KR101169003B1 - Prestressed concrete girder rigid frame bridge and it's construction method - Google Patents

Prestressed concrete girder rigid frame bridge and it's construction method Download PDF

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KR101169003B1
KR101169003B1 KR1020110090966A KR20110090966A KR101169003B1 KR 101169003 B1 KR101169003 B1 KR 101169003B1 KR 1020110090966 A KR1020110090966 A KR 1020110090966A KR 20110090966 A KR20110090966 A KR 20110090966A KR 101169003 B1 KR101169003 B1 KR 101169003B1
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South Korea
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psc girder
psc
pier
alternating
steel
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KR1020110090966A
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Korean (ko)
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노윤근
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노윤근
우경기술주식회사
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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
    • 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges
    • 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
    • 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

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

Abstract

PURPOSE: A Rahmen bridge having a PSC girder and a construction method thereof are provided to reduce the height of the Rahmen Bridge by uniting a slab, an abutment, and a pier using PSC girders. CONSTITUTION: A construction method of a Rahmen bridge having a PSC girder is as follows. PSC(prestressed concrete) girders(14) are manufactured. Abutments(10) and piers where the PSC girders are installed are formed. Resin pads(24) are arranged on the rugged surfaces of the abutments and the piers. The PSC girders are installed on the abutments and the piers. The PSC girders are coupled to the abutments and the piers through first and second PS steel material(16,17). Third PS steel materials(20) are installed on the ends of the PSC girders and tense the PSC girders.

Description

ＰＳＣ 거더 라멘교 및 이의 시공방법{Prestressed concrete girder rigid frame bridge and it's construction method}Prestressed concrete girder rigid frame bridge and it's construction method

본 발명은 PSC 거더 라멘교 및 이의 시공방법에 관한 것으로, 특히 PSC 거더와 슬래브 및 교대, 교각이 일체화된 PSC 거더 라멘교 및 이의 시공방법에 관한 것이다.The present invention relates to a PSC girder ramen bridge and a construction method thereof, and more particularly, to a PSC girder ramen bridge and a construction method in which the PSC girder and the slab and alternation, piers are integrated.

일반적으로 라멘교를 시공함에 있어서, 라멘교는 형고를 많이 낮출 수 있는 장점이 있으나, 경간장이 짧아 널리 사용되지 못하고 있다.In general, when constructing a ramen bridge, the ramen bridge has a merit of lowering a lot of sentence, but the span is not widely used.

최근에는 프리플렉스빔들을 이용한 강합성 교량이 개발되어, 저형고, 장경간 라멘교를 구현하고 있으나, 교량 시공비용이 매우 고가여서 많은 재정낭비에도 다른 대안이 없어 부득이하게 많이 사용되고 있는 실정이다.Recently, composite bridges using preflex beams have been developed to implement low-profile, long-span ramen bridges, but the construction cost of bridges is very expensive, so many financial wastes have no alternatives.

또한, PSC 거더를 사용한 라멘교는 기술적으로는 가능하나, 강합성 라멘교와 같이 저형고, 장경간 구현이 곤란하여 매우 경제적인 거더임에도 불구하고 현장 적용성이 떨어져 사용되지 않고 있는 실정이다.In addition, although the ramen bridge using the PSC girders is technically possible, it is difficult to implement a low-profile and long span like a steel composite ramen bridge, and thus it is not economically used due to its low field applicability.

이에, 본 발명은 상기한 바와 같은 제문제점을 해결하기 위해 안출된 것으로, 공사비가 저렴한 PSC 거더를 이용하여 슬래브, 교대, 교각과 일체화시켜 라멘교의 형고를 낮출 수 있을 뿐만 아니라 장경간화가 가능하도록 한 PSC 거더 라멘교 및 이의 시공방법을 제공하는데 그 목적이 있다.Thus, the present invention was devised to solve the problems described above, by using a low cost PSC girder integrated with the slab, alternating, pier to reduce the height of the ramen bridge as well as to make the long span is possible. The purpose is to provide PSC girder ramen bridge and its construction method.

