CN208604494U - Large-span cast-in-situ continuous beam rest combined bay - Google Patents
Large-span cast-in-situ continuous beam rest combined bay Download PDFInfo
- Publication number
- CN208604494U CN208604494U CN201820720172.XU CN201820720172U CN208604494U CN 208604494 U CN208604494 U CN 208604494U CN 201820720172 U CN201820720172 U CN 201820720172U CN 208604494 U CN208604494 U CN 208604494U
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- Prior art keywords
- bracket
- pier shaft
- supporting element
- fitting
- cushion cap
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Abstract
The utility model discloses a kind of large-span cast-in-situ continuous beam rest combined bays, including cushion cap built-in fitting, pier shaft connector, pier shaft built-in fitting, supporting element and bracket, cushion cap built-in fitting to be fixed in cushion cap;Pier shaft built-in fitting is embedded in pier shaft;Supporting element is vertically arranged, and cushion cap is fixed on by cushion cap built-in fitting in the lower end of supporting element, and upper end and the bracket of supporting element are fixed, and pier shaft built-in fitting is fixed on by pier shaft connector in the middle part of supporting element.The utility model has the following beneficial effects: supporting element, can safety and stability transmitting load without basis is separately provided by the connection with cushion cap and pier shaft using existing cushion cap and pier shaft;To the operating condition that 0# block and 1# block are poured simultaneously, by way of the connecting bracket at the top of supporting element so that load by bracket be transferred to supporting element achieve the effect that it is stable;Rest combined frame structure stress is clear, and bracket transmits upper load, reduces project amount, improves structural stability, save the cost.
Description
Technical field
The utility model relates to technical field of civil engineering, and in particular to a kind of large-span cast-in-situ continuous beam rest combination
Frame.
Background technique
In traffic engineering construction field, as high-speed railway is built and the construction of western mountainous areas traffic route, shared by bridge
Ratio quicklys increase, and frequent cast-in-situ continuous beam uses cantilever technique, for fixed suspended casting suspended basket, just need first to bridge pier shaft it
On 0# block (1# block is also cast-in-place together with 0# block in most cases) it is cast-in-place.Cast-in-place 0# block and 1# block are needed that support frame is arranged
System, traditional way is the place not satisfied the requirements for high pier or ground, preferable for geological conditions using bracket,
In the case that pier shaft is not high, using support frame system.The problem of high-pier bracket structure is usually brought is construction and installation inconvenience, is reduced
Efficiency.Individual support frame structure, when Cast-in-Situ Segment is longer, often in the case where ground is poor, support frame basis needs to adopt
With pile foundation, cost is higher, so that construction temporary structure increases cost, causes to waste.
Utility model content
The purpose of this utility model is to provide a kind of large-span cast-in-situ continuous beam rest combined bay, bracket passes through support
Part, pier shaft built-in fitting and cushion cap built-in fitting are fixed on pier shaft and cushion cap, and using cushion cap foundation and pier shaft structure, it is bright to have reached stress
Really reliable, stable structure effect, with to solve the above problem.
To achieve the above object, the technical solution of the utility model is
A kind of large-span cast-in-situ continuous beam rest combined bay, including cushion cap built-in fitting, pier shaft connector, pier shaft built-in fitting,
Supporting element and bracket, in which:
The cushion cap built-in fitting is fixed in cushion cap;
The pier shaft built-in fitting is embedded in pier shaft;
The supporting element is vertically arranged, and cushion cap is fixed on by the cushion cap built-in fitting in the lower end of the supporting element, described
The upper end of supporting element is fixed with the bracket, and it is pre- that the pier shaft by the pier shaft connector is fixed in the middle part of the supporting element
Embedded part.
Preferably, the quantity of the supporting element is multiple, and all supporting elements are evenly arranged in the central axes of pier shaft
Side.
Preferably, all supporting elements are fixed by truss frame for connecting.
Preferably, the supporting element is detachably connected with the cushion cap built-in fitting by first flange.
Further, the first flange include pre-embedded bolt, nut, first flange disk and it is multiple be evenly arranged in it is described
The ribbed stiffener of first flange disk side, the ribbed stiffener are fixed on the first flange disk, offer on the first flange disk
Bolt hole clearance fit on multiple bolts hole, the pre-embedded bolt and the first flange disk.
Further, the cushion cap built-in fitting includes the pre-embedded bolt and pre-embedded steel slab, and the pre-embedded bolt is embedded in
In the cushion cap, the pre-embedded bolt is locked after sequentially passing through the pre-embedded steel slab, the bolt hole upwards by the nut.
