and the safety net installed by the bolt and short pipe hook in the present invention

도 5도는 본 발명에 의해 시공된 교량의 측단면도Figure 5 is a side cross-sectional view of the bridge constructed by the present invention

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

10-교각14-슬라브 거푸집16-철근10-pier 14-slab formwork16-rebar

17-난간용 거푸집18-까치발18'-각부17-railing formwork 18-bracket foot 18'-part

18"-수직부18"'-버팀각재19-안전망18 "-vertical 18" '-brace lumber 19-safety net

20-각재21-강관130-ＰＳＣ 교량빔20-beams21-steel pipes 130-PSC bridge beam

130'-철재거푸집(steel form)131-구멍130'-steel form131-hole

132-나사공 133-짧은너트(short nut) 134-긴보울트(long Bolt)132-Thread 133-Short Nut 134-Long Bolt

133'-긴너트(long nut)C-콘크리트135,135'-삽탈공133'-long nut C-concrete

136-"ㄷ"자형 채널136',136"-통공137-고리공136- "C" channel 136 ', 136 "-through-137-ring

137'-걸고리137'-hook

이하 본 발명을 첨부한 실시예의 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

여기서 본 발명은 구성중 종래와 동일한 구성에 대해서는 같은 부호를 사용하여 설명하였다.Herein, the present invention has been described with the same reference numerals for the same components as in the prior art.

먼저 ＰＳＣ교량용 빔(130)의 성형방법은 철재거푸집(Steel From)(130')을 사용하는데, 상기 철재 거푸집(130')의 양쪽 측면 상하부에 일정간격으로 구멍 (131)을 소정위치에 뚫어주되 그 외측에 상기 구멍(131)의 직경과 동일한 나사공 (132)을 가지는 짧은 너트(Shot nut)(133)을 용접 고정한 후 상기의 나사공(132)과 구멍(131)을 통해 비교적 긴 보울트(Long Bolt)(134)를 나사 조임시켜 준 후 철재거푸집(130')의 내측으로 돌출된 긴 보울트(134)에 긴 너트(Long Nut)(133')를 나사 결합시킨 상태로 철재 거푸집(130')으로 철근(16)을 매설하여 콘크리트(C)을 타설 양생한 후 상기의 긴 보울트(134)를 나해(螺解)하면 양생된 ＰＳＣ 교량용 빔(130)으로부터 철재 거푸집(130')의 탈거을 용이하게 실시할 수 있다.First, the forming method of the PSC bridge beam 130 uses a steel formwork (Steel From) (130 '), by drilling a hole 131 at a predetermined position on the upper and lower sides of both sides of the steel formwork (130') at a predetermined position. However, after welding and fixing a short nut 133 having a screw hole 132 having the same diameter as the hole 131 on the outside thereof, a relatively long bolt through the screw hole 132 and the hole 131 is fixed. (Long Bolt) (134) after screwing the long bolt (134 ') protruding into the long bolt (134) protruding inward of the iron formwork 130' steel formwork in a state in which the long nut (133 ') screwed together ') After embedding reinforcing bar 16 to pour concrete (C) and curing the long bolt 134, the steel formwork (130') from the cured beam for beams 130 Removal can be performed easily.

이렇게 성형 제작된 ＰＳＣ빔(130)의 양쪽 측면 상하부에는 긴너트(133')가 끼움될 수 있는 상태의 삽탈공(135)(135')을 구비하고 있다.The upper and lower sides of both sides of the molded PSC beam 130 are provided with insertion and insertion holes 135 and 135 ′ in which the long nuts 133 ′ can be fitted.

이와같이 성형 제작된 ＰＳＣ빔(130)으로 교량(도시생략)을 시공할때는 종래와 같은 방법으로 교각(10)위에 다수개를 안착시킨 상태에서 슬라브 콘크리트(C)를 타설하기 위한 슬라브 거푸집(14)과 난간용 거푸집(17)은 빔(130)의 양쪽 측면상부에 형성된 삽탈공(135)을 이용하여 각각의 빔(130)과 사이를 "ㄷ"자형 채널 (Channel)(136)에 뚫린 통공(136')을 상기의 삽탈공(135)과 일치시켜 긴 보울트( 134)로 나사 고정하고 까치발(18)은 이의 각부(18')로 뚫린 통공(136")을 삽탈공(135)과 일치시켜 역시 긴 보울트(134)로 나사 고정시킨 후 수직부(18")는 버팀각재(18"')로 빔(130)의 측면과 사이로 지지시켜 까치발(18)을 견고히 설치한다.When constructing a bridge (not shown) with the molded PS beam 130 as described above, the slab formwork 14 for placing the slab concrete (C) in a state in which a plurality of seats are mounted on the piers 10 in the same manner as the conventional method. Handrail formwork 17 is a through-hole (136) drilled between the beam 130 and the "C" -shaped channel (136) between the insertion hole 135 formed on both sides of the beam 130 ') Is matched with the above-mentioned insertion hole 135 and screwed with a long bolt 134 and the bracket foot 18 matches the insertion hole 135 with the through hole 136 " After screwing with a long bolt 134, the vertical portion 18 "is supported by the brace angle 18" 'between the side of the beam 130 and installs the bracket 18 firmly.

