CN208088108U - A kind of Simply supported non-uniform bridge structure construction - Google Patents
A kind of Simply supported non-uniform bridge structure construction Download PDFInfo
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- CN208088108U CN208088108U CN201820112782.1U CN201820112782U CN208088108U CN 208088108 U CN208088108 U CN 208088108U CN 201820112782 U CN201820112782 U CN 201820112782U CN 208088108 U CN208088108 U CN 208088108U
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Abstract
The utility model is related to a kind of Simply supported non-uniform bridge structure constructions, and one section of precast beam is respectively set in continuous pier top both sides, spacing is equipped between the beam-ends face of the precast beam of both sides, it is characterised in that：In the continuous pier top of Simply supported non-uniform structure, only the top plate of two sections of precast beams is connected with bottom plate, beam body abdominal portion is not connected to, and forms the transformation for becoming continuous state from simply-supported state.The utility model reduces the binding of live crossbeam skeleton reinforcing steel bar, avoids reinforcing bar in length and breadth and staggeredly gathers, increased operating space reduces cast-in-place workload, reduces difficulty of construction, ensure that construction quality.Compared with existing traditional Simply supported non-uniform structure construction, advantage is had more in difficulty of construction, economy etc..
Description
Technical field
The utility model is related to bridge structure design technical field, specifically a kind of Simply supported non-uniform bridge structure structure
It makes and its construction method.
Background technology
Currently, conventional Simply supported non-uniform structure constructs, it is in Ministry of Communications's packaged type bridges standard drawing and extensive at present
The Simply supported non-uniform structure used, pier top continuous segment generally are solid tunneling boring, and configure longitudinal reinforcement or steel beam, while horizontal
To being connected as one of cross bearer, and configure transverse steel.During practice of construction, vertically and horizontally reinforcing bar, steel beam are staggeredly close for pier top section
Cloth, concreting is difficult, and site welding heavy workload, construction space is small, and construction quality is difficult to ensure.
Utility model content
The purpose of this utility model is to provide a kind of Simply supported non-uniform bridge structure constructions, and there is traditional freely-supported to become company for it
The advantages of continuous structure, while simple structure, reduce vertically and horizontally reinforcing bar and interlock, reduce difficulty of construction, construction is simple is convenient, ensures
Construction quality.
To achieve the goals above, the technical solution of the utility model is：A kind of Simply supported non-uniform bridge structure construction,
One section of precast beam is respectively set in continuous pier top both sides, and spacing is equipped between the beam-ends face of the precast beam of both sides, it is characterised in that：?
The continuous pier top of Simply supported non-uniform structure only connects the top plate of two sections of precast beams with bottom plate, and beam body abdominal portion does not connect
It connects, forms the transformation for becoming continuous state from simply-supported state.
Further, in the longitudinally disposed permanent bearing of two rows of middle pier pier top, the permanent bearing of one row of left side is for setting up a left side
Side precast beam, the permanent bearing of one row of right side is for setting up right side precast beam, between left side precast beam and the top plate of right side precast beam
It is connected by casting top slab.
Further, after pier top sets up bent cap, permanent bearing is laid on bent cap.
Further, the length of casting top slab is greater than or equal to the spacing between the beam section of both sides precast beam.
The another object of the utility model is to provide a kind of Simply supported non-uniform bridge structure construction method, reduce
Vertically and horizontally reinforcing bar interlocks, and reduces difficulty of construction, and construction is simple is convenient, ensures construction quality.
To achieve the goals above, the technical solution of the utility model is as follows：A kind of Simply supported non-uniform bridge structure construction
Construction method, it is characterised in that the construction method includes the following steps：
A, bent cap is set up；
B, two rows of permanent bearings are laid on bent cap, and erecting beam is on corresponding permanent bearing, wherein left side is pre-
Roof beam structure processed is set to the permanent bearing of one row of left side, and right side erection of precast beams is in the permanent bearing of one row of right side, left side precast beam and right side
It is set between the beam section of precast beam at regular intervals；
C, vertically and horizontally reinforcing bar is welded in binding, pours cast-in-place bottom plate and casting top slab successively；
D, after the completion of waiting for cast-in-place bottom plate and casting top slab, then the lateral connection between precast beam is completed.
Further, the length of casting top slab is more than the spacing between the beam section of two sections of precast beams.
The technical solution of the utility model has apparent technical characterstic, first, on the basis of freely-supported precast beam, connection
Adjacent two, across the top of precast beam, bottom plate, greatly reduce site operation difficulty；Second, crossbeam framework of steel reinforcement need not be bound, subtract
Lacked vertically and horizontally reinforcing bar staggeredly, reduce the workload of live reinforcement welding and concreting, accelerate construction speed；Its
Three, there is certain economic sexual clorminance；Fourth, easy for construction, the system that need not be carried out between temporary support and permanent bearing turns
It changes；Fifth, site operation space is big, convenient and quick construction, quality is easy to ensure.This construction adapts to modern precast assembly knot
The demand for development of structure, while meeting structure stress, construction and life requirement, further decrease site operation workload,
Difficulty of construction is reduced, achievees the purpose that novel and unique, flexible and changeable.
Description of the drawings
Fig. 1 is that the utility model constructs facade layout drawing.
Fig. 2 is that the utility model constructs facade detail drawing.
Fig. 3 is the utility model structure section arrangement schematic diagram（Section with small box girder structure be only illustrate casting top slab and
Bottom plate, remaining tectonic type only refer to）.