Further, the supporting element is detachably connected with the bracket by second flange.
Further, the pier shaft built-in fitting includes pre-buried pier shaft reinforcing bar and pre-buried pier shaft steel plate, the pre-buried pier shaft steel
Muscle is L-type, and the first end of the pre-buried pier shaft reinforcing bar is embedded in the pier shaft, and the second end of the pre-buried pier shaft reinforcing bar extends
The pier shaft out, the pre-buried pier shaft reinforcing bar include that the horizontally disposed horizontal pier shaft built-in fitting of second end and second end are vertically arranged
Vertical pier shaft built-in fitting.
Further, the bracket includes bracket upright bar, bracket horizon bar and bracket hound, in which:
The bracket upright bar is vertically arranged, and the bracket horizon bar is horizontally disposed, and the bracket hound is obliquely installed, institute
The lower end for stating bracket upright bar is fixed on the upper end of the supporting element by the second flange, and the upper end of the bracket upright bar is fixed
In the middle part of the bracket horizon bar, the bracket upright bar, the bracket hound are fixed in the lower end of the bracket hound
Upper end be fixed on the end of the bracket horizon bar, the quantity of the bracket hound is two, two bracket diagonal braces
Bar is arranged symmetrically in the left and right sides of the bracket upright bar.
Further, the supporting element be in the vertical direction multistage setting, the adjacent supporting element of any two it
Between by being detachably connected fixation.
The utility model has the advantages that
Bracket is fixed on pier shaft and cushion cap by supporting element, pier shaft built-in fitting and cushion cap built-in fitting, using cushion cap foundation and
Pier shaft structure has achieved the effect that the clear reliable, stable structure of stress.
The utility model uses rest combined frame structure system, makes full use of existing cushion cap and pier shaft, supporting element by with
The connection of cushion cap and pier shaft, having achieved the purpose that can safety and stability transmitting load without basis is separately provided.To 0# block and 1#
The operating condition that block is poured simultaneously, by way of the connecting bracket at the top of supporting element, so that the load of top Cast-in-situ Beam passes through bracket
It is transferred to supporting steel pipe and achievees the effect that pernetti composite structure is stable.Rest combined frame structure stress is clear, takes full advantage of
Cushion cap and pier shaft, and bracket transmitting upper load is set, reduce project amount, improve structural stability, save the cost is convenient for
Construction.
Detailed description of the invention
Fig. 1 is the main view of an embodiment of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the main view of an embodiment of bracket
Fig. 5 is the right view of Fig. 4;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the structural schematic diagram of pier shaft built-in fitting;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the connection schematic diagram of supporting element and bracket;
Figure 10 is the connection schematic diagram of supporting element and cushion cap;
Figure 11 is the structural schematic diagram that cushion cap is arranged in pre-embedded bolt;
Figure 12 is the structural schematic diagram of first flange.
In figure: 1, supporting element;2, pier shaft connector;3, bracket brace;4, bracket horizon bar;5, bracket upright bar;6, it connects
Truss;7, first flange;8, ribbed stiffener;9, pre-buried cushion cap steel plate;10, pre-embedded bolt;11, bolt hole;12, nut;13, pre-buried
Pier shaft steel plate;14, pre-buried pier shaft reinforcing bar;141, the first pre-buried pier shaft reinforcing bar;142, the second pre-buried pier shaft reinforcing bar;15, pier shaft;
16, cushion cap;17,0# block;18,1# block.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
Present embodiment discloses a kind of large-span cast-in-situ continuous beam rest combined bay ,-Figure 12 referring to Fig.1 comprising cushion cap
Built-in fitting, pier shaft connector 2, pier shaft built-in fitting, supporting element 1 and bracket, in which:
Cushion cap built-in fitting is fixed in cushion cap 16, specifically, is directly cast in cushion cap, it is made to be integrated knot with cushion cap
Structure;
Pier shaft built-in fitting is embedded in pier shaft 15, specifically, is directly cast in pier shaft, it is made to be integrated knot with pier shaft
Structure;
Supporting element 1 is vertically arranged, and cushion cap is fixed on by cushion cap built-in fitting in the lower end of supporting element 1, the upper end of supporting element 1 with
Bracket is fixed, and pier shaft built-in fitting is fixed on by pier shaft connector 2 in the middle part of supporting element 1, and bracket is pre- by supporting element 1, pier shaft
Embedded part and cushion cap built-in fitting are fixed on pier shaft and cushion cap, using cushion cap foundation and pier shaft structure, have reached the clear reliable, knot of stress
The stable effect of structure.To the operating condition that 0# block 17 and 1#18 block are poured simultaneously, by way of in 1 top connecting bracket of supporting element,
So that load by bracket be transferred to supporting element 1 achieve the effect that it is stable.
