CN103866693A - Installing method of reinforced concrete bowstring rod arch bridge arch ribs and hanging auxiliary bridge - Google Patents
Installing method of reinforced concrete bowstring rod arch bridge arch ribs and hanging auxiliary bridge Download PDFInfo
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- CN103866693A CN103866693A CN201410090163.3A CN201410090163A CN103866693A CN 103866693 A CN103866693 A CN 103866693A CN 201410090163 A CN201410090163 A CN 201410090163A CN 103866693 A CN103866693 A CN 103866693A
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Abstract
The invention discloses an installing method of reinforced concrete bowstring rod arch bridge arch ribs and a hanging auxiliary bridge. The method and the hanging auxiliary bridge are used for installation of the reinforced concrete bowstring rod arch bridge arch ribs during the first-beam and second-arch construction and the in-site casting of bowstring rods. According to the method, an arch rib hanging auxiliary bridge is built in a riverway along the ridge direction of a bowstring rod arch bridge, the arch rib hanging auxiliary bridge comprises a reinforced concrete carrying table, a support pier and a hanging table top. A bowstring rod cast-in-place support frame and an arch rib installing support frame are built on the arch rib hanging auxiliary bridge, and the bowstring rod in-site casting is carried out by using the bowstring rod cast-in-place support frame; through the arch rib installing support frame, a truck crane is used for installing arch ribs of the bowstring rod arch bridge on the arch rib hanging auxiliary bridge. The method and the hanging auxiliary bridge provided by the invention are applicable to navigable riverways, are also applicable to unnavigable riverways, and have the advantages that the construction is convenient, the greatest difficult problems of arch rib installation can be solved, meanwhile, the problems of in-site casting of the bowstring rod, the deck construction of the arch bridge and the like can be solved, the building cost of the bowstring rod arch bridge is greatly reduced, the construction safety is improved, and the building application range of the bowstring rod arch bridge is expanded.
Description
Technical field
The present invention relates to the construction method of steel concrete bowstring arch bridge, particularly a kind of mounting method of steel concrete bowstring arch bridge arch rib and lift auxiliary bridge, the installation of the steel concrete bowstring arch bridge arch rib during for first beam rear arch and the cast in situs of tie-rod.
Background technology
Steel concrete bowstring arch bridge is a kind of bridge type that integrates arch and the advantage of beam, and it combines arch and two kinds of basic structure forms of beam, forms inner statically indeterminate system, and outside is static determinacy, therefore pier differential settlement on it without impact.This bridge type, have larger development in China recent years, is especially with comparatively outstanding with Jiangsu and Zhejiang Provinces one.Meanwhile, this bridge type is also the conventional selection scheme of one of crossing over the bridge construction form in navigation channel in China Express Railway construction.In large and medium-sized bridge, be also widely used abroad.
At present, the construction method of steel concrete bowstring arch bridge mainly contains cast-in-place and two kinds of construction methods of precast assembly, and precast assembly is most widely used, precast assembly is divided into again the cable crane adopting under erection without scaffolding condition and installs and adopt the crane barge ship under limited bracket execution conditions that two kinds of methods, wherein the installation difficulty maximum of arch rib are installed.Cable crane mounting cost is high, and construction difficulty is large, does not generally adopt construction in this way in the situation that can adopting other forms of construction work; And if while adopting the construction method that crane barge ship installs, must there be the larger depth of water in the river course that newly building bridge is crossed over, to guarantee the draft of crane barge ship, river course must meet navigation condition, otherwise crane barge ship cannot enter simultaneously.Due to above reason, the construction accommodation of steel concrete bowstring arch bridge is subject to larger restriction always, although this bridge Stability Analysis of Structures, good looking appearance is generous, generally all only build on navigable river, and inland river is not rarely found on navigable river.Job site needs a kind of construction method to break through the restriction of current steel concrete bowstring arch bridge construction accommodation.
Summary of the invention
The object of this invention is to provide a kind of mounting method of steel concrete bowstring arch bridge arch rib and lift auxiliary bridge, overcome the applicable limitation of current steel concrete bowstring arch bridge construction technique, expand the construction accommodation of this kind of bridge type, improve the safety and stability of construction.
