WO2019156274A1 - Procédé de construction de pont temporaire utilisant la tension d'un boulon à haute tension pour réguler une déviation de poutre - Google Patents

Procédé de construction de pont temporaire utilisant la tension d'un boulon à haute tension pour réguler une déviation de poutre Download PDF

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Publication number
WO2019156274A1
WO2019156274A1 PCT/KR2018/002000 KR2018002000W WO2019156274A1 WO 2019156274 A1 WO2019156274 A1 WO 2019156274A1 KR 2018002000 W KR2018002000 W KR 2018002000W WO 2019156274 A1 WO2019156274 A1 WO 2019156274A1
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WO
WIPO (PCT)
Prior art keywords
girder
tension
steel pipe
bolt
main
Prior art date
Application number
PCT/KR2018/002000
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English (en)
Korean (ko)
Inventor
조채영
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조채영
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Publication date
Application filed by 조채영 filed Critical 조채영
Publication of WO2019156274A1 publication Critical patent/WO2019156274A1/fr

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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
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal
    • E01D2101/32—Metal prestressed

Definitions

  • the present invention relates to a construction method of temporary bridges, in particular to control the deflection of the tip according to the introduction of the tension of the high-strength bolt at the joint to shorten the air by assembling the flow beam between the piled steel pipe pile and the girder quickly
  • the present invention relates to a method for constructing a temporary bridge for controlling girder deflection by introducing tension of a high tension bolt.
  • temporary bridges are used for various purposes, such as temporary detours for the construction of new bridges, moving passages of equipment, and temporary groups for construction.
  • the temporary bridge construction method used in Korea is mainly used the temporary bridge construction method using the simple H-beam or externally tensioned H-beam and the long-term prefabricated construction bridge construction method using the truss girder.
  • the main girder is later constructed in the state that the pile is pre-installed on the sea.
  • the installation position of the pile is at sea, it is difficult to locate the pile and the construction cost increases because the barge should be put on the barge when the pile is constructed.
  • a separate worktable for cutting the head and connecting the girder must be installed around the pile, thereby increasing the construction period. Therefore, the method to shorten the construction of the pile in the construction of the temporary bridge is required.
  • Korean Patent Registration No. 10-0939484, a temporary bridge and a construction method thereof are proposed. It comprises the steps of installing a plurality of temporary tents made of steel poles woven in a square or triangle at regular intervals; Fixing the mold consisting of upper, lower flange and abdomen in the longitudinal direction on the upper surface of the temporary vents; The reinforcement formed of a vertical portion welded vertically to the abdomen of the mold and a horizontal portion disposed horizontally at the lower end of the vertical portion and welded to the upper and lower flanges of the mold are integrally formed on both ends and the lower flange of the mold.
  • H beams consisting of upper and lower flanges and an abdomen are arranged, and at the same time, the lower flange of the H beam is cut at regular intervals, and a cross beam is formed at an incision, and is welded at right angles to the lower surface of the incision.
  • the horizontal beam assembly consisting of a reinforcing plate formed with bolt holes to fasten the high-strength bolt is fastened to the upper flange of the mold by the reinforcing plate is coupled to the reinforcement by the high-strength bolt in the direction perpendicular to the mold and fixed to the abdomen of the cross beam to the reinforcement ; It characterized in that the step consisting of fixing the deck plate in a perpendicular direction between the cross beam upper surface of the cross beam assembly.
  • the background art is to install a plurality of continuous cross beam assembly on the upper surface of the mold, and to install a deck plate thereon, to distribute the load to the mold to minimize direct load transfer, to reduce the damage of the deck plate to reduce the traffic Secure driving stability.
  • the background art is a method of installing a mold after installing the temporary vent at regular intervals, and when the temporary vent is installed at sea, it is difficult to accurately position the prop, and shorten the air of the temporary bridge according to the installation of the temporary vent. There is no problem.
  • Another technology that is the background of the present invention is Korean Patent Registration No. 10-1614253, 'cantilever construction method of the temporary bridge' has been proposed. This is to connect the girders that form the upper structure of temporary bridges in the form of cantilever beams so that steel pipe piles can be quickly constructed through the guiding guide beams, and the working platform and railings installed on the girders can be used to secure a safe working path for workers. It is.
  • the background art has a limitation in shortening the air by increasing the number of air due to the construction of the auxiliary pile, the installation of the beam for limiting the girder deflection, the installation of the chain block to prevent sagging of the girder during the construction process.
  • the present invention is to control the deflection of the tip according to the introduction of the high tension bolt tension in the girder to quickly assemble the flow beam between the piled steel pipe pile and the girder to shorten the air by introducing tension of the high tension bolt
  • the purpose is to provide a temporary bridge construction method to control the girder deflection.
