CN109024325A - L shape column adds diagonal brace to add baffle bridge wind shielding structure - Google Patents
L shape column adds diagonal brace to add baffle bridge wind shielding structure Download PDFInfo
- Publication number
- CN109024325A CN109024325A CN201810970205.0A CN201810970205A CN109024325A CN 109024325 A CN109024325 A CN 109024325A CN 201810970205 A CN201810970205 A CN 201810970205A CN 109024325 A CN109024325 A CN 109024325A
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- CN
- China
- Prior art keywords
- wind
- column
- shape
- diagonal brace
- shielding structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
-
- 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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to a kind of L shape columns, and diagonal brace to be added to add baffle bridge wind shielding structure, it keeps out the wind column in the longitudinal arranged in column L shape of T beam flange plate transverse end surface setting, the L shape column that keeps out the wind includes vertical bar and horizon bar two parts, adjacent L shape keep out the wind column vertical bar between be provided with the wind deflector of irregular aperture；L shape, which is kept out the wind, is provided with longitudinal arranged in column diagonal brace between column vertical bar and horizon bar connecting part and T beam bottom portion, oblique steel plate is provided between adjacent diagonal brace, gap is set between oblique steel plate and T beam, diagonal brace and oblique steel plate form the structure of triangular prism shape cavity between T beam lateral outer side and T beam flange plate.Wind load can be effectively reduced to the impact force of vehicle on bridge in the invention of this hair, wind load is consumed by the wind deflector turbulent flow of aperture, when impacting the wind-force reflux of train to pavement position, air-flow can be guided to drain downwards by ventilative steel grating, reduce air-flow and spring back over train bottom again, forms a possibility that lifting force increases torque.
Description
Technical field
The present invention relates to bridge structure technical field of buildings, and in particular to a kind of L shape column adds diagonal brace that baffle bridge is added to keep off
Wind structure.
Background technique
The desert area of inland property weather, strong wind threaten railway operation safety, seriously affect transport benefits, cause undesirable society
It will affect.
Most notably beam wind is influenced on vehicle, bridge is located at height in the air, and the threat by this wind load is bigger.At present
Climate characteristic and local lineament for this strong wind, increase wind shielding structure in the windward side of bridge or two sides, to transverse direction
Wind is blocked, and is reduced infringement of the strong wind to train, is reduced the incidence of unsafe accident.
Summary of the invention
The object of the present invention is to provide a kind of L shape columns, and diagonal brace to be added to add baffle bridge wind shielding structure, hides to beam wind
Gear, prevents beam wind from acting directly on train, and train is caused the generations of unsafe accidents such as to topple.
The technical scheme adopted by the invention is as follows:
L shape column adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
Keep out the wind column in the longitudinal arranged in column L shape of T beam flange plate transverse end surface setting, L shape keep out the wind column include vertical bar and
Horizon bar two parts, adjacent L shape keep out the wind column vertical bar between be provided with the wind deflector of irregular aperture；
L shape, which is kept out the wind, is provided with longitudinal arranged in column diagonal brace, phase between column vertical bar and horizon bar connecting part and T beam bottom portion
It is provided with oblique steel plate between adjacent diagonal brace, gap is set between oblique steel plate and T beam, and diagonal brace and oblique steel plate are in T beam lateral outer side and T beam
The structure of triangular prism shape cavity is formed between flange plate.
T beam flange plate transverse end surface is provided with the column built-in fitting that keeps out the wind, and the keep out the wind horizon bar inner face of column of L shape passes through gear
Wind column built-in fitting is fixed to T beam flange plate transverse end surface, so that L shape be made to keep out the wind column fixed to T beam flange plate.
Adjacent L shape keep out the wind column horizon bar between be provided with lateral pavement horizontal column, pavement horizontal column upper berth
Plate is walked equipped with pavement steel grating.
The lateral outer side in T beam bottom portion is provided with brace embedded part, and diagonal brace lower end is fixed to T beam by brace embedded part, tiltedly
Support upper end and L shape keep out the wind column welded connecting.
The keep out the wind vertical bar of column of L shape is I-steel, and the wind deflector of irregular aperture is laterally inserted into I-shaped steel tank simultaneously
It is bolted.
Oblique steel plate is fixed to ... by welding on diagonal brace.
The wind deflector of irregular aperture is corrugated sheet, and circular hole and slotted hole are distributed with thereon.
The L shape column bridge that keeps out the wind is set at one to spacing 2m, is highly 4m.
L shape keep out the wind column vertical bar top it is inwardly micro-bend.
L shape keep out the wind column horizon bar inside height it is consistent with T beam flange plate.