상기한 목적을 달성하기 위한 본 발명에 따른 PSC 거더 라멘교는 교대, 교각의 상부에 PSC 거더를 설치하고, 상기 PSC 거더를 수직방향 및 횡방향으로 교대, 교각과 PS강재로 결속하고, 상기 교대 후면의 PS강재정착부에서 PSC 거더의 단부에 상향으로 PS강재를 삽입, 설치하여 긴장함을 특징으로 한다.PSC girder ramen bridge according to the present invention for achieving the above object is to install a PSC girder on the top of the alternating, pier, the PSC girder in the vertical and transverse direction alternately, binding the pier with PS steel, the shift It is characterized by tension by inserting and installing the PS steel upwards at the end of the PSC girder at the PS steel fixing part of the rear side.

또한, 상기한 목적을 달성하기 위한 본 발명에 따른 PSC 거더 라멘교 시공방법은 청구항 1항 기재의 PSC 거더 라멘교를 시공하는 방법으로서, PSC 거더를 제작하는 단계; 상기 PSC 거더가 설치되는 상면이 요철면 형상으로 구성된 교대, 교각을 시공하는 단계; 상기 교대, 교각의 요철면에 수지패드를 삽입 설치하는 단계; 상기 교대, 교각 상에 PSC 거더를 설치하는 단계; 상기 PSC 거더를 수직방향 및 횡방향으로 교대, 교각과 PS강재로 결속하고, 교대 후면의 PS강재정착부에서 교대에 위치된 PSC 거더의 단부에 상향으로 PS강재를 삽입 설치하여 PSC 거더를 연속화 또는 2차 긴장함을 특징으로 한다.In addition, PSC girder ramen bridge construction method according to the present invention for achieving the above object is a method for constructing the PSC girder ramen bridge of claim 1, comprising the steps of: manufacturing a PSC girder; Constructing alternating and piers having an upper surface on which the PSC girder is installed to have an uneven surface shape; Inserting a resin pad into the uneven surface of the shift and piers; Installing a PSC girder on the alternating, pier; The PSC girders are joined with alternating, pier and PS steels in the vertical and transverse directions, and the PS steels are inserted upward and inserted into the ends of the PSC girders located alternately at the PS steel mounting portions at the rear of the alternating to continuously or continuously the PSC girders. It is characterized by secondary tension.

이상에서 설명한 바와 같이, 본 발명에 따른 PSC 거더 라멘교 및 이의 시공방법은 다음과 같은 효과가 있다.As described above, the PSC girder ramen bridge and its construction method according to the present invention has the following effects.

첫째, 본 발명은 PSC 거더를 슬래브와 일체로 제작하여 교대, 교각 상에 거치하면 PSC 거더와 슬래브의 합성 단면으로 저항하므로 전체적으로 거더의 형고를 많이 낮출 수 있는 이점이 있다.First, the present invention has the advantage that can be lowered as much as the overall height of the girder because the PSC girders integrally manufactured with the slab and mounted on the alternating, pier resistance to the composite cross section of the PSC girder and the slab.

둘째, 본 발명은 PSC 거더가 삽입될 수 있도록 요철면 형상으로 형성된 교대, 교각에 수지패드를 깔고, 그 위에 PSC 거더를 거치한 후, 교대, 교각에서 수직방향과 수평방향으로 PS강재로 결속하고, 슬래브 부분을 횡방향으로 결속한 후, 교대 후면에 연장 돌출된 PS강재정착부에서 PSC 거더 단부 방향으로 상향으로 연속화 또는 2차 PS강재를 긴장하면 교대의 인장 응력을 제어하면서 연속화를 하거나 활하중에 대응하여 성능이 향상된 저형고, 장경간의 완전한 라멘 구조체를 형성할 수 있는 이점이 있다.Second, the present invention is to put a resin pad on the alternating, pier formed in the shape of the uneven surface so that the PSC girder can be inserted, and after mounting the PSC girder thereon, binding to the PS steel in the vertical and horizontal directions in the alternating, pier After binding the slab in the transverse direction, the continuity or tension of the secondary PS steel upward in the direction of the end of the PSC girder at the PS steel fixing portion protruding from the rear side of the alternating portion, the continuity or the live load Correspondingly, there is an advantage in that it is possible to form a complete ramen structure having a low profile and a long diameter with improved performance.

