CN102061668A - Vertical swiveling construction method of dual-steel-arch tower - Google Patents
Vertical swiveling construction method of dual-steel-arch tower Download PDFInfo
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- CN102061668A CN102061668A CN 201010598264 CN201010598264A CN102061668A CN 102061668 A CN102061668 A CN 102061668A CN 201010598264 CN201010598264 CN 201010598264 CN 201010598264 A CN201010598264 A CN 201010598264A CN 102061668 A CN102061668 A CN 102061668A
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- 238000010276 construction Methods 0.000 title claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000003466 welding Methods 0.000 claims abstract description 24
- 230000000630 rising effect Effects 0.000 claims description 4
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Abstract
The invention relates to a vertical swiveling construction method of a dual-steel-arch tower, belonging to the field of bridge construction. A vertical swiveling construction mode is adopted in the vertical swiveling construction method which is characterized in that the vertical swiveling construction of dual steel arcs is realized by utilizing the self durable structure of a bridge. The method comprises the following steps of: firstly, mounting a plate-lifting tripod, a steering cable saddle and a steel stranded wire on an inner arch tower for vertically swiveling an inwards arch tower and finishing the welding of an annual welding line of the inwards arch tower; then, carrying out the swiveling construction on an outer arch tower: firstly penetrating the plate-lifting steel stranded wire through the steering cable saddle on the inwards arch tower before construction and carrying out the vertical swiveling construction on the outer arch tower by utilizing the inwards arch tower as a support for swiveling the outer arch tower; and finally, finishing the welding of the annual welding line of the outer arch tower. The invention has the advantages of simple construction, high mounting accuracy, convenience of welding, quality guarantee, smaller danger, less overhead operation, low manufacture cost, short construction period, high construction efficiency, and the like.
Description
Technical field
The invention belongs to technical field of bridge construction, particularly relate to a kind of two cover steel arch tower vertical turn construction method.
Background technology
At present, all be a problem that not yet thoroughly solves for head tower overhead connection, location, welding and high-altitude working safety, usually adopt upright assembly unit method to construct: by setting up scaffold and support platform, to use large-tonnage tower crane or piecemeal assembly unit of crane.This construction technology exists shortcoming as follows: 1) steel Gong Ta space welding quality is difficult to guarantee; 2) control of space mounting precision is difficult; 3) work high above the ground is dangerous big.
In order to guarantee head tower positioning welding quality, to guarantee construction safety, reduce work high above the ground, the at present domestic employing pin " the solely vertical turn method of tower " that also occurred is constructed: Temporary Cable Tower is set separately, utilizes Temporary Cable Tower to carry out the vertical turn construction for support.The shortcomings such as this construction technology exists: the interim measure expense increases, and construction cost improves, and the construction period is long.
Summary of the invention
The present invention is for solving a prior art difficult problem and problems in construction, a kind of domestic two cover steel arch tower vertical turn construction methods that not yet adopted have been proposed, Temporary Cable Tower namely is not set separately, utilizes bridge self permanent structure to realize the vertical turn construction of two cover steel arches.
The purpose of this invention is to provide that a kind of to have a construction simple, the installation accuracy height, convenient welding, dangerous little, work high above the ground is few, and the construction period is short, and construction cost is low, efficiency of construction height, two cover steel arch tower vertical turn construction methods of construction quality high.
Vertical turn method of the present invention: the good inside and outside steel arch tower of assembly unit on bridge floor, by the computer synchronization lifting system, carry out rising of inside and outside arch tower and pull the vertical transfer construction.Main assembly unit, welding and the applications etc. of steel arch tower structure are operated in ground to be carried out, the efficiency of construction height, and security protection work is easy to tissue, and construction quality is easy to guarantee.
The present invention does not arrange Sarasota, utilizes bridge self permanent structure to realize the vertical turn construction of two cover steel arches.Its main technique flow process:
1, arch tower and outer arch tower in the assembly unit on bridge floor, and finish the affixed of interior arch tower and steel case beam; 2, in interior arch tower tripod and interior arch tower are installed and rise and pull steel strand wires, special steering cable saddle makes interior arch tower be in vertical transfer original state (0 degree state); 3, internally arch tower is carried out vertical transfer; 4, interior arch tower vertical transfer is in place, carries out the welding that section is mended in interior arch tower embedding; 5, remove interior arch tower backstay, between interior arch tower and bridge floor, fore stay is installed then; 6, by the steering cable saddle on the interior arch tower outer arch tower drag-line is installed, is prepared outer arch tower vertical transfer; 7, take interior arch tower as fulcrum, carry out outer arch tower vertical transfer; 8, outer arch tower vertical transfer is in place, and section is mended in outer arch tower welding embedding.
