CN204959617U - A support for supporting template of initial piece of bridge case roof beam - Google Patents
A support for supporting template of initial piece of bridge case roof beam Download PDFInfo
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- CN204959617U CN204959617U CN201520764965.8U CN201520764965U CN204959617U CN 204959617 U CN204959617 U CN 204959617U CN 201520764965 U CN201520764965 U CN 201520764965U CN 204959617 U CN204959617 U CN 204959617U
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- chord member
- horizontal chord
- horizontal
- shelved
- crossbeam
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- 229910000831 Steel Inorganic materials 0.000 claims description 18
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- 230000000875 corresponding Effects 0.000 claims description 7
- 230000036633 rest Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 10
- 230000003014 reinforcing Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 210000003205 Muscles Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a support for supporting template of initial piece of bridge case roof beam, it includes many pin truss (1), every pin truss (1) articulates including horizontal chord member (5) and oblique chord member (6), inner and upper bracket (2) of horizontal chord member (5), and the outer end of horizontal chord member (5) is articulated with oblique chord member (6) upper end, and oblique chord member (6) lower extreme articulates with undersetting (3), interior sand box (7) and outer sand box (8) have all been shelved on horizontal chord member (5), shelved interior crossbeam (10) on interior sand box (7), shelved outer crossbeam (11) on outer sand box (8), shelved on interior crossbeam (10) and outer crossbeam (11) longeron (12), the template of initial piece (20) is set up on longeron (12). This shelf energy simplified operation process, reduce intensity of labour, reduction of erection time, labour saving and time saving by a wide margin.
Description
Technical field
The utility model relates to bridge engineering field, is specifically a kind of support of template of the original block for supporting bridge box and beam.
Background technology
Case beam is the one of bridge engineering central sill, and inside is hollow shape, and there is the edge of a wing both sides, top, and similar chest, thus gains the name.For stating conveniently, introduces two orientation concepts, the length direction of case beam be equally also the length direction of bridge for longitudinally, the width of case beam is equally also that the width of bridge is for horizontal.
The construction of case beam is that segmentation is built, first construction bearing platform, then builds bridge pier on cushion cap, then builds the original block of case beam at pier coping portion.Described original block refers to and is cast in pier coping portion and along monosymmetric two the cantilevered case beam sections in front and back of bridge pier, bridge pier is all protruded in the front end of front case beam section and the rear end of rear cabinet beam section, and the rear end of front case beam section is connected with the front end of rear cabinet beam section, above-mentioned two case beam sections are that formed by integrally casting is shaping.
After original block has been built, recycling instrument is as other follow-up case beam section of hanging basket whereabouts both sides paragraph by paragraph pouring case beam.And the construction method prior art of building other follow-up case beam section is quite ripe, if application number is described the method for building other follow-up case beam section after the original block of case beam is built with hanging basket one by one in the utility model application of 2014101573937 in detail, therefore the application repeats no more.
The original block problem of still how building case beam at pier coping portion of the application's discussion.The construction method that prior art builds the original block of bridge box and beam is, first build cushion cap and bridge pier successively, full hall scaffold is set up from the bottom up again at the periphery of bridge pier and cushion cap, then the template of case beam original block is set up on scaffold top, and the reinforcing cage of colligation original block, finally pour into a mould original block concrete.
There is following drawback in the method for the original block of prior art construction bridges case beam: before construction, the scope that cushion cap covers and the scope that scaffold covers all need to arrange cofferdam draining and carry out the basement process such as piling, like this, the area needing draining and basement process is comparatively large, long in time limit, labour intensity is large, waste time and energy; And, when bridge pier is higher, the amount setting up steel pipe spent by scaffold and fastener from the bottom up slow down greatly, further speed of application slow, increase labour intensity.
Utility model content
The technical problems to be solved in the utility model is, providing a kind of operation that can simplify the operation, significantly reducing the support of template of labour intensity, reduction of erection time, the time saving and energy saving original block for supporting bridge box and beam.
