CN208346613U - A kind of Two bors d's oeuveres box girder with corrugated steel webs structure - Google Patents
A kind of Two bors d's oeuveres box girder with corrugated steel webs structure Download PDFInfo
- Publication number
- CN208346613U CN208346613U CN201820642580.8U CN201820642580U CN208346613U CN 208346613 U CN208346613 U CN 208346613U CN 201820642580 U CN201820642580 U CN 201820642580U CN 208346613 U CN208346613 U CN 208346613U
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- China
- Prior art keywords
- bors
- oeuveres
- wavelike steel
- bottom plate
- steel webplate
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Abstract
The utility model belongs to the Wavelike steel webplate technical field in science of bridge building, specifically, it is related to a kind of Two bors d's oeuveres box girder with corrugated steel webs structure, including upper limb grillage, Two bors d's oeuveres Wavelike steel webplate and bottom plate cage, upper limb grillage, bottom plate cage and two pieces of Two bors d's oeuveres Wavelike steel webplates surround an inverted ladder cavity；Upper limb grillage includes that multiple wing plates indulge ring and the horizontal ring of multiple wing plates, and wing plate indulges ring and the horizontal ring square crossing of wing plate constitutes a steel structure cage body, and bottom plate cage includes that bottom plate indulges ring and the horizontal ring of bottom plate, and the ring body on the horizontal ring top of bottom plate passes through the circular hole being arranged on U-shaped pedestal.The box-beam structure of the utility model forms complex Wavelike steel webplate, can increase the overall thickness of Wavelike steel webplate by the way that two blocks of steel plates are bolted；The bending resistance the moment of inertia for improving Wavelike steel webplate both direction simultaneously, substantially increases the anti-flexural property of box girder with corrugated steel webs, and then greatly improve the Limit Span of Wavelike steel webplate PC combined bridge.
Description
Technical field
The utility model belongs to the Wavelike steel webplate technical field in science of bridge building, in particular to a kind of Two bors d's oeuveres wave
Shape steel web box girder structure.
Background technique
Wavelike steel webplate PC composite bridge Liangqi distinguishing feature is to replace 18~80cm mixed with the Wavelike steel webplate of 8~30mm thickness
Solidifying soil web.The concrete web of box beam self weight 25% or so is accounted for using wave shape steel web, the self weight of box beam is greatly reduced,
Reduce the top and the bottom Structural Engineering amount including foundation engineering, so that material utilization amount is reduced, according to operating condition difference in 50m-
Traditional prestressed concrete bridge has 5%~15% project cost to save to 300m across footpath on year-on-year basis.Since box beam Wavelike steel webplate can
It being made with factory and self weight is lighter, erection construction is promoted to be easier, Wavelike steel webplate substitutes traditional prestressed concrete web,
Also accordingly reduce the assembly of reinforcing bar and template, remove operation, and then shorten the duration.
Wavelike steel webplate PC combined bridge meets the development trend of modern bridge " lightweight, high-strength, Long span ", gets at home
To be more concerned.With the increase of bridge span, the economy of Wavelike steel webplate PC combined bridge is more obvious, theoretically waveform steel
Web box girder continuous rigid frame (beam) bridge can should can reach bigger span than concrete web box girder bridge.Currently, answering in advance
The maximum span of power concrete web box beam continuous steel frame (beam) bridge is more than 300m, and box girder with corrugated steel webs bridge main span is maximum
Span is 164 m, which is also far from reaching the maximum span of built concrete web box beam continuous rigid frame bridge, more not reach
To the Limit Span of box girder with corrugated steel webs continuous steel frame bridge.The buckling stability of existing Wavelike steel webplate structure type limits
The increase of steel web height, and then limit development of box girder with corrugated steel webs continuous rigid frame (beam) bridge in span, it is economical
Advantage can not sufficiently be shown, and cannot meet the needs of Large Span Bridges very well, so it is urgent to provide a kind of novel waves
Shape steel web box girder structure type.
