CN203700973U - Special construction formwork for bridge integrated type cast-in-place anti-collision guardrail and hanging plate - Google Patents
Special construction formwork for bridge integrated type cast-in-place anti-collision guardrail and hanging plate Download PDFInfo
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- CN203700973U CN203700973U CN201420084733.3U CN201420084733U CN203700973U CN 203700973 U CN203700973 U CN 203700973U CN 201420084733 U CN201420084733 U CN 201420084733U CN 203700973 U CN203700973 U CN 203700973U
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Abstract
A special construction formwork for a bridge integrated type cast-in-place anti-collision guardrail and a hanging plate comprises an inner formwork, an outer formwork and a bottom formwork. The inner formwork is fixed on the edge plate surface of a bridge, the outer formwork is suspended on the outer side and connected with the inner formwork through a split bolt, one end of the bottom formwork is connected with the other end of the bottom of the outer formwork, and a vertical plate with the height adjustable abuts against the bottom surface of the bridge and is fixedly welded to a finished guardrail internal steel bar through a T-shaped hook. Deepened design is performed on the basis of the prior art, the vertical plate with the height adjustable is adopted to achieve flexible adjustment of the formwork, the T-shaped hook is utilized to achieve frameless reinforcing of the bottom of the formwork, preconditions are provided for final integrated effect forming of the anti-collision guardrail and the hanging plate, safety, reasonability and economy of the formwork are achieved, and engineering construction quality and safety are effectively guaranteed.
Description
Technical field
The utility model relates to Urban Bridge anticollision barrier construction field, particularly a kind of special construction formwork being applied in the cast-in-place anticollision barrier of bridge integral type and Slate hanging construction.
Background technology
Tradition anticollision barrier comprises the prefabricated concrete board in outside and the cast-in-place part of inner side, it makes complicated, cost is high, split working procedure is many, speed of application is slow, cladding panel and anticollision barrier irregular colour, the cast-in-place anticollision barrier of integral type and the link plate design form novelty that occur in the recent period, good looking appearance, can solve preferably traditional split working procedure many, speed of application is slow, between cladding panel and anticollision barrier irregular colour and structure, water causes polluting the problems such as cladding panel, further promote the globality of anticollision barrier and link plate, but in the cast-in-place anticollision barrier of integral type and the application and construction of link plate on bridge, also there are problems at present, the particularly safety of construction formwork and practicality problem, as because the cast-in-place anticollision barrier bridge floor of integral type is with link plate below, the load-bearing of bridge floor bottom template is larger, but prior art lacks fixed component, the destruction that if the size-constrained system of link plate exceedes limit value very easily causes bottom template, cause the generation of safety issue, in addition, in existing template, the size of soffit formwork is fixed, and the thickness that need to rely on bridge wing plate is determined the vertical extension of link plate inner side, if in uneven thickness, the bottom line style of bridge wing plate have some setbacks or alignment error causes bottom surface height to differ, link plate bottom line style can not ensure smooth.For this reason, need at present a kind of special construction formwork and matching operation method that is applied to the cast-in-place anticollision barrier of bridge integral type and link plate badly, solve deficiency of the prior art.
Utility model content
The utility model object is to provide the cast-in-place anticollision barrier of a kind of bridge integral type and the special construction formwork of link plate, if solve the size of existing integrated template fix, need to rely on the thickness of bridge wing plate determines that in uneven thickness, the bottom line style of the vertical extension bridge wing plate of link plate inner side have some setbacks or alignment error cause bottom surface height not first link plate bottom line style can not ensure smooth problem; If also solving the size-constrained system that lacks special fixed component, link plate template inner side compared with large prior art due to the load-bearing of the cast-in-place anticollision barrier band of integral type link plate, bridge floor bottom template exceedes destruction that limit value very easily causes bottom template, causes the poor problem of formwork safety; Also solve the problem that existing form stable is poor, application life is short simultaneously.
For solving above-mentioned technical purpose, the utility model by the following technical solutions:
A kind of cast-in-place anticollision barrier of bridge integral type and the special construction formwork of link plate, template is provided with baffle plate along the extension of bridge direction, two, comprise exterior sheathing, inner formword and soffit formwork, described inner formword is fixed on by support system on the plate face at bridge wing plate edge, described exterior sheathing is suspended from the outside of bridge wing plate, longer than inner formword, bottom is positioned at below bridge floor, and be connected by split bolt between inner formword, one end of described soffit formwork connects the bottom of exterior sheathing, the other end props up the bottom surface of bridge wing plate, it is characterized in that: described soffit formwork comprises transverse slat and riser; On described riser, be useful on the reserved slotted hole of bolt that regulates riser height; The afterbody of the described transverse slat formation swash plate that is upturned, and end thickness of slab gradually thin type becomes vertical connection small pieces, except connecting small pieces part, the back of the other parts of transverse slat is all with floor, connect the inner surface of small pieces and the smooth interior surfaces transition of riser laminating, and by being connected with riser is adjustable through the fastening bolt of the reserved slotted hole of bolt, form the integral structure of crash barrier template and link plate template; The top of described riser props up the bottom surface of bridge wing plate; Described transverse slat is connected and fixed by vertical T shape hook with the inner reinforcing bar of the guardrail of having arranged.