Technical solution of the present invention is:
The mounting method of steel concrete bowstring arch bridge arch rib be in river course along the bridge of bowstring arch bridge to building the auxiliary bridge of rib-hoisting, on the auxiliary bridge of rib-hoisting, set up tie-rod cast-in-place support and arch rib mounting bracket, by tie-rod cast-in-place support to tie-rod cast in situs; By arch rib mounting bracket, use mobile crane that the arch rib of bowstring arch bridge is installed on the auxiliary bridge of rib-hoisting.
The auxiliary bridge of rib-hoisting that is used for a kind of mounting method of steel concrete bowstring arch bridge arch rib comprises reinforced concrete pile cap, support pier and lifting table top, support pier is arranged on reinforced concrete pile cap and fixes by activity crab-bolt, support pier bottom is fixed on reinforced concrete pile cap by activity crab-bolt, when dismounting, can entirety sling, the activity crab-bolt Automatic-falling of support pier bottom; Lifting table top is arranged on support pier, uses connecting bolt to fix.
For a kind of mounting method of steel concrete bowstring arch bridge arch rib and the construction technology of the auxiliary bridge of rib-hoisting, as following:
A, select the type of service of supporting pile and complete the construction of reinforced concrete pile cap according to the regimen in river course or gully;
B, assembling and fixed support pier and lifting table top, make to lift the two ends of table top and the bridge pier of bowstring arch bridge is connected, and completes the construction of the auxiliary bridge of rib-hoisting;
C, on the auxiliary bridge of rib-hoisting, set up arch rib mounting bracket and tie-rod cast-in-place support, at the bottom welding i iron collet of arch rib mounting bracket, then i iron collet is welded on the bridge deck of lifting table top; Can use tie-rod cast-in-place support cast in situs tie-rod, use the auxiliary arch rib that bowstring arch bridge is installed of arch rib mounting bracket;
D, at the top of arch rib mounting bracket installed thrust conversion bearing, it contact with the bottom surface of arch rib, facilitate installation;
The height of E, arch rib mounting bracket surmounts the height of tie-rod cast-in-place support and tie-rod, and the radian that multiple arch rib mounting brackets arrange formation conforms to the radian forming after arch rib installation;
F, mobile crane is left to the auxiliary bridge of upper rib-hoisting, use mobile crane that the arch rib of bowstring arch bridge is installed by arch rib mounting bracket.
Remarkable result of the present invention is: the present invention provides a new solution for the construction of steel concrete bowstring arch bridge, in river course or gully, set up an auxiliary bridge of rib-hoisting, solve prior art and in navigable river not, build bowstring arch bridge crane barge ship and cannot enter, use the problem that cable crane mounting cost is high, construction difficulty is large.The present invention is not only applicable to navigable river, is applicable to not navigable river yet, and the safety and stability performance of pontic is high simultaneously, prior art easy construction relatively.Not only can solve arch rib this maximum difficult problem is installed, can solve the cast in situs of tie-rod and the construction of arch bridge bridge floor etc. problem, greatly reduce construction cost simultaneously.The present invention has broken through the limitation that can only adopt cable crane and the lifting of crane barge ship when steel concrete bowstring arch bridge arch rib is prefabricated to be installed, and has expanded the construction scope of application of bowstring arch bridge, has improved the safety of construction in reducing construction cost.The integrated support pier of arch rib mounting bracket and tie-rod cast-in-place support and the auxiliary bridge of rib-hoisting and lifting table top are removed with completing of each operation in construction, all can in lower bridge block construction, again come into operation, and have significant economic benefit and effect.
Accompanying drawing explanation
Fig. 1 is the top view of reinforced concrete pile cap.
Fig. 2 is the front view of support pier.
Fig. 3 is the front view of the auxiliary bridge of rib-hoisting.
Fig. 4 is Construction Principle schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing in detail the present invention is described in detail, not limits the scope of the invention.
