CN205775865U - A kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board - Google Patents
A kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board Download PDFInfo
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- CN205775865U CN205775865U CN201620483513.7U CN201620483513U CN205775865U CN 205775865 U CN205775865 U CN 205775865U CN 201620483513 U CN201620483513 U CN 201620483513U CN 205775865 U CN205775865 U CN 205775865U
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- top board
- angle steel
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- cantilever beam
- rigid frame
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Abstract
The utility model discloses a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, including two symmetrical longitudinal grooved angle steel laid and the transverse connection structure that two longitudinal grooved angle steel are attached, two longitudinal grooved angle steel all along vertical bridge in the cantilever beam section being laid in continuous rigid frame bridge, cantilever beam section is In Reinforced Concrete Box Girder；Two longitudinal grooved angle steel are right angle angle steel, and the level right angle limit of two longitudinal grooved angle steel is all laid on cantilever beam section top board and its vertical straight arm of angle is all embedded in cantilever beam section top board；To from front to back, multiple vertical connecting bolt is installed along vertical bridge on level right angle limit, the vertical straight arm of angle has multiple groove passed for many top board transverse steels set in cantilever beam section top board respectively from front to back.This utility model simple in construction, reasonable in design and easy construction, using effect are good, high with top board bonding strength and fully can be combined by original reinforcing bar in top board, and steel using amount is few and the later stage is without removal.
Description
Technical field
This utility model belongs to technical field of bridge construction, especially relates to a kind of continuous rigid frame bridge and closes up
The section pre-buried base of pushing tow top board.
Background technology
Continuous rigid frame bridge is the continuous bridge of pier consolidation, point main span be continuous beam multispan rigid frame bridge and
Multispan continuous rigid-frame box girder bridge, all uses prestressed reinforced concrete construction, has the main pier of two or more, uses pier
Beam consolidation system, the advantage with T-shaped rigid frame bridge and continuous bridge.Continuous rigid frame bridge closure segment is constructed
Time, it is generally required to apply jacking force, to eliminate construction time temperature and long-term concrete shrinkage and creep impact.
When using outer rigid support structure (such as external stiff skeleton) to carry out pushing tow, jacking force should before applying
First base plate and top board at closure segment are provided above preburied component, and at last cantilever pouring sections
Implement pre-buried.Wherein, continuous rigid frame bridge closure segment (also referred to as girder closure segment) refers to continuous rigid frame bridge
Girder in carry out the beam section closed up, i.e. the binding site of continuous rigid frame bridge girder, closes up including end bay
Section and main span closure segment.
The pre-buried base of existing top board, use is welded U-shaped connection reinforcing bar below steel plate and is buried by reinforcing bar more
Entering the technical scheme in concrete roof, there is following defect in the program: the first, top plate thickness is limited,
It is less that common u-shaped connects reinforcing bar radical, and base is low with top board bonding strength；The second, U-shaped connection steel
Muscle reinforcing bar original with box beam top board can not fully be combined；3rd, large-area steel plate causes bridge floor to be adjusted
Flat bed and pave-load layer concrete are connected the weak band in formation local with top board end face；4th, Member Welding work
Work amount is big.It addition, the pre-buried base of existing top board, also have and use shaped steel vertically to insert work in concrete
For the technical scheme of pushing reaction point, there is following defect in the program: the first, pushing tow point position is higher,
Pre-buried base local concrete stress, in addition to the shearing in pushing tow direction, still has bigger moment of flexure to need shaped steel
And periphery concrete undertakes, it is unfavorable for giving full play to the characteristic of concrete anti-compression；The second, incremental launching construction
Need to excise the part shaped steel of prominent top board after completing.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to carry
For a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, its simple in construction, reasonable in design and
Easy construction, using effect are good, high with top board bonding strength and fully can tie by original reinforcing bar with in top board
Closing, steel using amount is few and the later stage is without removing.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of continuous rigid frame bridge
The pre-buried base of closure segment pushing tow top board, it is characterised in that: include two symmetrical longitudinal grooveds laid
Angle steel and the transverse connection structure that two described longitudinal grooved angle steel are attached, two described longitudinal directions
Fluting angle steel all along vertical bridge in the cantilever beam section being laid in constructed continuous rigid frame bridge, described cantilever beam
Section is In Reinforced Concrete Box Girder, and the girder closure segment of constructed continuous rigid frame bridge is for being connected to described in two
Closure segment between cantilever beam section；Two described longitudinal grooved angle steel are right angle angle steel, described in two