Technical solution of the present utility model is, provides the support of the template of the original block for supporting bridge box and beam of following structure, and it comprises both sides before and after separation bridge pier and along many truss structures of bridge pier symmetry;
The corresponding upper bracket of every truss structure and a undersetting, upper bracket and undersetting are all anchored in bridge pier concrete;
Every truss structure comprises a horizontal chord member and an inclined chord, and the inner and the upper bracket of horizontal chord member are hinged, the outer end of horizontal chord member and inclined chord upper end thereof, inclined chord lower end and undersetting hinged;
The horizontal chord member of whole truss is all contour, and the horizontal chord member of every root is all shelved with interior sandbox and outer sandbox, interior sandbox directly rests on horizontal chord member and is provided with cushion block between outer sandbox and horizontal chord member;
The sandbox being positioned at the whole horizontal chord member of the same side is shelved with a crossbeam, the outer sandbox being positioned at the whole horizontal chord member of the same side is shelved with an outer crossbeam, be positioned on the crossbeam of the same side and outer crossbeam and be shelved with many longerons; Template for building case beam original block is set up at longeron.
Utilize the method for the original block of rack construction bridge box and beam of the present utility model, it comprises following construction sequence:
A, by horizontal chord member outer end and inclined chord upper end thereof with prefabricated truss, and build cushion cap;
B, set up bridge abutment moulding plate and colligation bridge pier reinforcing bar, water and smash bridge pier concrete, and at the pre-buried upper bracket in former and later two sides of bridge pier and undersetting;
C, by the inner of the horizontal chord member of each truss and corresponding upper bracket hinged, and by hinged with corresponding undersetting for the inclined chord lower end of each truss;
D, on the horizontal chord member of each truss, shelve an interior sandbox and a cushion block, each cushion block is shelved an outer sandbox;
In e, whole on front side of bridge pier, an interior crossbeam shelved by sandbox, whole outer sandbox on front side of bridge pier is shelved an outer crossbeam, in whole on rear side of bridge pier, an interior crossbeam shelved by sandbox, the whole outer sandbox on rear side of bridge pier is shelved an outer crossbeam;
F, on front side of bridge pier in the crossbeam longeron parallel with outer crossbeam being shelved many, the longeron that on rear side of bridge pier, crossbeam is parallel with outer crossbeam being shelved many;
G, on many longerons, set up the template of the original block of case beam, and the reinforcing bar of colligation original block, water the concrete smashing original block;
H, after original block concrete is stiff, the stopper of whole sandbox is pulled out and puts sand, make to occur gap between longeron and the template of original block, be convenient to follow-up dismounting.
The utility model, for supporting the support of the template of the original block of bridge box and beam compared with prior art, has following remarkable advantage and beneficial effect.
First, support due to the template of bearing box beam original block is unsettled laying, the scope that so this support covers need not carry out basement process and cofferdam draining again, only need to process within the scope of cushion cap, reduce the area needing to carry out draining and basement process, simplify working procedure, shorten man-hour, reduce labour intensity, time saving and energy saving; And due to unsettled, need not build from the bottom up as scaffold, therefore eliminate the impact of bridge pier height, no matter how high bridge pier is, all can not increase consumable quantity and workload; And truss is prefabricated, be also removable connection with the installation of bridge pier, assembling and unloading process all convenient and swift, and the truss after dismantling can also circulate and recycles, good economy performance.
As improvement, horizontal chord member comprises the two pieces points of bars in left and right, and every root divides bar to be made up of a large channel-section steel and a channel bar, and channel bar web is welded on large channel-section steel web inner surface, and two pieces points of bar openings of horizontal chord member are towards relatively; Inclined chord is also made up of two same point of bars, but two pieces points of bar openings of inclined chord are towards opposing; Each bearing is made up of the parallel junction plate that two pieces are anchored in bridge pier, and two points of bars of horizontal chord member the inner are between two junction plates of upper bracket; Two points of bars of horizontal chord member outer end are between two points of bars of inclined chord upper end; Two junction plates of undersetting are between two points of bars of inclined chord lower end, and such design makes installation and removal more convenient, and the intensity of truss is desirable, installs firmly.
As preferably, perpendicular connecting rod and oblique connecting rod is provided with between the horizontal chord member of every truss structure and inclined chord, perpendicular connecting rod one end and the middle spot welding of horizontal chord member and the middle spot welding of the other end and inclined chord, oblique connecting rod one end is welded and the middle spot welding of the other end and oblique connecting rod with the inner of horizontal chord member, like this, the firmness of truss is increased further.