셋째, 본 발명은 PSC 거더의 연속화를 위해 연속연결부에서 강판과 PS강재에 의해 연속 연결하여 연속연결 강성을 증가시킬 수 있다.Third, the present invention can increase the continuous connection rigidity by continuous connection by the steel plate and the PS steel in the continuous connection portion for the continuity of the PSC girder.

넷째, 본 발명은 PSC 거더에 유지관리 시스템을 구비하여 공용중 PSC 거더의 성능을 향상시킬 수도 있으며 교대 단부에서 슬래브는 PSC 거더보다 교대 후방으로 연장 설치되어 교대 상면에 위치시키므로 내구성과 시공성을 증대시킬 수 있다.Fourth, the present invention may be provided with a maintenance system on the PSC girders to improve the performance of the PSC girders in common, and at the end of the alternating slab is extended to the rear of the alternating position than the PSC girders to be located on the upper surface of the shift to increase the durability and workability Can be.

도 1은 본 발명에 따른 PSC 거더 라멘교가 단경간에 적용된 상태를 도시한 종단면도,
도 2는 도 1의 A-A'선 횡단면도,
도 3은 도 1의 B-B'선 횡단면도,
도 4는 도 1의 C-C'선 횡단면도,
도 5는 본 발명에 따른 PSC 거더 라멘교가 연속경간에 적용된 상태를 도시한 종단면도,
도 6은 도 5의 A-A'선 횡단면도,
도 7은 도 5의 B-B'선 횡단면도,
도 8은 도 5의 C-C'선 횡단면도,
도 9는 도 5의 D-D'선 횡단면도.1 is a longitudinal sectional view showing a state in which a PSC girder ramen bridge is applied to a short span according to the present invention;
2 is a cross-sectional view taken along line AA ′ of FIG. 1;
3 is a cross-sectional view taken along the line B-B 'of FIG.
4 is a cross-sectional view taken along line C-C 'of FIG.
5 is a longitudinal sectional view showing a state in which the PSC girder ramen bridge is applied to the continuous span according to the present invention;
6 is a cross-sectional view taken along the line AA ′ of FIG. 5;
7 is a cross-sectional view taken along line B-B 'of FIG. 5;
8 is a cross-sectional view taken along line C-C 'of FIG.
9 is a cross-sectional view taken along the line D-D 'of FIG.

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

도 1은 본 발명에 따른 PSC 거더 라멘교가 단경간에 적용된 상태를 도시한 종단면도, 도 2는 도 1의 A-A'선 횡단면도, 도 3은 도 1의 B-B'선 횡단면도, 도 4는 도 1의 C-C'선 횡단면도, 도 5는 본 발명에 따른 PSC 거더 라멘교가 연속경간에 적용된 상태를 도시한 종단면도, 도 6은 도 5의 A-A'선 횡단면도, 도 7은 도 5의 B-B'선 횡단면도, 도 8은 도 5의 C-C'선 횡단면도, 도 9는 도 5의 D-D'선 횡단면도이다.1 is a longitudinal cross-sectional view showing a state in which the PSC girder ramen bridge is applied to a short span, FIG. 2 is a cross-sectional view taken along the line A-A 'of FIG. 1, FIG. 3 is a cross-sectional view taken along the line B-B' of FIG. C-C 'cross-sectional view of Figure 1, Figure 5 is a longitudinal cross-sectional view showing a state in which the PSC girder ramen bridge is applied to the continuous span, Figure 6 is a cross-sectional view taken along line A-A' of Figure 5, Figure 7 FIG. 8 is a cross-sectional view taken along the line C-C 'of FIG. 5, and FIG. 9 is a cross-sectional view taken along the line D-D' in FIG.

이들 도면에 도시된 바와 같이, 본 발명에 따른 PSC 거더 라멘교(B)는 교대(10), 교각(12)의 상부에 PSC 거더(14)를 설치하고, 상기 PSC 거더(14)를 수직방향 및 횡방향으로 교대(10), 교각(12)과 PS강재(16, 17)로 결속하고, 상기 교대(10) 후면의 PS강재정착부(18)에서 PSC 거더(14)의 단부에 상향으로 PS강재(20)를 삽입, 설치하여 긴장한다.As shown in these figures, the PSC girder ramen bridge (B) according to the present invention is provided with a PSC girder 14 on top of the alternating 10, the pier 12, the vertical direction of the PSC girder 14 And transversely bind to the alternating 10, the pier 12, and the PS steels 16 and 17, and upwards at the end of the PSC girder 14 at the PS steel mounting 18 of the rear of the alternating 10. Insert and install the PS steel 20 to tension.