The level right angle limit of longitudinal grooved angle steel is all laid on the top board of cantilever beam section and its vertical straight arm of angle
All it is embedded in the top board of cantilever beam section；It is provided with along vertical bridge to from front to back on described level right angle limit
Multiple vertical connecting bolts, described vertical connecting bolt bottom is embedded in the top board of cantilever beam section, institute
State and on level right angle limit, have multiple bolt installation installed for multiple described vertical connecting bolts respectively
Hole；Have multiple respectively for set in cantilever beam section top board on the described vertical straight arm of angle from front to back
The groove that many top board transverse steels pass, many described top board transverse steels are installed in multiple institute respectively
State in groove；Between described transverse connection structure includes being connected on front side of two described longitudinal grooved angle steel
Front side transverse connection structure and rear side between being connected on rear side of two described longitudinal grooved angle steel horizontal
To attachment structure, described front side transverse connection structure and described posterior lateral attachment structure all include one
Or the lateral connection between the multiple described vertical straight arm of angle being connected to two described longitudinal grooved angle steel
Bolt, described lateral connection bolt is laid and in its pre-top board being embedded in cantilever beam section along direction across bridge.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: described vertical
Being equal leg angle to fluting angle steel, the width of two right-angle sides of described longitudinal grooved angle steel is
The thickness of 100mm～200mm and two right-angle sides is 10mm～16mm.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: an institute
State and have multiple steam vent on the described level right angle limit of longitudinal grooved angle steel.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: described row
Pore is circular hole and its aperture is Φ 3mm～Φ 4mm.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: Mei Gesuo
State vertical connecting bolt all to include in being vertically installed in shank of bolt to the shank of bolt laid and two
Nut, two described nuts are divided into top nut and are positioned at the lower nut immediately below top nut, described upper spiral shell
Female and lower nut lays respectively at the both sides up and down on described level right angle limit, and described lower nut is embedded in cantilever
In the top board of beam section；It is attached threadably between described shank of bolt and described level right angle limit.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: Duo Gesuo
The structure stating vertical connecting bolt is the most identical with size；A diameter of Φ 16mm～Φ of described shank of bolt
24mm, described shank of bolt bottom embedment cantilever beam section top board in a length of 10cm～15cm and its on
Portion is embedded in the bridge deck pavement mated formation in cantilever beam section, and described shank of bolt upper end extend out to top nut
A length of 5cm～6cm in outside.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: described recessed
Groove is U-lag.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: described U
One sidewall of shape groove is in vertically the most outward-dipping to laying and its another sidewall.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: described horizontal stroke
In attachment structure, the structure of all lateral connection bolts is the most identical with size and it is all laid in same
On horizontal plane, the described vertical straight arm of angle of two described longitudinal grooved angle steel all has and multiple supplies respectively
The bolt mounting holes that multiple described lateral connection bolts are installed.
Above-mentioned a kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, is characterized in that: two institutes
State between the described vertical straight arm of angle of longitudinal grooved angle steel and many described top board transverse steels all with point
Weldering mode is fixedly connected.
This utility model compared with prior art has the advantage that
1, simple in construction, reasonable in design and input cost is relatively low.
2, simplicity is laid in processing and fabricating and installation, and construction cost is relatively low.
3, reasonable in design, mainly by two longitudinal grooved angle steel by multiple lateral connection bolts
Connect and compose；Have U-lag mouth on longitudinal grooved angle steel, be used for blocking former top board transverse steel, with
Time fluting make concrete at notch position continuously, strengthen longitudinally connected and integral anti-shearing ability；On top
Between plate transverse steel, interval arranges vertical connecting bolt, the lower end embedment coagulation of this vertical connecting bolt
Soil, further enhances connection, and the most vertical connecting bolt is as the connecting bolt of pushing reaction frame；Vertical
Spaced apart steam vent on fluting angle steel, for concrete aerofluxus, it is ensured that the top board coagulation of cantilever beam section
Soil is closely knit with the level right angle limit of longitudinal grooved angle steel to be close to；Further, longitudinal grooved angle steel is vertically connecting
The position of opening processed filament mouth of connecting bolt, after vertical connecting bolt of screwing on, it is simple to thrust is timely transmitted to
This utility model；The concrete roof end face of cantilever beam section can be at casting concrete and to install this practicality new
During type base, reserving top board groove, the degree of depth of top board groove is limited not expose the internal reinforcing bar of box beam,
Jack center of gravity can be reduced as far as possible, reduce pushing tow additional bending moment.
