CN207891754U - A kind of continuous girders by suspension grouting 0# block cast-in-place supports - Google Patents
A kind of continuous girders by suspension grouting 0# block cast-in-place supports Download PDFInfo
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- CN207891754U CN207891754U CN201721320833.1U CN201721320833U CN207891754U CN 207891754 U CN207891754 U CN 207891754U CN 201721320833 U CN201721320833 U CN 201721320833U CN 207891754 U CN207891754 U CN 207891754U
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Abstract
The utility model is related to a kind of continuous girders by suspension grouting 0# blocks console mode steel pipe supports, including be located on the cushion cap of bridge pier steel pipe space framework, be located at steel pipe space framework upper end outer transverse distribution beam and interior transverse distribution beam, more longitudinal distribution beams are equipped on outer transverse distribution beam and interior transverse distribution beam, more longitudinal distribution beams are located under the bottom plate of box beam, and bottom die of box-beam support component is equipped on more longitudinal distribution beams；It further respectively has more longerons on outer transverse distribution beam both ends, under the projection for the flange plate that more longerons are located at box beam, box beam side form and edge of a wing support component is equipped on more longerons.The utility model good integrity, rigidity and stability are high, sedimentation phenomenon will not occur in cast-in-place construction, it can be ensured that beam body absolute altitude and concrete quality；Existing hanging basket's components can not only be utilized to greatest extent, and can also be used as continuous beam temporary consolidation.
Description
Technical field
The utility model is related to Longspan Bridge engineerings, and in particular to a kind of continuous girders by suspension grouting 0# block cast-in-place supports.
Background technology
In bridge construction, cast-in-situ continuous beam form of construction work is varied, and the continuous beam for crossing over extreme terrain mostly uses
Hanging basket cantilever mode is constructed, and 0# blocks support cast-in-place is a particularly important part again in hanging basket cantilever construction, it is necessary to first
Pour 0# blocks.0# blocks are generally poured using raft support method, after intensity reaches specified value, then using 0# blocks as operating platform,
The machinery of installation thereon, Hanging Basket etc. are symmetrically poured or are assembled No. 1 block, No. 2 blocks, etc..The quality of general 0# blocks is very big,
Concrete thickness is very thick, to bear big moment of flexure；Length is longer, to ensure that construction machinery is placed in enough spaces.For higher
Bridge, 0# blocks mostly use on pier shaft mounting bracket form and carry out cast-in-place, and shorter bridge, can be used console into
Row is cast-in-place, when using console, and can be according to bridge load size using full hall bowl buckle holder or spiral steel pipe holder shape
Formula.When using spiral steel pipe holder built, the position of spiral steel pipe is often possible to and continuous beam temporary support steel pipe phase
Conflict, causes support Design and constructional difficulties.Therefore, it is necessary to develop a kind of console mode spiral steel pipe holder, and solve the side of setting up
Method is allowed to that cast-in-place support function can be met and is clashed with temporary support steel pipe.CN 103669225A disclose " one
Kind continuous beam 0# blocks supporting structure ".Bridge pier has two tube columns per side, and upright supports are on concrete bearing platform；Column top is set
A carling being connect with bridge pier is set, carling is welded to connect with pier shaft built-in fitting and column top being directly welded to connect；It is short
Crossbeam is set above longeron, and crossbeam length is suitable with bridge deck width, by the weldment fixed position on carling；Above crossbeam
Array framed bent is set, and framed bent inner opposite end is welded to connect with bridge pier by built-in fitting, and is relatively fixed with crossbeam；It is put above framed bent
Set bottom die of box-beam.The supporting structure securely and reliably meets the force request of construction stage each operating mode；Work progress is simple and fast, respectively
Key position stress is clear, facilitates inspection.Unquestionably, this be fields a kind of good try.
