CN112049078A - Truss-like steel aqueduct of wave web - Google Patents
Truss-like steel aqueduct of wave web Download PDFInfo
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- CN112049078A CN112049078A CN202010711439.0A CN202010711439A CN112049078A CN 112049078 A CN112049078 A CN 112049078A CN 202010711439 A CN202010711439 A CN 202010711439A CN 112049078 A CN112049078 A CN 112049078A
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- truss
- corrugated web
- steel
- aqueduct
- box girder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000005192 partition Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000005336 cracking Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
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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
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a truss type steel aqueduct with a corrugated web plate, which comprises a steel box girder body adopting the corrugated web plate and a truss supporting structure, wherein the steel box girder body is symmetrically arranged along a central shaft, adopts a groove-shaped or U-shaped section and consists of the corrugated web plate and a bottom plate; the truss support structures are at least two pieces and are symmetrically arranged along a central shaft, and each truss support structure consists of a chord member, a parallel connection between two truss lower chord members, a web member and a transverse connection between two truss web members; the corrugated web plate is positioned between the parallel links of the truss support structure, and the bottom plate is supported on the transverse link; the inner side of the parallel connection is provided with a clapboard for providing lateral support for the corrugated web plate. The all-steel structure is adopted, the watertight performance is good, the structure can be assembled and constructed on site after being prefabricated in a factory in sections, the construction speed is high, and the construction quality is easy to guarantee. Compared with a concrete structure, the steel structure has smaller self weight and stronger spanning capability, thereby being more suitable for the construction of a large water passing section and a large-span aqueduct.
Description
Technical Field
The invention belongs to the technical field of bridge engineering and building structures, and relates to a truss type navigation steel aqueduct with a corrugated web.
Background
The aqueduct is a water conveying system consisting of bridges, tunnels or ditches and is used for water passing, passing and navigation. The aqueduct is generally erected on a river or a valley and widely used in hydraulic engineering and drinking water engineering, and in order to ensure the safety of a water delivery process, the aqueduct needs to meet the requirements of bearing capacity and water tightness. The traditional aqueduct usually adopts a prestressed reinforced concrete structure, the concrete structure is prevented from being cracked under tension by applying prestress on the bottom plate and the side wall, the number of prestressed tendons is large, the arrangement is complex, the field construction work is very complicated and difficult, and the engineering quality is difficult to ensure. Because the transverse prestress loss of the traditional bottom plate is large, and the problem of prestress relaxation can occur along with the time, the cracking risk of the concrete tank body is increased, and the repairing after cracking is difficult.
Disclosure of Invention
The invention provides a truss type navigation steel aqueduct with a corrugated web plate, wherein the all-steel structure has the advantage of good water tightness, the cracking problem possibly occurring in concrete materials can be fundamentally avoided by virtue of good structural design, and the crossing capability is stronger compared with a concrete structure, so that the truss type navigation steel aqueduct is more suitable for the construction of a large water passing section and a large-span aqueduct. Meanwhile, by means of the characteristic that the longitudinal rigidity of the corrugated web is small, the tank body can well adapt to uneven temperature difference and deformation of the water body in the tank and the truss outside the tank, and the structural stress performance is greatly improved.
The technical scheme of the invention is as follows:
a truss type navigation steel aqueduct structure with a corrugated web plate comprises a steel box girder body with the corrugated web plate and a truss support structure, wherein the truss support structure provides support for the steel box girder body;
the steel box girder bodies are symmetrically arranged along a central axis, adopt groove-shaped or U-shaped sections and consist of a corrugated web plate and a bottom plate;
the corrugated web plates are located between the truss support structures, and the inner sides of the truss support structures are provided with partition plates for providing lateral support for the corrugated web plates.
The further technology of the invention is as follows:
preferably, the truss support structure is composed of chords on two sides, parallel links between the chords on two sides, web members between the chords on the same side and cross links between the web members, the corrugated web is located between the parallel links of the truss support structure, and the bottom plate is supported on the cross links.
Preferably, the bottom plate of the steel box girder body is a support system consisting of a cross beam and a longitudinal stiffening rib, the cross beam and the longitudinal stiffening rib are integrated into a structure, and the cross beam is supported by the cross connection of the truss support structure.
Preferably, the truss support structure is composed of chord members on two sides and web members between the chord members on the same side.
Compared with the prior art, the invention has the following remarkable effects:
(1) high bearing capacity and large spanning capacity. Compared with a concrete structure, the all-steel structure has smaller self weight and stronger spanning capability, thereby being more suitable for the construction of a large water passing section and a large-span aqueduct.