Utility model content
The main purpose of the utility model is to provide a kind of Two bors d's oeuveres box girder with corrugated steel webs structures, to solve existing wave
The buckling stability of shape steel web structure form limits the increase of steel web height, and then limits box girder with corrugated steel webs company
Continue development of rigid structure (beam) bridge in span, economic advantages can not sufficiently be shown, and existing cannot meet greatly very well
The problems such as demand of across footpath bridge.
To achieve the goals above, the utility model provides a kind of Two bors d's oeuveres box girder with corrugated steel webs structure, including upper limb
Grillage, Two bors d's oeuveres Wavelike steel webplate and bottom plate cage, upper limb grillage frame are located above bottom plate cage, upper limb grillage and bottom plate cage it
Between by the connection of two pieces of Two bors d's oeuveres Wavelike steel webplates, two pieces of Two bors d's oeuveres Wavelike steel webplates are inclined outwardly, upper limb grillage, bottom plate cage and
Two pieces of Two bors d's oeuveres Wavelike steel webplates surround an inverted ladder cavity；The upper limb grillage includes that multiple wing plates indulge ring and multiple wings
The horizontal ring of plate, wing plate indulges ring and the horizontal ring square crossing of wing plate constitutes a steel structure cage body, and the ring body of the horizontal ring lower part of wing plate passes through setting
The circular hole being arranged on Two bors d's oeuveres Wavelike steel webplate；The bottom plate cage includes that bottom plate indulges ring and the horizontal ring of bottom plate, the horizontal ring top of bottom plate
Ring body pass through the circular hole that is arranged on U-shaped pedestal, and the horizontal ring top of bottom plate is at the arc to raise upward；The bottom surface of U-shaped pedestal
It is fixed to be connect with the waveform side of Two bors d's oeuveres Wavelike steel webplate.
Further, the Two bors d's oeuveres Wavelike steel webplate is symmetrically stitched together by two pieces of Wavelike steel webplates and is constituted, and
The trough portion of the two contact is provided with bolt hole, is equipped with bolt in bolt hole；Two bors d's oeuveres Wavelike steel webplate and adjacent Two bors d's oeuveres wave
It is pre-fixed between shape steel web by connector, and is fixed by welding.
Further, the wavelength of the Wavelike steel webplate is 1600mm；The connector include at least protrusion and
One matching concave part, protrusion are connected in concave part；Protrusion and concave part are through entire Wavelike steel webplate
Straight flange.
Further, there are three the connectors, the protrusion of connector it is uniformly distributed be mounted on Two bors d's oeuveres Wavelike steel webplate
At straight flange, the concave part of connector is uniformly distributed to be mounted at the straight flange of another Two bors d's oeuveres Wavelike steel webplate, protrusion and concave part
Matching clamping.
Further, it is provided with the protrusion of connector at a straight flange of the single Two bors d's oeuveres Wavelike steel webplate, protrudes
Portion is fixed to be connected on Two bors d's oeuveres steel web；The groove of connector is provided at an another right-angle side for Two bors d's oeuveres Wavelike steel webplate
Portion, concave part is fixed to be connected on Two bors d's oeuveres steel web.
The beneficial effects of the utility model are: the box-beam structure of the utility model, on the basis of 1600 type Wavelike steel webplates,
Two block-shaped 1600 the same type Wavelike steel webplates are symmetrically stacked, two blocks of steel plates are bolted, and form complex
Wavelike steel webplate, on the one hand, the overall thickness of Wavelike steel webplate can be increased；On the other hand, two sides of Wavelike steel webplate are improved
To bending resistance the moment of inertia, substantially increase the anti-flexural property of box girder with corrugated steel webs.Using Two bors d's oeuveres box girder with corrugated steel webs energy
Enough significantly improve the anti-complete buckling unstability performance of steel web, so greatly improve the limit of Wavelike steel webplate PC combined bridge across
Degree.