Invention content
The purpose of this utility model is to provide a kind of continuous girders by suspension grouting 0# block cast-in-place supports, good integrity, rigidity and steady
Sedimentation phenomenon will not occur in cast-in-place construction for qualitative height, it can be ensured that beam body absolute altitude and concrete quality；It can not only be maximum
Limit utilizes existing hanging basket's components, and can also be used as continuous beam temporary consolidation.
A kind of continuous girders by suspension grouting 0# block cast-in-place supports described in the utility model, including the steel pipe that is located on the cushion cap of bridge pier
Space framework, the outer transverse distribution beam for being located at steel pipe space framework upper end and interior transverse distribution beam, in outer transverse distribution beam and interior
More longitudinal distribution beams are equipped with above transverse distribution beam, described more longitudinal distribution beams are located under the bottom plate of box beam, described
It is equipped with bottom die of box-beam support component above more longitudinal distribution beams, it is characterized in that：On the outer transverse distribution beam both ends
More longerons are further respectively had, under the projection for the flange plate that the more longerons are located at box beam, on the more longerons
Equipped with box beam side form and edge of a wing support component.
Further, the steel pipe space framework includes：
More equidistant vertical to be located at close to the cushion cap front of bridge pier and the lateral steel pipe at back edge, the cushion cap front
More lateral steel pipes and more transverse direction steel pipes of the cushion cap back it is symmetrical two-by-two, and be located under the bottom plate of box beam,
And upper end is flushed with box beam bottom plate；
More equidistant be located at close to the cushion cap left sides of bridge pier it is good on the right of edge longitudinal steel pipe, the cushion cap left side it is more
Root longitudinal direction steel pipe and more on the right of the cushion cap longitudinal steel pipes are symmetrical two-by-two, and be located at box beam flange plate projection it
Under, and upper end is flushed with box beam bottom plate；
More shaped steel brackets pass through the upper end of described more lateral steel pipes one by one along longitudinal direction respectively, form T-shape structure；
The shaped steel bracket is welded and fixed close to one end of bridge pier with the steel plate being embedded in bridge pier, below shaped steel bracket both sides
It is respectively arranged with shaped steel diagonal brace；
Connect that form stable steel pipe vertical between described more lateral steel pipes, more longitudinal steel pipes by structural steel connecting member
Body frame structure.
Further, two beam prestress wires are equipped in every lateral steel pipe, the lower end of the prestress wire is logical
Cross that P anchors anchor in cushion cap concrete, upper end penetrates in box beam inner cabinet；
Further, the outer transverse distribution beam is arranged in more shaped steel brackets far from the upper surface of bridge pier side；The interior cross
It is arranged in the upper surface of close bridge pier side of more shaped steel brackets to distribution beam；
Described more longitudinal distribution beams are equidistantly positioned in the upper surface of outer transverse distribution beam and interior transverse distribution beam；More vertical
It is adjusted to the change slope part below distribution beam by bearing beam and leveling voussoir.
Further, the bottom die of box-beam support component is made of the lumps of wood and decoration panel template, is located at more longitudinal distribution beams
Above, and with the bottom plate of box beam it is close to.
Further, the box beam side form and edge of a wing support component are made of support Hanging Basket side form and bowl buckle holder, the bowl
Button holder rides upon above the more longerons, the support Hanging Basket side form also ride upon above more longerons and with the box beam
Both sides connection.
Further, the lateral steel pipe is identical with longitudinal diameter of steel pipe, is spiral steel pipe.