또한 안전망(19)의 설치는 고리공(137)을 가지는 걸고리(137')을 긴 보울트 (134)로 끼움하여 빔(130)의 양쪽 측면하부에 형성한 삽탈공(135')으로 나사 조정한 다음 상기 걸고리(137')에 안전망(19)을 구비하는 강관(21)이 얹혀지는 각재(20)를 걸어서 안전시설을 마련한 후 슬라브 거푸집(14)과 난간용 거푸집(17)의 상부로 슬라브 콘크리트(C)의 타설작업을 시공하는 것이며, 또 시공후 이들을해체할때는 삽탈공(135)(135')으로 나사 고정된 긴보울트(134)을 풀어(나해)주는 간단한 적업으로 실시할 수 있을 뿐만 아니라 시공후 유지보수를 할 경우에도 상기와 같은 동일한 방법으로 보수시공이 용이하여 교량을 가설하는데 있어 매우 유용한 구조의 빔과 시공방법을 제공한다.In addition, the installation of the safety net 19 is screwed into the insertion hole 135 'formed on both sides of the lower side of the beam 130 by fitting the hook 137' having the ring hole 137 with a long bolt 134. Next, the slab concrete 14 is placed on top of the slab formwork 14 and the railing formwork 17 after the safety of the slab formwork is placed on the hook 137 ′ by placing the lumber 20 on which the steel pipe 21 having the safety net 19 is placed. (C) is to place the work, and when dismantling them after the construction can be carried out by a simple task of releasing (releasing) the long bolt 134 screwed by the insertion and removal holes (135) (135 ') as well as In the case of maintenance after construction, the repair and construction are easy in the same way as described above, and a beam and a construction method having a very useful structure for laying a bridge are provided.

이상에서 설명한 바와 같이 본 발명은 ＰＳＣ교량용 빔의 양쪽 상하측면부에 일정한 간격으로 긴 보울트의 삽탈을 용이하게 할 수 있는 삽탈공을 ＰＳＣ빔 거푸집(Steel Form)에 의해 성형 제작시 형성되도록 하므로서 교량을 시공할때 슬라브 거푸집 설치용 "ㄷ"자형 채널(Channel)과 난간용 거푸집 설치용 까치발 및 안전시설용 안전망의 강관이 얹혀지는 각재를 걸 수 있는 걸고리의 체결을 긴 보울트로 간단히 삽탈공으로 나사 조임하여 슬라브 콘크리트의 시공작업을 실시할 수 있고, 또 시공후에 유지보수를 할 때도 이들을 이용하여 동일한 방법으로 실시 가능하기 때문에 인건비의 절약과 시공기의 단축은 물론 시공시의 안전성을 높이하는 등의 반영구적인 경제성도 제공하는 유용한 발명이다.As described above, the present invention allows the bridge to be formed at the time of forming and forming by inserting the boring hole which can facilitate the insertion and removal of the long bolts at regular intervals on both upper and lower side portions of the beam for the PSC bridge by the PS form. When installing, slab concrete is fastened by screwing it with a long bolt to fasten the hook which can hang the "c" shaped channel for installing slab formwork, bracket for installing formwork for railing and steel pipe of safety net for safety facilities. It is possible to carry out the construction work and to perform maintenance in the same way by using them, so it is possible to save labor costs, shorten the construction equipment, and increase the safety of construction. It is a useful invention to provide.