As further improvement, between every two Pin adjacent truss of bridge pier the same side, be welded with cross connect square steel, like this, single truss structure can be cross-linked into integrally-built support, strengthen firmness further.
Accompanying drawing explanation
Fig. 1 is that the utility model is for supporting the plan structure schematic diagram of the support of the template of the original block of bridge box and beam.
To be the utility model face structural representation for what support the support of the template of the original block of bridge box and beam to Fig. 2.
Fig. 3 is that the utility model is for supporting the side-looking structural representation of the support of the template of the original block of bridge box and beam.
Fig. 4 is the utility model for the side-looking structural representation of the horizontal chord member and upper bracket pin joint supporting the support of the template of the original block of bridge box and beam.
Fig. 5 is the utility model for the side-looking structural representation of the inclined chord and undersetting pin joint supporting the support of the template of the original block of bridge box and beam.
Fig. 6 is the utility model for the side-looking structural representation of the horizontal chord member and inclined chord pin joint supporting the support of the template of the original block of bridge box and beam.
Shown in figure 1, truss, 2, upper bracket, 3, undersetting, 4, bridge pier, 5, horizontal chord member, 6, inclined chord, 7, interior sandbox, 8, outer sandbox, 9, cushion block, 10, interior crossbeam, 11, outer crossbeam, 12, longeron, 13, large channel-section steel, 14, channel bar, 15, junction plate, 16, perpendicular connecting rod, 17, tiltedly connecting rod, 18, cross connects square steel, and 19, cushion cap, 20, original block.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model is for supporting the support of the template of the original block of bridge box and beam, and it comprises both sides before and after separation bridge pier 4 and along many truss structures 1 of bridge pier 4 symmetry.Specifically, on front side of bridge pier 4, have three truss structures 1, on rear side of bridge pier 4, also have three truss structures 1, and truss structure 1 position of each truss structure 1 of front side and rear side just to and towards the opposite.
The corresponding upper bracket 2 of every truss structure 1 and a undersetting 3, upper bracket 2 and undersetting 3 are all anchored in bridge pier 4 concrete.Each bearing is made up of two pieces of parallel junction plates 15, and in the concrete that the major part of every block junction plate 15 is anchored at bridge pier 4, small part protrudes bridge pier 4 concrete, and the anchorage part of junction plate 15 welds with the main muscle of bridge pier 4.
Every truss structure 1 comprises a horizontal chord member 5 and an inclined chord 6, the inner of horizontal chord member 5 namely near one end of bridge pier 4 and upper bracket 2 hinged, the outer end of horizontal chord member 5 namely away from one end and inclined chord 6 upper end thereof of bridge pier 4, inclined chord 6 lower end and undersetting 3 hinged.
Perpendicular connecting rod 16 and oblique connecting rod 17 is provided with between the horizontal chord member 5 of every truss structure 1 and inclined chord 6, perpendicular connecting rod 16 one end and the middle spot welding of horizontal chord member 5 and the middle spot welding of the other end and inclined chord 6, oblique connecting rod 17 one end is welded and the middle spot welding of the other end and oblique connecting rod 17 with the inner of horizontal chord member 5.
Specifically, horizontal chord member 5 comprises the two pieces points of bars in left and right, every root divides bar by a large channel-section steel 13 as 32b channel-section steel and channel bar 14 such as a 25b channel-section steel are formed, channel bar 14 web is welded on large channel-section steel 13 web inner surface, two pieces points of bar openings of horizontal chord member 5 are towards relatively, that is, the opening of two points of bars toward each other.Inclined chord 6 is also made up of two same point of bars, every root divides bar to be as 32b channel-section steel and channel bar 14 such as a 25b channel-section steel are formed equally by large channel-section steel 13, channel bar 14 web is welded on large channel-section steel 13 web inner surface equally, but difference is that two pieces points of bar openings of inclined chord 6 are towards opposing, that is, the opening of two points of bars dorsad each other.Two points of bars of horizontal chord member 5 the inner are between two junction plates 15 of upper bracket 2; Two points of bars of horizontal chord member 5 outer end are between two points of bars of inclined chord 6 upper end; Two junction plates 15 of undersetting 3 are between two points of bars of inclined chord 6 lower end.