Referring to Fig. 4, a kind of mounting method of steel concrete bowstring arch bridge arch rib be in river course along the bridge of bowstring arch bridge to building the auxiliary bridge of rib-hoisting, on the auxiliary bridge of rib-hoisting, set up tie-rod cast-in-place support 9 and arch rib mounting bracket 10, by tie-rod cast-in-place support 9 cast in situs tie-rods 14; By arch rib mounting bracket 10, use mobile crane 11 that the arch rib of bowstring arch bridge is installed on the auxiliary bridge of rib-hoisting.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of auxiliary bridge of rib-hoisting of mounting method of steel concrete bowstring arch bridge arch rib comprises reinforced concrete pile cap, support pier and lifting table top, support pier is arranged on reinforced concrete pile cap fixing by activity crab-bolt 5, support pier bottom is fixed on reinforced concrete pile cap by activity crab-bolt 5, when dismounting, can entirety sling, activity crab-bolt 5 Automatic-fallings of support pier bottom; Lifting table top is arranged on support pier, uses connecting bolt 8 fixing.Reinforced concrete pile cap comprises supporting pile 2 and accepts table top 1, and supporting pile 2 is crisscross arranged and is driven underground, and accepts table top 1 and be cast in the stake top of supporting pile 2, and reinforced concrete pile cap is rectangle, transverse to bowstring arch bridge.Supporting pile 2 is bored pile or steel pipe pile, and bored pile is for river course or gully under shallow water or anhydrous condition, and steel pipe pile is for navigable river course or gully; When supporting pile 2 is selected bored pile, after building, accept table top 1 not higher than river bed, when supporting pile 2 is selected steel pipe pile, after building, accept table top 1 higher than the water surface.Support pier is monolithic, comprises pier Bailey truss 3 and interlayer connecting bolt 4, and pier Bailey truss 3 is provided with bridging, vertical folded spelling, and each layer of pier Bailey truss 3 utilizes interlayer connecting bolt 4 to connect by the bolt hole on truss.Lifting table top comprises table top Bailey truss 6 and bridge deck 7, by table top Bailey truss 6 along the bridge of bowstring arch bridge to assembled rear being vertically placed on support pier, fixing by connecting bolt 8, on table top Bailey truss 6, lay bridge deck 7.The lifting two ends of table top and the bridge pier of bowstring arch bridge are connected, and its length is crossed over tie-rod 14 and tie-rod cast-in-place support 9.
For a kind of mounting method of steel concrete bowstring arch bridge arch rib and the construction technology of the auxiliary bridge of rib-hoisting, as following:
A, select the type of service of supporting pile 2 and complete the construction of reinforced concrete pile cap according to the regimen in river course or gully;
B, assembling and fixed support pier and lifting table top, make to lift the two ends of table top and the bridge pier of bowstring arch bridge is connected, and completes the construction of the auxiliary bridge of rib-hoisting;
C, on the auxiliary bridge of rib-hoisting, set up arch rib mounting bracket 10 and tie-rod cast-in-place support 9, at the bottom welding i iron collet 12 of arch rib mounting bracket 10, then i iron collet 12 is welded on the bridge deck 7 of lifting table top; Can use tie-rod cast-in-place support 9 cast in situs tie-rods 14, use the auxiliary arch rib that bowstring arch bridge is installed of arch rib mounting bracket 10;
D, at the top of arch rib mounting bracket 10 installed thrust conversion bearing 13, thrust conversion bearing 13 contact with the bottom surface of arch rib, facilitate installation;
The height of E, arch rib mounting bracket 10 surmounts the height of tie-rod cast-in-place support 9 and tie-rod 14, and the radian that multiple arch rib mounting brackets 10 arrange formation conforms to the radian forming after arch rib installation;
F, mobile crane 11 is left to the auxiliary bridge of upper rib-hoisting, use mobile crane 11 that the arch rib of bowstring arch bridge is installed by arch rib mounting bracket 10.
Above-mentioned tie-rod cast-in-place support 9 uses bowl fastening type support assembled; Arch rib mounting bracket 10 is steel pipe trusses, is provided with bridging, its steel pipe bore is greater than 30cm.The area of the i iron collet 12 of arch rib mounting bracket 10 bottom weldings is greater than the base area of arch rib mounting bracket 10, dispersibles the stress of arch rib mounting bracket 10.
Tie-rod cast-in-place support 9, arch rib mounting bracket 10 and the auxiliary bridge of rib-hoisting complete and are removed with corresponding user demand operation, and said apparatus all can again come into operation in lower bridge block construction.What adopt concrete bearing platform that steel pipe pile builds accepts table top 1 and supporting pile 2 complete removals, so that navigation.Do not open the navigation or air flight in the river course that requires or gully, adopt concrete bearing platform that bored pile builds accept table top 1 and supporting pile 2 because not higher than river bed without dismounting.