The building method of the utility model, includes the following steps：
The first step, pre-buried longitudinal direction steel pipe, lateral steel pipe and prestress wire anchored end；
In bearing platform construction, the pre-buried transverse direction pedestal steel plate of steel pipe and the prestress wire anchored end of temporary support, and
The pedestal steel plate of longitudinal steel pipe pre-buried simultaneously；
Second step welds longitudinal steel pipe, lateral steel pipe；
The six roots of sensation is welded on the pre-buried pedestal steel plate of cushion cap connects lateral steel pipe and eight longitudinal steel pipes, wherein six roots of sensation transverse direction steel pipe
Under the bottom plate of box beam, eight longitudinal steel pipes are located under the flange plate of box beam, and when being installed in six roots of sensation transverse direction steel pipe
By the prestress wire of temporary support, it is attached with structural steel connecting member between lateral steel pipe, longitudinal steel pipe；
Third walks, mount type steel corbel；
Hole is cut in the upper-center of six roots of sensation transverse direction steel pipe, shaped steel bracket, one end of shaped steel bracket are crossed in hole
It is welded with pre-embedded steel slab in bridge pier, diagonal brace shaped steel is welded below shaped steel bracket；
4th step installs inside and outside transverse distribution beam；
Outer transverse distribution beam is set far from the upper surface of bridge pier side in more shaped steel brackets, in more shaped steel brackets close to bridge
Transverse distribution beam in the setting of the upper surface of pier side, more are equidistantly positioned in the upper surface of outer transverse distribution beam and interior transverse distribution beam
Longitudinal distribution beam, the change slope part below more longitudinal distribution beams are adjusted by bearing beam and leveling voussoir；
5th step is laid with bottom die of box-beam support component；
It is laid with bottom die of box-beam support component on more longitudinal distribution beams, and is close to the bottom plate of box beam；The box beam
Bed die support component is made of the lumps of wood and decoration panel template；
6th step installs longeron and box beam side form and edge of a wing support component；
More longerons are also respectively set on the outer transverse distribution beam both ends, more longerons are located at the edge of a wing of box beam
Under the projection of plate, box beam side form and edge of a wing support component are set on more longerons；Box beam side form and edge of a wing support component
It is made of support Hanging Basket side form and bowl buckle holder, bowl buckle holder rides upon above more longerons, and the support Hanging Basket side form is also taken
It is located above more longerons and is connect with the both sides of the box beam.
7th step, tensioning temporary support steel strand wires；After the completion of 0# blocks pour, tensioning temporary support is answered in advance on the inside of box beam
Power steel strand wires.
The beneficial effects of the utility model：
Due to being mounted with the prestress wire of temporary support in lateral steel pipe, and run through box beam bottom plate, in box beam
Tensioning in inner cabinet forms tension and compression combination, it is ensured that temporary support validity with lateral steel pipe；Entire holder installation operation
Simplicity, lateral steel pipe and longitudinal steel pipe basic role are on cushion cap, base fixed；Structure is concise, good integrity, rigidity and stabilization
Property it is high, Hanging Basket material can be utilized to greatest extent, and in cast-in-place construction sedimentation phenomenon will not occur for bracket basis, it is ensured that beam
Body absolute altitude and concrete quality, while steel pipe support can use again as continuous beam temporary consolidation.
Description of the drawings
Fig. 1 is the arrangement schematic diagram that lateral steel pipe and longitudinal steel pipe are in cushion cap；
Fig. 2 is the lateral of the utility model（Along the length direction of bridge）Schematic diagram；
Fig. 3 is the transverse direction of the utility model（Along the width direction of bridge）Schematic diagram；
Fig. 4 is the A-A cross-section diagrams of Fig. 3.
In figure：1- cushion caps, 2- bridge piers, 3- box beams, 30- bottom plates, 31- flange plates, 40- transverse direction steel pipes, the longitudinal directions 41- steel pipe,
5- structural steel connecting members, 6- shaped steel brackets, 7- shaped steel diagonal braces, 8- bearing beams, 9- distribute crossbeam, crossbeam are distributed in 10- outside, and 11- is longitudinal
Distribution beam, 12- longerons, 13- bowl buckle holders, 14- bottom die of box-beam support components, 15- support Hanging Basket side form, 16- prestress steel twists
Line, 17- leveling voussoirs.