By the way that connector, connection are arranged at two straight flanges of Two bors d's oeuveres Wavelike steel webplate in the technical solution of the utility model
Part can play the role of pre-fixing, and can greatly improve assembled speed, assembled working strength be reduced, by multiple Two bors d's oeuveres waves
Shape steel web carries out subsequent welding after being pre-fixed, on the other hand personnel needed on the one hand reducing welding can also
Prestressing force is reduced, the longitudinally connected intensity of Two bors d's oeuveres Wavelike steel webplate is improved.
Detailed description of the invention
In the accompanying drawings:
Fig. 1 is the box-beam structure schematic cross-section of the utility model；
Fig. 2 is the Two bors d's oeuveres Wavelike steel webplate side structure schematic diagram of the utility model；
Fig. 3 is the overall structure schematic top plan view of the utility model；
Fig. 4 is the Two bors d's oeuveres Wavelike steel webplate connector partial enlargement diagram of the utility model；
Fig. 5 is the Two bors d's oeuveres Wavelike steel webplate end structure illustration of the utility model；
Fig. 6 is the concave part schematic diagram of the connector of the utility model；
Fig. 7 is the protrusion schematic diagram of the connector of the utility model；
In figure, 1 is the horizontal ring of grillage, and 2 indulge ring for grillage, and 3 be upper limb grillage, and 4 be Two bors d's oeuveres Wavelike steel webplate, and 401 be circular hole,
5 indulge ring for bottom plate, and 6 be the horizontal ring of bottom plate, and 7 be bottom plate cage, and 8 be concave part, and 801 be concave part pedestal, and 802 is logical for concave part
Slot, 9 be protrusion, and 901 be protrusion through slot, and 902 be protrusion pedestal, and 10 be U-shaped seat, and 11 be crest portion, and 12 be trough portion,
13 be bolt, and 14 be connector.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
It should be noted that term " level-one " in the specification and claims of the utility model and above-mentioned attached drawing,
" second level " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The term used is interchangeable under appropriate circumstances, so as to the embodiments of the present invention described herein.In addition, term " packet
Include " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps
Or the process, method, system, product or equipment of unit those of are not necessarily limited to be clearly listed step or unit, but can wrap
Include other step or units being not clearly listed or intrinsic for these process, methods, product or equipment.
As shown in FIG. 1 to FIG. 7, a kind of Two bors d's oeuveres box girder with corrugated steel webs structure, including upper limb grillage 3, Two bors d's oeuveres waveform steel abdomen
Plate 4 and bottom plate cage 7, upper limb grillage 3 is located at 7 top of bottom plate cage, double by two pieces between upper limb grillage 3 and bottom plate cage 7
Wavelike steel webplate 4 to be spelled to connect, two pieces of Two bors d's oeuveres Wavelike steel webplates 4 are inclined outwardly, specifically, upper limb grillage 3,7 frame of bottom plate cage
An inverted ladder cavity is surrounded with two pieces of Two bors d's oeuveres Wavelike steel webplates 4；Wherein, upper limb grillage 3 includes that multiple wing plates indulge 2 He of ring
Multiple horizontal rings 1 of wing plate, wing plate indulge ring 2 and constitute a steel structure cage body, the ring of horizontal 2 lower part of ring of wing plate with horizontal 1 square crossing of ring of wing plate
Body is interspersed in the circular hole for being arranged in and being arranged on Two bors d's oeuveres Wavelike steel webplate 4；Bottom plate cage 7 includes that multiple bottom plates indulge ring 5 and multiple
The ring body of the horizontal ring 6 of bottom plate, horizontal 6 top of ring of bottom plate is interspersed in the circular hole being arranged on U-shaped pedestal, and the horizontal ring top of bottom plate to
The arc of upper protrusion；Be designed in this way the endurance that can increase bottom plate, the bottom surface of U-shaped pedestal 10 it is fixed with Two bors d's oeuveres waveform steel abdomen
The waveform side of plate 4 connects, and specifically, U-shaped pedestal uses section to be made of the channel steel of U-shaped, the bottom surface of channel steel and two sides
Vertically, corresponding circular hole is provided on two sides of channel steel, circular hole is for penetrating the horizontal ring of bottom plate.