  • the first flow beam is assembled in the transverse direction on the upper end of the first steel pipe pile, Arrange and fix a plurality of first girders on the first flow beam on a line designated in the throttle direction, install a deck plate on the upper surface of the first girder, and mount a crane on the deck plate to prepare for lifting of the main girder.
  • the clamp block is disposed on the upper surface of the girder junction side girder lower flange is fastened with a high tension bolt and the lower connecting plate disposed on the lower surface of the girder junction side girder lower flange;
  • the girder junction side girder lower flange is formed larger than the diameter of the high tension bolt and is characterized by having an expansion hole into which the high tension bolt is inserted.
  • the clamp block is made of a steel material characterized in that made of a bridge having a stepped portion between the footrest portion, the footrest portion in contact with the girder lower flange at both ends.
  • the main girder has a pair of H beams parallel to each other in the workshop and a cross beam connected at right intervals at regular intervals along a length direction between the pair of H beams in a state of integral assembly. It is lifted and characterized by installing two girder lines at once.
  • the last one girder line remaining is additionally installed with a single H beam and is connected to a neighboring main girder through a cross beam.
  • the main girder is introduced into the tension by the clamp block fastened with the high-strength bolt at the joint portion to form a lifting angle for preventing girder sagging at the tip 2
  • the flow beam can be quickly installed on the piled steel pipe pile.
  • the second flow beam is quickly moved between the driven steel pipe pile and the main girder by controlling the deflection of the tip of the main girder without the need of installing the auxiliary pile, installing the beam for limiting the girder deflection, and installing the chain block.
  • the air can be significantly shortened.
  • the deck plate is installed while the main girder is connected in the form of cantilever beam, it is possible to secure the head cutting arrangement of the steel pipe pile and the connection of the second flow beam, thereby improving construction safety and using barges at sea.
  • the use of the steering guide has the advantage of easy construction of the steel pipe pile.
  • 1a to 12b is a construction state diagram according to the construction procedure of the construction method of the construction bridge construction to control the girder deflection by the tension of the high-strength bolt according to the present invention.
  • 1A and 1B are a front view and a plan view showing a girder lifting preparation state of a crane.
  • FIGS. 2A and 2B are front and plan views showing the lifting and connecting states of the main girder by the crane;
  • FIG. 3A is an enlarged view of portion 'A' of FIG. 2A and is a diagram illustrating an installation state of the girder joint side clamp block.
  • FIG. 3A is an enlarged view of portion 'A' of FIG. 2A and is a diagram illustrating an installation state of the girder joint side clamp block.
  • FIG. 3B is a cross-sectional view of the high tension bolt side shown in FIG. 3A.
  • FIG. 3C is a perspective view of a part shown in FIG. 3A in a perspective view.
  • 3D is a perspective view of a clamp applied to the present method.
  • 3E is a state diagram in which a web connecting plate is fastened to the web of the girder after the sagging of the main girder is suppressed.
  • 4A and 4B are a front view and a plan view showing a construction state of the deck plate after suppressing the deflection of the main girder.
  • 5A and 5B are a front view and a plan view showing an installation state of a steel pipe pile work bench.
  • 6A and 6B are a front view and a plan view showing a working state in which the steel pipe pile is driven with a vibratory hammer.
  • 7A and 7B are a front view and a plan view showing a working state in which the steel pipe pile is driven with a hydraulic hammer.
  • 8A and 8B are a front view and a plan view showing a working state for arranging the head of the steel pipe pile.
  • 9A and 9B are front and plan views showing the installation state of the second flow beam with the clamp removed;
  • 10a and 10b is a front view and a plan view showing the upper welding after bolted to the girder junction through the upper, lower connecting plate and the web connecting plate.
  • 11A and 11B are a front view and a plan view showing an installation state of a center girder.
  • 12A and 12B are front and plan views showing the installation state of the cross beam between the center girder and the main girder.
  • a 'bridge direction' a direction perpendicular to the bridge direction
  • a 'bridge perpendicular direction' a direction perpendicular direction
  • the first steel pipe pile 11 is double-inserted into the start end or the end side of the temporary bridge, and then the first flow beam 21 is throttled on the upper end of the first steel pipe pile 11. Assemble and install at right angles.
  • the plurality of first girders 31 are fixed on the first flow beam 21 on the line designated in the axial direction, and the deck plate 30 is installed on the upper surface of the first girders 31 before the crane. Mount the 100 to the deck plate 30 to prepare the lifting of the main girder 32 to be constructed.
  • the first steel pipe pile 11 is constructed in two rows and two columns, but may be additionally constructed in the direction perpendicular to the bridge according to the width of the temporary bridge.
  • the first flow beam 21 is assembled to a pile cap 11a whose lower surface is provided on the upper end side of the first steel pipe pile 11.
  • the first flow beam 21 is fastened by fastening means of bolts and nuts, respectively, while its upper surface is in contact with the lower flange of the first girder 31.
  • the temporary bridge has a structure in which the first girder 31 is constructed on the first to fifth lines, but is not limited to the number of such lines.
  • the crane 100 has a sufficient working radius to lift the main girder 32 described later from the work site beyond the entire area of the deck plate 30 disposed on the first girder 31.