Specific implementation mode
The utility model will be further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, Fig. 3 and a kind of continuous girders by suspension grouting 0# block cast-in-place supports shown in Fig. 4, including it is located at bridge pier 2
Steel pipe space framework on cushion cap 1, the outer transverse distribution beam 9 for being located at steel pipe space framework upper end and interior transverse distribution beam 10,
Outer transverse distribution beam 9 and interior transverse distribution beam 10 are equipped with more longitudinal distribution beams 11 above, and described more longitudinal distribution beams are located at
Under the bottom plate 30 of box beam 3, bottom die of box-beam support component 14 is equipped on described more longitudinal distribution beams；In the outer transverse direction
Further respectively have more longerons 12 above 9 both ends of distribution beam, the more longerons be located at the flange plate 31 of box beam 3 projection it
Under, box beam side form and edge of a wing support component are equipped on the more longerons 12.
The steel pipe space framework includes：More（This example is 6）It is equidistant to be located at vertically before the cushion cap 1 of bridge pier 2
The lateral steel pipe 40 on side and back edge, more cross of more in front of the cushion cap 1 lateral steel pipe 40 and 1 back of the cushion cap
It is symmetrical two-by-two to steel pipe 40, and be located under the bottom plate 30 of box beam 3, and upper end is flushed with 3 bottom plate 30 of box beam；
More（This example is 8）It is equidistant to be located at longitudinal steel pipe 41 close to the good the right edge in 1 left side of cushion cap of bridge pier 2,
The longitudinal steel pipe 41 of more of 1 left side of the cushion cap and more longitudinal steel pipes 41 on 1 the right of the cushion cap are symmetrical two-by-two, and position respectively
Under the projection of the flange plate 31 of box beam 3, and upper end is flushed with 3 bottom plate 30 of box beam；
More（This example is 6）Shaped steel bracket 6 passes through the upper end of described more lateral steel pipes 40 one by one along longitudinal direction respectively,
Form T-shape structure；The shaped steel bracket 6 is welded and fixed close to one end of bridge pier 2 with the steel plate being embedded in bridge pier, the type
Steel corbel is respectively arranged with shaped steel diagonal brace 7 below 6 both sides；
It is connected by structural steel connecting member 5 between the lateral steel pipe 40 of described more, more longitudinal steel pipes 41 and forms stabilization
Steel pipe space frame structure.
Two beam prestress wires 16 are equipped in every lateral steel pipe 40, the lower end of the prestress wire passes through P
Anchor anchors in 1 concrete of cushion cap, upper end penetrates in 3 inner cabinet of box beam；It waits for carrying out tensioning after the completion of 0# blocks pour, with better
Play the role of temporary support.
P anchors belong to flat anchor, are non-stretching end anchorages.It is to process several anchor cup holes above, so with one block of plain plate that it, which is constructed,
Steel strand wires are passed through into anchor cup hole afterwards, are locked with intermediate plate, then be anchored in concrete, the other end extends to the knot other than concrete
Structure finishes after intensity reaches after concreting, tensioning is carried out in the other end.
The outer transverse distribution beam 9 is arranged in more shaped steel brackets 6 far from the upper surface of 2 side of bridge pier；The interior transverse direction point
It is arranged in more shaped steel brackets 6 close to the upper surface of 2 side of bridge pier with beam 10；
Described more longitudinal distribution beams 11 are equidistantly positioned in the upper surface of outer transverse distribution beam 9 and interior transverse distribution beam 10；
Change slope part below more longitudinal distribution beams 11 is adjusted by bearing beam 8 and leveling voussoir 17.
The bottom die of box-beam support component 14 is made of the lumps of wood and decoration panel template, is located in more longitudinal distribution beams 11
Face, and be close to the bottom plate of box beam 3 30.
The box beam side form and edge of a wing support component are made of support Hanging Basket side form 15 and bowl buckle holder 13, the bowl buckle branch
Frame 13 rides upon above the more longerons 12, the support Hanging Basket side form 15 also ride upon more longerons 12 above and with it is described
The both sides of box beam 3 connect.
The transverse direction steel pipe 40 is identical with the diameter of longitudinal steel pipe 41, is spiral steel pipe.