The two cover of the present invention steel arch tower vertical turn construction method adopts following technical scheme:
A kind of two cover steel arch tower vertical turn construction method adopts the vertical turn form of construction work, is characterized in: utilize the bridge permanent structure to realize the vertical turn construction of two cover steel arches; At first installed in interior arch tower and pulled tripod, steering cable saddle and steel strand wires, carried out interior arch tower vertical turn, finished the girth joint welding of interior arch tower; Outer arch tower is carried out rotator construction then, will rise earlier during construction to pull steel strand wires and pass steering cable saddle on the interior arch tower, and outer arch tower vertical turn construction is carried out in the support that arch tower is turned as outer arch tower in utilizing, and finally finishes the girth joint welding of outer arch tower.
The two cover of the present invention steel arch tower vertical turn construction method can also be taked following technical measures:
Described two cover steel arch tower vertical turn construction method is characterized in: interior arch tower and outer arch ride over before the vertical turn and to carry out assembly unit, welding and application on ground.
Described two cover steel arch tower vertical turn construction method is characterized in: interior arch tower installs oil cylinder, rise and pull tripod, steering cable saddle, rise and pull steel strand wires, adopts computer control hydraulic synchronizing lifting system, carries out interior arch tower vertical turn construction.
Described two cover steel arch tower vertical turn construction method, be characterized in: outer arch tower is installed oil cylinder, is risen and pull steel strand wires, pulls steel strand wires by the steering cable saddle on the interior arch tower with rising, take interior arch tower as support, adopt computer control hydraulic synchronizing lifting system, carry out outer arch tower vertical turn construction.
Advantage that the present invention has and good effect:
Two cover steel arch tower vertical turn construction methods, owing to adopted the brand-new technical scheme of the present invention, compared with prior art, the technical program adopts the good inside and outside steel arch tower of assembly unit on bridge floor, by the computer synchronization lifting system, carry out rising of inside and outside arch tower and pull the vertical transfer construction.Main assembly unit, welding and the applications etc. of steel arch tower structure are operated in ground to be carried out, the efficiency of construction height, and security protection work is easy to tissue, and construction quality is easy to guarantee; Adopt the hydraulic pressure lift Erecting Steel Tube Arch, amount of high-altitude operation is down to minimum, hydraulic pressure Integral lifting operation absolute time is shorter in addition, can effectively guarantee installation period and the quality of steel arch tower.
It is simple that the present invention has construction, the installation accuracy height, and convenient welding, quality is guaranteed, and dangerous little, work high above the ground is few, and the construction period is short, efficiency of construction height, advantage such as construction quality is good.
Description of drawings
Fig. 1 is two cover steel arch tower vertical turn constructing structure schematic diagrames;
Fig. 2 is interior arch tower and the outer arch tower structural representation of assembly unit on the bridge floor;
Fig. 3 is the forward sight structural representation of Fig. 2;
Fig. 4 is interior arch tower vertical transfer original state structural representation;
Fig. 5 is interior arch tower vertical transfer structural representation;
Fig. 6 is an interior arch tower vertical transfer structural representation in place;
Fig. 7 installs the fore stay structural representation between interior arch tower and bridge floor;
Fig. 8 is that the cable saddle on the interior arch tower is installed outer arch tower and risen and pull the strand structure schematic diagram;
Fig. 9 is that interior arch tower is fulcrum, carries out outer arch tower vertical transfer structural representation;
Figure 10 is that the vertical transfer of outer arch tower is in place.
Among the figure, arch tower in the 1-, the outer arch tower of 2-, the 3-steering cable saddle, 4-tripod, 5-play the slab twisted wire, and 6-fore stay, 7-play the slab twisted wire.
The specific embodiment
For further understanding technology contents of the present invention, Characteristic, hereby enumerate following instance, and cooperate accompanying drawing to be described in detail as follows:
With reference to accompanying drawing 1 to Fig. 4.
The two cover of Bridge Project steel arch tower construction parameter: bridge master spanning directly is (108+92) m, and the standard paragraphs bridge is wide to be 30m.Girder is two steel case girders, and deck-molding 3m, arch tower are two cover steel arch towers, the high 65m of outer arch Tata, 8 ° at inclination angle, 38 meters of tower root spacings, the high 55m of interior arch Tata, 15 ° at inclination angle, adopt 13 between the tower root spacing 25m, outer Gong Ta and interior arch tower and draw (pressure) bar to be connected, 12 on top is pull bar, be parallel wire stay, the most beneath one is depression bar.Full-bridge arranges 20 pairs of suspension cables altogether, and main span beam section rope is apart from 8m, and end bay beam section rope is apart from 8m, the rope on the arch tower apart from 2.2,2.7m.
