CN106284102A - The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method - Google Patents
The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method Download PDFInfo
- Publication number
- CN106284102A CN106284102A CN201610699102.6A CN201610699102A CN106284102A CN 106284102 A CN106284102 A CN 106284102A CN 201610699102 A CN201610699102 A CN 201610699102A CN 106284102 A CN106284102 A CN 106284102A
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- cable
- rib
- steel tube
- calm
- sections
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Classifications
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the double rib lifting of the calm cable in a kind of mountain area greatly across tubular arch segmental construction engineering method, by preparation of construction, sections solid spelling group, lift by crane and carry out para-position and bolt knot, erection knotted rope stretch-draw, close up and the step such as shackle have step simply, be applicable to arc manipulation part with a varied topography, anhydrous, feature without whole sections land transportation condition.Utilize access bridge to carry out three-dimensional spelling, bolting and welding, effectively control physical dimension.Using and carry out rib-lifting section installation without tower cable crane, para-position is fast, safe and reliable.Use novel erection, it is ensured that closure front-end geometry is stable.Take double rib to install under the conditions of calm cable, single rib adjustment is aided with shimming mode and carries out axis trimming.Symmetrical cantilever, dynamic instantaneous closure, arch rib line type control precision is high, and constructing operation is convenient.
Description
Technical field
The present invention relates to construction, especially one is mainly used in arc manipulation part with a varied topography, anhydrous, without whole stage land
The double rib lifting of the calm cable in mountain area of arc manipulation part is big across tubular arch segmental construction engineering method.
Background technology
In bridge construction, can construct in the way of using the lifting of sections whole Transporting in the place good for terrain environment,
For there being water transport condition, can the most by sea send, then sections, easy construction are installed in lifting.But for a varied topography,
Anhydrous arc manipulation part, without whole sections land transportation condition, traditional handicraft steel tube arch rib installation wind cable cannot be used, also without suitable at bridge location
Assembled place, then need to use additive method construction.
Summary of the invention
It is an object of the invention to: a kind of step of offer is simple, be applicable to arc manipulation part with a varied topography, anhydrous, without whole sections
The double rib lifting of the calm cable in mountain area of land transportation condition is big across tubular arch segmental construction engineering method.
The present invention is achieved through the following technical solutions: the double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method,
Comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib sections solid spelling group;
After c, steel tube arch rib sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after steel tube arch rib sections knotted rope stretch-draw fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch rib sections;
F, close up and shackle, when all steel tube arch rib sections para-positions and bolt have been tied, realize closing up, to be welded fixed
Then can be with removal knotted rope.
In described step a, the cable crane without tower that described Lift-on/Lift-off System includes, this includes without tower cable crane
Hauling rope, hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence.
In described step b, install under lower chord tube and horizontal-associate rod member therebetween and centre during spelling group the n-th sections steel tube arch rib
Stull and web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;Then n-th is installed
The diagonal brace of sections steel tube arch rib, and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By on the n-th sections steel tube arch rib
Assemble on string pipe and the bridge floor between two steel tube arch ribs of the horizontal-associate rod member therebetween, be then installed on design attitude.
Described erection includes prefabricated foundation, prestress anchorage cable, abutment, box beam, anchor beam and border pier, institute
The border pier stated is arranged on bank, and bottom is provided with skewback, and described anchor beam is arranged on border pier top;Described prefabricated base
Plinth is arranged on the bank, and described prestress anchorage cable is embedded in this prefabricated foundation;Described abutment is near prefabricated foundation, and passes through case
Beam and tail rope are connected with anchor beam;Based on skewback, being sequentially connected with n steel tube arch rib, each steel tube arch rib all passes through knotted rope
It is connected with anchor beam.
In described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook, Suo Ligao range monitoring simultaneously.
The gusset plate coordinated with knotted rope it is provided with on described steel tube arch rib.
