CN206298834U - A kind of end bay construction of cast-in-place box girders section bed die system - Google Patents
A kind of end bay construction of cast-in-place box girders section bed die system Download PDFInfo
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- CN206298834U CN206298834U CN201621390713.4U CN201621390713U CN206298834U CN 206298834 U CN206298834 U CN 206298834U CN 201621390713 U CN201621390713 U CN 201621390713U CN 206298834 U CN206298834 U CN 206298834U
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Abstract
The utility model discloses a kind of end bay construction of cast-in-place box girders section bed die system, including the truss on abutment pier, Hanging Basket front beam and Hanging Basket rear cross beam is erected at, and is arranged on the bed die above truss；Truss is made up of many Pin units truss, and unit truss includes the top boom be arrangeding in parallel and lower boom and connection web member, and web member is made up of multiple vertical web members and multiple oblique web members, and a vertical web member is provided between adjacent two oblique web members；Bed die includes many Pins main distribution beam of the crossbearer above many Pin units truss, and the lumps of wood is laid between the adjacent main distribution beams of two Pin, and the lumps of wood and main distribution beam top are equipped with bamboo slab rubber, and bamboo slab rubber is connected by connector with the lumps of wood.End bay construction of cast-in-place box girders section bed die system architecture is simple, easy construction, good stability, bed die system is used in combination with Hanging Basket and substituted for construction with brackets technology, effectively prevent caused by Support Method that security is poor, it is high to run into poor physical features difficulty of construction coefficient, it is long in time limit, construction cost technical problem high.
Description
Technical field
The utility model belongs to continuous rigid frame bridge construction field, and in particular to a kind of end bay used by end bay cast-in-place section construction
Construction of cast-in-place box girders section bed die system.
Background technology
The beam body of continuous rigid frame bridge, is divided by construction part, including pier top Cast-in-Situ Segment, cantilever section, end bay Cast-in-Situ Segment
And closure segment, sequence of construction is：First construction pier top Cast-in-Situ Segment, installs Hanging Basket, symmetrical cantilever construction on pier top Cast-in-Situ Segment afterwards
Cantilever section, before cantilever section construction is completed, end bay cantilever section construction is completed, closure segment of finally constructing.End bay Cast-in-Situ Segment is
A part for girder construction, positioned at the two ends of continuous beam, end bay Cast-in-Situ Segment one end is ridden on abutment pier, and the other end is hanging.During construction,
Support must be set up, this section of beam body of constructing thereon, after complete closure segment to be onstructed, each section of beam body forms an entirety, can remove
Support, has the following disadvantages during using construction with brackets：1. when end bay Cast-in-Situ Segment is higher from the ground, support is set up dangerous
Greatly, material therefor is more, increases construction cost；2. because end bay Cast-in-Situ Segment is only set in abutment pier side, in order to solve during construction
The imbalance of abutment pier stress, in opposite side counterweight or need to increase pull device, increased difficulty of construction；If 3. end bay is in
On the poor hillside of physical features, the area of excavation is larger, big to destruction of surface, while it is big to build operation platform degree-of-difficulty factor.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of end bay
Construction of cast-in-place box girders section bed die system.End bay construction of cast-in-place box girders section bed die system is used in combination with Hanging Basket and substituted for existing construction with brackets
Technology, effectively prevent caused by existing Support Method that security is poor, it is high to run into poor physical features difficulty of construction coefficient, long in time limit, build
Make the technical problem of high cost, at the same end bay construction of cast-in-place box girders section bed die system architecture is simple, easy construction, good stability.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of end bay construction of cast-in-place box girders section bed die
System, it is characterised in that：Including the truss being erected on abutment pier, Hanging Basket front beam and Hanging Basket rear cross beam, and it is arranged on truss
The bed die of top；
The truss is made up of unit truss, and the quantity of the unit truss is many Pin, and unit truss is along side described in many Pin
The length direction of pier, Hanging Basket front beam and Hanging Basket rear cross beam is arranged side by side；The unit truss includes top boom and lower boom, with
