CN111411587A - Method for erecting large-span steel structure gallery bridge by utilizing tidal range - Google Patents
Method for erecting large-span steel structure gallery bridge by utilizing tidal range Download PDFInfo
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- CN111411587A CN111411587A CN201910924179.2A CN201910924179A CN111411587A CN 111411587 A CN111411587 A CN 111411587A CN 201910924179 A CN201910924179 A CN 201910924179A CN 111411587 A CN111411587 A CN 111411587A
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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
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Abstract
The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, and belongs to the field of bridge construction. The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, which comprises the steps of utilizing the tidal level in tidal water (the calculated height meets the barge draft travel depth), horizontally shifting the barge to a pier by using two tugboats from left to right after the large-span steel structure gallery bridge is completely assembled and welded on a flat barge, waiting for the tidal water to rotate 90 degrees to the high tidal level (the calculated height ensures that the gallery bridge crosses peripheral obstacles), initially erecting the gallery bridge to the pier, descending along with the tidal water, accurately positioning, installing a submersible pump on the flat barge, starting the pump to pump water into a flat barge cabin, accelerating the separation of a tire carrier and the gallery bridge on the flat barge, enabling the barge to carry the tire carrier to shift, and successfully erecting the gallery bridge.
Description
Technical Field
The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, and belongs to the field of bridge construction.
Background
The bridge is divided into the following parts according to the span size and the total length of multiple spans: super large bridge, big bridge, middle bridge, small bridge, culvert. Wherein: the super bridge: the total length of the porous span is more than or equal to 500 meters, and the single-pore span is more than or equal to 100 meters. A bridge: the total length of the porous span is more than or equal to 100 meters, and the single-pore span is more than or equal to 40 meters. A middle bridge: the total length of the porous span is less than 100 meters at the length of 30 meters, and the single-pore span is less than 40 meters at the length of 20-40 meters. A small bridge: the total length of the porous span is not less than 8 meters and not more than 300 meters, and the single-pore span is not less than 5 meters and not more than 20 meters. A culvert: the total length of the porous span is less than 8 m, and the single-pore span is less than 5 m. The corridor bridge monomer based on the long-span bridge is heavy and limited by a hoisting environment, and the requirement is difficult to meet by conventional hoisting; the corridor bridge type structure has large span and difficult control of installation and positioning precision; the conventional hoisting installation process takes long time and the channel occupies long time.
Disclosure of Invention
The invention provides a method for erecting a large-span steel structure gallery bridge by utilizing tidal range.
The invention adopts the following technical scheme:
the invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, wherein the steel structure gallery bridge is built on a barge, and the height of the barge is adjusted by the rising or falling of the water level; the erection method of the steel structure gallery bridge comprises the following steps:
step one, erecting a support structure on a barge, and loading a steel structure gallery bridge on the barge;
step two, measuring the rise and fall tide time of the erected river channel;
step three, when the river course falls into the tide, the barge refutes the steel structure gallery bridge to the erection point;
step four, when the river channel tide rises, integrally adjusting the steel structure gallery bridge to the position above the erection pier in the ship body direction;
fifthly, adjusting the height of the steel structure gallery bridge through the barge body until the steel structure gallery bridge is firmly connected with the pier;
and sixthly, removing the connection between the barge hull and the steel structure gallery bridge, and withdrawing the barge to finish the operation.
The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, wherein the steel structure gallery bridge is formed by a plurality of gallery bridge sections; erecting a middle member of the steel structure gallery bridge on a support structure in the middle of a barge hull in advance; and the rest gallery bridge segments are additionally arranged to two sides by a middle component until the integral steel structure gallery bridge structure is completed.
The invention relates to a method for erecting a large-span steel structure corridor bridge by utilizing tidal range, wherein a barge body is filled with water or drained by a submersible pump to lift the barge body.
According to the method for erecting the large-span steel structure corridor bridge by utilizing the tidal range, after the barge body is positioned at the erecting position in the fourth step, the barge body is stabilized by using the mooring rope on the bank side; the shore is provided with a bollard.
The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range.
The invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, wherein a barge body is integrally rotated by a tug.
Advantageous effects
The method for erecting the large-span steel structure gallery bridge by using the tidal range can realize the erection of the large-span bridge, cancels the hoisting mode of a crane, is convenient and quick, and is suitable for the erection requirements of different river channels.
Drawings
FIG. 1 is a schematic view of the barge and bridge assembly of the present invention;
FIG. 2 is a schematic view of the support frame of the present invention;
FIG. 3 is a schematic view of the assembled gallery bridge of the present invention;
FIG. 4 is a second schematic view of the assembly of the bridge of the present invention;
FIG. 5 is a three-schematic illustration of the assembly of the shelter bridge of the present invention;
FIG. 6 is a four schematic view of the assembly of the shelter bridge of the present invention;
fig. 7 is a schematic view of the erection of the gallery bridge of the present invention.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
As shown in the figure: the invention relates to a method for erecting a large-span steel structure gallery bridge by utilizing tidal range, which comprises the steps of utilizing the tidal level in tidal water (the calculated height meets the barge draft travel depth), horizontally shifting the barge to a pier by using two tugboats from left to right after the large-span steel structure gallery bridge is completely assembled and welded on a flat barge, waiting for the tidal water to rotate 90 degrees to the high tidal level (the calculated height ensures that the gallery bridge crosses peripheral obstacles), initially erecting the gallery bridge to the pier, descending along with the tidal water, accurately positioning, installing a submersible pump on the flat barge, starting the pump to pump water into a flat barge cabin, accelerating the separation of a tire carrier and the gallery bridge on the flat barge, enabling the barge to carry the tire carrier to shift, and successfully erecting the gallery bridge. In the erection and fixing stage, the bridge needs to be aligned with a connecting member on the pier, and is generally fixed by matching a cable rope and a welded baffle or a fixed plate.
As the preferable scheme of the method for erecting the large-span steel structure gallery bridge by utilizing the tidal range, the steel structure gallery bridge is formed by a plurality of gallery bridge sections; erecting a middle member of the steel structure gallery bridge on a support structure in the middle of a barge hull in advance; the rest gallery bridge segments are additionally installed to two sides by a middle component until the integral steel structure gallery bridge structure is completed; the supporting structure is formed by means of a plurality of sections of frame bodies, and mooring ropes are added on the outer sides of the supporting structure for stabilization.
As the preferable scheme of the method for erecting the large-span steel structure corridor bridge by utilizing the tidal range, the barge body is filled with water or drained by a submersible pump to lift the barge body. The submersible pump can be used for lowering the height between the deck surface and the water level of the barge when the barge is filled with water,
as a preferable scheme of the erection method for realizing the large-span steel structure corridor bridge by utilizing the tidal range, after the barge hull is positioned at the erection position, cable piles are built on the shore (generally, wharfs and the like) in advance, and the cable piles are tied up by using the shore to stabilize the barge hull.
As the preferable scheme of the method for erecting the large-span steel structure corridor bridge by utilizing the tidal range, the supporting structure is formed by combining a plurality of supporting frames.
As the preferable scheme of the method for erecting the large-span steel structure corridor bridge by utilizing the tidal range, a barge body is integrally rotated by a tug.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The method for erecting the large-span steel structure gallery bridge by using the tidal range is characterized by comprising the following steps of: the steel structure corridor bridge is built on a barge, and the height of the barge is adjusted by the rising or falling of the water level; the erection method of the steel structure gallery bridge comprises the following steps:
step one, erecting a support structure on a barge, and loading a steel structure gallery bridge on the barge;
step two, measuring the rise and fall tide time of the erected river channel;
step three, when the river course falls into the tide, the barge refutes the steel structure gallery bridge to the erection point;
step four, when the river channel tide rises, integrally adjusting the steel structure gallery bridge to the position above the erection pier in the ship body direction;
fifthly, adjusting the height of the steel structure gallery bridge through the barge body until the steel structure gallery bridge is firmly connected with the pier;
and sixthly, removing the connection between the barge hull and the steel structure gallery bridge, and withdrawing the barge to finish the operation.