The invention has the following advantages that
(1) L shape steel column structure is light:
The construction of bridge beam body is smaller, especially the flange plate on the left and right both sides in T beam cross section
Locate smaller, the big wind shielding structure superimposed of construction size, is influenced by structure own wt, T beam construction size is difficult to
Meet requirement.L shape steel column may be calculated after on column part open, reduce the self weight of column.
(2) the waveform wind deflector of irregular aperture can consume wind-force, reduce structure stress:
By the irregular hole interlaced arrangement such as opened round, ellipse, triangle, rectangle on paravent, cause through wave
The wind direction and wind-force of shape wind deflector are strong and weak different.Irregular aperture forms turbulent flow, consumes mutually, reduces wind speed.Parallel aperture
Afterwards, a part of wind load acts directly on paravent, causes wind load suffered by paravent smaller than the load of non-aperture.And
After aperture, wind deflector weight becomes smaller, and vertical load becomes smaller.
(3) triangular prism shape cavity in bottom can further enhance windproof effect:
Triangular prism shape cavity, the effect of bottom crosswind force, by fluid suction, air pressure can be lower than external pressure in cavity, work as top
It is acted on ON TRAINS through the transversely and horizontally wind of waveform wind deflector, the air-flow under counter steer can be discharged into down by ventilative steel grating
Portion's triangular cavity is drained, and will not be sprung back over train bottom again and be formed lifting force, reduces wind-force to the torsion moment of flexure of train, into
One step enhances windproof effect.
(4) diagonal brace between beam bottom portion and L shape column disperses wind load:
Beam bottom portion and L shape keep out the wind column long short side between add column, change dynamics pipeline, reduce T flange of beam
Stress at plate disperses wind action power, without meeting force request by increasing T girder construction size, reduces
Cost.
(5) pavement horizontal column is added between two L shapes keep out the wind column:
The horizontal column in pavement is added between two L shapes keep out the wind column, sidewalk loading is dispersed, by Pedestrian Load into one
Step dispersion prevents from concentrating to act on keeping out the wind on column, causes wind load excessive.
(6) pavement horizontal column is added between L shape column, steel grating sidewalk pedestrian board size can be reduced, it is easy to carry
And maintenance construction.
Detailed description of the invention
Fig. 1 is cross-sectional view of the present invention.
Fig. 2 is skiagraph of the present invention.
Fig. 3 is that the ventilative pavement steel grating of the present invention walks plate artwork
Fig. 4 is the ventilative effect picture of the irregular aperture corrugated sheet of the present invention.
Fig. 5 is triangular prism shape cavity wind effect figure of the present invention.
In figure, 1- L shape is kept out the wind column, the wind deflector of the irregular aperture of 2-, 3- diagonal brace, 4- T beam, 5- T beam flange plate,
The pavement 6- horizontal column, the pavement 7- steel grating walk plate, the oblique steel plate of 8-, 9- triangular prism shape cavity.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of L shape columns, and diagonal brace to be added to add baffle bridge wind shielding structure, 4 transverse side of T beam is installed on, to cross
It is aweather blocked, reduces laterally big harm of the wind load to vehicle on bridge etc..
4 top transverse ends of T beam are provided with T beam flange plate 5, the present invention in the setting of 5 transverse end surface of T beam flange plate it is longitudinal at
The L shape of column arrangement is kept out the wind column 1, and it is highly 4m that the L shape column Bridge 1 that keeps out the wind is set at one to spacing 2m.L shape keeps out the wind column 1 including perpendicular
Straight-bar and horizon bar two parts, vertical bar top is inwardly micro-bend, and horizon bar inside height is consistent with 5 side end of T beam flange plate.T beam
5 transverse end surface of flange plate is provided with the column built-in fitting that keeps out the wind, including pre-embedded steel slab and pre-embedded bolt etc., and L shape is kept out the wind the water of column 1
Flat bar inner face by the column built-in fitting that keeps out the wind fixed to 5 transverse end surface of T beam flange plate, so that the L shape column 1 that keeps out the wind be made to be fixed to
T beam flange plate 5.
Adjacent L shape keep out the wind column 1 vertical bar between be provided with the wind deflector 2 of irregular aperture, L shape is kept out the wind column 1
Vertical bar is I-steel, and the wind deflector 2 of irregular aperture is laterally inserted into I-shaped steel tank and is bolted.Irregularly open
The wind deflector 2 in hole is corrugated sheet, and circular hole and slotted hole are distributed with thereon.