(2) The construction is convenient, the structure can be assembled and constructed on site after being prefabricated in a factory in segments, the industrialization degree is high, the construction speed is high, and the construction quality is easy to guarantee.
(3) The invention adopts the all-steel structure, thereby fundamentally avoiding the cracking problem of the concrete material.
(4) The non-uniform temperature difference and deformation resistance is strong, and the side wall of the water delivery tank adopts a corrugated web plate with smaller longitudinal rigidity, so that the aqueduct can well adapt to the non-uniform temperature difference and deformation between the water body in the tank and the truss outside the tank, and the purpose of separating a tank bridge is achieved in a structural stress mode.
(5) The aqueduct can be used for navigation, simultaneously, the aqueduct can cross the river surface, the upper navigation and the lower navigation are not mutually influenced, and the aqueduct adopts the corrugated plate to improve the impact capacity of the ship.
Drawings
FIG. 1 is a cross-sectional view of a truss-type support structure of a truss-type steel aqueduct with a corrugated web plate higher than a steel box girder body;
fig. 2 is a longitudinal section view of a truss type steel aqueduct with a corrugated web plate in a truss type beam-arch combined structure system. (ii) a
FIG. 3 is a plan view of a truss-type steel aqueduct with a corrugated web;
FIG. 4 is a cross-sectional view of the steel box girder body and the truss-type support structure of the truss-type steel aqueduct with the corrugated web plate at the same height;
FIG. 5 is a longitudinal section view of a truss type steel aqueduct with a corrugated web plate in a truss type beam structure system.
Detailed Description
The construction of the present invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 3, the invention provides a truss type navigation steel aqueduct with a corrugated web.
The steel box girder comprises a steel box girder body adopting a corrugated web plate and a truss support structure; the steel box girder body is symmetrically arranged along a central axis, adopts a groove-shaped or U-shaped section and consists of a corrugated web 10 and a bottom plate 20;
the truss support structure is higher than the steel box girder body, the truss support structure is at least two pieces and is symmetrically arranged along a central shaft, the truss support structure is composed of chord members 30, a flat connection 40 between the lower chord members of the two trusses, web members 50 and a cross connection 60 between the web members of the two trusses, and each member can adopt various section forms such as an I shape or a box shape.
The steel box girder bottom plate is composed of a cross beam 21 and a longitudinal stiffening rib 22 to form a support system, and the truss support structure provides lateral support for the corrugated web plate 10 through the diaphragm plate 11.
As shown in fig. 3-4, the invention provides another truss type navigation steel aqueduct with corrugated webs.
The steel box girder comprises a steel box girder body adopting a corrugated web plate and a truss support structure; the steel box girder body is symmetrically arranged along a central axis, adopts a groove-shaped or U-shaped section and consists of a corrugated web 10 and a bottom plate 20;
the truss support structure is as high as the steel box girder body and is composed of a chord member 30 and a web member 50. The rod members can adopt various cross-sectional forms such as an I shape or a box shape.
The steel box girder bottom plate is composed of a cross beam 21 and a longitudinal stiffening rib 22 to form a support system, and the truss support structure provides lateral support for the corrugated web plate 10 through the diaphragm plate 11.
The truss-type steel aqueduct with the corrugated web provided by the invention can select a truss-type structural system according to design requirements, as shown in figure 5. A truss-type arched girder composite structural system may also be selected, as shown in fig. 2.
The truss type navigation steel aqueduct with the corrugated web plates, provided by the invention, has the advantages that the all-steel structure is adopted, the cracking problem possibly caused by concrete materials can be fundamentally avoided by means of good structural design, and the spanning capability is stronger compared with a concrete structure, so that the truss type navigation steel aqueduct is more suitable for the construction of a large water passing section and a large-span aqueduct. In addition, by means of the characteristic that the longitudinal rigidity of the corrugated web is small, the tank body can well adapt to the uneven temperature difference between the water body in the tank and the truss outside the tank, and the structural stress performance is greatly improved. The structure can be assembled and constructed on site after being prefabricated in segments in a factory, and has the characteristics of high industrialization degree, high construction speed and easy guarantee of construction quality.
The above description is presented to enable one of ordinary skill in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications can be made to the descriptions and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the description herein, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.
Claims (4)
1. The utility model provides a truss-like steel aqueduct of wave form web which characterized in that: the steel box girder comprises a steel box girder body adopting a corrugated web plate and a truss support structure, wherein the truss support structure provides support for the steel box girder body;
the steel box girder bodies are symmetrically arranged along a central axis, adopt groove-shaped or U-shaped sections and consist of a corrugated web plate and a bottom plate;
the corrugated web plates are located between the truss support structures, and the inner sides of the truss support structures are provided with partition plates for providing lateral support for the corrugated web plates.
