CN106702911B - A kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section - Google Patents

A kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section Download PDF

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Publication number
CN106702911B
CN106702911B CN201710056520.8A CN201710056520A CN106702911B CN 106702911 B CN106702911 B CN 106702911B CN 201710056520 A CN201710056520 A CN 201710056520A CN 106702911 B CN106702911 B CN 106702911B
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CN
China
Prior art keywords
rib
lifting
arch
bridge
cable
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Application number
CN201710056520.8A
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Chinese (zh)
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CN106702911A (en
Inventor
邓玉平
梁伟
陈治任
刘翠云
季跃华
潘东发
毛伟琦
涂满明
马涛
王英博
刘志燕
洪立
陈明辰
胡文静
潘昕
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中铁大桥局集团有限公司
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Priority to CN201710056520.8A priority Critical patent/CN106702911B/en
Publication of CN106702911A publication Critical patent/CN106702911A/en
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Publication of CN106702911B publication Critical patent/CN106702911B/en

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/10Cantilevered erection

Abstract

The present invention relates to bridge construction fields, disclose a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section, method includes the following steps: step S1: cable crane lifts by crane the rib-lifting section to be installed being located on the outside of bridge longitudinal centre line on arch rib platform for lining vertically, and rib-lifting section to be installed is moved to scaoffold;Step S2: the rib-lifting section to be installed on scaoffold is moved to arch rib lateral position to be installed along bridge lateral direction;Step S3: cable crane lifts by crane rib-lifting section to be installed vertically, and is moved to design position installation along bridge longitudinal direction.The present invention can effectively solve the problem that the lifting installation question of rib-lifting section among arch rib.

Description

A kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section

Technical field

The present invention relates to bridge construction fields, and in particular to a kind of secondary traversing lifting construction of cable-carried arch bridge rib-lifting section Method.

Background technique

The main arch of traditional large span cable-carried arch bridge in construction, installed by the lifting of multiple rib-lifting sections by arch rib, for The lifting of rib-lifting section is installed, if having water transport condition at arch bridge bridge site, cargo ship is arranged under arch bridge, by cargo ship Cable crane lift by crane arch rib, and arch rib vertical shift is mounted directly afterwards in place, in this way, in the installation process of arch rib In, it is only necessary to cargo ship moves in place along direction across bridge, while cable crane only lifts by crane a rib-lifting section, and along bridge longitudinal direction A mobile rib-lifting section, to complete the installation of entire arch rib.

If not having water transport condition at arch bridge bridge site, and land transportation condition is restricted, while construction site is narrow at bridge site, Heavy construction equipment marches into the arena, difficult arrangement, then needs to be arranged on the inside of the nearly arch springing of arch bridge arch rib assembly hoisting platform at this time, full The lifting installation of rib-lifting section is completed in sufficient arch rib transport and the lifting of cable crane requirement.

If not having water transport condition at arch bridge bridge site, and land transportation condition is restricted, while construction site and arch at bridge site Narrow at the nearly arch springing of bridge, arch rib assembly hoisting platform assembled at arch springing is limited to longitudinal length along bridge at this time, according to arch Rib segment moves once along bridge lateral, vertically moves primary construction technology along bridge, carries since cable crane does not have band Along bridge lateral mobile condition, and in the intermediate rib-lifting section of arch rib erection, rib-lifting section to be installed need to be upward positioned at bridge axle, Then when lifting by crane rib-lifting section to be installed, rib-lifting section to be installed and it segment has been installed will inevitably occur on vertical direction Spatial position conflict, the lifting channel of rib-lifting section to be installed blocks, and the construction for influencing entire arch rib segment is pacified Dress.

Summary of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide the two of a kind of cable-carried arch bridge rib-lifting section Secondary traversing construction method for hanging effectively solves the lifting installation question of rib-lifting section among arch rib.

