CN108755449B - Manufacturing method of steel bridge deck for replacing bridge deck - Google Patents
Manufacturing method of steel bridge deck for replacing bridge deck Download PDFInfo
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- CN108755449B CN108755449B CN201711214616.9A CN201711214616A CN108755449B CN 108755449 B CN108755449 B CN 108755449B CN 201711214616 A CN201711214616 A CN 201711214616A CN 108755449 B CN108755449 B CN 108755449B
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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Abstract
The invention relates to a manufacturing method of a novel steel bridge deck for replacing the bridge deck, which comprises the following steps: manufacturing a jig frame, paving a bridge deck, assembling a steel bridge deck, and checking a lower jig; the steel bridge deck is assembled on the jig frame in a modularized mode through the jig frame with the curb buttress area and the bridge deck buttress area, a plurality of sections can be assembled on the jig frame simultaneously in a sectional mode, and the assembling precision and the assembling efficiency are high by means of the same jig frame reference; in addition, the longitudinal beams and the cross beams on the jig frame can ensure that all U-shaped ribs of the beam section are smoothly connected with other internal structures by adopting a matching positioning method; through control the decking simultaneously when the stiffening rib is supported in the assembly welding and assemble central dimension, utilize welding clearance adjustment panel to assemble positive and negative tolerance, prevent to add up to form great dimensional error, influence is assembled, has improved the precision of modularization equipment.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a manufacturing method of a steel bridge deck for replacing the bridge deck.
Background
The general highway bridge floor needs to be replaced after the designed service life is reached, the whole replacement of the bridge floor adopts a sectional replacement mode, the modularization degree of the rigid bridge floor designed by the general bridge floor replacement is low, the whole transformation efficiency is low, the consumed time is long, and the rapid modularized replacement cannot be realized; for example, the reinforcing and reforming of the Nanjing Yangtze river bridge highway bridge, the original highway bridge deck system is integrally replaced by adopting an orthotropic steel bridge deck steel girder, and the replaced orthotropic steel bridge deck integral bridge deck structure consists of longitudinal ribs, transverse beams and reinforced steel bridge decks; the bridge deck reconstruction needs to be realized in a modularized and efficient mode; there is therefore a need for a method of manufacturing steel deck panels to achieve efficient replacement.
The method for reconstructing the orthotropic steel bridge deck, as disclosed in Chinese patent 201410150176.5, is characterized by comprising the following steps: A. making a measurement scheme of main control points of the full bridge of the old bridge structure so as to obtain the overall line shape of the old bridge structure; B. making a measurement scheme of control points of all sections of the old bridge structure so as to obtain main control sizes of all sections of the old bridge structure; C. aiming at the types and sizes of existing holes, new holes and/or construction site matched holes which are needed to be used when the new structure and the old structure are matched and connected, the position scheme of each hole on the cross beam and the longitudinal beam of the old bridge structure is made through field measurement; D. the prefabricated orthotropic steel bridge Deck (DP) is bolted with an old bridge structure through angle steel.
Although the above-mentioned patent realizes the renewal of whole bridge floor through the mode of reforming transform old bridge to a certain extent, what adopt is that the structure mode of non-modularization, and the time is holistic inefficiency, and the modularization degree is low.
Disclosure of Invention
The invention aims to provide a manufacturing method of a steel bridge deck for replacing the bridge deck, which solves the problems that the general bridge steel structure adopts integral replacement instead of a modularized sectional manufacturing mode, the integral period is long and the efficiency is low.
