CN109208486B - Embedding and repairing segmented manufacturing process between steel bridge roof plates - Google Patents
Embedding and repairing segmented manufacturing process between steel bridge roof plates Download PDFInfo
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- CN109208486B CN109208486B CN201811222677.4A CN201811222677A CN109208486B CN 109208486 B CN109208486 B CN 109208486B CN 201811222677 A CN201811222677 A CN 201811222677A CN 109208486 B CN109208486 B CN 109208486B
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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 sectional manufacturing process for embedding and repairing between steel bridge roof plates, which is characterized by comprising the following steps of: the specific manufacturing method is as follows: s1: assembling three sections of bottom plates; s2: installing the T ribs and the box body bottom plate stiffening plates; s3: mounting a T row; s4: mounting a web plate at the inner side of the box body; s5: installing a box body partition plate; s6: mounting a web plate on the outer side of the box body; s7: mounting a box cover plate and a box web bracket; s8: welding a bracket outside the box body; the embedded sections between the steel bridge roof plates adopted in the invention are of a broken line type structure, the structure needs to be produced independently, and the common production process can not meet the requirement of arching at the bent part, so that the bending degree is easy to be insufficient; the bridge roof panel embedding subsections produced by the method can meet the requirement of arching more easily, the difficulty of setting the bending pre-arching degree by adopting a linear type single node in the prior art is reduced, the setting of the bending pre-arching degree of the bridge can be set more easily by adopting the manufacturing method, and the construction period can be shortened.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a sectional manufacturing process for embedding and repairing between steel bridge roof plates.
Background
The bridge research is a western-style large-size bridge, in the manufacturing process of the bridge, the partial structure of the western-style large-size bridge is a bending type structure for embedding and repairing bridge sections, so that inclined bridge plate unit structures need to be processed, an anchor box is installed on a web plate of a truss, the manufacturing method of the bolting and welding web plate of the common anchored box is used for manufacturing a horizontal bolting and welding web plate, the web plate of a fold line type double node is adopted at the position where a stay cable is installed on the western-style large-size bridge, the pre-arching requirement is set, the conventional bolting and welding type single-node web plate depends on connection staggered holes and web plate deformation arching, the western-style large-size bridge adopts a double-node type web plate, the node is provided with a folding point to enable the web plate to achieve the arching requirement more easily, and the manufacturing method of the common web plate cannot meet the manufacturing requirement of the bolting and welding.
Disclosure of Invention
The invention aims to provide a manufacturing process for embedding and repairing sections between steel bridge top plates, which can solve the problem of the required progress of the manufacturing process adopted by the embedding and repairing sections between the top plates of a general broken line type bridge.
In order to solve the technical problems, the technical scheme of the invention is as follows: the embedding and repairing segmented manufacturing process between the top plates of the steel bridge has the innovation points that: the specific manufacturing method is as follows:
s1: assembling three sections of base plates: sequentially welding three sections of bottom plate units with equal width on a jig frame according to a horizontal bottom plate, a first inclined bottom plate and a second inclined bottom plate; an included angle structure of less than 180 degrees is formed between the horizontal bottom plate and the first inclined bottom plate, and an included angle of 180 degrees is formed between the second inclined bottom plate and the first inclined bottom plate;
s2: and (3) installing the T ribs and the box body bottom plate stiffening plates: a plurality of T ribs are sequentially welded at equal intervals at the middle positions on the same surface of the three sections of bottom plates, and a pair of box body bottom plate stiffening plates are arranged outside two sides of each T rib in parallel with the T ribs;
s3: and (3) mounting of T rows: a plurality of T-row structures are arranged in parallel in the extending direction of the three sections of bottom plates respectively perpendicular to the direction of the three sections of bottom plates and the T ribs, and the T rows, the three sections of bottom plates and the T ribs are welded in the form of fillet welds;
s4: installation of the inner side web plate of the box body: welding upper box body inner side webs on two side edges of the T row in a direction perpendicular to the T row and the three sections of bottom plates; and the stiffening plate is welded on the front welding surface of the inner side web plate in the box body;
s5: installation of a box body partition plate: a plurality of box body partition plates are welded at equal intervals in the direction vertical to the inner side web plate of the box body; and fillet weld forms are adopted between the box body partition plate and the box body inner side web plate
S6: installation of the outer web of the box body: welding outer webs of the box body in a direction perpendicular to the partition board of the box body, parallel to the inner side board of the box body and perpendicular to the three sections of bottom boards; full penetration welding is adopted between the box body outer side web plate and the three sections of bottom plates, and fillet welding is adopted between the box body outer side web plate and the box body partition plate;
s7: installation of box body cover plate and box web bracket: a box cover plate structure is welded between a box inner side web plate and a box outer side web plate which are perpendicular to the box body, and a corbel structure is welded in a web plate installation area formed between the box inner side web plate and the box outer side web plate;
s8: welding of corbels outside the box body: a plurality of H-shaped bracket structures are welded on the outer side of the web plate on the outer side of one box body and correspond to the T rows.