To achieve the above objectives, the technical solution adopted by the present invention is that:

For lifting by crane the intermediate rib-lifting section of installation arch rib, the arch rib is made of multiple rib-lifting sections, described to apply Work method based on construction system include:

Cable crane is arranged along bridge longitudinal centre line direction;

Hoisting platform comprising the arch rib platform for lining that is set side by side at arch rib arch springing and along bridge longitudinal direction and Scaoffold, and the arch rib platform for lining and scaoffold are across bridge longitudinal centre line, the arch rib platform for lining height Lower than arch springing, the scaoffold height is higher than the arch rib at scaoffold;

It the described method comprises the following steps:

Step S1: cable crane lifts by crane the arch to be installed being located on the outside of bridge longitudinal centre line on arch rib platform for lining vertically Rib segment, and rib-lifting section to be installed is moved to scaoffold;

Step S2: the rib-lifting section to be installed on scaoffold is moved to arch rib lateral position to be installed along bridge lateral direction It sets;

Step S3: cable crane lifts by crane rib-lifting section to be installed vertically, and is moved to design position along bridge longitudinal direction Installation.

Based on the above technical solution, it is equipped on the arch rib platform for lining and scaoffold along bridge lateral side To sliding rail.

Based on the above technical solution, it is equipped on the arch rib platform for lining and scaoffold along bridge lateral side To sliding rail.

Based on the above technical solution, it is equipped on the arch rib platform for lining and scaoffold along bridge lateral side To sliding rail.

Based on the above technical solution, the step S1 specifically:

S1.1: sliding rail of the rib-lifting section to be installed of assembly completion on arch rib platform for lining is moved in bridge longitudinal direction On the outside of heart line, and rib-lifting section to be installed is located at cable crane along the moving range of bridge lateral direction;

S1.2: cable crane lifts by crane rib-lifting section to be installed vertically, and moves arch rib section to be installed along bridge longitudinal direction On section to scaoffold.

Based on the above technical solution, the step S2 specifically: move along the sliding rail that scaoffold is equipped with wait pacify Rib-lifting section is filled to arch rib lateral position to be installed.

Based on the above technical solution, the lifting on arch rib highly lower than the rib-lifting section of scaoffold is pacified Dress:

Sliding rail moves rib-lifting section to be installed to arch rib lateral position to be installed along arch rib platform for lining, and cable crane is perpendicular Rib-lifting section to be installed is directly lifted by crane, and is moved to design position installation along bridge longitudinal direction.

Based on the above technical solution, the sliding rail, which is equipped with, moves beam trolley, and rib-lifting section to be installed is by moving beam Trolley moves on the slide rail.

Compared with prior art, the advantages of a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section of the present invention It is: arch rib platform for lining and scaoffold is set at arch springing, and scaoffold is higher than the arch rib erection segment at arch springing, Installation for rib-lifting section intermediate on arch rib, the assembled rib-lifting section of arch rib platform for lining is lifted to after scaoffold again It is lifted by crane and is installed by cable crane, avoided directly lifting by crane rib-lifting section from arch rib platform for lining, pacify on rib-lifting section and arch rib Conflict on vertical spatial position occurs for dress rib-lifting section.

A kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section of the present invention is preferentially: high by setting In the scaoffold of arch rib platform for lining, rib-lifting section to be installed is first moved to cable along bridge lateral direction in arch rib platform for lining In rope loop wheel machine job area, cable crane lifts by crane rib-lifting section to be installed and is moved on scaoffold along bridge longitudinal direction, to Arch rib erection segment is moved to rib-lifting section lateral position to be installed along bridge lateral direction in scaoffold again, i.e. bridge is longitudinal On centerline direction, last cable crane lifts by crane rib-lifting section to be installed and is moved to design position installation along bridge longitudinal direction, For cable crane can not the characteristic that is moved along bridge lateral direction of load-carrying, when avoiding the intermediate rib-lifting section of arch rib erection, directly Pick up the rib-lifting section to be installed of bridge axle on hanging arch rib platform for lining to place, mounted arch at rib-lifting section to be installed and arch springing Collision conflict on vertical direction occurs for rib segment, efficiently solves the installation question of arch rib interstitial segment.