In order to solve the technical problems, the technical scheme of the invention is as follows: a manufacturing approach used for bridge floor to change the steel bridge floor, the assembly of the joint section of the highway adopts the way of matching the upside-down mounting continuously, each round of assembly several whole sections, leave one section to participate in assembling as the mother's section of the next round after one round of assembly is finished; the innovation points are as follows: the specific manufacturing method is as follows:
s1: manufacturing a jig frame: setting a longitudinal baseline, a transverse baseline and a datum point on a horizontal base plane; arranging a plurality of jig frame buttresses according to the longitudinal base line, the transverse base line and the datum points to form a curb buttress area and a bridge deck buttress area; the area of the area formed by the jig frame buttress is larger than the manufacturing area of the whole section unit of the steel bridge deck;
s2: paving a bridge deck: the center plate unit of the bridge deck is superposed with the center line of the jig frame and used as a positioning reference of other bridge deck units; the bridge deck unit is positioned from the center to two sides and sequentially covers a bridge deck buttress area and a curb buttress area, and a dental plate is arranged between the bridge deck and the jig buttress to control the line type and the pre-camber of the bridge deck;
s3: assembling the steel bridge deck:
s3.1: assembling a bridge deck buttress area beam: positioning and assembling beams in the bridge deck buttress area by taking the longitudinal base line and the transverse base line of the jig frame as references, controlling the distance between the beams, checking the transverse gradient of the upper edge of the beam, and fixing by using a horse board;
s3.2: assembling the cross beam and the transverse ribs in the curb buttress area: positioning and assembling the cross beams and the transverse ribs in the curb area by taking the longitudinal base line and the transverse base line of the jig as references;
s3.3: assembling the longitudinal beam: sequentially positioning the longitudinal beam and assembling the longitudinal beam in the bridge deck buttress area and the curb buttress area by using the jig frame end positioning device and the longitudinal base line of the jig frame; the longitudinal beams and the cross beams are positioned in a matching way;
s3.4: assembling and welding a supporting stiffening rib: after the cross beam and the longitudinal beam are in place, the supporting stiffening ribs are assembled and welded to reinforce the integral structure of the steel bridge floor,
s3.5: turning over, assembling and welding curb: turning over the steel bridge deck on which the assembly welding supporting stiffening ribs are completed on a jig frame, and welding a curb in a curb buttress area;
s4: inspecting the lower tire: after assembly, comprehensively inspecting the line shape, the size, the welding line, the auxiliary structure and the like of the assembled road bridge surface according to the design size requirement, wherein all detection data are required to meet the requirement; after the beam sections are comprehensively detected to be qualified, correcting the longitudinal base line and the transverse base line of the highway bridge deck by taking the longitudinal base line and the transverse base line on the jig frame as the reference to be used as the line for integrally assembling the beam sections, and rechecking the relative difference between the interfaces of two adjacent bridge decks and correcting when the difference is out of tolerance; and (5) discharging the tire after the tire is inspected to be qualified.
Further, the slope formed by the pavement of the bridge deck slab and the matching of the dental plates in the bridge deck buttress area is 1.5%.
Furthermore, when the stiffening ribs are assembled and welded in S3.4, the assembling center size of the bridge deck is controlled, the welding clearance is utilized to adjust the assembling positive and negative tolerance of the deck, and the large size error caused by accumulation is prevented from influencing the assembling.
Furthermore, the positioning device at the end part of the jig frame is a bolt hole and an end longitudinal beam bolt hole which are positioned through a punching nail.
Furthermore, the longitudinal and transverse connection of the bridge deck plates is fusion penetration welding.
The invention has the advantages that:
1) according to the invention, the steel bridge deck is assembled on the jig frame in a modularized manner by arranging the jig frame with the curb buttress area and the bridge deck buttress area, a plurality of sections can be assembled on the jig frame simultaneously in a sectional manner, and the assembling precision and the efficiency are high by depending on the same jig frame reference; in addition, the longitudinal beams and the cross beams on the tire frames can ensure that all U-shaped ribs of the beam sections are smoothly connected with other internal structures by adopting a matching positioning method.
2) According to the invention, the assembling center size of the bridge deck is controlled simultaneously when the stiffening ribs are assembled and welded, and the positive and negative tolerances of the assembling of the deck are adjusted by using the welding gap, so that the large size error caused by accumulation is prevented from influencing the assembling, and the precision of modularized assembling is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Figure 1 is a top view of a carcass of a method of manufacturing a steel deck for deck replacement according to the present invention.
Figure 2 is a side view of a carcass of a method of manufacturing a steel deck for deck replacement according to the invention.
Figure 3 is a schematic illustration of the deck slab laying of a method of manufacturing a steel deck for deck replacement according to the invention.
Figure 4 is a schematic view of the installation of the cross beams of a method of manufacturing a steel deck for deck replacement according to the invention.