The transverse direction steel pipe 40 can be four, eight or ten as the case may be, and the longitudinal direction steel pipe 41 is according to tool
Body situation can be four, the six roots of sensation or ten, that is, constitute other embodiment.
The building method of the utility model, includes the following steps（Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4）：
The first step, pre-buried longitudinal direction steel pipe, lateral steel pipe and prestress wire anchored end；
When cushion cap 1 is constructed, the pedestal steel plate of pre-buried transverse direction steel pipe 40 and the prestress wire 16 of temporary support anchor
End, and the pedestal steel plate of longitudinal steel pipe pre-buried simultaneously 41；
Second step welds longitudinal steel pipe, lateral steel pipe；
The six roots of sensation is welded on the pre-buried pedestal steel plate of cushion cap 1 and connects lateral steel pipe 40 and eight longitudinal steel pipes 41, and the wherein six roots of sensation is horizontal
It is located to steel pipe 40 under the bottom plate 30 of box beam 3, eight longitudinal steel pipes 41 are located under the flange plate 31 of box beam 3, and in the six roots of sensation
The prestress wire 16 of temporary support is used into shaped steel between lateral steel pipe 40, longitudinal steel pipe 41 when installation in lateral steel pipe 40
Connector 5 is attached；
Third walks, mount type steel corbel；
Hole is cut in the upper-center of six roots of sensation transverse direction steel pipe 40, crosses shaped steel bracket 6 in hole, the one of shaped steel bracket
End is welded with pre-embedded steel slab in bridge pier 2, welding diagonal brace shaped steel 7 below shaped steel bracket；
4th step installs inside and outside transverse distribution beam；
Outer transverse distribution beam 9 is set far from the upper surface of 2 side of bridge pier in more shaped steel brackets 6, is leaned in more shaped steel brackets 6
Transverse distribution beam 10 in the setting of the upper surface of nearly 2 side of bridge pier, it is equidistant in the upper surface of outer transverse distribution beam 9 and interior transverse distribution beam 10
More from setting longitudinal distribution beams 11, change slope part below more longitudinal distribution beams 11 by bearing beam 8 and leveling voussoir 17 into
Row adjustment；
5th step is laid with bottom die of box-beam support component；
It is laid with bottom die of box-beam support component 14 on more longitudinal distribution beams 11, and is close to the bottom plate of box beam 3 30；Institute
Bottom die of box-beam support component 14 is stated to be made of the lumps of wood and decoration panel template；
6th step installs longeron and box beam side form and edge of a wing support component；
More longerons 12 are also respectively set on outer 9 both ends of transverse distribution beam, more longerons are located at box beam 3
Under the projection of flange plate 31, box beam side form and edge of a wing support component are set on more longerons 12；Box beam side form and the edge of a wing
Support component is made of support Hanging Basket side form 15 and bowl buckle holder 13, and bowl buckle holder 13 rides upon above more longerons 12, described
Support Hanging Basket side form 15 also rides upon more longerons 12 and connect above and with the both sides of the box beam 3.
7th step, tensioning temporary support steel strand wires；It is pre- in 3 inside tensioning temporary support of box beam after the completion of 0# blocks pour
Prestress steel strand 16.
Claims (7)
1. a kind of continuous girders by suspension grouting 0# block cast-in-place supports, including it is located at bridge pier（2）Cushion cap（1）On steel pipe space framework, set
Outer transverse distribution beam in steel pipe space framework upper end（9）With interior transverse distribution beam（10）, in outer transverse distribution beam（9）With interior cross
To distribution beam（10）It is equipped with more longitudinal distribution beams above（11）, more longitudinal distribution beams are located at box beam（3）Bottom plate
（30）Under, in described more longitudinal distribution beams（11）It is equipped with bottom die of box-beam support component above（14）, it is characterized in that：Described
Outer transverse distribution beam（9）More longerons are further respectively had above both ends（12）, the more longerons are located at box beam（3）The edge of a wing
Plate（31）Projection under, in the more longerons（12）It is equipped with box beam side form and edge of a wing support component above.
2. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 1, it is characterized in that the steel pipe space framework includes：
More equidistant vertical to be located at close to bridge pier（2）Cushion cap（1）The lateral steel pipe in front and back edge（40）, described to hold
Platform（1）More in front lateral steel pipes（40）With the cushion cap（1）The lateral steel pipe of more of back（40）It is symmetrical two-by-two, and respectively
Positioned at box beam（3）Bottom plate（30）Under, and upper end is and box beam（3）Bottom plate（30）It flushes；
More equidistant to be located at close to bridge pier（2）Cushion cap（1）Longitudinal steel pipe at the good the right edge in the left side（41）, the cushion cap
（1）The longitudinal steel pipe of more of the left side（41）With the cushion cap（1）The longitudinal steel pipe of more of the right（41）It is symmetrical two-by-two, and position respectively
In box beam（3）Flange plate（31）Projection under, and upper end is and box beam（3）Bottom plate（30）It flushes；
More shaped steel brackets（6）Pass through described more lateral steel pipes one by one along longitudinal direction respectively（40）Upper end, formed T-shape knot
Structure；The shaped steel bracket（6）Close to bridge pier（2）One end be welded and fixed with the steel plate being embedded in bridge pier, the shaped steel bracket
（6）Shaped steel diagonal brace is respectively arranged with below both sides（7）；
The lateral steel pipe of described more（40）, more longitudinal steel pipes（41）Between pass through structural steel connecting member（5）Connection, which is formed, stablizes
Steel pipe space frame structure.
3. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 2, it is characterized in that：In every lateral steel pipe（40）It is interior
Equipped with two beam prestress wires（16）, the lower end of the prestress wire is anchored by P anchors into cushion cap（1）In concrete,
Upper end penetrates box beam（3）In inner cabinet.
4. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 2, it is characterized in that：
The outer transverse distribution beam（9）It is arranged in more shaped steel brackets（6）Far from bridge pier（2）The upper surface of side；
The interior transverse distribution beam（10）It is arranged in more shaped steel brackets（6）Close to bridge pier（2）The upper surface of side；
Described more longitudinal distribution beams（11）It is equidistantly positioned in outer transverse distribution beam（9）With interior transverse distribution beam（10）It is upper
Face；More longitudinal distribution beams（11）Following change slope part passes through bearing beam（8）And leveling voussoir（17）It is adjusted.
5. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 1 or 2, it is characterized in that：The bottom die of box-beam support
Component（14）It is made of the lumps of wood and decoration panel template, is located at more longitudinal distribution beams（11）Above, and and box beam（3）Bottom plate
（30）It is close to.
6. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 1 or 2, it is characterized in that：The box beam side form and the wing
Edge support component is by support Hanging Basket side form（15）With bowl buckle holder（13）Composition, the bowl buckle holder（13）Ride upon described more
Longeron（12）Above, the support Hanging Basket side form（15）Also more longerons are ridden upon（12）Above and with the box beam（3）Two
Side connects.
7. continuous girders by suspension grouting 0# block cast-in-place supports according to claim 2, it is characterized in that：The transverse direction steel pipe（40）With it is vertical
To steel pipe（41）Diameter it is identical, be spiral steel pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721320833.1U CN207891754U (en) | 2017-10-13 | 2017-10-13 | A kind of continuous girders by suspension grouting 0# block cast-in-place supports |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721320833.1U CN207891754U (en) | 2017-10-13 | 2017-10-13 | A kind of continuous girders by suspension grouting 0# block cast-in-place supports |
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ID=63547028
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524096A (en) * | 2017-10-13 | 2017-12-29 | 中铁八局集团第工程有限公司 | A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method |
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2017
- 2017-10-13 CN CN201721320833.1U patent/CN207891754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524096A (en) * | 2017-10-13 | 2017-12-29 | 中铁八局集团第工程有限公司 | A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method |
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