In the present embodiment, Two bors d's oeuveres Wavelike steel webplate 4, including Wavelike steel webplate, Wavelike steel webplate include 11 He of crest portion
Trough portion 12, crest portion 11 and trough portion 12 are alternately arranged, and arc transition are used between crest portion 11 and trough portion 12, that is, adopt
With arc transition, the radius of rounding arc is 15t, and t is the thickness of the steel plate of Wavelike steel webplate, and the range of t is 8mm~30mm.
Two pieces of Wavelike steel webplates, which are symmetrically stitched together, constitutes Two bors d's oeuveres Wavelike steel webplate 4, and is arranged in the trough portion 12 of the two contact
There are two rows of bolts hole, the arrangement of bolt hole is parallel to the straight flange of Wavelike steel webplate, bolt, spiral shell are equipped in bolt hole bolt hole
Bolt is for two Wavelike steel webplates to be fixed.Lead between Two bors d's oeuveres Wavelike steel webplate 4 and adjacent Two bors d's oeuveres Wavelike steel webplate 4
It crosses connector 14 to be pre-fixed, and is fixed by welding.
In the present embodiment, Wavelike steel webplate is stamped to form using trigger squeeze, and the wavelength of Wavelike steel webplate is 1600mm；?
It is provided with connector 14 at the straight flange of Wavelike steel webplate, connector 14 includes at least a protrusion 9 and one matching
Concave part 8, protrusion 9 are connected in concave part 8, and connector 14 is used to pre-fix pre-fixing Two bors d's oeuveres Wavelike steel webplate 4
After facilitate welding.In the case that connector 14 is one, the protrusion 9 and concave part 8 of connector 14 run through entire waveform steel
The straight flange of web.
In the present embodiment, there are three connectors 14, the protrusion 9 of connector 14 it is uniformly distributed be mounted on Two bors d's oeuveres waveform steel abdomen
At the straight flange of plate 4, the concave part 8 of connector 14 is uniformly distributed to be mounted at the straight flange of another Two bors d's oeuveres Wavelike steel webplate 4, protrusion
9 and concave part 8 matching clamping.The protrusion of connector 14 is provided at a straight flange of wherein one piece of Two bors d's oeuveres Wavelike steel webplate 4
Portion 9, protrusion 9 is fixed to be connected on Two bors d's oeuveres steel web；Specifically, protrusion 9 includes that protrusion pedestal 902 and setting exist
Protrusion through slot 901 on protrusion pedestal 902, the maximum planes of protrusion pedestal 902 and the straight flange of Two bors d's oeuveres Wavelike steel webplate 4
The plate face at place, which is fixedly connected, constitutes protrusion 9；The recessed of connector 14 is provided at an another right-angle side for Two bors d's oeuveres Wavelike steel webplate 4
Groove portion 8, concave part 8 is fixed to be connected on Two bors d's oeuveres Wavelike steel webplate 4, and specifically, concave part 8 includes concave part pedestal 801
With the concave part through slot 802 being arranged on concave part pedestal 801, the maximum planes of concave part pedestal 801 remain after being cut by through slot
Remaining face is fixedly connected with the plate face at the straight flange of Two bors d's oeuveres Wavelike steel webplate 4, constitutes concave part.
Specifically, by two pieces of Two bors d's oeuveres Wavelike steel webplates 4 protrusion 9 and about 8 concave part be staggered, then will protrusion
Two pieces of Two bors d's oeuveres Wavelike steel webplates 4 are aligned, at this point, protrusion 9 can be connected to concave part 8 by 9 alignment indentation portion 8 of portion by sliding
It is interior, complete pre-fixing two pieces of Two bors d's oeuveres Wavelike steel webplates 4.