상기 교대(10), 교각(12)의 상면에는 요철면(22)이 형성되고, 상기 요철면(22)에 수지패드(24)가 삽입 설치된다.An uneven surface 22 is formed on the upper surface of the alternating 10 and the pier 12, and a resin pad 24 is inserted into the uneven surface 22.

상기 PSC 거더(14)는 상부의 슬래브(26)가 교대(10) 후면으로 돌출 연장되어 슬래브 돌출부(28)가 형성된다. The slab protrusions 28 are formed in the PSC girder 14 by the upper slab 26 protruding and extending toward the rear of the alternating 10.

이하, 상기한 바와 같은 구성으로 이루어진 본 발명에 따른 PSC 라멘교 시공에 대해 설명한다.Hereinafter, the construction of the PSC ramen bridge according to the present invention having the configuration as described above.

도 1 내지 도 9에 도시된 바와 같이, 본 발명에 따른 PSC 라멘교 시공방법은 청구항 1 내지 청구항 3항 중 어느 한 항 기재의 PSC 거더 라멘교(B)를 시공하는 방법으로서, PSC 거더(14)를 제작하는 단계; 상기 PSC 거더(14)가 설치되는 상면이 요철면(22) 형상으로 구성된 교대(10), 교각(12)을 시공하는 단계; 상기 교대(10), 교각(12)의 요철면(22)에 수지패드(24)를 삽입 설치하는 단계; 상기 교대(10), 교각(12) 상에 PSC 거더(14)를 설치하는 단계; 상기 PSC 거더(14)를 수직방향 및 횡방향으로 교대(10), 교각(12)과 PS강재(16, 17)로 결속하고, 교대(10) 후면의 PS강재정착부(18)에서 교대(10)에 위치된 PSC 거더(14)의 단부에 상향으로 PS강재(20)를 삽입, 설치하여 PSC 거더(14)를 연속화 또는 2차 긴장하여 시공하는 것이다.As shown in Figures 1 to 9, the PSC ramen bridge construction method according to the present invention is a method for constructing the PSC girder ramen bridge (B) of any one of claims 1 to 3, PSC girder 14 Manufacturing); Constructing an alternation (10) and an pier (12) having an upper surface on which the PSC girder (14) is installed in an uneven surface (22) shape; Inserting and installing a resin pad 24 in the uneven surface 22 of the shift 10 and the pier 12; Installing a PSC girder (14) on the alternating (10), pier (12); The PSC girder 14 binds to the alternating 10, the pier 12, and the PS steels 16 and 17 in the vertical and transverse directions, and alternates at the PS steel fixing unit 18 on the rear of the alternating 10 Inserting and installing the PS steel 20 to the end of the PSC girder 14 located in 10) to install the PSC girder 14 by continuous or secondary tension.

상기한 바와 같은 구성 및 시공으로 이루어진 본 발명에 따른 PSC 거더 라멘교(B)는 공사비가 저렴한 PSC 거더(14)를 라멘교로 활용하는 기술로서, PSC 거더(14)를 슬래브(26)와 일체로 제작하여 교대(10), 교각(12) 상에 거치하면 PSC 거더(14)와 슬래브(26)의 합성 단면으로 저항하므로 전체적으로 PSC 거더(14)의 형고를 많이 낮출 수 있다.PSC girder ramen bridge (B) according to the present invention made of a configuration and construction as described above is a technology that utilizes a low cost PSC girder 14 as a ramen bridge, the PSC girder 14 is integrated with the slab 26 When fabricated and mounted on the alternating 10 and the pier 12, the cross section of the PSC girder 14 and the slab 26 is resisted and thus the overall height of the PSC girder 14 can be significantly lowered.