Claims (10)
1. the mounting method of a steel concrete bowstring arch bridge arch rib, in river course, the bridge of suitable bowstring arch bridge is to building the auxiliary bridge of rib-hoisting, on the auxiliary bridge of rib-hoisting, set up tie-rod cast-in-place support (9) and arch rib mounting bracket (10), by tie-rod cast-in-place support (9) cast in situs tie-rod (14); By arch rib mounting bracket (10), use mobile crane (11) that the arch rib of bowstring arch bridge is installed on the auxiliary bridge of rib-hoisting.
2. for the auxiliary bridge of rib-hoisting of the mounting method of a claim 1 steel concrete bowstring arch bridge arch rib, it is characterized in that, comprise reinforced concrete pile cap, support pier and lifting table top, support pier is arranged on reinforced concrete pile cap fixing by activity crab-bolt (5); Lifting table top is arranged on support pier, uses connecting bolt (8) fixing.
3. the auxiliary bridge of rib-hoisting according to claim 2, it is characterized in that, described reinforced concrete pile cap comprises supporting pile (2) and accepts table top (1), supporting pile (2) is crisscross arranged and is driven underground, accept table top (1) and be cast in the stake top of supporting pile (2), reinforced concrete pile cap is rectangle, transverse to bowstring arch bridge.
4. the auxiliary bridge of rib-hoisting according to claim 3, is characterized in that, described supporting pile (2) is bored pile or steel pipe pile, and bored pile is for river course or gully under shallow water or anhydrous condition, and steel pipe pile is for navigable river course or gully; When supporting pile (2) is selected bored pile, after building, accept table top (1) not higher than river bed, when supporting pile (2) is selected steel pipe pile, after building, accept table top (1) higher than the water surface.
5. the auxiliary bridge of rib-hoisting according to claim 2, it is characterized in that, described support pier is monolithic, comprise pier Bailey truss (3) and interlayer connecting bolt (4), pier Bailey truss (3) is provided with bridging, vertical folded spelling, and each layer of pier Bailey truss (3) utilizes interlayer connecting bolt (4) to connect by the bolt hole on truss.
6. the auxiliary bridge of rib-hoisting according to claim 2, it is characterized in that, described lifting table top comprises table top Bailey truss (6) and bridge deck (7), by table top Bailey truss (6) along the bridge of bowstring arch bridge to assembled rear being vertically placed on support pier, fixing by connecting bolt (8), at the upper bridge deck (7) of laying of table top Bailey truss (6).
7. according to the auxiliary bridge of the rib-hoisting described in claim 2 or 6, it is characterized in that, the two ends of described lifting table top are connected with the bridge pier of bowstring arch bridge, and its length is crossed over tie-rod (14) and tie-rod cast-in-place support (9).
8. for the construction technology of the auxiliary bridge of rib-hoisting described in the mounting method of a kind of steel concrete bowstring arch bridge arch rib described in claim 1 and claim 2, as following:
A, select the type of service of supporting pile (2) and complete the construction of reinforced concrete pile cap according to the regimen in river course or gully;
B, assembling and fixed support pier and lifting table top, make to lift the two ends of table top and the bridge pier of bowstring arch bridge is connected, complete the construction of the auxiliary bridge of rib-hoisting, C, on the auxiliary bridge of rib-hoisting, set up arch rib mounting bracket (10) and tie-rod cast-in-place support (9), at the bottom welding i iron collet (12) of arch rib mounting bracket (10), then i iron collet (12) is welded on the bridge deck (7) of lifting table top;
D, at the top of arch rib mounting bracket (10) installed thrust conversion bearing (13);
The height of E, arch rib mounting bracket (10) surmounts the height of tie-rod cast-in-place support (9) and tie-rod (14), and the radian that multiple arch rib mounting brackets (10) arrange formation conforms to the radian forming after arch rib installation;
F, mobile crane (11) is left to the auxiliary bridge of upper rib-hoisting, use mobile crane (11) that the arch rib of bowstring arch bridge is installed by arch rib mounting bracket (10).
9. construction technology according to claim 8, is characterized in that, tie-rod cast-in-place support (9) uses bowl fastening type support assembled; Arch rib mounting bracket (10) is steel pipe truss, is provided with bridging, its steel pipe bore is greater than 30cm.