The application is described in detail above, it is used herein can principle and embodiment party of the specific case to the application
Formula is expounded, the description of the example is only used to help understand the method for the present application and its core ideas, meanwhile, it is right
In those of ordinary skill in the art, according to the thought of the application, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (5)
1. a kind of Two bors d's oeuveres box girder with corrugated steel webs structure, including upper limb grillage, Two bors d's oeuveres Wavelike steel webplate and bottom plate cage, upper flange
Frame frame is located above bottom plate cage, and by two pieces of Two bors d's oeuveres Wavelike steel webplate connections between upper limb grillage and bottom plate cage, two pieces double
It spells Wavelike steel webplate to be inclined outwardly, it is characterised in that: upper limb grillage, bottom plate cage and two pieces of Two bors d's oeuveres Wavelike steel webplates surround one
A inverted ladder cavity；The upper limb grillage includes that multiple wing plates indulge ring and the horizontal ring of multiple wing plates, and wing plate indulges ring and wing plate is horizontal
Ring square crossing constitutes a steel structure cage body, and the ring body of the horizontal ring lower part of wing plate passes through to be arranged in be arranged on Two bors d's oeuveres Wavelike steel webplate
Circular hole；The bottom plate cage includes that bottom plate indulges ring and the horizontal ring of bottom plate, and the ring body on the horizontal ring top of bottom plate, which passes through, to be arranged on U-shaped pedestal
Circular hole, and the horizontal ring top of bottom plate is at the arc to raise upward；The fixed wave with Two bors d's oeuveres Wavelike steel webplate in the bottom surface of U-shaped pedestal
The connection of shape side.
2. Two bors d's oeuveres box girder with corrugated steel webs structure according to claim 1, it is characterised in that: the Two bors d's oeuveres Wavelike steel webplate
It is symmetrically stitched together and is constituted by two pieces of Wavelike steel webplates, and the trough portion of the two contact is provided with bolt hole, bolt hole
Bolt is inside installed；It is pre-fixed between Two bors d's oeuveres Wavelike steel webplate and adjacent Two bors d's oeuveres Wavelike steel webplate by connector, and
It is fixed by welding.
3. Two bors d's oeuveres box girder with corrugated steel webs structure according to claim 2, it is characterised in that: the wave of the Wavelike steel webplate
A length of 1600mm；The connector includes at least a protrusion and a matching concave part, and protrusion is connected to recessed
In groove portion；Protrusion and concave part run through the straight flange of entire Wavelike steel webplate.
4. Two bors d's oeuveres box girder with corrugated steel webs structure according to claim 2, it is characterised in that: there are three the connectors,
The protrusion of connector is uniformly distributed to be mounted at the straight flange of Two bors d's oeuveres Wavelike steel webplate, and the concave part of connector is uniformly distributed to be mounted on separately
At the straight flange of one Two bors d's oeuveres Wavelike steel webplate, protrusion and concave part matching clamping.
5. Two bors d's oeuveres box girder with corrugated steel webs structure according to claim 4, it is characterised in that: the single Two bors d's oeuveres waveform steel
The protrusion of connector is provided at one straight flange of web, protrusion is fixed to be connected on Two bors d's oeuveres steel web；Two bors d's oeuveres waveform
The concave part of connector is provided at an another right-angle side for steel web, concave part is fixed to be connected on Two bors d's oeuveres steel web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642580.8U CN208346613U (en) | 2018-05-02 | 2018-05-02 | A kind of Two bors d's oeuveres box girder with corrugated steel webs structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820642580.8U CN208346613U (en) | 2018-05-02 | 2018-05-02 | A kind of Two bors d's oeuveres box girder with corrugated steel webs structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208346613U true CN208346613U (en) | 2019-01-08 |
Family
ID=64888268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820642580.8U Expired - Fee Related CN208346613U (en) | 2018-05-02 | 2018-05-02 | A kind of Two bors d's oeuveres box girder with corrugated steel webs structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208346613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095446A (en) * | 2020-09-16 | 2020-12-18 | 贵州路桥集团有限公司 | Y-shaped steel component of steel-concrete composite beam |
-
2018
- 2018-05-02 CN CN201820642580.8U patent/CN208346613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095446A (en) * | 2020-09-16 | 2020-12-18 | 贵州路桥集团有限公司 | Y-shaped steel component of steel-concrete composite beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20200502 |