또한, 상기 PSC 거더(14)가 삽입될 수 있도록 요철면(22) 형상으로 형성된 교대(10), 교각(12)에 수지패드(24)를 깔고, 그 위에 PSC 거더(14)를 거치한 후, 교대(10), 교각(12)에서 수직방향과 수평방향으로 PS강재(16, 17)로 결속하고, 슬래브(26) 부분을 횡방향으로 결속한 후, 교대(10) 후면에 연장 돌출된 PS강재정착부(18)에서 PSC 거더(14) 단부 방향으로 상향으로 연속화 또는 2차 긴장용 PS강재(20)를 삽입, 설치하여 긴장하면 교대(10)의 인장 응력을 제어하면서 연속화를 하거나 활하중에 대응하여 성능이 향상된 저형고, 장경간의 완전한 라멘 구조체를 형성할 수 있다.In addition, the resin pad 24 is placed on the alternating 10 and the pier 12 formed in the concave-convex surface 22 shape so that the PSC girder 14 can be inserted therein, and the PSC girder 14 is mounted thereon. In the alternating 10 and the pier 12, in the vertical direction and in the horizontal direction, the PS steel materials 16 and 17 are bound, and after the slab 26 is bound in the transverse direction, the protruding portion is extended to the rear of the alternating 10. Insertion and installation of the continuous or secondary tension PS steel 20 for upward direction toward the end of the PSC girder 14 from the PS steel fixing part 18 causes the continuity or active load while controlling the tensile stress of the shift 10. Correspondingly, it is possible to form a low-profile, long-length, complete ramen structure with improved performance.

그리고 상기 PSC 거더(14)의 연속화를 위해 연속연결부(30)에서 연속연결강판(32)과 PS강재(20)에 의해 연속 연결하여 연속연결 강성을 증가시킬 수 있다.In addition, the continuous connection of the PSC girder 14 by the continuous connection steel plate 32 and the PS steel 20 in the continuous connection portion 30 can be continuously connected to increase the continuous connection rigidity.

또한, 상기 PSC 거더(14)에 유지관리 시스템을 구비하여 공용중 PSC 거더(14)의 성능을 향상시킬 수도 있으며 교대(10) 단부에서 슬래브(26)는 PSC 거더(14) 보다 교대(10) 후미로 연장 설치되어 교대(10)의 상면에 위치시키므로 내구성과 시공성을 증대시킬 수 있다. In addition, the PSC girder 14 may be provided with a maintenance system to improve the performance of the shared PSC girder 14 and the slab 26 at the end of the alternating 10 may be shifted 10 than the PSC girder 14. Since it is extended to the rear end and placed on the upper surface of the shift 10, durability and workability can be increased.

10: 교대 12: 교각
14: PSC 거더 16: 수직방향 결속 PS강재
17: 횡방향 결속 PS강재
18: 연속화 또는 2차 긴장용 PS강재정착부
20: 연속화 또는 2차 긴장용 PS강재
22: 요철면 24: 수지패드
26: 슬래브 28: 슬래브 돌출부
30: 연속연결부 32: 연속연결강판
B: PSC 거더 라멘교10: shift 12: pier
14: PSC girder 16: vertical binding PS steel
17: Lateral binding PS steel
18: PS steel fixing part for continuous or secondary tension
20: PS steel for continuous or secondary tension
22: uneven surface 24: resin pad
26: slab 28: slab protrusion
30: continuous connection part 32: continuous connection steel sheet
B: PSC Girder Ramen Bridge

Claims (4)