Specific implementation mode
The utility model will be further described below in conjunction with the accompanying drawings.
The utility model be a kind of Simply supported non-uniform bridge structure structural scheme, mainly comprising precast beam 1, permanent bearing 2,
The components such as bent cap 3, casting top slab 12, cast-in-place bottom plate 13, Prefabricated bar end face 14.After having set up bent cap 3, the cloth on bent cap 3
If permanent bearing 2, and erecting beam 1, on permanent bearing 2, vertically and horizontally reinforcing bar is welded in binding, pours cast-in-place bottom plate 13 successively
With casting top slab 12, after the completion of waiting for cast-in-place bottom plate 13 and casting top slab 12, then the lateral connection between precast beam is completed.
Its construction procedure is as follows：
A, bent cap is set up；
B, two rows of permanent bearings are laid on bent cap, and erecting beam is on corresponding permanent bearing, wherein left side is pre-
Roof beam structure processed is set to the permanent bearing of one row of left side, and right side erection of precast beams is in the permanent bearing of one row of right side, left side precast beam and right side
It is set between the beam section of precast beam at regular intervals；
C, vertically and horizontally reinforcing bar is welded in binding, pours cast-in-place bottom plate and casting top slab successively；
D, after the completion of waiting for cast-in-place bottom plate and casting top slab, then the lateral connection between precast beam is completed.
Spacing d between cast-in-place bottom plate 13 and the thickness and Prefabricated bar section 14 of casting top slab 12 is according to Force Calculation
It determines, to avoid upper limb top plate stress maximum position Chong Die with construction joint, the range L of casting top slab 12 can be increased, i.e. L>
D so that stress is more reasonable, needs to consider to reserve notch and reinforcing bar when prefabricated beam prefabricated at this time.
By the utility model building method, worker can be that operating platform carries out subsequent construction, site operation with bent cap 3
Space is larger, while transverse steel is less, and non-tunneling boring connection reduces cast in situs workload, and construction quality can be protected
Card, accelerates construction speed.
The characteristics of the utility model, is：In the continuous pier top of Simply supported non-uniform structure, only the top of precast beam, bottom plate are connected
It connects, beam body abdominal portion does not connect, and in the longitudinally disposed two rows of bearings of the same continuous pier pier top, need not carry out temporary support and forever
System transform between long bearing.On the basis of freely-supported precast beam, connection adjacent two is dropped significantly across the top of precast beam, bottom plate
Low site operation difficulty；Crossbeam framework of steel reinforcement need not be bound, reduce vertically and horizontally reinforcing bar staggeredly, reduce live reinforcing bar
The workload of welding and concreting, accelerates construction speed；Site operation space is big, and convenient and quick construction, quality is easy to
Ensure.The permanent bearing of a row is only longitudinally arranged in middle pier in traditional Simply supported non-uniform construction, need to realize in the construction process from
Switch to the system transform of permanent bearing temporarily, and pier pier top need not be carried out in longitudinally disposed two rows of bearings in the utility model
System transform.
The utility model description in, it is to be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as " vertical ", " transverse direction ", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the scope of protection of the utility model.
Claims (4)
1. a kind of Simply supported non-uniform bridge structure construction, one section of precast beam is respectively set in continuous pier top both sides, both sides it is prefabricated
Spacing is equipped between the beam-ends face of beam, it is characterised in that：It is only prefabricated by described two sections in the continuous pier top of Simply supported non-uniform structure
The top plate of beam is connected with bottom plate, and beam body abdominal portion is not connected to, and forms the transformation for becoming continuous state from simply-supported state.
2. a kind of Simply supported non-uniform bridge structure construction as described in claim 1, it is characterised in that：Middle pier pier top along longitudinal direction
The two rows of permanent bearings of setting, the permanent bearing of one row of left side is for setting up left side precast beam, and the permanent bearing of one row of right side is for setting up
Right side precast beam is connected between left side precast beam and the top plate of right side precast beam by casting top slab.
3. a kind of Simply supported non-uniform bridge structure construction as described in claim 1, it is characterised in that：After pier top sets up bent cap,
Permanent bearing is laid on bent cap.
4. a kind of Simply supported non-uniform bridge structure construction as described in claim 1, it is characterised in that：The length of casting top slab is big
In or equal to spacing between the beam section of both sides precast beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112782.1U CN208088108U (en) | 2018-01-23 | 2018-01-23 | A kind of Simply supported non-uniform bridge structure construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112782.1U CN208088108U (en) | 2018-01-23 | 2018-01-23 | A kind of Simply supported non-uniform bridge structure construction |
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| Publication Number | Publication Date |
|---|---|
| CN208088108U true CN208088108U (en) | 2018-11-13 |
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| CN201820112782.1U Active CN208088108U (en) | 2018-01-23 | 2018-01-23 | A kind of Simply supported non-uniform bridge structure construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016423A (en) * | 2021-11-25 | 2022-02-08 | 上海市政工程设计研究总院（集团）有限公司 | Construction method for simply supporting hidden cover beam and then continuously constructing small box beam |
-
2018
- 2018-01-23 CN CN201820112782.1U patent/CN208088108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016423A (en) * | 2021-11-25 | 2022-02-08 | 上海市政工程设计研究总院（集团）有限公司 | Construction method for simply supporting hidden cover beam and then continuously constructing small box beam |
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