L shape keep out the wind be provided between 1 vertical bar of column and horizon bar connecting part and 4 bottom of T beam it is longitudinal arranged in column
Diagonal brace 3.The lateral outer side of 4 bottom of T beam is provided with brace embedded part, including pre-embedded steel slab and pre-embedded bolt etc., and 3 lower end of diagonal brace is logical
Brace embedded part is crossed fixed to T beam 4,3 upper end of diagonal brace and L shape are kept out the wind the welded connecting of column 1.It is provided between adjacent diagonal brace 3 tiltedly
Steel plate 8, oblique steel plate 8 are fixed to ... by welding on diagonal brace 3.Gap, diagonal brace 3 and oblique steel are set between oblique steel plate 8 and T beam 4
Plate 8 forms the structure of triangular prism shape cavity 9 between 4 lateral outer side of T beam and T beam flange plate 5.
Adjacent L shape keep out the wind column 1 horizon bar between be provided with lateral pavement horizontal column 6, in pavement horizontal column 6
It is equipped with pavement steel grating step plate 7.L shape keep out the wind column 1 horizon bar width it is identical as sidewalk width, irregular aperture
Wind deflector 2 and the protective action for playing pedestrian guardrail.Pavement horizontal column 6 can disperse sidewalk loading, prevent from concentrating
It acts on L shape to keep out the wind on column 1, it is excessive to make the at L-shaped 1 root load of column that keeps out the wind.
It realizes that the position of windproof function mainly has at two: transverse direction 1. being consumed by the wind deflector 2 of the irregular aperture in top
Wind-force reduces beam wind to the active force of train.2. triangular prism shape cavity 9, crosswind force between top bridge floor, lower beam bottom
Effect, by fluid suction, air pressure can be lower than external pressure in cavity, when top is through the transverse direction of the wind deflector 2 of irregular aperture
ON TRAINS, the air-flow under counter steer can walk plate 7 by ventilative pavement steel grating and be discharged into lower part triangular prism for horizontal wind effect
Shape cavity 9 is drained, and is drained still further below from the gap between oblique steel plate 8 and T beam 4, will not be sprung back over train bottom again and be formed promotion
Power reduces wind-force to the torsion moment of flexure of train, further enhances windproof effect.
Work progress are as follows:
1, it first constructs T beam 4, keeps out the wind and the pre-buried brace embedded part of stud and keep out the wind vertical in pre-installation during constructing T beam 4
Column built-in fitting.
2, after the completion of the erection of T beam 4, built-in fitting position installation L shape is kept out the wind 3 rod piece of column 1 and diagonal brace in beam body, diagonal brace
3 other sides and L shape are kept out the wind the welding of column 1.
3, it is close to diagonal brace 3 and welds oblique steel plate 8, lower part needs that air-flow can be exported.
4, it keeps out the wind in T beam 4 beam body, two L shapes and pavement horizontal column 6 is installed between column 1.
5, it keeps out the wind on 1 side vertical bar of column in L shape with the wind deflector 2 of the irregular aperture of the installations such as bolt.
6, it keeps out the wind in L shape and is laid with ventilative pavement steel grating step plate 7 between 1 horizon bar of column and pavement horizontal column 6,
Blending bolt is fixed.
The invention of this hair can be effectively reduced wind load and lead to by wind load gear other than vehicle to the impact force of vehicle on bridge
The wind deflector turbulent flow consumption wind load for crossing aperture, resists wind load by wind shielding structure and beam body.And works as and impact train
Wind-force reflux can guide air-flow to drain downwards, reduce air-flow and spring back over column again to pavement position by ventilative steel grating
A possibility that vehicle bottom, formation lifting force, torsion moment of flexure is reduced, threat of the strong wind to vehicle on bridge is effectively reduced.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (10)
1.L shape column adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
It keeps out the wind column (1) in the longitudinal arranged in column L shape of T beam flange plate (5) transverse end surface setting, the L shape column (1) that keeps out the wind includes
Vertical bar and horizon bar two parts, adjacent L shape keep out the wind column (1) vertical bar between be provided with the wind deflector of irregular aperture
(2)；
L shape keep out the wind be provided between column (1) vertical bar and horizon bar connecting part and T beam (4) bottom it is longitudinal arranged in column
Diagonal brace (3) is provided with oblique steel plate (8) between adjacent diagonal brace (3), gap, diagonal brace (3) is arranged between oblique steel plate (8) and T beam (4)
The structure of triangular prism shape cavity (9) is formed between T beam (4) lateral outer side and T beam flange plate (5) with oblique steel plate (8).
2. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
T beam flange plate (5) transverse end surface is provided with the column built-in fitting that keeps out the wind, and the keep out the wind horizon bar inner face of column (1) of L shape passes through
The column built-in fitting that keeps out the wind is fixed to T beam flange plate (5) transverse end surface, so that L shape be made to keep out the wind column (1) fixed to T beam flange plate
(5).
3. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
Adjacent L shape keep out the wind column (1) horizon bar between be provided with lateral pavement horizontal column (6), pavement horizontal column (6)
On be equipped with pavement steel grating step plate (7).
4. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
The lateral outer side of T beam (4) bottom is provided with brace embedded part, and diagonal brace (3) lower end is fixed to T beam by brace embedded part
(4), diagonal brace (3) upper end and L shape are kept out the wind column (1) welded connecting.
5. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
The keep out the wind vertical bar of column (1) of L shape is I-steel, and the wind deflector (2) of irregular aperture is laterally inserted into I-shaped steel tank
And it is bolted.
6. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
Oblique steel plate (8) is fixed to ... by welding on diagonal brace (3).
7. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
The wind deflector (2) of irregular aperture is corrugated sheet, and circular hole and slotted hole are distributed with thereon.
8. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
L shape column (1) bridge that keeps out the wind is set at one to spacing 2m, is highly 4m.
9. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
L shape keep out the wind column (1) vertical bar top it is inwardly micro-bend.
10. L shape column according to claim 1 adds diagonal brace to add baffle bridge wind shielding structure, it is characterised in that:
L shape keep out the wind column (1) horizon bar inside height and T beam flange plate (5) it is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970205.0A CN109024325A (en) | 2018-08-24 | 2018-08-24 | L shape column adds diagonal brace to add baffle bridge wind shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970205.0A CN109024325A (en) | 2018-08-24 | 2018-08-24 | L shape column adds diagonal brace to add baffle bridge wind shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024325A true CN109024325A (en) | 2018-12-18 |
Family
ID=64627299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970205.0A Pending CN109024325A (en) | 2018-08-24 | 2018-08-24 | L shape column adds diagonal brace to add baffle bridge wind shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024325A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
| CN113236017A (en) * | 2021-04-23 | 2021-08-10 | 中建三局第二建设工程有限责任公司 | Wind-break wall for desert area |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188970A (en) * | 1998-01-29 | 2000-07-11 | Kowatari Shigenobu | Supporting structure for windbreaking net |
| CN201406629Y (en) * | 2009-04-21 | 2010-02-17 | 中铁第一勘察设计院集团有限公司 | Railroad bridge wind shield |
| CN103938559A (en) * | 2014-04-11 | 2014-07-23 | 余江 | Flow guide type air barrier |
| CN104389263A (en) * | 2014-11-28 | 2015-03-04 | 中铁第一勘察设计院集团有限公司 | High-speed railway bridge wind blocking structure |
| CN106400707A (en) * | 2016-11-10 | 2017-02-15 | 中南大学 | Self-rotary air barriers used for bridge for vehicles |
| CN106639634A (en) * | 2017-03-15 | 2017-05-10 | 温州大学瓯江学院 | Wind resistant wall block provided with wind guiding structure |
| CN209339020U (en) * | 2018-08-24 | 2019-09-03 | 中铁第一勘察设计院集团有限公司 | A kind of L shape column adds diagonal brace to add baffle bridge wind shielding structure |
-
2018
- 2018-08-24 CN CN201810970205.0A patent/CN109024325A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188970A (en) * | 1998-01-29 | 2000-07-11 | Kowatari Shigenobu | Supporting structure for windbreaking net |
| CN201406629Y (en) * | 2009-04-21 | 2010-02-17 | 中铁第一勘察设计院集团有限公司 | Railroad bridge wind shield |
| CN103938559A (en) * | 2014-04-11 | 2014-07-23 | 余江 | Flow guide type air barrier |
| CN104389263A (en) * | 2014-11-28 | 2015-03-04 | 中铁第一勘察设计院集团有限公司 | High-speed railway bridge wind blocking structure |
| CN106400707A (en) * | 2016-11-10 | 2017-02-15 | 中南大学 | Self-rotary air barriers used for bridge for vehicles |
| CN106639634A (en) * | 2017-03-15 | 2017-05-10 | 温州大学瓯江学院 | Wind resistant wall block provided with wind guiding structure |
| CN209339020U (en) * | 2018-08-24 | 2019-09-03 | 中铁第一勘察设计院集团有限公司 | A kind of L shape column adds diagonal brace to add baffle bridge wind shielding structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295537A (en) * | 2019-07-02 | 2019-10-01 | 中冶南方工程技术有限公司 | A kind of bridge adds the base unit of sound barrier |
| CN110295537B (en) * | 2019-07-02 | 2021-05-07 | 中冶南方工程技术有限公司 | Bridge adds base device of sound barrier |
| CN113236017A (en) * | 2021-04-23 | 2021-08-10 | 中建三局第二建设工程有限责任公司 | Wind-break wall for desert area |
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