The horizontal chord member 5 of whole truss 1 is all contour, and the horizontal chord member of every root 5 is all shelved with interior sandbox 7 and outer sandbox 8, and interior sandbox 7 directly rests on horizontal chord member 5 and is provided with cushion block 9 between outer sandbox 8 and horizontal chord member 5; Interior sandbox 7 refers to that outer sandbox 8 refers to the sandbox away from bridge pier 4 near the sandbox of bridge pier 4.
The sandbox 7 of the whole horizontal chord member 5 on front side of being positioned at is shelved with a crossbeam 10, the outer sandbox 8 of the whole horizontal chord member 5 on front side of being positioned at is shelved with an outer crossbeam 11, the crossbeam 10 on front side of being positioned at and outer crossbeam 11 are shelved with many longerons 12.The sandbox 7 of the whole horizontal chord member 5 on rear side of being positioned at also is shelved with a crossbeam 10, the outer sandbox 8 of the whole horizontal chord member 5 on rear side of being positioned at also is shelved with an outer crossbeam 11, the crossbeam 10 on rear side of being positioned at and outer crossbeam 11 are shelved with many longerons 12.Template for building case beam original block 20 sets up the longeron 12 with rear side on front side of bridge pier 4.
Between every two Pin adjacent truss 1 of bridge pier 4 the same side, be welded with cross connect square steel 18.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, utilize the method for the original block of rack construction bridge box and beam of the present utility model, it comprises following construction sequence.
A, by horizontal chord member 5 outer end and inclined chord 6 upper end thereof with prefabricated truss 1, and the method for installing conventional prior art builds cushion cap 19, before building cushion cap 19, in the scope that cushion cap 19 covers, carries out cofferdam draining and basement process.
B, set up bridge pier 4 template and colligation bridge pier 4 reinforcing bar, water and smash bridge pier 4 concrete, and at the pre-buried upper bracket 2 in former and later two sides of bridge pier 4 and undersetting 3, pre-buried three upper brackets 2 in each side and three undersettings 3.
C, by the inner of the horizontal chord member 5 of each truss 1 and corresponding upper bracket 2 hinged, and by hinged with corresponding undersetting 3 for inclined chord 6 lower end of each truss 1.
D, on the horizontal chord member 5 of each truss 1, shelve an interior sandbox 7 and a cushion block 9, each cushion block 9 is shelved an outer sandbox 8.
In e, whole on front side of bridge pier 4, an interior crossbeam 10 shelved by sandbox 7, whole outer sandbox 8 on front side of bridge pier 4 is shelved an outer crossbeam 11, in whole on rear side of bridge pier 4, an interior crossbeam 10 shelved by sandbox 7, the whole outer sandbox 8 on rear side of bridge pier 4 is shelved an outer crossbeam 11.
F, on front side of bridge pier 4 in crossbeam 10 longeron 12 parallel with outer crossbeam 11 being shelved many, the longeron 12 that on rear side of bridge pier 4, crossbeam 10 is parallel with outer crossbeam 11 being shelved many.
G, on many longerons 12, set up the template of the original block 20 of case beam, and the reinforcing bar of colligation original block 20, water the concrete smashing original block 20.
H, after original block 20 concrete is stiff, the stopper of whole sandbox is pulled out and puts sand, make to occur gap between the template of longeron 12 and original block 20, be convenient to follow-up dismounting.To dismantle the template of original block 20, longeron 12, interior crossbeam 10, outer crossbeam 11 and whole sandboxes, whole truss 1 of finally dismantling.