Described steel tube arch rib includes main chord tube and crossbar connected vertically with this main chord tube, also includes and main string
Pipe and with this main chord tube place plane mullion connected vertically.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) lifting of the calm cable in the mountain area of the present invention double rib is greatly across tubular arch segmental construction engineering method, and step is simple, it is multiple to be applicable to landform
Arc manipulation part miscellaneous, anhydrous, big across tubular arch segmental construction engineering method without the calm cable in mountain area double rib lifting of whole sections land transportation condition.
(2) utilize access bridge to carry out three-dimensional spelling, bolting and welding, effectively control physical dimension.Use without tower cable lifting
Machine carries out rib-lifting section installation, and para-position is fast, safe and reliable.Use novel erection, it is ensured that closure front-end geometry is stable.
Take double rib to install under the conditions of calm cable, single rib adjustment is aided with shimming mode and carries out axis trimming.Symmetrical cantilever, the most instantaneous
Closure, arch rib line type control precision is high, and constructing operation is convenient.
Accompanying drawing explanation
Fig. 1 is that the calm cable in mountain area double rib lifting of the present invention is greatly across a kind of structured flowchart of tubular arch segmental construction engineering method;
Fig. 2 is the signal of the calm cable in mountain area double rib big erection across tubular arch segmental construction engineering method of lifting of the present invention
Figure;
Fig. 3 is the structure of the calm cable in mountain area double rib big steel tube arch rib sections across tubular arch segmental construction engineering method of lifting of the present invention
Schematic diagram;
In figure, 1 skewback, 2 border pier, 3 anchor beams, 4 steel tube arch ribs, 5 box beams, 6 tail ropes, 7 abutments, 8
Prestress anchorage cable, 9 knotted ropes, 10 gusset plates, 11 spandrel columns, 12 main chord tubes, 13 ribs, 14 steel case lid beams,
15 bridge floors.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is conducted further description, but embodiments of the present invention are not limited to this.
Embodiment 1:
As it is shown in figure 1, the double rib lifting of the calm cable in the mountain area of the present invention is big across tubular arch segmental construction engineering method, comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib 4 sections solid spelling group;
After c, steel tube arch rib 4 sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after steel tube arch rib 4 sections knotted rope stretch-draw fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch rib 4 sections;
F, close up and shackle, when all steel tube arch rib 4 sections para-positions and bolt have been tied, realize closing up, to be welded fixed
Then can be with removal knotted rope.
The double rib lifting of the calm cable in mountain area of the present invention is greatly across tubular arch segmental construction engineering method, and step is simple, be applicable to landform
Arc manipulation part complicated, anhydrous, big across tubular arch segmental construction engineering method without the calm cable in mountain area double rib lifting of whole sections land transportation condition.
It should be noted that above-mentioned construction procedure is the single-ended construction of the bridge said, Specific construction when, the two of bridge
End is constructed simultaneously, closes up at middle part, with accelerating construction progress, improves efficiency.
Embodiment 2:
As it is shown on figure 3, as preferred, in described step a, the cable crane without tower that described Lift-on/Lift-off System includes, should
Cable crane without tower includes that hauling rope, hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence, convenient tune
Fortune steel tube arch rib 4 and bridge floor 15 etc..When construction, first lift described steel tube arch rib 4, then at described steel tube arch rib
4 upper surface mounting arch upper pillar stands 11, described spandrel column 11 top connects has steel case lid beam 14, on the top of this steel case lid beam 14
Bridge floor 15 is installed in portion.
Embodiment 3:
As preferably, in described step b, lower chord tube and horizontal-associate rod member therebetween are installed during spelling group the n-th sections steel tube arch rib 4
With middle lower brace and web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;So
The diagonal brace of rear installation the n-th sections steel tube arch rib 4, and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By the n-th sections
Steel tube arch rib 4 winds up and assembles on pipe and the horizontal-associate rod member therebetween bridge floor between two steel tube arch ribs 4, is then installed on design position
Put.