Detailed description of the invention

Fig. 1 is a kind of scheme of installation of the secondary traversing lifting construction system of cable-carried arch bridge rib-lifting section of the present invention;

Fig. 2 is the schematic diagram that rib-lifting section to be installed is located at arch rib platform for lining;

Fig. 3 is the schematic diagram that rib-lifting section to be installed is located at scaoffold.

In figure: 1- arch rib, 2- arch springing, 3- arch rib platform for lining, 4- scaoffold, 5- rib-lifting section to be installed, 6- sliding rail, 7- cable crane.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

The present invention provides a kind of secondary traversing lifting construction system of cable-carried arch bridge rib-lifting section, for lifting by crane installation arch bridge Arch rib 1 intermediate rib-lifting section, i.e., at non-looping bridge arch foot 2 near rib-lifting section, arch rib 1 is made of multiple rib-lifting sections, In the lifting installation for carrying out rib-lifting section, the rib-lifting section near arch springing 2, then the centre in arch rib erection 1 are generally first installed The arch rib 1 of rib-lifting section, the arch bridge in the present embodiment does not have the mode that installation is lifted by crane using water transport mode, while at arch springing 2 Landform is narrow.

Shown in Figure 1, the Lift-on/Lift-off System of this arch rib segment includes the cable along the setting of bridge longitudinal centre line direction Rope loop wheel machine 7, due to itself functional characteristic of cable crane 7, cable crane 7 can not be moved along bridge lateral direction hoist article at this time It is dynamic, otherwise there can be falling risk.The Lift-on/Lift-off System of arch rib segment further includes hoisting platform, and hoisting platform includes being located at arch At 1 arch springing 2 of rib and along arch rib platform for lining 3 and scaoffold 4 that bridge longitudinal direction is set side by side, and arch rib platform for lining 3 With scaoffold 4 across bridge longitudinal centre line, 3 height of arch rib platform for lining is lower than arch springing 2, and 4 height of scaoffold is higher than height Arch rib 1 at body panel 4, i.e. scaoffold 4 are higher than at scaoffold 4 mounted rib-lifting section on arch rib 1.Arch rib to be installed Segment is assembled on arch rib platform for lining 3 to complete, and arch rib platform for lining 3 is generally below arch springing 2, and scaoffold 4 is higher than arch springing 2, it is limited by landform is narrow at arch springing 2, arch rib platform for lining 3 and scaoffold 4 are respectively positioned on 2 inside of arch springing, and arch rib assembly is flat The sliding rail 6 along bridge lateral direction is additionally provided on platform 3 and scaoffold 4.

The present invention also provides a kind of the secondary of cable-carried arch bridge rib-lifting section based on above-mentioned secondary traversing lifting construction system Traversing construction method for hanging, the secondary traversing construction method for hanging of the cable-carried arch bridge rib-lifting section the following steps are included:

Step S1: cable crane 7 lifts by crane to be installed on the outside of bridge longitudinal centre line on arch rib platform for lining 3 vertically Rib-lifting section 5, i.e., rib-lifting section 5 to be installed are not at immediately below arch rib 1, are then moved to scaoffold along bridge longitudinal direction 4, specific:

S1.1: sliding rail 6 of the rib-lifting section to be installed 5 of assembly completion on arch rib platform for lining 3 is moved to bridge and is indulged On the outside of to center line, and rib-lifting section to be installed 5 is located at cable crane 7 along the moving range of bridge lateral direction, referring to fig. 2 institute Show, cable crane 7 in subsequent step is facilitated to lift by crane on rib-lifting section 5 to scaoffold 4 to be installed;

S1.2: cable crane 7 lifts by crane rib-lifting section 5 to be installed vertically, and moves arch rib to be installed along bridge longitudinal direction On segment 5 to scaoffold 4.

Step S2: it is to be installed to rib-lifting section that the rib-lifting section to be installed 5 on scaoffold 4 is moved along bridge lateral direction Lateral position, rib-lifting section lateral position to be installed are located on bridge longitudinal centre line direction, specifically, along scaoffold 4 The mobile rib-lifting section 5 to be installed of the sliding rail 6 being equipped with is equipped with to rib-lifting section lateral position to be installed along scaoffold 4 It is shown in Figure 3 on the mobile rib-lifting section 5 to bridge longitudinal centre line direction to be installed of sliding rail 6.