10. construction technology according to claim 8, is characterized in that, the area of the i iron collet (12) of described arch rib mounting bracket (10) bottom welding is greater than the base area of arch rib mounting bracket (10).
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| CN201410090163.3A CN103866693B (en) | 2014-03-13 | 2014-03-13 | A kind of mounting method of steel concrete bowstring arch bridge arch rib |
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| CN201410090163.3A CN103866693B (en) | 2014-03-13 | 2014-03-13 | A kind of mounting method of steel concrete bowstring arch bridge arch rib |
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Cited By (8)
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| CN104986663A (en) * | 2015-05-21 | 2015-10-21 | 中交一航局安装工程有限公司 | Lifting installation technology for steel structure arched door |
| CN106087769A (en) * | 2016-08-12 | 2016-11-09 | 中铁十局集团有限公司 | A kind of steel bowstring arch bridge entirety crane barge erection construction method |
| CN106812064A (en) * | 2015-11-27 | 2017-06-09 | 重庆标王集成房屋科技开发有限公司 | Parallel-moving type bridge bow member |
| CN109518587A (en) * | 2019-01-22 | 2019-03-26 | 中铁二院工程集团有限责任公司 | A kind of board-like sunpender inhibiting Vortex-excited vibration |
| CN112128064A (en) * | 2020-09-23 | 2020-12-25 | 上海电气风电集团股份有限公司 | Floating type fan power generation system |
| CN112411342A (en) * | 2020-12-16 | 2021-02-26 | 昆山同济市政工程有限公司 | Construction method of prefabricated steel box girder pedestrian landscape bridge |
| CN113202033A (en) * | 2021-04-29 | 2021-08-03 | 中交路桥建设有限公司 | Arch beam cross installation construction method of half-through tied steel box arch bridge |
| CN114016434A (en) * | 2021-12-29 | 2022-02-08 | 山东天齐置业集团股份有限公司 | Construction method of large-span space torsional cross-section double-arch bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104986663A (en) * | 2015-05-21 | 2015-10-21 | 中交一航局安装工程有限公司 | Lifting installation technology for steel structure arched door |
| CN106812064A (en) * | 2015-11-27 | 2017-06-09 | 重庆标王集成房屋科技开发有限公司 | Parallel-moving type bridge bow member |
| CN106087769A (en) * | 2016-08-12 | 2016-11-09 | 中铁十局集团有限公司 | A kind of steel bowstring arch bridge entirety crane barge erection construction method |
| CN106087769B (en) * | 2016-08-12 | 2017-10-10 | 中铁十局集团有限公司 | A kind of overall crane barge erection construction method of steel bowstring arch bridge |
| CN109518587A (en) * | 2019-01-22 | 2019-03-26 | 中铁二院工程集团有限责任公司 | A kind of board-like sunpender inhibiting Vortex-excited vibration |
| CN109518587B (en) * | 2019-01-22 | 2023-09-29 | 中铁二院工程集团有限责任公司 | Plate-type suspender for inhibiting vortex-induced resonance |
| CN112128064A (en) * | 2020-09-23 | 2020-12-25 | 上海电气风电集团股份有限公司 | Floating type fan power generation system |
| CN112128064B (en) * | 2020-09-23 | 2022-01-28 | 上海电气风电集团股份有限公司 | Floating type fan power generation system |
| CN112411342A (en) * | 2020-12-16 | 2021-02-26 | 昆山同济市政工程有限公司 | Construction method of prefabricated steel box girder pedestrian landscape bridge |
| CN113202033A (en) * | 2021-04-29 | 2021-08-03 | 中交路桥建设有限公司 | Arch beam cross installation construction method of half-through tied steel box arch bridge |
| CN114016434A (en) * | 2021-12-29 | 2022-02-08 | 山东天齐置业集团股份有限公司 | Construction method of large-span space torsional cross-section double-arch bridge |
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Effective date of registration: 20180202 Address after: 100101 Chaoyang District, Jilin City, Beijing mouth road, No. 9 Co-patentee after: Triumph construction engineering corporation, Ltd of China Petrochemical Industry Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 257000 No. two, 755 North Road, Dongying District, Shandong, Dongying Patentee before: Triumph construction engineering corporation, Ltd of China Petrochemical Industry |
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