Embodiment 4:
As preferably, described erection include prefabricated foundation, prestress anchorage cable 8, abutment 7, box beam 5, anchor beam 3 with
And border pier 2, described border pier 2 is arranged on bank, and bottom is provided with skewback 1, and described anchor beam 3 is arranged on border pier 2
Top;Described prefabricated foundation is arranged on the bank, and described prestress anchorage cable 8 is embedded in this prefabricated foundation;Described abutment 7 leans on
Nearly prefabricated foundation, and be connected with anchor beam 3 by box beam 5 and tail rope 6;Based on skewback 1, it is sequentially connected with n steel tube arch rib
4, each steel tube arch rib 4 is all connected with anchor beam 3 by knotted rope 9.It should be noted that prefabricated foundation is generally concrete, permissible
Use C35 concrete.
Embodiment 5:
As in figure 2 it is shown, as preferably, in described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook,
Suo Ligao range monitoring simultaneously.It is monitored with two PENTAX-V2 total powerstations in conjunction with two sides landform.Each sections installation
After, adjust knotted rope 9, make each measuring point elevation and axial line control in allowed band.
Embodiment 6:
As in figure 2 it is shown, as preferably, described steel tube arch rib 4 is provided with the gusset plate 10 coordinated with knotted rope 9.Described
The gusset plate 10 coordinated with knotted rope 9 it is provided with on steel tube arch rib 4.For reducing traditional gusset plate due to weld seam too much to main structure
The adverse effect brought, the gusset plate 10 of the section of hanging stayed-buckle cable uses the steel anchor beam arranged under the steel pipe that winds up, and connects lifting
Steel tube arch rib 4 and knotted rope 9.
Embodiment 7:
As in figure 2 it is shown, as preferably, described steel tube arch rib 4 includes main chord tube 12 and main chord tube 12 is vertical is connected arch with this
Rib stull, also include with main chord tube 12 and with this main chord tube 12 place plane mullion connected vertically, for increase support strength,
Typically it is additionally provided with rib 13.It should be noted that steel anchor beam supports arch rib by the gusset plate 10 of steel tube arch rib 4, and with spiral shell
Bolt is connected with the batten plate of arch rib nodes plate 10 temporarily.Steel anchor beam is formed by Plate Welding, sets according to knotted rope 9 position and Suo Li difference
Putting, at gusset plate 10, main chord tube 12 and gusset plate 10 have carried out local strengthening, for the Suo Li knotted rope more than 1000kN each
Work shape block reaction frame is added at gusset plate 10.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (7)
1. the lifting of the calm cable in mountain area double rib is big across tubular arch segmental construction engineering method, it is characterised in that comprise the following steps:
A, preparation of construction, complete the installation of Lift-on/Lift-off System and the preparation of construction material;
B, sections solid spelling group, by the use of Lift-on/Lift-off System, by steel tube arch rib (4) sections solid spelling group;
After c, steel tube arch rib (4) sections solid spelling group complete, finely lift by crane and carry out para-position and bolt knot;
D, by erection to bolt tie after the knotted rope stretch-draw of steel tube arch rib (4) sections fix;
E, repetition step b to d spelling group complete the spelling group of all steel tube arch ribs (4) sections;
F, close up and shackle, when all steel tube arch ribs (4) sections para-position and bolt have been tied, realize closing up, to be welded fixed
Cheng Zeke is with removal knotted rope.
The double rib lifting of the calm cable in mountain area the most according to claim 1 is big across tubular arch segmental construction engineering method, it is characterised in that:
In described step a, the cable crane without tower that described Lift-on/Lift-off System includes, this without tower cable crane include hauling rope,
Hoisting rope, chain type prop up cable system, lifting sport car and the hoist engine of correspondence.