It should be noted that the steel pipe that supporting element 1 can select intensity to meet according to load, a kind of type selecting of steel pipe are
Q235B steel, diameter 530mm, thickness 12mm, every segment length 6m, are easy for installation and removal, and reusable, supporting element 1 is vertical
It is arranged on direction for multistage, fixation is detachably connected by such as flanged joint between the adjacent supporting element 1 of any two, arbitrarily
Pass through flanged joint between the adjacent steel pipe in both ends.Connect the flange between two supporting elements 1: flange is disc, thickness
20mm, outer diameter 800mm, internal diameter 500mm 8 bolts hole 11 are arranged on flange, for bolting bolt.Ring flange and steel-pipe welding,
8 270mm × 90mm ribbed stiffeners are welded simultaneously.
Embodiment 2
On the basis of embodiment 1, the quantity of supporting element 1 is multiple, and all supporting elements 1 are evenly arranged in pier shaft
The side of axis, so that the support force to bracket is uniform, so that structure is more stable.
All supporting elements 1 are horizontally fixed by truss frame for connecting 6, prevent 1 transverse curvature of supporting element, swing, improve
Rigidity in its transverse direction, further ensures the stabilization of the utility model structure.
Embodiment 3
On the basis of embodiment 1, supporting element 1 is detachably connected with cushion cap built-in fitting by first flange 7.By removable
Connection is unloaded, the installation and removal of supporting element 1 are facilitated, so that the utility model can repeatedly use, reduces construction cost.
A kind of structure of first flange 7 are as follows: including pre-embedded bolt 10, nut 12,7 disk of first flange and multiple be evenly arranged
Ribbed stiffener 8 in 7 disk side of first flange, ribbed stiffener 8 are fixed on 7 disk of first flange, improve the intensity of 7 disk of first flange,
It is further ensured that the stability of the utility model, multiple bolts hole 11, pre-embedded bolt 10 and first is offered on 7 disk of first flange
11 clearance fit of bolt hole on 7 disk of flange.Ribbed stiffener 8 is evenly arranged, so that the intensity in the circumferential direction of 7 disk of first flange is kept
Unanimously, finally to guarantee the structural stability of the utility model.
Cushion cap built-in fitting includes the pre-buried cushion cap steel plate 9 of cushion cap, and pre-embedded bolt 10 passes through pre-buried cushion cap steel plate 9, first flange 7
It is locked after disk by nut 12.
Supporting element 1 and bracket are detachably connected by second flange, equally ensure that the convenience of installation, disassembly, meanwhile,
So that the utility model can multiple Reusability, reduce construction cost.
Pier shaft built-in fitting includes pre-buried pier shaft reinforcing bar 14 and pre-buried pier shaft steel plate 13, and pre-buried pier shaft reinforcing bar 14 is L-type, pre-buried
The first end of pier shaft reinforcing bar 14 is embedded in pier shaft, and the second end of pre-buried pier shaft reinforcing bar 14 extends the pier shaft, pre-buried pier shaft
Reinforcing bar 14 includes the pre-buried pier shaft reinforcing bar 141 of the horizontally disposed level of second end and the vertical pier shaft built-in fitting that second end is vertically arranged
142。
The pre-buried area of big, the pre-buried pier shaft steel plate 13 of the pre-buried depth of pre-buried pier shaft reinforcing bar 14 is big, to maximumlly protect
The binding force of cushion cap built-in fitting and cushion cap has been demonstrate,proved, to form powerful support to supporting element 1, bracket has been held up biggish
Load, the final stabilization for guaranteeing the utility model structure.