4, using effect is good and practical value is high, has the advantage that first, simple structure, easily
In processing, utilize shaped steel processing composition, reduce welding as far as possible；The second, by vertical connecting bolt energy
Externally rigid support structure (i.e. external stiff skeleton) carries out fastening installation, and can ensure that external
The accuracy of stiff skeleton position；3rd, convenient and quick construction, does not affect other operation progress, and
And do not affect the connection between concrete of bridge deck paving construction and top board and pave-load layer concrete；4th,
Reinforcing bar original design with the top board of cantilever beam section is rationally connected, on-the-spot overall stress；5th and cantilever beam
The top board of section connects reliable；Pushing reaction frame that 6th is connected with this utility model and outer rigid support
Structure can be repeatedly utilized so that；7th, occupation mode is flexible, regardless of pushing end and fixing end, on-the-spot root
According to it needs to be determined that, pushing end is identical with fixing end structure, is difficult to get wrong；8th, use easy and simple to handle,
The site error being prone to carry out cantilever beam section adjusts；9th, rational in infrastructure, pushing tow additional bending moment is little；
Tenth, it is not result in that bridge floor leveling layer and pave-load layer concrete are connected formation local with top board end face weak
Band, and pushing tow point position is relatively low.
In sum, this utility model simple in construction, reasonable in design and easy construction, using effect are good,
High with top board bonding strength and fully can be combined by original reinforcing bar in top board, steel using amount is few and the later stage without
Remove.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present utility model.
Fig. 2 is direction across bridge structural representation of the present utility model.
Fig. 3 is this utility model longitudinal grooved angle steel, vertical connecting bolt, lateral connection bolt and top
The connection status schematic diagram of plate transverse steel.
Description of reference numerals:
1 longitudinal grooved angle steel；2 cantilever beam section；3 vertical connecting bolts；
3-1 shank of bolt；3-2 top nut；3-3 lower nut；
4 top board transverse steels；5 lateral connection bolts；6 U-lags；
7 steam vents；8 top board longitudinal reinforcements.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, this utility model includes two symmetrical longitudinal grooved angles laid
Steel 1 and the transverse connection structure being attached two described longitudinal grooved angle steel 1, two described vertical
To fluting angle steel 1 all along vertical bridge in the cantilever beam section 2 being laid in constructed continuous rigid frame bridge, described
Cantilever beam section 2 is In Reinforced Concrete Box Girder, and the girder closure segment of constructed continuous rigid frame bridge is for being connected to
Closure segment between two described cantilever beam section 2.Two described longitudinal grooved angle steel 1 are angle, right angle
Steel, the level right angle limit of two described longitudinal grooved angle steel 1 is all laid on the top board of cantilever beam section 2
And its vertical straight arm of angle is all embedded in the top board of cantilever beam section 2.Along vertical bridge on described level right angle limit
Be provided with multiple vertical connecting bolt 3 to from front to back, described vertical connecting bolt 3 bottom is embedded in
In the top board of cantilever beam section 2, described level right angle limit has and multiple described vertically connects for multiple respectively
The bolt mounting holes that connecting bolt 3 is installed.Have from front to back on the described vertical straight arm of angle and multiple supply respectively
The groove that many top board transverse steels 4 set in cantilever beam section 2 top board pass, many described tops
Plate transverse steel 4 is installed in multiple described groove respectively.Described transverse connection structure includes being connected to
Front side transverse connection structure between on front side of two described longitudinal grooved angle steel 1 and being connected to described in two
Posterior lateral attachment structure between on rear side of longitudinal grooved angle steel 1, described front side transverse connection structure and
Described posterior lateral attachment structure all includes one or more being connected to two described longitudinal grooved angle steel 1
The described vertical straight arm of angle between lateral connection bolt 5, described lateral connection bolt 5 is along direction across bridge
Lay and in its pre-top board being embedded in cantilever beam section 2.
In the present embodiment, the length of two described longitudinal grooved angle steel 1 is 60cm～150cm.
During practice of construction, need also according to concrete, the length of two described longitudinal grooved angle steel 1 is divided
Do not adjust accordingly.