  • the opening angle ⁇ has a step of introducing tension such that a constant girder prevention lifting angle ⁇ is generated at the tip of the main girder 32.
  • the lower connecting plate 41 is disposed on the lower surface of the girder joint side girder lower flanges 311 and 321
  • the clamp block 42 is disposed on the upper surface of the lower girder flanges 311 and 321
  • the lower connecting plate 41 is disposed.
  • the clamp block 42 are fastened by the high tension bolt 45 and the lock nut 46.
  • the girder joint side girder lower flanges 311 and 321 have expansion holes 311a and 321a which are formed larger than the diameter of the high tension bolt 45 as shown in FIG. 3B and into which the high tension bolt 45 is inserted, and as shown in FIG. 3D.
  • the 42 is made of steel and consists of the bridge 422 having the step portions 421 and 421 which are in contact with the lower girder flanges 311 and 321 at both ends, and the groove 422a elongated between the foot portions 421 and 421.
  • the groove portion 422a formed in the clamp block 42 is to allow bending of the bridge 422 according to the lifting angle ⁇ for preventing the drooping.
  • the main girder 32 is arranged at right angles at regular intervals along the longitudinal direction between the pair of H beams 32a and 32a and the pair of H beams 32a and 32a which are side by side in the workplace.
  • the connected cross beam 32b is lifted in a state of being assembled and fabricated integrally, and two girder lines are installed at one time.
  • the main girder 32 is installed to the left and right, respectively, and lines 1, 2 and 4 and 5 are respectively installed at once. Therefore, the girder is not yet installed in the third line in the center.
  • the web connecting plate 47 is fastened and connected to both webs 312 and 322 on the girder joint side by using a plurality of web fastening bolts 49 to maintain the lifting angle ⁇ for preventing the drooping.
  • the opening angle ⁇ is maintained together at the girder junction.
  • the deck plate 30 is installed on the upper surface of the main girder 32 as shown in Figs. 4a and 4b. Therefore, in the present embodiment, the deck plate 30 is installed on the 1,2 lines and 4,5 lines. At this time, the deck plate 30 is made only a partial section until the driving position of the steel pipe pile. This is for the installation of steel pipe pile work platform 50 to be described later.
  • the driving guide 52 is assembled in the surveyed position of the main girder 32. At this time, the measurement guide is made so that the driving guide 52 is placed in the set position.
  • the second steel pipe pile 12 is lifted by the crane 100 to receive the guide of the driving guide 52 and to intrude into the ground.
  • This penetration operation is primarily after the second steel pipe pile 12 is driven through the vibration hammer 200, and secondly remove the steel pipe pile work platform 50 as shown in Figure 7a and 7b after the hydraulic hammer 210 Can be achieved by driving until the allowable rebound is measured.
  • the deck plate 30 is installed in the remaining section on the upper surface of the main girder 32.
  • a pile cap 23 is installed on the second flow beam 22, and the second flow beam 22 is lifted by the crane 100 to the lower portion of the main girder 32.
  • the second flow beam 22 is provided.
  • the second flow beam 22 may be assembled to the lower portion of the main girder 32 through bolt fastening means.
  • the web connecting plate 47 is unfastened and the tension is removed so that the opening angle ⁇ and the lifting angle ⁇ for preventing the drooping are eliminated.
  • the tension is removed by removing the clamp block 42. That is, it is possible to disassemble the high tension bolt 45 and the lock nut 46 provided with the clamp block 42, and to loosen the web connecting plate 47 fastened to both webs 312 and 322.
  • the main girder 32 maintains the horizontal state by removing the lifting angle ⁇ for preventing the girder sag.
  • the web connecting plate 47 is again fastened to both webs 312 and 322 on the girder joint side, and the girder joint side flange is connected with the lower connecting plate 41 and the upper connecting plate 43. Fasten (311, 321) with bolts and nuts. Thereafter, the upper part of the joint surface of the main girder 32 and the first girder 31 is welded.
  • tension is introduced by the clamp block 42 in which the main girders 32 are fastened by the high tension bolts 45 at the joints, and a lifting angle ⁇ for preventing girder sagging is formed at the tip.
  • the second flow beam 22 can be quickly installed on the driven second steel pipe pile 12.
  • the second steel pipe pile 12 and the main girder driven by controlling the deflection of the tip of the main girder 32 without the need for the construction of the auxiliary pile, the installation of the beam for limiting the girder deflection, and the installation of the chain block.
  • the second flow beam 22 By allowing the second flow beam 22 to be assembled quickly between 32, the air can be significantly shortened.
  • the deck plate is installed while the main girders are connected in the form of cantilever beams, the head cutting arrangement of the second steel pipe pile 12 and the connection of the second flow beams 22 can be safely performed. Improved, there is no need to drive the pile using the barge at sea, and the use of the driving guide 52 has the advantage of easy construction of the steel pipe pile.
  • the main girder is introduced by the clamp block fastened with a high-tensile bolt at the joint portion to form a lifting angle for preventing girder droop at the tip, thereby rapidly constructing the second flow beam to the piled steel pipe pile, thereby providing air.
  • the deck plate is installed while the main girder is connected in the form of a cantilever beam, and the head cutting and arranging work of the steel pipe pile and the connection of the second flow beam can be safely performed. It is unnecessary to work the pile using the barge at sea, it is a very useful invention that the construction of the steel pipe pile is easy because the use of the navigation guide.

