CN105887660A - Perforated plate connecting piece with boot-shaped slots, steel beam and methods - Google Patents
Perforated plate connecting piece with boot-shaped slots, steel beam and methods Download PDFInfo
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- CN105887660A CN105887660A CN201610330681.7A CN201610330681A CN105887660A CN 105887660 A CN105887660 A CN 105887660A CN 201610330681 A CN201610330681 A CN 201610330681A CN 105887660 A CN105887660 A CN 105887660A
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- boot
- perforated plate
- slotted eye
- connector
- shaped
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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
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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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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a perforated plate connecting piece with boot-shaped slots. The perforated plate connecting piece is characterized in that one side of each shear connecting piece has a flat outline, protruded connectors are repeatedly arrayed on the other side of each shear connecting piece, and boot-shaped recessed slots are repeatedly formed in the other side of each shear connecting piece; the shapes of the protruded connectors are consistent with those of the recessed slots after the protruded connectors rotate by 180-degree angles, and the sizes of the protruded connectors are consistent with those of the recessed slots after the protruded connectors rotate by the 180-degree angles; the protruded connectors and the recessed slots of the two connecting pieces with identical sizes can be exactly butted to one another in an embedded manner and can be spliced to form a complete slab after one of the connecting pieces rotates by 180-degree angles. The invention further discloses a steel beam with the perforated plate shear connecting piece with the boot-shaped slots, an orthotropic steel plate provided with the perforated plate shear connecting piece with the boot-shaped slots, a method for machining the perforated plate connecting piece, a method for connecting the perforated plate connecting piece with a concrete bridge deck slab and a construction method for applying the perforated plate connecting piece to composite beams. The perorated plate connecting piece, the steel beam, the orthotropic steel plate, the methods and the construction method have the advantages that perforated plates are high in shear strength and good in fatigue resistance, processes for arranging reinforcing steel bars can be simplified, accordingly, the construction efficiency can be greatly improved, the manufacturing and mounting costs can be saved, and the engineering cost can be lowered.
Description
Technical field
The invention belongs to science of bridge building field, relate to steel-concrete combined structure, especially connecting-piece structure.
Background technology
Composite beam bridge refers to use connector that girder steel element and armored concrete are combined into the cooperative a kind of composite structure in compound section.This structure obtains increasingly extensive application because can effectively play steel and the respective advantage of concrete bi-material.
In order to make armoured concrete slab and girder steel cooperation, must be provided with connector between the two so that do not produce the relative changing of the relative positions between reinforced concrete bridge deck plate and girder steel and separate.Connector is various informative, from rebar connector in early days, structural steel connecting member, and a large amount of weldering nail connectors used, emerging perforated plate connector in nearest engineering till now.Perforated plate connector, utilizes in hole reinforcing bar in concrete tenon and hole to resist longitudinal shear, to arrange perforated rebar and can increase substantially its ultimate bearing capacity in hole.The connector of this form has the biggest shear stiffness, intensity and anti-fatigue performance, is more suitable for the bridge structure that load is relatively large, antifatigue requirement is high.
General perforated plate connector is that the steel plate of band circular hole indulged bridge to being welded on steel beam flange plate along bridge, is embedded in concrete as connector, arranges perforated rebar in circular hole.Owing to the circular hole on this connector steel plate is closed, in work progress, intert and arrange that reinforcing bar is very inconvenient, considerably increase the input of manpower.
Objectively need to propose a kind of novel connector, avoid interspersed reinforcing bar in plate perforate side by side when construction, but directly reinforcing bar let-down is entered in slotted eye, easy construction, simple, and it is easy to ensure that the position of reinforcing bar is consistent with design drawing, reduces the position changing of the relative positions, improve efficiency of construction.