In the present embodiment, the described level right angle limit of two described longitudinal grooved angle steel 1 is all and cantilever beam
The cover top surface of section 2 is close to.
Time actually used, described cantilever beam section 2 by construction continuous rigid frame bridge girder in need to close
The beam section held together, is specially positioned at the beam section closing up mouthful both sides.In the present embodiment, constructed continuous rigid frame
The girder of bridge is In Reinforced Concrete Box Girder.
In the present embodiment, described longitudinal grooved angle steel 1 is equal leg angle, described longitudinal grooved angle steel
The width of two right-angle sides of 1 is the thickness of 100mm～200mm and two right-angle sides and is
10mm～16mm.
During practice of construction, can according to specific needs the size of longitudinal grooved angle steel 1 be adjusted accordingly
Whole.The structure of two described longitudinal grooved angle steel 1 is the most identical with size.
In the present embodiment, the described level right angle limit of a described longitudinal grooved angle steel 1 have multiple
Steam vent 7.
During practice of construction, it is also possible on the described level right angle limit of two described longitudinal grooved angle steel 1
All offer steam vent 7.
In the present embodiment, described steam vent 7 is Φ 3mm～Φ 4mm for circular hole and its aperture.Adjacent two
Spacing between individual described steam vent 7 is 4cm～6cm.
In the present embodiment, described groove is U-lag 6.
Further, in the spacing of multiple described U-lags 6 and cantilever beam section 2 top board, set top board is horizontal
The laying spacing of reinforcing bar 4 is consistent, and the spacing of the most adjacent two described U-lags 6 is 10cm or 15cm.
In the present embodiment, a sidewall of described U-lag 6 is in vertically to laying and its another sidewall
The most outward-dipping.Thus, the steel plate that can effectively reduce described longitudinal grooved angle steel 1 is used
Amount.
In the present embodiment, each described vertical connecting bolt 3 all includes in vertically to the shank of bolt laid
3-1 and two nuts being installed in shank of bolt 3-1, two described nuts be divided into top nut 3-2 and
It is positioned at the lower nut 3-3 immediately below top nut 3-2, described top nut 3-2 and lower nut 3-3 respectively
Being positioned at the both sides up and down on described level right angle limit, described lower nut 3-3 is embedded in the top of cantilever beam section 2
In plate.It is attached threadably between described shank of bolt 3-1 and described level right angle limit.Thus,
The bolt mounting holes installed for vertical connecting bolt 3 on described level right angle limit is internal thread hole.
Further, the structure of multiple described vertical connecting bolts 3 is the most identical with size；Described shank of bolt 3-1
A diameter of Φ 16mm～Φ 24mm, described shank of bolt 3-1 bottom embedment cantilever beam section 2 top board in
A length of 10cm～15cm and its top are embedded in cantilever beam section 2 in the bridge deck pavement mated formation,
Described shank of bolt 3-1 upper end extend out to a length of 5cm～6cm outside top nut 3-2.
In the present embodiment, described vertical connecting bolt 3 is high-strength bolt.
In the present embodiment, the structure of all lateral connection bolts 5 and size in described transverse connection structure
The most identical and its be all laid in same level, two described longitudinal grooved angle steel 1 described vertically
Multiple bolt mounting holes installed respectively is all had for multiple described lateral connection bolts 5 on right-angle side.
In the present embodiment, described front side transverse connection structure and described posterior lateral attachment structure all wrap
Include two described lateral connection bolts 5.
During practice of construction, can according to specific needs, to described front side transverse connection structure and described rear side
In transverse connection structure, the quantity of included lateral connection bolt 5 adjusts accordingly.
In the present embodiment, shank of bolt a diameter of Φ 16mm of described lateral connection bolt 5～Φ 24mm
In the present embodiment, be provided with between adjacent two described top board transverse steels 4 one described vertically
Connecting bolt 3.
In the present embodiment, the described vertical straight arm of angle of two described longitudinal grooved angle steel 1 with many described in
All it is fixedly connected in spot welding mode between top board transverse steel 4.