Further, the T rows on the first inclined bottom plate form a T-row box structure.
Further, the T-row box structure formed by the H-shaped bracket structure corresponding to the T-row in the S8 is an H-shaped bracket box structure.
The invention has the advantages that:
1) the embedded sections between the steel bridge roof plates adopted in the invention are of a broken line type structure, the structure needs to be produced independently, and the common production process can not meet the requirement of arching at the bent part, so that the bending degree is easy to be insufficient; the bridge roof panel embedding subsections produced by the method can easily meet the requirement of arching, the difficulty of setting the bending pre-arching degree by adopting a linear type single node is reduced, compared with the prior art of setting the bending pre-arching degree by adopting a bridge, the manufacturing method of the invention completely meets the design requirement, the setting of the bending pre-arching degree of the bridge can be more easily set by adopting the manufacturing method of the invention, and the construction period can be shortened.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 to 7 are state diagrams of a manufacturing process of a segment manufacturing process for embedding between steel bridge roof plates according to the present invention.
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.
A sectional manufacturing process for embedding and repairing between steel bridge roof plates comprises the following specific steps:
as shown in fig. 1: s1: assembling three sections of base plates: sequentially welding three sections of bottom plate units with equal width on a jig frame according to a horizontal bottom plate, a first inclined bottom plate and a second inclined bottom plate; an included angle structure of less than 180 degrees is formed between the horizontal bottom plate and the first inclined bottom plate, and an included angle of 180 degrees is formed between the second inclined bottom plate and the first inclined bottom plate;
as shown in fig. 1: s2: and (3) installing the T ribs and the box body bottom plate stiffening plates: a plurality of T ribs are sequentially welded at equal intervals at the middle positions on the same surface of the three sections of bottom plates, and a pair of box body bottom plate stiffening plates are arranged outside two sides of each T rib in parallel with the T ribs;
as shown in fig. 2: s3: and (3) mounting of T rows: a plurality of T-row structures are arranged in parallel in the extending direction of the three sections of bottom plates respectively perpendicular to the direction of the three sections of bottom plates and the T ribs, and the T rows, the three sections of bottom plates and the T ribs are welded in the form of fillet welds;
as shown in fig. 3: s4: installation of the inner side web plate of the box body: welding upper box body inner side webs on two side edges of the T row in a direction perpendicular to the T row and the three sections of bottom plates; and the stiffening plate is welded on the front welding surface of the inner side web plate in the box body;
as shown in fig. 4: s5: installation of a box body partition plate: a plurality of box body partition plates are welded at equal intervals in the direction vertical to the inner side web plate of the box body; and fillet weld forms are adopted between the box body partition plate and the box body inner side web plate
As shown in fig. 5: s6: installation of the outer web of the box body: welding outer webs of the box body in a direction perpendicular to the partition board of the box body, parallel to the inner side board of the box body and perpendicular to the three sections of bottom boards; full penetration welding is adopted between the box body outer side web plate and the three sections of bottom plates, and fillet welding is adopted between the box body outer side web plate and the box body partition plate;
as shown in fig. 6: s7: installation of box body cover plate and box web bracket: a box cover plate structure is welded between a box inner side web plate and a box outer side web plate which are perpendicular to the box body, and a corbel structure is welded in a web plate installation area formed between the box inner side web plate and the box outer side web plate;
as shown in fig. 7: s8: welding of corbels outside the box body: a plurality of H-shaped bracket structures are welded on the outer side of the web plate on the outer side of one box body and correspond to the T rows.
The T rows on the first inclined floor form a T row box structure.
The T-row box structure formed by the H-shaped bracket structure corresponding to the T rows in the S8 is an H-shaped bracket box structure.