And the web member of connection top boom and lower boom, the two ends of the top boom are respectively erected on abutment pier and Hanging Basket rear cross beam, described
Lower boom is in above Hanging Basket front beam, and the top boom and lower boom be arranged in parallel, and the web member is by vertical web member and tiltedly
Constituted to web member, the quantity of the vertical web member and oblique web member is many, many oblique web members join end to end, phase
A vertical web member is provided between adjacent two oblique web members, many vertical web members are along top boom and the length of lower boom
Degree direction is set up in parallel；
The bed die includes main distribution beam of the crossbearer above many Pin units truss, and the quantity of the main distribution beam is many
Main distribution beam described in Pin, many Pin is set up in parallel, and is laid with the lumps of wood between main distribution beam described in adjacent two Pin, multiple lumps of wood with
Many main distribution beams of Pin are arranged in parallel, and the lumps of wood and main distribution beam top are equipped with bamboo slab rubber, and the bamboo slab rubber is by connecting
Fitting is connected with the lumps of wood.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：Top boom and lower boom are Two bors d's oeuveres channel-section steel.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：The vertical web member and oblique web member are
Two bors d's oeuveres I-steel.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：The main distribution beam is channel-section steel.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：The top boom is ridden upon on the abutment pier
One end below be provided with pad, the pad is steel plate pad.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：After the top boom rides upon the Hanging Basket
One end top on crossbeam is provided with wing plate reinforcing plate, and the top boom rides upon the side on the Hanging Basket rear cross beam
Face is provided with web reinforcing plate.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：Between adjacent two vertical web members
Distance is 85mm-95mm.
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：The size of the lumps of wood is 50mm*100mm*
2000mm。
A kind of above-mentioned end bay construction of cast-in-place box girders section bed die system, it is characterised in that：The thickness of the bamboo slab rubber is 12mm.
The utility model has advantages below compared with prior art：
1. the utility model simple structure, easy construction, good stability, with Hanging Basket collective effect during Specific construction, replace
Existing construction with brackets technology, can improve the safety coefficient of whole work progress, difficulty of construction be reduced, while side can be avoided
Cause basement process difficulty, the technical problem that excavation area is big, destruction of surface is larger when in poor physical features, and use end bay
Construction of cast-in-place box girders section bed die system need not build operation platform, it is possible to decrease construction cost.
2. the utility model top boom and lower boom are Two bors d's oeuveres channel-section steel, and the vertical web member and oblique web member are Two bors d's oeuveres
I-steel, Two bors d's oeuveres channel-section steel and Two bors d's oeuveres I-steel can increase bonding strength, increase the use longevity of end bay construction of cast-in-place box girders section bed die system
Life.
3. the utility model truss top is provided with main distribution beam, and main distribution beam can both undertake end bay construction of cast-in-place box girders section bottom
Load above modular system, can also evenly distribute to truss the load of top, it is ensured that the balance and stabilization of site operation
Property.
4. bed die of the present utility model employs the lumps of wood and bamboo slab rubber, can to greatest extent reduce and undertake end bay construction of cast-in-place box girders
The weight of section bed die system, and be easily installed and transform.
In sum, the utility model simple structure and easy construction, input cost are few, reasonable in design, are easy to behaviour
Make, using effect is good.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is use state figure of the present utility model.
Fig. 2 is the structural representation of the utility model unit truss.
Fig. 3 is the mounting structure schematic diagram of the utility model lumps of wood, channel-section steel, bamboo slab rubber and connector.
Fig. 4 is the mounting structure schematic diagram of the utility model top boom and pad.
Fig. 5 is the mounting structure schematic diagram of the utility model top boom, wing plate reinforcing plate and web reinforcing plate.
Description of reference numerals:
1-1-top boom；1-2-lower boom；2-1-vertical web member；
2-2-oblique web member；3-main distribution beam；4-lumps of wood；
5-bamboo slab rubber；6-pad；7-wing plate reinforcing plate；
8-web reinforcing plate；9-connector；10-abutment pier；
11-Hanging Basket front beam；12-Hanging Basket rear cross beam.