Actual add man-hour, first according to the laying of top board transverse steel 4 set in cantilever beam section 2 top board
Spacing, offers multiple described on the described vertical straight arm of angle of two described longitudinal grooved angle steel 1 respectively
U-lag 6, and offer multiple points on the described level right angle limit of two described longitudinal grooved angle steel 1
Not Gong the bolt mounting holes installed of multiple described vertical connecting bolts 3, open two described longitudinal directions simultaneously
Offer multiple respectively for multiple described lateral connection bolts on the described vertical straight arm of angle of groove angle steel 1 respectively
5 bolt mounting holes installed；Afterwards, at the described level right angle of two described longitudinal grooved angle steel 1
Multiple described vertical connecting bolt 3 it is respectively mounted on limit, then at two described longitudinal grooved angle steel 1
Multiple described lateral connection bolt 5 is installed, it is thus achieved that installation and assembling between the described vertical straight arm of angle
The base preburied component being integrated.When vertical connecting bolt 3 is installed, first it is screwed into shank of bolt
3-1, then tighten lower nut 3-3, is most screwed into top nut 3-2.
During practice of construction, before cantilever beam section 2 is carried out concrete pouring construction, by the described end
Seat preburied component is installed to the steel reinforcement cage of cantilever beam section 2；Further, described base preburied component is entered
When row is installed, according to the installation position of the external stiff skeleton being pre-designed, pre-buried to described base
The installation site of component is determined, and by described base preburied component and described external stiff skeleton
Carry out examination splicing, between described base preburied component and roof steel bar being carried out before concreting subsequently
Dot interlace solid welding fixed (specifically by the described vertical straight arm of angle of two described longitudinal grooved angle steel 1 with many
Described top board transverse steel 4 carries out spot welding to be fixed), pushing tow after completing described base preburied component be not required to
Remove.
Time actually used, multiple described vertical connecting bolts 3 are simultaneously as connecting described external stiffness
The connecting bolt of skeleton uses, thus after cantilever beam section 2 concreting completes, unload each vertically
The top nut 3-2 of connecting bolt 3, and by multiple described vertical connecting bolts 3 by described external
Stiff skeleton is fastenedly connected with described base preburied component.
During practice of construction, in the top board of described cantilever beam section 2, it is provided with many from left to right along direction across bridge
Top board longitudinal reinforcement 8, many top board transverse steels 4 are laid in same level along vertical bridge to from front to back
On face, many described top board longitudinal reinforcements 8 are all laid in same level and it is respectively positioned on many tops
Below plate transverse steel 4, every described top board transverse steel 4 all with many described top board longitudinal reinforcements
8 are fastenedly connected and are integrated.
The above, be only preferred embodiment of the present utility model, and this utility model is not made any limit
System, every according to this utility model technical spirit, above example is made any simple modification, change
And equivalent structure change, all still fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. the continuous rigid frame bridge closure segment pre-buried base of pushing tow top board, it is characterised in that: include two
The individual symmetrical longitudinal grooved angle steel (1) laid and two described longitudinal grooved angle steel (1) being carried out even
The transverse connection structure connect, two described longitudinal grooved angle steel (1) are all executed along vertical bridge to being laid in
In the cantilever beam section (2) of work continuous rigid frame bridge, described cantilever beam section (2) is In Reinforced Concrete Box Girder,
The girder closure segment of constructed continuous rigid frame bridge is for be connected between two described cantilever beam section (2)
Closure segment；Two described longitudinal grooved angle steel (1) are right angle angle steel, two described longitudinal grooveds
The level right angle limit of angle steel (1) is all laid on the top board of cantilever beam section (2) and its vertical straight arm of angle
All it is embedded in the top board of cantilever beam section (2)；Along vertical bridge to from front to back on described level right angle limit
Being provided with multiple vertical connecting bolt (3), described vertical connecting bolt (3) bottom is embedded in cantilever
In the top board of beam section (2), described level right angle limit has and multiple described vertically connects for multiple respectively
The bolt mounting holes that connecting bolt (3) is installed；Multiple points are had from front to back on the described vertical straight arm of angle
The groove that many top board transverse steels (4) that Gong be not set in cantilever beam section (2) top board pass,
Many described top board transverse steels (4) are installed in multiple described groove respectively；Described lateral connection
Structure includes the front side lateral connection knot being connected between two described longitudinal grooved angle steel (1) front sides
Structure and the posterior lateral attachment structure being connected between two described longitudinal grooved angle steel (1) rear sides,
Described front side transverse connection structure and described posterior lateral attachment structure all include one or more connection
Lateral connection bolt (5) between the described vertical straight arm of angle of two described longitudinal grooved angle steel (1),
Described lateral connection bolt (5) is laid and in its pre-top board being embedded in cantilever beam section (2) along direction across bridge.