Summary of the invention
In the connector of all kinds of combining structures, compared with welding nail connector, perforated plate connector has the advantages that shear stiffness is big, anti-fatigue performance is good, become in combining structure more novel connector form, but cumbersome during reinforcing bar that Conventional open-pore plate is in arranging concrete slab.For described shortcoming of the prior art, it is an object of the invention to provide the perforated plate connector of a kind of site operation convenient band boot-shaped slotted eye.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
The perforated plate connector of a kind of band boot-shaped groove, the side of this shear connector is straight profiles, and on the opposite side of shear connector, repeated arrangement protruding connector and recessed slotted eye, and this recessed slotted eye is rendered as boot-shaped；The shape of this projection connector is consistent, equivalently-sized with this recessed pockets hole shape after rotating 180 °；The connector of two pieces of same sizes, after one of rotation 180 °, the just chimeric docking of both protruding connectors and recessed slotted eye, spelling button are one block of complete batten.
Boot-shaped slotted eye bottom belt is flat slope or slope；Preferably, described recessed slotted eye bottom belt has slope, and slope line and horizontal angular range are 5 °～15 °；Preferably, described slope line and horizontal angle are 10 °.
A kind of girder steel of the perforated panel shear connector using above-mentioned band boot-shaped groove, girder steel uses I-shaped cross-section, on girder steel top flange, longitudinally fixed connection arranges the perforated plate connector of described band boot-shaped groove, shelves stiffener, the outside concrete slab for pouring in groove.
Described girder steel is plate girder, steel truss girder, steel box-girder or shaped steel；Preferably, welding it is fixedly connected as described in.
A kind of orthotropic plate of the perforated panel shear connector using above-mentioned band boot-shaped groove, the perforated plate connector of described band boot-shaped groove is fixedly connected on the top board of described orthotropic plate, and be vertically and horizontally interlaced arrangement, the equal let-down of vertical and horizontal stiffener is placed in the slotted eye of perforated panel, the outside concrete slab for pouring.Preferably, welding it is fixedly connected as described in.
The processing method of the perforated plate connector of described band boot-shaped groove, cuts one piece of strip rectangular steel plates along boot-shaped slotted eye, is divided into two and obtains two pieces of connectors.
The perforated plate connector of described band boot-shaped groove and the method for attachment of concrete slab, be positioned over the reinforcing bar in concrete slab in the boot-shaped slotted eye of connector, and when casting concrete floorings, concrete wraps up whole perforated plate connector.
The construction method being applied in combination beam by the perforated plate connector of described band boot-shaped groove, comprises the following steps:
Step one: first determine spacing and the size of boot-shaped slotted eye in perforated panel according to the spacing of reinforcing bar in concrete slab, determines the height of boot-shaped slotted eye lower steel plate according to the thickness of concrete cover in reinforcing bar simultaneously.
Step 2: the many strips rectangular steel plates required for processing factory cuts；According to boot-shaped slotted eye shape, its each steel plate is cut along the concavo-convex line of boot-shaped slotted eye, forms the perforated plate connector of the band boot-shaped slotted eye of two pieces of concavo-convex coincidences.
Step 3: in processing factory, the perforated plate connector of band boot-shaped slotted eye is welded on the top flange of girder steel；The quantity of connector is determined by the shearing size between girder steel and concrete；The position corresponding relation of position and the concrete slab reinforcing bar of boot-shaped slotted eye to be taken into account during welding perforated plate connector.
Step 4: at building-site, puts into described notch from top to bottom by the bottom transverse steel of concrete slab, then reinforcing bar is moved in the horizontal direction the front end of boot-shaped slotted eye, then bottom transverse steel is formed bar-mat reinforcement with longitudinal reinforcement colligation.
Step 5: at building-site, when all reinforcing bars are all placed in position after-pouring concrete so that the fully wrapped around perforated plate connector of concrete, forms the connection of concrete and girder steel after the intensity that concrete reaches certain.
Owing to using technique scheme, the method have the advantages that
1) stiffener in concrete slab, can directly be placed in the slotted eye of perforated panel by let-down, avoid the cumbersome process interted in multiple rows of circular hole when tradition perforated panel arranges reinforcing bar, simplify the arrangement technology of reinforcing bar, substantially increase efficiency of construction, save fabrication and installation cost, reduce construction costs.