교대(10), 교각(12)의 상부에 PSC 거더(14)를 설치하고, 상기 PSC 거더(14)를 수직방향 및 횡방향으로 교대(10), 교각(12)과 PS강재(16, 17)로 결속하고, 상기 교대(10) 후면의 PS강재정착부(18)에서 PSC 거더(14)의 단부에 상향으로 PS강재(20)를 삽입, 설치하여 긴장하며, 상기 교대(10), 교각(12)의 상면에는 요철면(22)이 형성되고, 상기 요철면(22)에 수지패드(24)가 삽입 설치되며, 상기 PSC 거더(14)는 상부의 슬래브(26)가 교대(10) 후면으로 돌출 연장되어 슬래브 돌출부(28)가 형성됨을 특징으로 하는 PSC 거더 라멘교. A PSC girder 14 is installed on the top of the alternating 10 and the pier 12, and the PSC girder 14 is alternately 10, the pier 12 and the PS steels 16 and 17 in the vertical and transverse directions. ), And the PS steel 20 is inserted into the end of the PSC girder 14 upward from the PS steel fixing part 18 at the rear of the shift 10 to install and tension the shift 10, the pier. An uneven surface 22 is formed on the upper surface of the 12, and a resin pad 24 is inserted into the uneven surface 22, and the slab 26 of the upper portion of the PSC girder 14 alternates 10. PSC girder ramen bridge, characterized in that the slab protrusions 28 are formed to protrude to the rear. 삭제delete 삭제delete 청구항 1항 기재의 PSC 거더 라멘교(B)를 시공하는 방법으로서,
PSC 거더(14)를 제작하는 단계;
상기 PSC 거더(14)가 설치되는 상면이 요철면(22) 형상으로 구성된 교대(10), 교각(12)을 시공하는 단계;
상기 교대(10), 교각(12)의 요철면(22)에 수지패드(24)를 삽입 설치하는 단계;
상기 교대(10), 교각(12) 상에 PSC 거더(14)를 설치하는 단계;
상기 PSC 거더(14)를 수직방향 및 횡방향으로 교대(10), 교각(12)과 PS강재(16, 17)로 결속하고, 교대(10) 후면의 PS강재정착부(18)에서 교대(10)에 위치된 PSC 거더(14)의 단부에 상향으로 PS강재(20)를 삽입 설치하여 PSC 거더(14)를 연속화 또는 2차 긴장함을 특징으로 하는 PSC 거더 라멘교 시공방법. As a method of constructing the PSC girder ramen bridge (B) according to claim 1,
Manufacturing the PSC girder 14;
Constructing an alternation (10) and an pier (12) having an upper surface on which the PSC girder (14) is installed in an uneven surface (22) shape;
Inserting and installing a resin pad 24 in the uneven surface 22 of the shift 10 and the pier 12;
Installing a PSC girder (14) on the alternating (10), pier (12);
The PSC girder 14 is coupled to the alternating 10, the pier 12 and the PS steels 16 and 17 in the vertical direction and the transverse direction, and alternates at the PS steel fixing portion 18 on the rear side of the alternating 10 PSC girder ramen bridge construction method characterized in that the PSC girder 14 is continuously or secondary tension by inserting and installing the PS steel 20 to the end of the PSC girder 14 located in 10).
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910522A (en) * 2020-08-05 2020-11-10 中建隧道建设有限公司 Active jacking auxiliary support construction system for beam-arch combined rigid frame lower chord arch support
KR102232907B1 (en) * 2020-08-20 2021-03-26 (주)국성건설엔지니어링 A bridge structure with prestressed concrete beam integrated slab
KR20220074551A (en) 2020-11-27 2022-06-03 주식회사 홍지 Composite Rahmen Structure And Method for Constructing the Same

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KR100836079B1 (en) 2008-01-08 2008-06-09 주식회사 지구코퍼레이션 Structure of precast half slab-girder unit and method constructing the slab of a bridge with it
KR100889273B1 (en) 2008-10-21 2009-03-18 주식회사 하이드로코리아 Construction method for rhamen bridge

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Publication number Priority date Publication date Assignee Title
KR100836079B1 (en) 2008-01-08 2008-06-09 주식회사 지구코퍼레이션 Structure of precast half slab-girder unit and method constructing the slab of a bridge with it
KR100889273B1 (en) 2008-10-21 2009-03-18 주식회사 하이드로코리아 Construction method for rhamen bridge

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Publication number Priority date Publication date Assignee Title
CN111910522A (en) * 2020-08-05 2020-11-10 中建隧道建设有限公司 Active jacking auxiliary support construction system for beam-arch combined rigid frame lower chord arch support
KR102232907B1 (en) * 2020-08-20 2021-03-26 (주)국성건설엔지니어링 A bridge structure with prestressed concrete beam integrated slab
KR20220074551A (en) 2020-11-27 2022-06-03 주식회사 홍지 Composite Rahmen Structure And Method for Constructing the Same

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