Two cover steel arch tower vertical turn construction methods adopt the vertical turn construction technology, utilize bridge self permanent structure to realize the vertical turn construction of two cover steel arches.Be characterized in: Temporary Cable Tower is not set, utilizes bridge self permanent structure to realize the vertical turn construction of two cover steel arches.
At first in interior arch tower steering cable saddle, oil cylinder and the steel strand wires of pulling tripod, uniqueness have been installed, have been adopted then computer control hydraulic synchronizing lifting construction technology, the vertical turn of arch tower in realizing is finished the girth joint welding of interior arch tower at last.
When outer arch tower is carried out rotator construction, at first will rise and pull steel strand wires and pass steering cable saddle on the interior arch tower, the support that the interior arch tower of utilization is turned as outer arch tower is (leading domestic, also be innovative point), adopt computer control hydraulic synchronizing lifting construction technology, realize the vertical turn construction of outer arch tower, finally finish the girth joint welding of outer arch tower.
With reference to accompanying drawing, the concrete work progress of present embodiment is described in detail, its processing step is as follows:
1, arch tower outside Gong Ta reaches in the assembly unit on bridge floor, and encircle the affixed temporarily of tower and steel case beam in finishing; As shown in Figures 2 and 3.
2, outer arch tower and the assembly unit of interior arch tower bridge floor complete after, in interior arch tower the cable saddle structure is installed; Interior arch tower and bridge floor are temporarily affixed; A-frame is installed; Arch tower rises and pulls steel strand wires in installing.The arch tower is in vertical transfer original state (0 degree state) in making, as shown in Figure 4.
3, interior arch tower rises and pulls, and internally encircles tower and carries out vertical transfer; As shown in Figure 5.
4, the vertical transfer of interior arch tower is in place, and the welding of section is mended in the embedding of arch tower in carrying out; As shown in Figure 6.
5, interior arch tower is in place affixed, between interior arch tower and bridge floor fore stay is installed, and the arch tower rises and pulls steel strand in removing; As shown in Figure 7.
6, by the cable saddle on the interior arch tower outer arch tower is installed and is risen and pull steel strand, prepare the vertical transfer of outer arch tower; As shown in Figure 8.
7, be fulcrum with interior arch tower, encircle tower outward and play plate, carry out the vertical transfer of outer arch tower; As shown in Figure 9.
8, it is in place to encircle the tower vertical transfer outward, encircles tower welding embedding outward and mends section; As shown in figure 10.
Claims (4)
1. a two cover steel arch tower vertical turn construction method adopts the vertical turn form of construction work, it is characterized in that: utilize bridge self permanent structure to realize the vertical turn construction of two cover steel arches; At first installed in interior arch tower and pulled tripod, steering cable saddle and steel strand wires, carried out interior arch tower vertical turn, finished the girth joint welding of interior arch tower; Carry out then outer arch tower rotator construction, will rise earlier during construction and pull steel strand wires and pass steering cable saddle on the interior arch tower, outer arch tower vertical turn construction is carried out in the support that arch tower is turned as outer arch tower in utilizing, and finally finishes the girth joint welding of outer arch tower.
2. according to the described two cover steel arch tower vertical turn construction methods of claim 1, it is characterized in that: interior arch tower and outer arch ride over before the vertical turn and to carry out assembly unit, welding and application on ground.
3. according to the described two cover steel arch tower vertical turn construction methods of claim 1, it is characterized in that: interior arch tower installs oil cylinder, rise and pull tripod, steering cable saddle, rise and pull steel strand, adopt computer control hydraulic synchronizing lifting system, arch tower vertical turn construction in carrying out.