2), during concrete slab bottom layer of the reinforcing steel is placed directly into boot-shaped slotted eye, reinforcing bar position in concrete is easier to accurately control, it is possible to ensure that bar spacing is consistent with design such that it is able to ensure that reinforcing bar is accurately arranged in concrete.
3), when steel plate height bottom boot-shaped slotted eye is identical with concrete cover to reinforcement, concrete protective layer pad can be saved and ensure that the protective layer thickness of concrete slab bottom layer of the reinforcing steel is uniform.
4) connector of two pieces of equivalently-sized band boot-shaped slotted eyes, can cut in half complete steel plate strip by a block plate according to the concavo-convex linear cutting of boot-shaped, does not has unnecessary waste material.
Accompanying drawing explanation
Fig. 1 is the schematic shapes of shear connector embodiment of the present invention.
Fig. 2 a is the machining sketch chart of embodiment illustrated in fig. 1 shear connector display cutting circuit.
Fig. 2 b is according to cutting circuit processing the schematic diagram of two pieces of shear connectors of isolated shown in Fig. 2 a.
Fig. 3 is the connection diagram of connector of the present invention and girder steel.
Fig. 4 is the schematic diagram that connector of the present invention places reinforcing bar；
Fig. 5 is the position view of the connector of the embodiment of the present invention, reinforcing bar and girder steel；
Fig. 6 is the present invention structural representation for a composite beam bridge embodiment.
Fig. 7 is the structural representation of another embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
As it is shown in figure 1, the perforated panel shear connector of a kind of band boot-shaped groove, the side of shear connector 1 is straight profiles, and on shear connector 1 opposite side, repeated arrangement protruding connector and recessed slotted eye, and this recessed slotted eye is rendered as boot-shaped；The shape of its protrusions connector is consistent with recessed slotted eye shape after rotating 180 °, equivalently-sized, namely the connector of two pieces of same sizes, can dock after one of rotation 180 ° with another block teeth groove, complete spelling is buckled, so a block plate of appropriate size can cut out two this kind of shear connectors, and do not produce superfluous material.
With slope bottom the boot-shaped slotted eye of shear connector 1, this slope and horizontal angular range are 5 °～10 °.
During use, can be by the perforated panel shear connector 1 of described band boot-shaped groove by being welded to connect on the top flange of steel girder 3.
Reinforcing bar 2 in concrete is positioned in the boot-shaped slotted eye of shear connector 1.
As shown in Fig. 2 a, b, the shear connector 1 that the present invention provides, is to be cut out boot-shaped slotted eye by strip steel plate to form.By a block plate according to the concavo-convex linear cutting of boot-shaped, complete steel plate strip is cut in half, there is no unnecessary waste material.
The connector 1 of excision forming is connected on the edge of a wing of girder steel 3 by welding manner, as shown in Figure 3.
Reinforcing bar 2 let-down in concrete slab is placed in the boot-shaped slotted eye of connector 1, and the process of placement as shown in Figure 4, is first vertically put into, after move horizontally in place.
The position relationship of reinforcing bar, perforated panel and girder steel after in place is as shown in Figure 5.Described perforated plate connector 1 is welded on described girder steel 3 by twin fillet wolt, and described reinforcing bar 2 is placed on inside the slotted eye of described perforated plate connector 1.Reinforcing bar 2 lay in place after, then other reinforcing bar of colligation, pour and maintenance floorings board concrete, form combined beam structure.
This kind of connector had both been provided that the biggest shear stiffness, intensity and good anti-fatigue performance, drastically increased again efficiency of construction, saved manpower, reduced construction costs, had preferable application prospect, composite beam bridge embodiment supplementary notes given below.
The present embodiment is the application on composite beam bridge of this kind of connector, as shown in Figure 6.Steel girder 3 uses I-shaped cross-section, and on girder steel top flange, longitudinal measure arranges the twice perforated plate connector 1 of band boot-shaped slotted eye, shelves transverse steel 2 in groove, finally pours floorings board concrete 4, forms combined beam structure.