Figure 5 is a general schematic view of a steel deck according to the method of the invention for the manufacture of a steel deck for deck replacement.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1 to 5, the method for manufacturing a steel bridge deck for deck replacement is characterized in that the road joint sections are assembled in a continuous matching and inverted manner, a plurality of whole sections are assembled in each round, and one section is left to be used as a mother section of the next round for assembly after one round of assembly is completed; the innovation points are as follows: the specific manufacturing method is as follows:
s1: manufacturing a jig frame 1: setting a longitudinal baseline, a transverse baseline and a datum point on a horizontal base plane; arranging a plurality of jig support piers according to the longitudinal base line, the transverse base line and the reference point to form a curb support pier area 11 and a bridge deck support pier area 12; the area of the area formed by the jig frame buttress is larger than the manufacturing area of the whole section unit of the steel bridge deck;
s2: paving a bridge deck: the center plate unit of the bridge deck 2 is superposed with the center line of the jig frame 1 and used as a positioning reference of other bridge deck units; the bridge deck unit is positioned from the center to two sides and sequentially covers a bridge deck buttress area 12 and a curb buttress area 11, and a dental plate is arranged between the bridge deck 2 and a jig buttress to control the line type and the pre-camber of the bridge deck;
s3: assembling the steel bridge deck:
s3.1: assembling the beam 3 in the bridge deck buttress area 12: positioning and assembling the cross beams 3 in the bridge deck buttress area 12 by taking the longitudinal base line and the transverse base line of the jig frame 1 as references, controlling the distance between the cross beams 3, checking the transverse gradient of the upper edge of the cross beam 3, and fixing by using a horse board;
s3.2: assembling 11 cross beams and transverse ribs in the curb buttress area: positioning and assembling the cross beams 3 and the transverse ribs of the curb areas 11 by taking the longitudinal base lines and the transverse base lines of the jig frame 1 as references;
s3.3: assembling the longitudinal beam 4: sequentially positioning the longitudinal beam 4 and assembling the longitudinal beam 4 in a bridge deck buttress area 12 and a curb buttress area 11 by using the positioning device at the end part of the jig frame 1 and the longitudinal base line of the jig frame 1; the longitudinal beams 4 and the cross beams 3 are positioned mutually;
s3.4: assembling and welding a supporting stiffening rib: after the cross beam 3 and the longitudinal beam 4 are in place, the supporting stiffening ribs are assembled and welded to reinforce the integral structure of the steel bridge floor,
s3.5: turning over, assembling and welding curb: turning over the steel bridge deck on the jig frame 1 after the assembly welding supporting stiffening ribs are completed, and welding a curb in the curb buttress area;
s4: inspecting the lower tire: after assembly, comprehensively inspecting the line shape, the size, the welding line, the auxiliary structure and the like of the assembled road bridge surface according to the design size requirement, wherein all detection data are required to meet the requirement; after the beam sections are detected to be qualified comprehensively, correcting the longitudinal base line and the transverse base line of the highway bridge deck by taking the longitudinal base line and the transverse base line on the jig frame 1 as the reference to be used as the line for integrally assembling the beam sections, and rechecking the relative difference between the interfaces of two adjacent bridge decks and correcting when the difference is out of tolerance; and (5) discharging the tire after the tire is inspected to be qualified.
The slope formed by the pavement of the bridge deck 2 and the cooperation of the dental plates in the bridge deck buttress area 12 is 1.5%.
And S3.4, when the stiffening ribs are assembled and welded, the assembling center size of the bridge panel is controlled, and the assembling positive and negative tolerances of the panel are adjusted by utilizing the welding gap, so that the large size error formed by accumulation is prevented from influencing the assembling.
The positioning device at the end part of the jig frame 1 is that a bolt hole and a bolt hole of an end longitudinal beam are positioned through a punching nail.
The longitudinal and transverse connection of the bridge deck 2 is fusion penetration welding.
Basic dimension tolerance diagram of steel bridge deck
Tolerance of bridge deck slab assembly
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A manufacturing approach used for bridge floor to change the steel bridge floor, the assembly of the joint section of the highway adopts the way of matching the upside-down mounting continuously, each round of assembly several whole sections, leave one section to participate in assembling as the mother's section of the next round after one round of assembly is finished; the method is characterized in that: the specific manufacturing method is as follows:
s1: manufacturing a jig frame: setting a longitudinal baseline, a transverse baseline and a datum point on a horizontal base plane; arranging a plurality of jig frame buttresses according to the longitudinal base line, the transverse base line and the datum points to form a curb buttress area and a bridge deck buttress area; the area of the area formed by the jig frame buttress is larger than the manufacturing area of the whole section unit of the steel bridge deck;