The double rib lifting of the calm cable in mountain area the most according to claim 1 is big across tubular arch segmental construction engineering method, it is characterised in that:
In described step b, lower chord tube and horizontal-associate rod member therebetween and middle lower brace are installed during spelling group the n-th sections steel tube arch rib (4)
And web member;Two adjacent web members are fixed with temporary connection, draw guy or add support, to prevent from toppling over;Then n-th sections is installed
The diagonal brace of steel tube arch rib (4), and by its gusset plate bolt being connected with the pipe that winds up in diagonal brace upper end;By the n-th sections steel tube arch rib (4)
Wind up and assemble on pipe and the horizontal-associate rod member therebetween bridge floor between two steel tube arch ribs (4), be then installed on design attitude.
The double rib lifting of the calm cable in mountain area the most as claimed in any of claims 1 to 3 is big across tubular arch segmental construction work
Method, it is characterised in that: described erection includes prefabricated foundation, prestress anchorage cable (8), abutment (7), box beam (5), anchor
Beam (3) and border pier (2), described border pier (2) is arranged on bank, and bottom is provided with skewback (1), described anchor beam
(3) border pier (2) top it is arranged on;Described prefabricated foundation is arranged on the bank, and it is prefabricated that described prestress anchorage cable (8) is embedded in this
In basis;Described abutment (7) is near prefabricated foundation, and is connected with anchor beam (3) by box beam (5) and tail rope (6);With skewback
(1) based on, being sequentially connected with n steel tube arch rib (4), each steel tube arch rib (4) is all connected with anchor beam (3) by knotted rope (9).
The double rib lifting of the calm cable in mountain area the most according to claim 4 is big across tubular arch segmental construction engineering method, it is characterised in that:
In described step d, the when of carrying out knotted rope stretch-draw, without tower cable crane pine hook, Suo Ligao range monitoring simultaneously.
The double rib lifting of the calm cable in mountain area the most according to claim 5 is big across tubular arch segmental construction engineering method, it is characterised in that:
The gusset plate (10) coordinated with knotted rope (9) it is provided with on described steel tube arch rib (4).
The double rib lifting of the calm cable in mountain area the most according to claim 6 is big across tubular arch segmental construction engineering method, it is characterised in that:
Described steel tube arch rib (4) include main chord tube (12) and with this main chord tube (12) crossbar connected vertically, also include with
Main chord tube (12) and with this main chord tube (12) place plane mullion connected vertically.
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CN201610699102.6A CN106284102A (en) | 2016-08-22 | 2016-08-22 | The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108252201A (en) * | 2018-03-23 | 2018-07-06 | 中铁二院工程集团有限责任公司 | A kind of connecting structure of four braced arch circles and the upper steel column of queen post arch |
CN108978491A (en) * | 2018-09-25 | 2018-12-11 | 中铁二局第五工程有限公司 | A kind of full bolt trussed bridge closure method |
CN110565534A (en) * | 2019-09-28 | 2019-12-13 | 中铁十八局集团第二工程有限公司 | construction method for assembling continuous steel box girder by cantilever |
CN114197327A (en) * | 2022-01-24 | 2022-03-18 | 广西路桥工程集团有限公司 | Steel pipe arch rib cantilever assembling method for loosening lifting point and installing buckle cable |
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CN108252201A (en) * | 2018-03-23 | 2018-07-06 | 中铁二院工程集团有限责任公司 | A kind of connecting structure of four braced arch circles and the upper steel column of queen post arch |
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CN108978491A (en) * | 2018-09-25 | 2018-12-11 | 中铁二局第五工程有限公司 | A kind of full bolt trussed bridge closure method |
CN110565534A (en) * | 2019-09-28 | 2019-12-13 | 中铁十八局集团第二工程有限公司 | construction method for assembling continuous steel box girder by cantilever |
CN114197327A (en) * | 2022-01-24 | 2022-03-18 | 广西路桥工程集团有限公司 | Steel pipe arch rib cantilever assembling method for loosening lifting point and installing buckle cable |
CN114197327B (en) * | 2022-01-24 | 2023-10-27 | 广西路桥工程集团有限公司 | Steel pipe arch rib cantilever assembling method for loosening hanging points and installing buckling ropes |
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Application publication date: 20170104 |