Another embodiment is the application on orthotropic compoboard of this kind of connector, as shown in Figure 7.Perforated plate connector 1 with boot-shaped groove is welded on the top board of orthotropic plate 5, and is vertically and horizontally interlaced arrangement, and the equal let-down of vertical and horizontal stiffener is placed in the slotted eye of perforated panel, last formwork erection casting concrete plate 4.
Avoid interting in plate perforate side by side reinforcing bar when construction, but directly reinforcing bar let-down is entered in slotted eye, easy construction, simple, and be easy to ensure that the position of reinforcing bar is consistent with design drawing, the minimizing position changing of the relative positions, raising efficiency of construction.It addition, the height of steel plate can be equivalently-sized with the protective layer of reinforcement in concrete bottom boot-shaped slotted eye, eliminate when assembling reinforcement and concrete protective layer pad is set, and can effectively ensure that protective layer thickness uniform of concrete.
Additionally, need when the perforated panel of band circular hole connects processing and fabricating to cut out a series of circular hole, after the cutting off of hole light plate, become waste material.And the perforated plate connector of band boot-shaped slotted eye proposed by the invention is to be cut according to concavo-convex line by one block of big steel plate, obtains two pieces of connectors, there is no the waste of material.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art should be within protection scope of the present invention according to the announcement of the present invention, the improvement made without departing from scope and amendment.
Claims (9)
1. the perforated plate connector of a band boot-shaped groove, it is characterised in that: the side of this shear connector is straight profiles, and shearing is even
On the opposite side of fitting, repeated arrangement protruding connector and recessed slotted eye, and this recessed slotted eye is rendered as boot-shaped；This projection connector
Shape is consistent, equivalently-sized with this recessed pockets hole shape after rotating 180 °；The connector of two pieces of same sizes, by one of rotation
After turning 180 °, the just chimeric docking of both protruding connectors and recessed slotted eye, spelling button are one block of complete batten.
The perforated plate connector of band boot-shaped groove the most according to claim 1, it is characterised in that: bottom boot-shaped slotted eye be flat slope or
Slope；Preferably, described recessed slotted eye bottom belt has slope, and slope line and horizontal angular range are 5 °～15 °；Preferably,
Described slope line and horizontal angle are 10 °.
3. one kind uses the girder steel of the perforated plate connector of band boot-shaped groove described in claim 1 or 2, it is characterised in that: described steel
Beam (3) uses I-shaped cross-section, and on girder steel (3) top flange, longitudinally fixed connection arranges the perforated panel of described band boot-shaped groove even
Fitting (1), shelves stiffener (2), the outside concrete slab (4) for pouring in groove.
Girder steel the most according to claim 3, it is characterised in that: described girder steel (3) is plate girder, steel truss girder, steel case
Beam or shaped steel；Preferably, welding it is fixedly connected as described in.
5. one kind uses the orthotropic plate of the perforated plate connector of band boot-shaped groove described in claim 1 or 2, it is characterised in that:
The perforated plate connector (1) of described band boot-shaped groove is fixedly connected on the top board of described orthotropic plate (5), and is vertically and horizontally
Interlaced arrangement, the equal let-down of vertical and horizontal stiffener is placed in the slotted eye of perforated panel, the outside concrete slab (4) for pouring.
Orthotropic plate the most according to claim 5, it is characterised in that be fixedly connected as welding described in:.
7. the processing method of the perforated plate connector of the band boot-shaped groove described in claim 1 or 2, it is characterised in that: by one piece of strip
Rectangular steel plates is cut along boot-shaped slotted eye, is divided into two and obtains two pieces of connectors.
8. the perforated plate connector of the band boot-shaped groove described in claim 1 or 2 and the method for attachment of concrete slab, its feature exists
In: the reinforcing bar (2) in concrete slab is positioned in the boot-shaped slotted eye of connector (1), when casting concrete floorings
Concrete wraps up whole perforated plate connector.