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 (3)
1. The utility model provides a build-up segmentation manufacturing process between steel bridge roof plate which characterized in that: the specific manufacturing method is as follows:
s1: assembling three sections of base plates: sequentially welding three sections of bottom plate units with equal width on a jig frame according to a horizontal bottom plate, a first inclined bottom plate and a second inclined bottom plate; an included angle structure of less than 180 degrees is formed between the horizontal bottom plate and the first inclined bottom plate, and an included angle of 180 degrees is formed between the second inclined bottom plate and the first inclined bottom plate;
s2: and (3) installing the T ribs and the box body bottom plate stiffening plates: a plurality of T ribs are sequentially welded at equal intervals at the middle positions on the same surface of the three sections of bottom plates, and a pair of box body bottom plate stiffening plates are arranged outside two sides of each T rib in parallel with the T ribs;
s3: and (3) mounting of T rows: a plurality of T-row structures are arranged in parallel in the extending direction of the three sections of bottom plates respectively perpendicular to the direction of the three sections of bottom plates and the T ribs, and the T rows, the three sections of bottom plates and the T ribs are welded in the form of fillet welds;
s4: installation of the inner side web plate of the box body: welding upper box body inner side webs on two side edges of the T row in a direction perpendicular to the T row and the three sections of bottom plates; and the stiffening plate is welded on the front welding surface of the inner side web plate in the box body;
s5: installation of a box body partition plate: a plurality of box body partition plates are welded at equal intervals in the direction vertical to the inner side web plate of the box body; and fillet weld forms are adopted between the box body partition plate and the box body inner side web plate
S6: installation of the outer web of the box body: welding outer webs of the box body in a direction perpendicular to the partition board of the box body, parallel to the inner side board of the box body and perpendicular to the three sections of bottom boards; full penetration welding is adopted between the box body outer side web plate and the three sections of bottom plates, and fillet welding is adopted between the box body outer side web plate and the box body partition plate;
s7: installation of box body cover plate and box web bracket: a box cover plate structure is welded between a box inner side web plate and a box outer side web plate which are perpendicular to the box body, and a corbel structure is welded in a web plate installation area formed between the box inner side web plate and the box outer side web plate;
s8: welding of corbels outside the box body: a plurality of H-shaped bracket structures are welded on the outer side of the web plate on the outer side of one box body and correspond to the T rows.
2. The sectional manufacturing process for the embedding and repairing between the top plates of the steel bridge as claimed in claim 1, wherein: the T rows on the first inclined bottom plate form a T-row box structure.
3. The process of claim 2, wherein the process comprises the following steps: and the T-row box structure formed by the H-shaped bracket structure in the S8 corresponding to the T rows is an H-shaped bracket box structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811222677.4A CN109208486B (en) | 2018-10-19 | 2018-10-19 | Embedding and repairing segmented manufacturing process between steel bridge roof plates |
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| CN201811222677.4A CN109208486B (en) | 2018-10-19 | 2018-10-19 | Embedding and repairing segmented manufacturing process between steel bridge roof plates |
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| CN109208486B true CN109208486B (en) | 2020-09-01 |
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Families Citing this family (9)
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| CN109972492A (en) * | 2019-04-26 | 2019-07-05 | 江苏京沪重工有限公司 | A kind of bridge floor segmentation module and joining section module assembled system |
| CN109989352A (en) * | 2019-04-26 | 2019-07-09 | 江苏京沪重工有限公司 | A kind of Steel Truss Beam top boom and lower boom assembly moulding bed and splicing structure |
| CN109986308B (en) * | 2019-04-26 | 2020-07-28 | 江苏京沪重工有限公司 | Combined building process for U rib and T rib of steel box girder plate unit |
| CN110894705A (en) * | 2019-11-01 | 2020-03-20 | 江苏沪宁钢机股份有限公司 | A safe and stable steel box girder structure applied to bridges |
| CN110670803A (en) * | 2019-11-01 | 2020-01-10 | 江苏沪宁钢机股份有限公司 | Half-box half-truss structure |
| CN113565259B (en) * | 2021-08-18 | 2022-07-15 | 江苏京沪重工有限公司 | Machining process for cantilever section of steel box girder of circular arc cantilever landscape platform |
| CN113605209B (en) * | 2021-08-19 | 2023-03-21 | 江苏京沪重工有限公司 | Assembly process for bent and twisted double-curved bridge sub-box girder |
| CN113695771B (en) * | 2021-08-20 | 2022-10-04 | 江苏京沪重工有限公司 | Cold-pressing welding forming process for arched decorative plate |
| CN114131227B (en) * | 2021-10-18 | 2025-07-25 | 江苏沪宁钢机股份有限公司 | Manufacturing method of box bridge chord |
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| US4644978A (en) * | 1982-04-28 | 1987-02-24 | Bonasso S G | Tension arch structure |
| CN100579712C (en) * | 2007-11-26 | 2010-01-13 | 中铁大桥局集团第七工程有限公司 | Firstly hole drilling construction method in girder steel hole-drilling |
| CN202099719U (en) * | 2011-05-23 | 2012-01-04 | 江苏沪宁钢机股份有限公司 | Steel truss bridge |
| CN102277825B (en) * | 2011-05-23 | 2014-02-26 | 江苏沪宁钢机股份有限公司 | A kind of steel truss bridge and its manufacturing method |
| CN103590321A (en) * | 2013-11-27 | 2014-02-19 | 中铁第四勘察设计院集团有限公司 | Steel tube truss arch bridge |
| CN105040567B (en) * | 2015-05-06 | 2017-02-08 | 浙江东南网架股份有限公司 | Interchange steel bridge and manufacture method thereof |
| CN105729063B (en) * | 2016-02-26 | 2017-11-10 | 江苏中铁山桥重工有限公司 | A kind of box external node chord member preparation method of double anchors |
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