Specific embodiment
A kind of end bay construction of cast-in-place box girders section bed die system as depicted in figs. 1 and 2, including across horizontal before abutment pier 10, Hanging Basket
Truss on beam 11 and Hanging Basket rear cross beam 12, and it is arranged on the bed die above truss；
The truss is made up of unit truss, and the quantity of the unit truss is many Pin, and unit truss is along side described in many Pin
The length direction of pier 10, Hanging Basket front beam 11 and Hanging Basket rear cross beam 12 is arranged side by side；As shown in Fig. 2 the unit truss includes
Top boom 1-1 and lower boom 1-2, and the web member of top boom 1-1 and lower boom 1-2 is connected, the two ends point of the top boom 1-1
It is not erected on abutment pier 10 and Hanging Basket rear cross beam 12, the lower boom 1-2 is in the top of Hanging Basket front beam 11, the top boom 1-
1 and lower boom 1-2 be arranged in parallel, and the web member is made up of vertical web member 2-1 and oblique web member 2-2, the vertical web member 2-1 and
The quantity of oblique web member 2-2 is many, and many oblique web member 2-2's joins end to end, adjacent two oblique web members
A vertical web member 2-1 is provided between 2-2, many vertical web member 2-1 are along top boom 1-1 and the length of lower boom 1-2
Direction is set up in parallel.
As shown in figure 3, the bed die includes main distribution beam 3 of the crossbearer above many Pin units truss, the main distribution beam 3
Quantity be many Pin, main distribution beam 3 described in many Pin is set up in parallel, and the lumps of wood 4 is laid between main distribution beam 3 described in adjacent two Pin,
Multiple lumps of wood 4 are arranged in parallel with the main distribution beams of many Pin, and the lumps of wood 4 and the top of main distribution beam 3 are equipped with bamboo slab rubber
5, the bamboo slab rubber 5 is connected by connector 9 with the lumps of wood 4.
During Specific construction, the height of Hanging Basket front beam 11 and Hanging Basket rear cross beam 12 is adjusted first, make the He of Hanging Basket front beam 11
Not in the same plane, and Hanging Basket front beam 11 is in the lower section of Hanging Basket rear cross beam 12 to Hanging Basket rear cross beam 12, by unit truss by
Pin sets up on abutment pier 10, Hanging Basket front beam 11 and Hanging Basket rear cross beam 12 successively, the two ends of the top boom 1-1 is set up respectively
On abutment pier 10 and Hanging Basket rear cross beam 12, lower boom 1-2 is erected on Hanging Basket front beam 11, is fastenedly connected after the completion of erection
So as to complete the installation of truss, bed die is re-layed, main distribution beam 3 and the interval of the lumps of wood 4 are laid on truss top, main distribution beam 3
Bamboo slab rubber 5 is laid in top with the lumps of wood 4, and bamboo slab rubber 5 is fastenedly connected with the lumps of wood 4 using connector 9, it is ensured that main distribution beam 3,
The lumps of wood 4 and bamboo slab rubber 5 are in integrative-structure.
During Specific construction, end bay construction of cast-in-place box girders section bed die system combination Hanging Basket is constructed together, and this construction method is replaced existing
There is construction with brackets technology, during using existing construction with brackets, it is more to set up support complex procedures, material therefor, increases and builds
Cost, when end bay Cast-in-Situ Segment is higher from the ground, it is the high work of a danger coefficient, end bay construction of cast-in-place box girders section to set up support
Bed die system combination Hanging Basket need not set up support, reduce construction risk, can shorten construction period, reduce construction cost, together
When end bay construction of cast-in-place box girders section bed die system architecture it is simple, easy construction works together with Hanging Basket, it is ensured that whole device during construction
Stability, without extensive damage is carried out to earth's surface, environmental protection, especially end bay are in when on the poor hillside of physical features,
Avoid earth's surface earth excavation and basement process and build operation platform, greatly reduce work difficulty and working strength.