Claims (4)
1. for supporting a support for the template of the original block of bridge box and beam, it is characterized in that: it comprises both sides before and after separation bridge pier (4) and along the symmetrical many truss structures (1) of bridge pier (4);
The corresponding upper bracket (2) of every truss structure (1) and a undersetting (3), upper bracket (2) and undersetting (3) are all anchored in bridge pier (4) concrete;
Every truss structure (1) comprises a horizontal chord member (5) and an inclined chord (6), the inner and the upper bracket (2) of horizontal chord member (5) are hinged, the outer end of horizontal chord member (5) and inclined chord (6) upper end thereof, inclined chord (6) lower end and undersetting (3) hinged;
The horizontal chord member (5) of whole truss (1) is all contour, the horizontal chord member of every root (5) is all shelved with interior sandbox (7) and outer sandbox (8), interior sandbox (7) directly rests horizontal chord member (5) and is above provided with cushion block (9) between outer sandbox (8) and horizontal chord member (5);
The sandbox (7) being positioned at the whole horizontal chord member (5) of the same side is shelved with a crossbeam (10), the outer sandbox (8) being positioned at the whole horizontal chord member (5) of the same side is shelved with an outer crossbeam (11), is positioned on the crossbeam (10) of the same side and outer crossbeam (11) and is shelved with many longerons (12); Template for building case beam original block (20) is set up in longeron (12).
2. the support of the template of the original block for supporting bridge box and beam according to claim 1, is characterized in that:
Horizontal chord member (5) comprises the two pieces points of bars in left and right, every root divides bar to be made up of a large channel-section steel (13) and a channel bar (14), channel bar (14) web is welded on large channel-section steel (13) web inner surface, and two pieces points of bar openings of horizontal chord member (5) are towards relatively; Inclined chord (6) is also made up of two same point of bars, but two pieces points of bar openings of inclined chord (6) are towards opposing;
Each bearing is made up of the parallel junction plate (15) that two pieces are anchored in bridge pier (4), and two points of bars of horizontal chord member (5) the inner are positioned between two junction plates (15) of upper bracket (2); Two points of bars of horizontal chord member (5) outer end are positioned between two points of bars of inclined chord (6) upper end; Two junction plates (15) of undersetting (3) are positioned between two points of bars of inclined chord (6) lower end.
3. the support of the template of the original block for supporting bridge box and beam according to claim 1, it is characterized in that: between the horizontal chord member (5) of every truss structure (1) and inclined chord (6), be provided with perpendicular connecting rod (16) and oblique connecting rod (17), perpendicular connecting rod (16) one end and the middle spot welding of horizontal chord member (5) and the middle spot welding of the other end and inclined chord (6), oblique connecting rod (17) one end is welded and the middle spot welding of the other end and oblique connecting rod (17) with the inner of horizontal chord member (5).
4. the support of the template of the original block for supporting bridge box and beam according to claim 1, is characterized in that: be welded with cross between the every two Pin adjacent truss (1) being positioned at bridge pier (4) the same side and connect square steel (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764965.8U CN204959617U (en) | 2015-09-30 | 2015-09-30 | A support for supporting template of initial piece of bridge case roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764965.8U CN204959617U (en) | 2015-09-30 | 2015-09-30 | A support for supporting template of initial piece of bridge case roof beam |
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| Publication Number | Publication Date |
|---|---|
| CN204959617U true CN204959617U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520764965.8U Active CN204959617U (en) | 2015-09-30 | 2015-09-30 | A support for supporting template of initial piece of bridge case roof beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN204959617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677070A (en) * | 2016-12-31 | 2017-05-17 | 中铁局集团有限公司 | Construction support and method for overhead large-span heavy-duty cross beam |
| CN107974937A (en) * | 2017-11-21 | 2018-05-01 | 中国建筑土木建设有限公司 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
-
2015
- 2015-09-30 CN CN201520764965.8U patent/CN204959617U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677070A (en) * | 2016-12-31 | 2017-05-17 | 中铁局集团有限公司 | Construction support and method for overhead large-span heavy-duty cross beam |
| CN106677070B (en) * | 2016-12-31 | 2019-01-04 | 中铁一局集团有限公司 | A kind of high-altitude long-span heavy duty construction of beam bracket and construction method |
| CN107974937A (en) * | 2017-11-21 | 2018-05-01 | 中国建筑土木建设有限公司 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
| CN107974937B (en) * | 2017-11-21 | 2019-10-08 | 中国建筑土木建设有限公司 | A kind of sealing off and covering anchorage construction method and beam-ends sealing off and covering anchorage template |
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