Abstract

La présente invention concerne un procédé de construction de pont temporaire utilisant la tension d'un boulon à haute tension pour réguler une déviation de poutre, dans lequel la tension d'une pince est introduite dans une partie de raccordement d'une poutre pour réguler la déviation d'une partie d'extrémité distale de cette dernière, de sorte qu'une traverse de plancher peut être rapidement assemblée entre un pieu tubulaire en acier entraîné et une poutre et peut ainsi réduire une période de construction.
PCT/KR2018/002000 2018-02-09 2018-02-19 Procédé de construction de pont temporaire utilisant la tension d'un boulon à haute tension pour réguler une déviation de poutre WO2019156274A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180016525A KR101914002B1 (ko) 2018-02-09 2018-02-09 고장력 볼트의 장력 도입으로 거더 처짐을 제어하는 가설교량 시공 방법
KR10-2018-0016525 2018-02-09

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WO2019156274A1 true WO2019156274A1 (fr) 2019-08-15

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WO (1) WO2019156274A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112095439A (zh) * 2020-09-07 2020-12-18 中国建筑第八工程局有限公司 峡谷隧道间运输平台施工方法及其结构
CN112411380A (zh) * 2020-09-27 2021-02-26 中铁城建集团有限公司 一种预制箱梁多机联吊跨河架设施工方法

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KR102273565B1 (ko) 2019-02-12 2021-07-05 박상현 Sw거더를 구비한 가설구조물 및 그 가설구조물의 시공방법
CN112144413B (zh) * 2020-09-28 2021-11-05 贵州大通路桥工程建设有限公司 一种山区钢混组合梁整跨原位拼装架设方法
CN114214955B (zh) * 2021-12-28 2024-03-22 武船重型工程股份有限公司 一种跨桥钢板梁的架设方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166527A (ja) * 1990-10-29 1992-06-12 Ohbayashi Corp 梁部材の接続構造
JPH0853883A (ja) * 1994-08-10 1996-02-27 Sekisui Chem Co Ltd 傾斜構面を備えた建物ユニットにおける梁接合構造
JPH10273935A (ja) * 1997-01-31 1998-10-13 Nippon Light Metal Co Ltd 構造材の連結構造
JPH10317509A (ja) * 1997-05-20 1998-12-02 Nippon Steel Corp 鋼構造物におけるボルト接合構造
KR101744437B1 (ko) * 2016-02-23 2017-06-07 이종란 캠버를 이용한 가설교량의 시공방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04166527A (ja) * 1990-10-29 1992-06-12 Ohbayashi Corp 梁部材の接続構造
JPH0853883A (ja) * 1994-08-10 1996-02-27 Sekisui Chem Co Ltd 傾斜構面を備えた建物ユニットにおける梁接合構造
JPH10273935A (ja) * 1997-01-31 1998-10-13 Nippon Light Metal Co Ltd 構造材の連結構造
JPH10317509A (ja) * 1997-05-20 1998-12-02 Nippon Steel Corp 鋼構造物におけるボルト接合構造
KR101744437B1 (ko) * 2016-02-23 2017-06-07 이종란 캠버를 이용한 가설교량의 시공방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112095439A (zh) * 2020-09-07 2020-12-18 中国建筑第八工程局有限公司 峡谷隧道间运输平台施工方法及其结构
CN112411380A (zh) * 2020-09-27 2021-02-26 中铁城建集团有限公司 一种预制箱梁多机联吊跨河架设施工方法
CN112411380B (zh) * 2020-09-27 2023-11-14 中铁城建集团有限公司 一种预制箱梁多机联吊跨河架设施工方法

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