s2: paving a bridge deck: the center plate unit of the bridge deck is superposed with the center line of the jig frame and used as a positioning reference of other bridge deck units; the bridge deck unit is positioned from the center to two sides and sequentially covers a bridge deck buttress area and a curb buttress area, and a dental plate is arranged between the bridge deck and the jig buttress to control the line type and the pre-camber of the bridge deck;
s3: assembling the steel bridge deck:
s3.1: assembling a bridge deck buttress area beam: positioning and assembling beams in the bridge deck buttress area by taking the longitudinal base line and the transverse base line of the jig frame as references, controlling the distance between the beams, checking the transverse gradient of the upper edge of the beam, and fixing by using a horse board;
s3.2: assembling the cross beam and the transverse ribs in the curb buttress area: positioning and assembling the cross beams and the transverse ribs in the curb area by taking the longitudinal base line and the transverse base line of the jig as references;
s3.3: assembling the longitudinal beam: positioning a longitudinal beam and assembling the longitudinal beam in a bridge deck buttress area and a curb buttress area in sequence by using a jig frame end positioning device and a longitudinal base line of a jig frame, wherein the longitudinal beam and a cross beam are positioned in a matching manner;
s3.4: assembling and welding a supporting stiffening rib: after the cross beam and the longitudinal beam are in place, the supporting stiffening ribs are assembled and welded to reinforce the integral structure of the steel bridge floor,
s3.5: turning over, assembling and welding curb: turning over the steel bridge deck on which the assembly welding supporting stiffening ribs are completed on a jig frame, and welding a curb in a curb buttress area;
s4: inspecting the lower tire: after assembly, comprehensively inspecting the line shape, the size, the welding line and the auxiliary structure of the assembled road bridge surface according to the design size requirement, wherein all detection data are required to meet the requirement; after the beam sections are comprehensively detected to be qualified, correcting the longitudinal base line and the transverse base line of the highway bridge deck by taking the longitudinal base line and the transverse base line on the jig frame as the reference to be used as the line for integrally assembling the beam sections, and rechecking the relative difference between the interfaces of two adjacent bridge decks and correcting when the difference is out of tolerance; and (5) discharging the tire after the tire is inspected to be qualified.
2. A method of manufacturing a steel deck for deck replacement according to claim 1, wherein: the slope of the pavement of the bridge deck slab and the slope formed by the dental plates in the bridge deck buttress area is 1.5%.
3. A method of manufacturing a steel deck for deck replacement according to claim 1, wherein: and in S3.4, the assembling central size of the bridge deck is controlled simultaneously when the stiffening ribs are assembled and welded, and the assembling positive and negative tolerances of the deck are adjusted by utilizing the welding clearance, so that the large size error caused by accumulation is prevented from influencing the assembling.
4. A method of manufacturing a steel deck for deck replacement according to claim 1, wherein: and the positioning device at the end part of the jig frame is formed by positioning a bolt hole and a bolt hole of a longitudinal beam at the end part through a punching nail.
5. A method of manufacturing a steel deck for deck replacement according to claim 1, wherein: the longitudinal and transverse connection of the bridge deck plates is fusion penetration welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711214616.9A CN108755449B (en) | 2017-11-28 | 2017-11-28 | Manufacturing method of steel bridge deck for replacing bridge deck |
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| CN201711214616.9A CN108755449B (en) | 2017-11-28 | 2017-11-28 | Manufacturing method of steel bridge deck for replacing bridge deck |
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| CN108755449B true CN108755449B (en) | 2020-06-05 |
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| CN113789729A (en) * | 2021-10-13 | 2021-12-14 | 南通华川交通装备有限责任公司 | Road and bridge steel box girder assembling construction method |
| CN114131250B (en) * | 2021-11-23 | 2023-06-06 | 中铁九桥工程有限公司 | Manufacturing method of orthotropic bridge deck |
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| JP4875775B1 (en) * | 2011-03-29 | 2012-02-15 | 黒沢建設株式会社 | Removal method of bridge deck |
| CN103882815B (en) * | 2014-04-15 | 2016-02-10 | 中铁山桥集团有限公司 | The remodeling method of orthotropic steel bridge deck |
| CN105113410B (en) * | 2015-05-06 | 2017-03-01 | 浙江东南网架股份有限公司 | Support loose tool and using the line style manufacturing process supporting loose tool to set up highway steel bridge |
| CN104894985A (en) * | 2015-06-29 | 2015-09-09 | 郑州大学 | Construction method for rapidly reinforcing orthotropic board bridge floor of U-shaped ribs |
| CN105735129B (en) * | 2016-02-26 | 2017-05-10 | 江苏中铁山桥重工有限公司 | Full-welding truss section modularized splicing method |
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Address after: 226500 Wenjin Road, Yangtze River Town, Rugao City, Nantong City, Jiangsu Province Patentee after: China Railway Shanqiao (Nantong) Co.,Ltd. Address before: 226500 Wenjin Road, Yangtze River Town, Rugao City, Nantong City, Jiangsu Province Patentee before: JIANGSU CHINA RAILWAY SHANHAIGUAN BRIDGE HEAVY INDUSTRY Co.,Ltd. |
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