Claims (4)

철재 거푸집(130')을 이용하여 ＰＳＣ교량용 빔(130)을 성형함에 있어서,In forming the PSC bridge beam 130 by using the steel formwork 130 ′, 상기 철재 거푸집(130')의 양쪽 상하측면부에 일정한 간격으로 뚫린 구멍(131)과 일치시켜 그 외측에 나사공(132)을 가지는 짧은 너트(133)을 용접 고정시켜서 이에 긴보울트(134)을 나사 조임한 후 그 내측으로 돌출된 상기 긴 보울트(134)에 또 다른 긴너트(133')을 나사 결합시킨 상태로 철재 거푸집(130')에 철근을 매설하여 콘크리트을 타설 양생한 다음 긴 보울트(134)를 나해하고 거푸집 (130')을 탈거시켜 성형하는 것을 특징으로 한 ＰＳＣ교량용 빔.The long bolt 134 is screwed by fixing the short nut 133 having a screw hole 132 on the outside by matching the holes 131 drilled at regular intervals on both upper and lower side portions of the steel formwork 130 ′. After tightening, reinforcing steel in the steel formwork 130 ′ while screwing another long nut 133 ′ to the long bolt 134 protruding inward to pour concrete, and then curing the long bolt 134. Beam beam for the PSC bridge, characterized in that for removing and forming the mold (130 '). ＰＳＣ교량용 빔(130)의 양쪽 상하 측면부에 형성된 삽탈공(135)(135')에 긴보울트(134)을 이용하여 "ㄷ"자형 채널(136)과 까치발(18) 및 걸고리(137')의 고리공(137)을 나착 체결 한 후 이에 슬라브 거푸집(14)과 난간용 거푸집(17) 및 안전망(19)의 설치을 용이하게 함을 특징으로 하는 ＰＳＣ교량용 빔을 이용한 시공방법.Using the long bolt 134 in the insertion and exit holes 135 and 135 'formed at both upper and lower side portions of the PCS beam beam 130, the "c" -shaped channel 136, the bracket claw 18 and the hook 137'. The method of using a beam for the PSSC bridge, characterized in that after the fastening and fastening the ring hole (137) of the slab formwork (14) and handrail formwork (17) and the safety net (19). 제2항에 있어서,The method of claim 2, 상기의 "ㄷ"자형 채널(136)은 삽탈공(135)(135')과 일치하는 간격으로 통공(136')이 뚫려지는 것을 사용함을 특징으로 하는 ＰＳＣ 교량용 빔을 이용한 시공방법.The "c" shaped channel (136) is a construction method using a beam for the PSPS bridge, characterized in that the through hole (136 ') is used to be drilled at intervals coincident with the insertion hole (135) (135'). 제2항에 있어서,The method of claim 2, 상기 까치발(18)은 각부(18')로 통공(136')이 뚫려진 것을 사용함을 특징으로 하는 ＰＳＣ교량용 빔을 이용한 시공방법.The bracket foot (18) is a construction method using a beam for the PSC bridge, characterized in that the through hole (136 ') to be used in the corner portion (18').
KR1020020000876A 2002-01-08 2002-01-08 PCCbridge beam and method of constructing the same KR20030060263A (en)

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KR100469638B1 (en) * 2002-09-30 2005-02-07 주식회사 만영엔지니어링 Support construction for slab of prestressed concrete beam of bridge
KR100667164B1 (en) * 2004-07-06 2007-01-12 (주)한국해외기술공사 A Forming Method For PSC Beam in whieh Bars are Laid
CN106012848A (en) * 2016-06-08 2016-10-12 江苏燕宁建设工程有限公司 Construction method for embedded bracket of cast-in-place box beam and bridge

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KR890013285A (en) * 1988-02-19 1989-09-22 최용권 Fish-beam bridge construction method using adjustable bracket device
KR890023055U (en) * 1988-05-31 1989-12-02 삼환기업 주식회사 Leveling and fixing device for formwork in prefabricated bridge hypothesis
JPH0369424A (en) * 1989-08-02 1991-03-25 Toppan Printing Co Ltd Container filling apparatus
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100469638B1 (en) * 2002-09-30 2005-02-07 주식회사 만영엔지니어링 Support construction for slab of prestressed concrete beam of bridge
KR100667164B1 (en) * 2004-07-06 2007-01-12 (주)한국해외기술공사 A Forming Method For PSC Beam in whieh Bars are Laid
CN106012848A (en) * 2016-06-08 2016-10-12 江苏燕宁建设工程有限公司 Construction method for embedded bracket of cast-in-place box beam and bridge
CN106012848B (en) * 2016-06-08 2018-02-06 江苏燕宁建设工程有限公司 A kind of pre-buried bracket construction method of cast-in-situ box girder and bridge

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