Step S3: the rib-lifting section to be installed 5 on lifting scaoffold 4 vertically of cable crane 7, and by arch rib section to be installed Section 5 is moved to design position installation along bridge longitudinal direction.

The erection sequence of the entire rib-lifting section of arch rib 1 is the rib-lifting section first installed near arch springing 2, then arch rib erection 1 Intermediate rib-lifting section, arch rib platform for lining 3 highly be generally below arch springing 2, therefore on arch rib 1 highly be lower than scaoffold 4 Rib-lifting section lifting installation: it is flat along arch rib assembly by good rib-lifting section to be installed 5 assembled on arch rib platform for lining 3 The mobile rib-lifting section 5 to be installed of sliding rail 6 is to rib-lifting section lateral position to be installed on platform 3, i.e., on bridge longitudinal centre line direction, Cable crane 7 lifts by crane rib-lifting section 5 to be installed vertically, and is moved to design position installation along bridge longitudinal direction.

Sliding rail 6, which is equipped with, moves beam trolley, and rib-lifting section 5 to be installed is moved on sliding rail 6 by moving beam trolley.

By the setting of arch rib platform for lining 3 and scaoffold 4, installation for the intermediate rib-lifting section of arch rib 1, For the characteristic that cable crane 7 can not be moved along the load-carrying of bridge lateral direction, by the arch rib completed assembled on arch rib platform for lining 3 Segment is first moved to 7 slinging work range of cable crane along bridge lateral direction, and is located at arch bridge longitudinal centre line direction Then outside is lifted by crane rib-lifting section by cable crane 7 vertically, and is moved on scaoffold 4 along bridge longitudinal direction, then It is moved on the rib-lifting section on scaoffold 4 to bridge longitudinal centre line direction along bridge lateral direction, last cable crane 7 rises Hang rib-lifting section and be moved to design position installation along bridge longitudinal direction, avoid directly lifting by crane on arch rib platform for lining 3 bridge axle to On rib-lifting section when, near mounted arch springing 2 rib-lifting section occur vertical direction on spatial position conflict, effectively Solve the installation question of the intermediate rib-lifting section of arch rib 1, and entire technique is smooth, it is highly-safe.

The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (7)