2. The truss-type steel aqueduct with corrugated web as claimed in claim 1, wherein: the truss support structure is composed of chords on two sides, parallel links between the chords on the two sides, web members between the chords on the same side and transverse links between the web members, the corrugated web is located between the parallel links of the truss support structure, and the bottom plate is supported on the transverse links.
3. The truss-type steel aqueduct with corrugated web as claimed in claim 2, wherein: the bottom plate of the steel box girder body is composed of a supporting system consisting of a cross beam and a longitudinal stiffening rib, the cross beam and the longitudinal stiffening rib are integrated into a whole, and the cross beam is supported by the cross connection of the truss supporting structure.
4. The truss-type steel aqueduct with corrugated web as claimed in claim 1, wherein: the truss support structure is composed of chord members on two sides and web members between the chord members on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711439.0A CN112049078A (en) | 2020-07-22 | 2020-07-22 | Truss-like steel aqueduct of wave web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010711439.0A CN112049078A (en) | 2020-07-22 | 2020-07-22 | Truss-like steel aqueduct of wave web |
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| Publication Number | Publication Date |
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| CN112049078A true CN112049078A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010711439.0A Pending CN112049078A (en) | 2020-07-22 | 2020-07-22 | Truss-like steel aqueduct of wave web |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726513A (en) * | 2020-12-18 | 2021-04-30 | 青海省引大济湟工程建设运行局 | Prestressed hollow truss arch design and construction method |
| CN113047153A (en) * | 2021-02-07 | 2021-06-29 | 中铁四局集团有限公司 | Method for manufacturing all-welded U-shaped steel structure aqueduct |
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| CN105088970A (en) * | 2015-09-09 | 2015-11-25 | 上海城建市政工程（集团）有限公司 | Construction method of corrugated steel web PC box girder cable-stayed bridge |
| CN106758856A (en) * | 2017-03-09 | 2017-05-31 | 河南省交通规划设计研究院股份有限公司 | The construction method of the pretensioned prestressing corrugated steel web plate composite box girder of precast block |
| CN106906748A (en) * | 2017-03-09 | 2017-06-30 | 河南省交通规划设计研究院股份有限公司 | Based on the construction method for mixing prestressed assembled corrugated steel web plate composite box girder |
| CN107700360A (en) * | 2017-09-19 | 2018-02-16 | 武船重型工程股份有限公司 | A kind of assembling method of truss bridge section |
| CN109137757A (en) * | 2018-11-07 | 2019-01-04 | 深圳市市政设计研究院有限公司 | A kind of anti-buckling structure of large span box girder with corrugated steel webs and construction method |
| CN209144668U (en) * | 2018-11-07 | 2019-07-23 | 深圳市市政设计研究院有限公司 | A kind of anti-buckling structure of large span box girder with corrugated steel webs |
-
2020
- 2020-07-22 CN CN202010711439.0A patent/CN112049078A/en active Pending
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| CN106758856A (en) * | 2017-03-09 | 2017-05-31 | 河南省交通规划设计研究院股份有限公司 | The construction method of the pretensioned prestressing corrugated steel web plate composite box girder of precast block |
| CN106906748A (en) * | 2017-03-09 | 2017-06-30 | 河南省交通规划设计研究院股份有限公司 | Based on the construction method for mixing prestressed assembled corrugated steel web plate composite box girder |
| CN107700360A (en) * | 2017-09-19 | 2018-02-16 | 武船重型工程股份有限公司 | A kind of assembling method of truss bridge section |
| CN109137757A (en) * | 2018-11-07 | 2019-01-04 | 深圳市市政设计研究院有限公司 | A kind of anti-buckling structure of large span box girder with corrugated steel webs and construction method |
| CN209144668U (en) * | 2018-11-07 | 2019-07-23 | 深圳市市政设计研究院有限公司 | A kind of anti-buckling structure of large span box girder with corrugated steel webs |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726513A (en) * | 2020-12-18 | 2021-04-30 | 青海省引大济湟工程建设运行局 | Prestressed hollow truss arch design and construction method |
| CN112726513B (en) * | 2020-12-18 | 2022-04-22 | 青海省引大济湟工程建设运行局 | Prestressed hollow truss arch design and construction method |
| CN113047153A (en) * | 2021-02-07 | 2021-06-29 | 中铁四局集团有限公司 | Method for manufacturing all-welded U-shaped steel structure aqueduct |
| GB2604016A (en) * | 2021-02-07 | 2022-08-24 | China Tiesiju Civil Eng Group | Manufacture method of all-welded U-shaped steel structure aqueduct |
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