4. according to the described two cover steel arch tower vertical turn construction methods of claim 1, it is characterized in that: encircle tower outward and oil cylinder is installed, is risen and pull steel strand, pull steel strand by the steering cable saddle on the interior arch tower with rising, with interior arch tower is support, adopt computer control hydraulic synchronizing lifting system, carry out the construction of outer arch tower vertical turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010598264 CN102061668A (en) | 2010-12-21 | 2010-12-21 | Vertical swiveling construction method of dual-steel-arch tower |
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| CN 201010598264 CN102061668A (en) | 2010-12-21 | 2010-12-21 | Vertical swiveling construction method of dual-steel-arch tower |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635070A (en) * | 2012-04-09 | 2012-08-15 | 同济大学 | Mutual-pulling type vertical turning construction method for steel towers of cable-stayed bridge |
| CN102888987A (en) * | 2011-07-19 | 2013-01-23 | 上海电力建筑工程公司 | Integral pulling technology for concrete oblique cylinder cast-in-situ template system |
| CN104846748A (en) * | 2015-05-25 | 2015-08-19 | 中铁上海工程局集团第五工程有限公司 | Device and method for guaranteeing mounting line type of spatial warping curve steel main tower |
| CN107100077A (en) * | 2017-03-29 | 2017-08-29 | 中建钢构有限公司 | A kind of spacial special-shaped steel arch tower construction method |
| CN109653102A (en) * | 2018-12-26 | 2019-04-19 | 同济大学建筑设计研究院(集团)有限公司 | High steel arch bridge turning construction equipment and construction method in one kind |
| CN113585101A (en) * | 2021-09-03 | 2021-11-02 | 成都建工路桥建设有限公司 | Vertical rotation construction structure and construction method for space curved surface special-shaped steel tower |
| CN114790703A (en) * | 2022-04-27 | 2022-07-26 | 中铁重工有限公司 | Vertical rotation construction method of special-shaped spatial single-tower cable-stayed landscape bridge |
| CN116516820A (en) * | 2023-04-17 | 2023-08-01 | 宁波通途投资开发有限公司 | A V-shaped main tower vertical rotation structure system and construction method of a short tower mixed girder cable-stayed bridge |
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| CN1030111A (en) * | 1987-06-20 | 1989-01-04 | 湖南省公路管理局 | Arch-cable bridge |
| JP2002115209A (en) * | 2000-10-05 | 2002-04-19 | Sumitomo Heavy Ind Ltd | Driving device for bascule bridge |
| US20080109971A1 (en) * | 2006-11-13 | 2008-05-15 | Lazar Bereli M | Bridge tower vast utilities |
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2010
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Patent Citations (4)
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| CN1030111A (en) * | 1987-06-20 | 1989-01-04 | 湖南省公路管理局 | Arch-cable bridge |
| JP2002115209A (en) * | 2000-10-05 | 2002-04-19 | Sumitomo Heavy Ind Ltd | Driving device for bascule bridge |
| US20080109971A1 (en) * | 2006-11-13 | 2008-05-15 | Lazar Bereli M | Bridge tower vast utilities |
| CN101368366A (en) * | 2008-09-13 | 2009-02-18 | 汪金来 | Cantilever beam external anchor stayed-cable bridge |
Non-Patent Citations (1)
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| 《天津建设科技》 20100831 王峰等 双套钢拱塔竖向翻转施工技术应用 34-36 1-4 , 2 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888987A (en) * | 2011-07-19 | 2013-01-23 | 上海电力建筑工程公司 | Integral pulling technology for concrete oblique cylinder cast-in-situ template system |
| CN102635070A (en) * | 2012-04-09 | 2012-08-15 | 同济大学 | Mutual-pulling type vertical turning construction method for steel towers of cable-stayed bridge |
| CN104846748A (en) * | 2015-05-25 | 2015-08-19 | 中铁上海工程局集团第五工程有限公司 | Device and method for guaranteeing mounting line type of spatial warping curve steel main tower |
| CN104846748B (en) * | 2015-05-25 | 2016-08-17 | 中铁上海工程局集团第五工程有限公司 | A kind of device and method ensureing that line style installed by spatial warping curve steel king-tower |
| CN107100077A (en) * | 2017-03-29 | 2017-08-29 | 中建钢构有限公司 | A kind of spacial special-shaped steel arch tower construction method |
| CN109653102A (en) * | 2018-12-26 | 2019-04-19 | 同济大学建筑设计研究院(集团)有限公司 | High steel arch bridge turning construction equipment and construction method in one kind |
| CN109653102B (en) * | 2018-12-26 | 2023-10-13 | 同济大学建筑设计研究院(集团)有限公司 | Swivel construction device and construction method for middle-high steel arch bridge |
| CN113585101A (en) * | 2021-09-03 | 2021-11-02 | 成都建工路桥建设有限公司 | Vertical rotation construction structure and construction method for space curved surface special-shaped steel tower |
| CN114790703A (en) * | 2022-04-27 | 2022-07-26 | 中铁重工有限公司 | Vertical rotation construction method of special-shaped spatial single-tower cable-stayed landscape bridge |
| CN116516820A (en) * | 2023-04-17 | 2023-08-01 | 宁波通途投资开发有限公司 | A V-shaped main tower vertical rotation structure system and construction method of a short tower mixed girder cable-stayed bridge |
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Open date: 20110518 |