In the present embodiment, top boom 1-1 and lower boom 1-2 is Two bors d's oeuveres channel-section steel, the vertical web member 2-1 and oblique web member
2-2 is Two bors d's oeuveres I-steel, it is preferred that the channel-section steel is for [16 channel-section steels, the I-steel is I14 I-steel, Two bors d's oeuveres channel-section steel and double
Spelling I-steel can increase bonding strength, strengthen the stability of end bay construction of cast-in-place box girders section bed die system.
In the present embodiment, the main distribution beam 3 is channel-section steel, and the channel-section steel is for [14 channel-section steels not only may be used using main distribution beam 3
To undertake the load above end bay construction of cast-in-place box girders section bed die system, and the load that the main distribution beams 3 of many Pin will can undertake is equal
It is even to be assigned on truss, it is ensured that the stability of end bay construction of cast-in-place box girders section bed die system.
During specific implementation, as shown in figure 4, the lower section that the top boom 1-1 rides upon the one end on the abutment pier 10 is set
There is pad 6, the pad 6 is steel plate pad, it is preferred that the thickness of the steel plate pad is 30mm, sets the mesh of steel plate pad
Be：1. the fulcrum standard installed as end bay construction of cast-in-place box girders section bed die system, can facilitate end bay construction of cast-in-place box girders section bed die system
System is erected on abutment pier 10；2. the load born at end bay construction of cast-in-place box girders section bed die system and the node of abutment pier 10 can be strengthened, protected
Bonding strength at card node.
In the present embodiment, as shown in figure 5, the top boom 1-1 rides upon one end top on the Hanging Basket rear cross beam 12
Wing plate reinforcing plate 7 is provided with, and the one end side that the top boom 1-1 is ridden upon on the Hanging Basket rear cross beam 12 is provided with abdomen
Plate reinforcing plate 8, it is preferred that the size of the wing plate reinforcing plate 7 is 800mm*250mm*10mm, the chi of the web reinforcing plate 8
Very little is 800mm*100mm*10mm, and setting wing plate reinforcing plate 7 and web reinforcing plate 8 can strengthen end bay construction of cast-in-place box girders section bed die system
With the load born at the node of Hanging Basket rear cross beam 12, it is ensured that the bonding strength at node.
In the present embodiment, the distance between adjacent two described vertical web member 2-1 are 85mm-95mm, it is preferred that adjacent two
The distance between vertical web member 2-1 described in root is 90mm.
In the present embodiment, the size of the lumps of wood 4 is 50mm*100mm*2000mm, and the thickness of the bamboo slab rubber 6 is
12mm, the connector 9 is screw, and the quantity of the screw is multiple, and multiple screws are equal along the length direction of bamboo slab rubber 6
Even setting, it is ensured that the bonding strength of the lumps of wood 4 and bamboo slab rubber 6.
The above, is only preferred embodiment of the present utility model, and not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made to above example according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a kind of end bay construction of cast-in-place box girders section bed die system, it is characterised in that：Including being erected at abutment pier (10), Hanging Basket front beam (11)
With the truss on Hanging Basket rear cross beam (12), and the bed die above truss is arranged on；
The truss is made up of unit truss, and the quantity of the unit truss is many Pin, and unit truss is along abutment pier described in many Pin
(10), the length direction of Hanging Basket front beam (11) and Hanging Basket rear cross beam (12) is arranged side by side；The unit truss includes top boom
(1-1) and lower boom (1-2), and connect the web member of top boom (1-1) and lower boom (1-2), the two of the top boom (1-1)
End is respectively erected on abutment pier (10) and Hanging Basket rear cross beam (12), and the lower boom (1-2) is in Hanging Basket front beam (11) top,
The top boom (1-1) and lower boom (1-2) be arranged in parallel, and the web member is by vertical web member (2-1) and oblique web member (2-2) group
Into the quantity of the vertical web member (2-1) and oblique web member (2-2) is many, many head and the tail of the oblique web member (2-2)
It is connected, a vertical web member (2-1), many vertical web member (2- is provided between adjacent two oblique web members (2-2)
1) it is set up in parallel along the length direction of top boom (1-1) and lower boom (1-2)；
The bed die includes main distribution beam (3) of the crossbearer above many Pin units truss, and the quantity of the main distribution beam (3) is many
Main distribution beam (3) is set up in parallel described in Pin, many Pin, and the lumps of wood (4) is laid between main distribution beam (3) described in adjacent two Pin, multiple
The lumps of wood (4) is arranged in parallel with the main distribution beams of many Pin, and the lumps of wood (4) and main distribution beam (3) top are equipped with bamboo glue
Plate (5), the bamboo slab rubber (5) is connected by connector (9) with the lumps of wood (4).
2. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：Top boom (1-1) and
Lower boom (1-2) is Two bors d's oeuveres channel-section steel.
3. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：The vertical web member
(2-1) and oblique web member (2-2) are Two bors d's oeuveres I-steel.
4. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：The main distribution beam
(3) it is channel-section steel.
5. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：Top boom (the 1-
1) ride upon and pad (6) is provided with below the one end on the abutment pier (10), the pad (6) is steel plate pad.
6. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：Top boom (the 1-
1) ride upon the top of the one end on the Hanging Basket rear cross beam (12) and be provided with wing plate reinforcing plate (7), and the top boom (1-1)
The one end side ridden upon on the Hanging Basket rear cross beam (12) is provided with web reinforcing plate (8).
7. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：Adjacent two described perpendicular
It is 85mm-95mm to the distance between web member (2-1).
8. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：The lumps of wood (4)
Size is 50mm*100mm*2000mm.
9. a kind of end bay construction of cast-in-place box girders section bed die system according to claim 1, it is characterised in that：The bamboo slab rubber (5)
Thickness be 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621390713.4U CN206298834U (en) | 2016-12-18 | 2016-12-18 | A kind of end bay construction of cast-in-place box girders section bed die system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621390713.4U CN206298834U (en) | 2016-12-18 | 2016-12-18 | A kind of end bay construction of cast-in-place box girders section bed die system |
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| Publication Number | Publication Date |
|---|---|
| CN206298834U true CN206298834U (en) | 2017-07-04 |
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ID=59214405
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621390713.4U Active CN206298834U (en) | 2016-12-18 | 2016-12-18 | A kind of end bay construction of cast-in-place box girders section bed die system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938525A (en) * | 2017-12-20 | 2018-04-20 | 山西省交通规划勘察设计院 | A kind of ruggedized construction and its method of assembled continuous box girder |
| CN111305079A (en) * | 2020-03-30 | 2020-06-19 | 河北省交通规划设计院 | Prefabricated assembled steel truss web concrete composite bridge and construction method |
| CN112627060A (en) * | 2020-12-30 | 2021-04-09 | 中国建筑土木建设有限公司 | Side-span cast-in-place section cantilever bearing system and construction method thereof |
-
2016
- 2016-12-18 CN CN201621390713.4U patent/CN206298834U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938525A (en) * | 2017-12-20 | 2018-04-20 | 山西省交通规划勘察设计院 | A kind of ruggedized construction and its method of assembled continuous box girder |
| CN107938525B (en) * | 2017-12-20 | 2023-06-30 | 山西省交通规划勘察设计院有限公司 | Reinforcing structure and method for assembled continuous box girder |
| CN111305079A (en) * | 2020-03-30 | 2020-06-19 | 河北省交通规划设计院 | Prefabricated assembled steel truss web concrete composite bridge and construction method |
| CN112627060A (en) * | 2020-12-30 | 2021-04-09 | 中国建筑土木建设有限公司 | Side-span cast-in-place section cantilever bearing system and construction method thereof |
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