2. according to a kind of continuous rigid frame bridge closure segment pre-buried end of pushing tow top board described in claim 1
Seat, it is characterised in that: described longitudinal grooved angle steel (1) is equal leg angle, described longitudinal grooved
The thickness that the width of two right-angle sides of angle steel (1) is 100mm～200mm and two right-angle sides is equal
For 10mm～16mm.
3. pre-buried according to a kind of continuous rigid frame bridge closure segment pushing tow top board described in claim 1 or 2
Base, it is characterised in that: open on the described level right angle limit of a described longitudinal grooved angle steel (1)
There is multiple steam vent (7).
4. according to a kind of continuous rigid frame bridge closure segment pre-buried end of pushing tow top board described in claim 3
Seat, it is characterised in that: described steam vent (7) is circular hole and its aperture is Φ 3mm～Φ 4mm.
5. pre-buried according to a kind of continuous rigid frame bridge closure segment pushing tow top board described in claim 1 or 2
Base, it is characterised in that: each described vertical connecting bolt (3) all includes in vertically to laying
Shank of bolt (3-1) and two nuts being installed in shank of bolt (3-1), two described nuts are divided into
Top nut (3-2) and be positioned at the lower nut (3-3) immediately below top nut (3-2), described upper spiral shell
Female (3-2) and lower nut (3-3) lay respectively at the both sides up and down on described level right angle limit, described under
Nut (3-3) is embedded in the top board of cantilever beam section (2)；Described shank of bolt (3-1) is with described
Level right angle is attached between limit threadably.
6. according to a kind of continuous rigid frame bridge closure segment pre-buried end of pushing tow top board described in claim 5
Seat, it is characterised in that: the structure of multiple described vertical connecting bolts (3) is the most identical with size；Institute
Stating a diameter of Φ 16mm～Φ 24mm of shank of bolt (3-1), described shank of bolt (3-1) bottom is imbedded
A length of 10cm～15cm and its top in cantilever beam section (2) top board are embedded in cantilever beam section (2)
On in the bridge deck pavement mated formation, described shank of bolt (3-1) upper end extend out to top nut (3-2) outward
A length of 5cm～6cm of side.
7. pre-buried according to a kind of continuous rigid frame bridge closure segment pushing tow top board described in claim 1 or 2
Base, it is characterised in that: described groove is U-lag (6).
8. according to a kind of continuous rigid frame bridge closure segment pre-buried end of pushing tow top board described in claim 7
Seat, it is characterised in that: a sidewall of described U-lag (6) is in vertically to laying and its another
Sidewall is the most outward-dipping.
9. pre-buried according to a kind of continuous rigid frame bridge closure segment pushing tow top board described in claim 1 or 2
Base, it is characterised in that: the structure of all lateral connection bolts (5) in described transverse connection structure
The most identical with size and its be all laid in same level, two described longitudinal grooved angle steel (1)
The described vertical straight arm of angle on all have multiple respectively for multiple described lateral connection bolts (5) install
Bolt mounting holes.
10. pre-according to a kind of continuous rigid frame bridge closure segment pushing tow top board described in claim 1 or 2
Buried end seat, it is characterised in that: the described vertical straight arm of angle of two described longitudinal grooved angle steel (1) with
All it is fixedly connected in spot welding mode between many described top board transverse steels (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483513.7U CN205775865U (en) | 2016-05-24 | 2016-05-24 | A kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483513.7U CN205775865U (en) | 2016-05-24 | 2016-05-24 | A kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205775865U true CN205775865U (en) | 2016-12-07 |
Family
ID=58112757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620483513.7U Expired - Fee Related CN205775865U (en) | 2016-05-24 | 2016-05-24 | A kind of continuous rigid frame bridge closure segment pre-buried base of pushing tow top board |
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| CN (1) | CN205775865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000440A (en) * | 2021-12-13 | 2022-02-01 | 中铁一局集团有限公司 | Truss base installation cantilever structure device and method |
-
2016
- 2016-05-24 CN CN201620483513.7U patent/CN205775865U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000440A (en) * | 2021-12-13 | 2022-02-01 | 中铁一局集团有限公司 | Truss base installation cantilever structure device and method |
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