1. the secondary traversing construction method for hanging of a kind of cable-carried arch bridge rib-lifting section, for lifting by crane in installation arch rib (1) Between rib-lifting section, the arch rib (1) is made of multiple rib-lifting sections, the construction method based on construction system include:
Cable crane (7) is arranged along bridge longitudinal centre line direction;
Hoisting platform comprising be located at the arch rib platform for lining being set side by side at arch rib (1) arch springing (2) and along bridge longitudinal direction (3) and scaoffold (4), and the arch rib platform for lining (3) and scaoffold (4) are across bridge longitudinal centre line, the arch Rib platform for lining (3) is highly lower than arch springing (2), and the scaoffold (4) is highly higher than the arch rib (1) at scaoffold (4);
It is characterized in that, the described method comprises the following steps:
Step S1: cable crane (7) lifts by crane to be installed on the outside of bridge longitudinal centre line on arch rib platform for lining (3) vertically Rib-lifting section (5), and rib-lifting section to be installed (5) is moved to scaoffold (4);
Step S2: the rib-lifting section to be installed (5) on scaoffold (4) is moved to arch rib transverse direction to be installed along bridge lateral direction Position;
Step S3: cable crane (7) lifts by crane rib-lifting section to be installed (5) vertically, and is moved to design position along bridge longitudinal direction Set installation.
2. a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section as described in claim 1, it is characterised in that: The sliding rail (6) along bridge lateral direction is equipped on the arch rib platform for lining (3) and scaoffold (4).
3. a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section as described in claim 1, it is characterised in that: The sliding rail (6) along bridge lateral direction is equipped on the arch rib platform for lining (3) and scaoffold (4).
4. a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section as claimed in claim 3, which is characterized in that The step S1 specifically:
S1.1: sliding rail (6) of the rib-lifting section to be installed (5) of assembly completion on arch rib platform for lining (3) is moved to bridge On the outside of longitudinal centre line, and rib-lifting section to be installed (5) is located at cable crane (7) along the moving range of bridge lateral direction;
S1.2: cable crane (7) lifts by crane rib-lifting section to be installed (5) vertically, and moves arch rib to be installed along bridge longitudinal direction On segment (5) to scaoffold (4).
5. a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section as claimed in claim 4, which is characterized in that The step S2 specifically: the mobile rib-lifting section (5) to be installed of the sliding rail (6) being equipped with along scaoffold (4) is to be installed to arch rib Lateral position.
6. a kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section as claimed in claim 3, it is characterised in that: Lifting on arch rib (1) highly lower than the rib-lifting section of scaoffold (4) is installed:
Sliding rail (6) moves rib-lifting section (5) to be installed to arch rib lateral position to be installed, cable along arch rib platform for lining (3) Loop wheel machine (7) lifts by crane rib-lifting section to be installed (5) vertically, and is moved to design position installation along bridge longitudinal direction.
7. such as a kind of described in any item secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section of claim 4 to 6, Be characterized in that: the sliding rail (6), which is equipped with, moves beam trolley, and rib-lifting section (5) to be installed is moved up by moving beam trolley in sliding rail (6) It is dynamic.
CN201710056520.8A 2017-01-25 2017-01-25 A kind of secondary traversing construction method for hanging of cable-carried arch bridge rib-lifting section CN106702911B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101117792A (en) * 2007-08-22 2008-02-06 中铁大桥局股份有限公司 Erection method of large-span continuous steel truss arch
CN101117795A (en) * 2007-08-29 2008-02-06 中铁大桥局股份有限公司 Mounting method for steel case basket arch single-frame segment
CN101660295A (en) * 2009-09-28 2010-03-03 中铁八局集团第一工程有限公司 Hoisting method of arch bridge arch rib or beam body along bridge direction and used cable balance wheel
JP4430267B2 (en) * 2001-07-18 2010-03-10 三井住友建設株式会社 How to install arch ribs
CN102912730A (en) * 2012-11-05 2013-02-06 中国铁工建设有限公司 Hoisting construction method for single-rib closure rope of large-span reinforced concrete arch bridge
CN202809498U (en) * 2012-10-17 2013-03-20 张清标 Novel cable rope lifting system
CN104711933A (en) * 2015-03-26 2015-06-17 招商局重庆交通科研设计院有限公司 Reinforced concrete arch bridge construction method combined with cast-in-place cantilever method and stiff skeleton method
CN106087752A (en) * 2016-06-30 2016-11-09 中国化学工程第三建设有限公司 Multispan cable-carried arch bridge construction method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4430267B2 (en) * 2001-07-18 2010-03-10 三井住友建設株式会社 How to install arch ribs
CN101117792A (en) * 2007-08-22 2008-02-06 中铁大桥局股份有限公司 Erection method of large-span continuous steel truss arch
CN101117795A (en) * 2007-08-29 2008-02-06 中铁大桥局股份有限公司 Mounting method for steel case basket arch single-frame segment
CN101660295A (en) * 2009-09-28 2010-03-03 中铁八局集团第一工程有限公司 Hoisting method of arch bridge arch rib or beam body along bridge direction and used cable balance wheel
CN202809498U (en) * 2012-10-17 2013-03-20 张清标 Novel cable rope lifting system
CN102912730A (en) * 2012-11-05 2013-02-06 中国铁工建设有限公司 Hoisting construction method for single-rib closure rope of large-span reinforced concrete arch bridge
CN104711933A (en) * 2015-03-26 2015-06-17 招商局重庆交通科研设计院有限公司 Reinforced concrete arch bridge construction method combined with cast-in-place cantilever method and stiff skeleton method
CN106087752A (en) * 2016-06-30 2016-11-09 中国化学工程第三建设有限公司 Multispan cable-carried arch bridge construction method

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