Embodiment 5
On the basis of embodiment 1, a kind of structure of bracket is comprising bracket upright bar 5, bracket horizon bar 4 and bracket
Hound 3, in which:
Bracket upright bar 5 is vertically arranged, and bracket horizon bar 4 is horizontally disposed, and bracket hound 3 is obliquely installed, bracket upright bar 5
Lower end is fixed on the upper end of supporting element 1 by the second flange, and the upper end of bracket upright bar 5 is fixed in bracket horizon bar 4
Bracket upright bar 5 is fixed in portion, the lower end of bracket hound 3, and the end of bracket horizon bar 4 is fixed in the upper end of bracket hound 3,
The quantity of bracket hound 3 is two, and two bracket hounds 3 are arranged symmetrically in the left and right sides of bracket upright bar 5.Bracket upright bar
5 and bracket level peace bear vertical load, bracket hound 3 prevents bracket horizon bar 4 from rotating, so that the structure of bracket is more steady
It is fixed.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of large-span cast-in-situ continuous beam rest combined bay, which is characterized in that including cushion cap built-in fitting, pier shaft connector, pier
Body built-in fitting, supporting element and bracket, in which:
The cushion cap built-in fitting is fixed in cushion cap;
The pier shaft built-in fitting is embedded in pier shaft;
The supporting element is vertically arranged, and cushion cap, the support are fixed on by the cushion cap built-in fitting in the lower end of the supporting element
The upper end of part is fixed with the bracket, and it is pre-buried that the pier shaft by the pier shaft connector is fixed in the middle part of the supporting element
Part.
2. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that the number of the supporting element
It is multiple for measuring, and all supporting elements are evenly arranged in the side of the central axes of pier shaft.
3. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that all supports
Part is fixed by truss frame for connecting.
4. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that the supporting element and institute
Cushion cap built-in fitting is stated to be detachably connected by first flange.
5. large-span cast-in-situ continuous beam rest combined bay according to claim 4, which is characterized in that the first flange packet
Pre-embedded bolt, nut, first flange disk and multiple ribbed stiffeners for being evenly arranged in first flange disk side are included, it is described to put more energy into
Rib is fixed on the first flange disk, offers multiple bolts hole on the first flange disk, the pre-embedded bolt and described the
Bolt hole clearance fit on one ring flange.
6. large-span cast-in-situ continuous beam rest combined bay according to claim 5, which is characterized in that the cushion cap built-in fitting
Including the pre-embedded bolt and pre-embedded steel slab, the pre-embedded bolt is embedded in the cushion cap, and the pre-embedded bolt is upwards successively
It is locked after the pre-embedded steel slab, the bolt hole by the nut.
7. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that the supporting element and institute
Bracket is stated to be detachably connected by second flange.
8. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that the pier shaft built-in fitting
Including pre-buried pier shaft reinforcing bar and pre-buried pier shaft steel plate, the pre-buried pier shaft reinforcing bar is L-type, the first end of the pre-buried pier shaft reinforcing bar
It is embedded in the pier shaft, the second end of the pre-buried pier shaft reinforcing bar extends the pier shaft, and the pre-buried pier shaft reinforcing bar includes
The vertical pier shaft built-in fitting that the horizontally disposed horizontal pier shaft built-in fitting of second end and second end are vertically arranged.
9. large-span cast-in-situ continuous beam rest combined bay according to claim 7, which is characterized in that the bracket includes support
Erect bar, bracket horizon bar and bracket hound, in which:
The bracket upright bar is vertically arranged, and the bracket horizon bar is horizontally disposed, and the bracket hound is obliquely installed, the support
The lower end for erecting bar is fixed on the upper end of the supporting element by the second flange, and institute is fixed in the upper end of the bracket upright bar
State the middle part of bracket horizon bar, the bracket upright bar is fixed in the lower end of the bracket hound, the bracket hound it is upper
The end of the bracket horizon bar is fixed at end, and the quantity of the bracket hound is two, two bracket hounds pair
Claim the left and right sides for being arranged in the bracket upright bar.
10. large-span cast-in-situ continuous beam rest combined bay according to claim 1, which is characterized in that the supporting element exists
It is arranged on vertical direction for multistage, by being detachably connected fixation between the adjacent supporting element of any two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820720172.XU CN208604494U (en) | 2018-05-15 | 2018-05-15 | Large-span cast-in-situ continuous beam rest combined bay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820720172.XU CN208604494U (en) | 2018-05-15 | 2018-05-15 | Large-span cast-in-situ continuous beam rest combined bay |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208604494U true CN208604494U (en) | 2019-03-15 |
Family
ID=65662068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820720172.XU Active CN208604494U (en) | 2018-05-15 | 2018-05-15 | Large-span cast-in-situ continuous beam rest combined bay |
Country Status (1)
Country | Link |
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CN (1) | CN208604494U (en) |
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2018
- 2018-05-15 CN CN201820720172.XU patent/CN208604494U/en active Active
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