2. The erection method of the large-span steel structure corridor bridge by using the tidal range according to claim 1, which is characterized in that: the steel structure gallery bridge is formed by a plurality of gallery bridge sections; erecting a middle member of the steel structure gallery bridge on a support structure in the middle of a barge hull in advance; and the rest gallery bridge segments are additionally arranged to two sides by a middle component until the integral steel structure gallery bridge structure is completed.
3. The erection method of the large-span steel structure corridor bridge by using the tidal range according to claim 1, which is characterized in that: the barge body is filled with water or drained through a submersible pump to lift the barge body.
4. The erection method of the large-span steel structure corridor bridge by using the tidal range according to claim 1, which is characterized in that: after the barge body is positioned at the erection position in the fourth step, stabilizing the barge body through a shore cable; the shore is provided with a bollard.
5. The erection method of the large-span steel structure corridor bridge by using the tidal range according to claim 1, which is characterized in that: the supporting structure is formed by combining a plurality of supporting frames.
6. The erection method of the large-span steel structure corridor bridge by using the tidal range according to claim 1, which is characterized in that: the barge hull is rotated integrally by the tug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924179.2A CN111411587A (en) | 2019-09-27 | 2019-09-27 | Method for erecting large-span steel structure gallery bridge by utilizing tidal range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924179.2A CN111411587A (en) | 2019-09-27 | 2019-09-27 | Method for erecting large-span steel structure gallery bridge by utilizing tidal range |
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| CN111411587A true CN111411587A (en) | 2020-07-14 |
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| CN201910924179.2A Pending CN111411587A (en) | 2019-09-27 | 2019-09-27 | Method for erecting large-span steel structure gallery bridge by utilizing tidal range |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469182A2 (en) * | 1990-07-30 | 1992-02-05 | Vulkan Engineering Gmbh | Device for lifting, lowering and the water carriage of heavy loads |
| CN101392501A (en) * | 2007-09-17 | 2009-03-25 | 上海远东国际桥梁建设有限公司 | Erection method for wide span steel box bridge |
| CN101881007A (en) * | 2009-05-05 | 2010-11-10 | 上海船厂船舶有限公司 | Method for disassembling and assembling superaqueous bridge |
| CN104711930A (en) * | 2015-02-06 | 2015-06-17 | 浙江国丰集团有限公司 | Installation and construction method for large-diameter pipe bridge on ultra-wide river way |
| CN105603861A (en) * | 2016-02-24 | 2016-05-25 | 广东省交通规划设计研究院股份有限公司 | Integrated assembling floating transportation lifting arch bridge and construction method thereof |
| CN108330837A (en) * | 2018-02-05 | 2018-07-27 | 石家庄铁道大学 | Set up the construction method of girder steel |
-
2019
- 2019-09-27 CN CN201910924179.2A patent/CN111411587A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469182A2 (en) * | 1990-07-30 | 1992-02-05 | Vulkan Engineering Gmbh | Device for lifting, lowering and the water carriage of heavy loads |
| CN101392501A (en) * | 2007-09-17 | 2009-03-25 | 上海远东国际桥梁建设有限公司 | Erection method for wide span steel box bridge |
| CN101881007A (en) * | 2009-05-05 | 2010-11-10 | 上海船厂船舶有限公司 | Method for disassembling and assembling superaqueous bridge |
| CN104711930A (en) * | 2015-02-06 | 2015-06-17 | 浙江国丰集团有限公司 | Installation and construction method for large-diameter pipe bridge on ultra-wide river way |
| CN105603861A (en) * | 2016-02-24 | 2016-05-25 | 广东省交通规划设计研究院股份有限公司 | Integrated assembling floating transportation lifting arch bridge and construction method thereof |
| CN108330837A (en) * | 2018-02-05 | 2018-07-27 | 石家庄铁道大学 | Set up the construction method of girder steel |
Non-Patent Citations (1)
| Title |
|---|
| 韩建伟: "国内内河第一大廊桥成功架设", 《百度》 * |
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Application publication date: 20200714 |