9. the construction method perforated plate connector of the band boot-shaped groove described in claim 1 or 2 being applied in combination beam, its feature
It is, comprises the following steps:
Step one: first determine spacing and the size of boot-shaped slotted eye in perforated panel according to the spacing of reinforcing bar in concrete slab, simultaneously
The height of boot-shaped slotted eye lower steel plate is determined according to the thickness of concrete cover in reinforcing bar；
Step 2: the many strips rectangular steel plates required for cutting；According to boot-shaped slotted eye shape, by its each steel plate along boot-shaped slotted eye
The cutting of concavo-convex line, form the perforated plate connector of band boot-shaped slotted eye of two pieces of concavo-convex coincidences；
Step 3: the perforated plate connector of band boot-shaped slotted eye is welded on the top flange of girder steel；The quantity of connector is by girder steel and mixes
Shearing size between solidifying soil determines；The position of boot-shaped slotted eye to be taken into account and concrete slab reinforcing bar during welding perforated plate connector
Position corresponding relation；
Step 4: the bottom transverse steel of concrete slab is put into from top to bottom described notch, then reinforcing bar in the horizontal direction
Move to the front end of boot-shaped slotted eye, then bottom transverse steel is formed bar-mat reinforcement with longitudinal reinforcement colligation；
Step 5: when all reinforcing bars are all placed in position after-pouring concrete so that the fully wrapped around perforated plate connector of concrete, waits to mix
Solidifying soil forms the connection of concrete and girder steel after reaching certain intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330681.7A CN105887660B (en) | 2016-05-18 | 2016-05-18 | A kind of perforated plate connector with boot-shaped slot, girder steel and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330681.7A CN105887660B (en) | 2016-05-18 | 2016-05-18 | A kind of perforated plate connector with boot-shaped slot, girder steel and method |
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| Publication Number | Publication Date |
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| CN105887660A true CN105887660A (en) | 2016-08-24 |
| CN105887660B CN105887660B (en) | 2018-05-08 |
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| CN201610330681.7A Expired - Fee Related CN105887660B (en) | 2016-05-18 | 2016-05-18 | A kind of perforated plate connector with boot-shaped slot, girder steel and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677074A (en) * | 2017-02-23 | 2017-05-17 | 河南省交通规划设计研究院股份有限公司 | Prefabricated combined corrugated steel web T girder bridge |
| CN109797650A (en) * | 2017-11-16 | 2019-05-24 | 杨岳华 | It hooks tooth form steel plate shear force and steel reinforced concrete combines thin plate |
| CN110067312A (en) * | 2019-05-30 | 2019-07-30 | 清华大学 | Perforated panel shear connector and its processing method |
| CN110184896A (en) * | 2019-04-18 | 2019-08-30 | 天津大学前沿技术研究院 | A kind of UHPC wafer board composite beam bridge shear connector and mounting structure and construction method |
| CN112607830A (en) * | 2020-11-25 | 2021-04-06 | 佛山市顺德区美的洗涤电器制造有限公司 | Finger inserting electrode, dish washing machine and cleaning method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677074A (en) * | 2017-02-23 | 2017-05-17 | 河南省交通规划设计研究院股份有限公司 | Prefabricated combined corrugated steel web T girder bridge |
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| CN109797650A (en) * | 2017-11-16 | 2019-05-24 | 杨岳华 | It hooks tooth form steel plate shear force and steel reinforced concrete combines thin plate |
| CN110184896A (en) * | 2019-04-18 | 2019-08-30 | 天津大学前沿技术研究院 | A kind of UHPC wafer board composite beam bridge shear connector and mounting structure and construction method |
| CN110184896B (en) * | 2019-04-18 | 2021-04-06 | 天津大学前沿技术研究院 | Shear connector of UHPC waffle slab combined beam bridge, mounting structure and construction method |
| CN110067312A (en) * | 2019-05-30 | 2019-07-30 | 清华大学 | Perforated panel shear connector and its processing method |
| CN112607830A (en) * | 2020-11-25 | 2021-04-06 | 佛山市顺德区美的洗涤电器制造有限公司 | Finger inserting electrode, dish washing machine and cleaning method thereof |
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|---|---|
| CN105887660B (en) | 2018-05-08 |
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