As optimal technical scheme of the present utility model, described T shape hook is formed by horizontal bar and vertical muscle welding, and vertical muscle is bolted with it through after the floor through transverse slat back, and described horizontal bar firmly welds with the inner reinforcing bar of the guardrail of having arranged.
As further optimal technical scheme, described T shape hook arranges at interval of 80～120cm in bridge direction.
As further optimal technical scheme, described set bolt arranges at interval of 20～40cm in bridge direction.
As further optimal technical scheme, the height of described riser is 12～18cm, and the height of described connection small pieces is 4～6cm.
Compared with prior art, technical advantage of the present utility model is:
At bridge floor thickness or absolute altitude inaccurate in the situation that, ensure line style and the side dimension of guardrail bottom by height-adjustable riser, if solved while utilizing template contral link plate in prior art, due to the size of soffit formwork fix, need to rely on the construction precision of bridge wing plate determine that in uneven thickness, the bottom line style of the bottom line style bridge wing plate of link plate have some setbacks or alignment error cause bottom surface height not first link plate bottom line style can not ensure smooth problem;
T shape that soffit formwork is made by reinforcing bar hook is connected and fixed with the inner reinforcing bar of the guardrail of having arranged, solved bottom bearing form without support fixation problem, long service life, sound construction, safety is good;
The utility model stencil design is flexible, make simple, draw materials conveniently, good stability good stability is in ensureing template quality, control cost, rely on grade separation bridge engineering, carry out the development and application of anticollision barrier and link plate integral type cast-in-place construction template, can realize preferably design idea, realize the flexible modulation of template by adopting adjustable for height riser, utilize T shape to link up with the bottom of realizing template without Deepen Designs such as support reinforcings, for the integraty effect moulding of final anticollision barrier and link plate provides precondition, ensure the safety of template, reasonability and economy, construction quality and the safety of engineering are effectively guaranteed, to play exemplary role energetically to the construction of similar engineering.
Brief description of the drawings
Fig. 1 is the structural representation of the cast-in-place anticollision barrier of the utility model bridge integral type and the special construction formwork of link plate;
Fig. 2 is transverse slat 31 and riser 32 syndeton schematic diagrames in the soffit formwork 3 that relates to of the utility model;
Fig. 3 is the structural representation that connects the lateral view of small pieces in Fig. 2;
Fig. 4 is the structural representation of the lateral view of the riser 32 in Fig. 2.
Reference numeral: 1-exterior sheathing, 2-inner formword, 3-soffit formwork, 31-transverse slat, 32-riser, 4-T shape hook, 41-horizontal bar, the vertical muscle of 42-, 5-split bolt, 6-earth anchor, 7-bridge wing plate, 8-horizontal brace, 9-diagonal brace, 10-fastening bolt, the reserved slotted hole of 11-bolt, 12-tow, the inner reinforcing bar of 13-guardrail.
Detailed description of the invention
The present embodiment is overpass bridge anticollision barrier and link plate global design, the high 1.013m of anticollision barrier, wide 0.3m suitable for reading, the wide 0.678m of end opening, the high 0.53m of link plate below bridge wing plate plate face, wide 0.2m, overall length 8211 linear meter(lin.m.)s.By reference to the accompanying drawings 1～4, as shown in the figure, a kind of cast-in-place anticollision barrier of bridge integral type and the special construction formwork of link plate, comprise the exterior sheathing 1, inner formword 2 and the soffit formwork 3 that extend along bridge floor direction, described inner formword 2 is located on the plate face of bridge wing plate 7, fixed by support system, support system comprises horizontal brace 8 and the diagonal brace 9 fixed by earth anchor 6, and earth anchor 6 is Φ 25 reinforcing bars pre-buried at interval of 2m, described exterior sheathing 1 is suspended at the outside of bridge wing plate 7, longer than inner formword 2, bottom is positioned at below bridge floor, and be connected by split bolt 5 between inner formword 1, one end of soffit formwork 3 connects the bottom of exterior sheathing 1, the other end props up the bottom surface of bridge wing plate 7, it is characterized in that: described soffit formwork comprises the transverse slat 31 and the riser 32 that are linked to be successively chamfering shape, on described riser 32, have the reserved slotted hole 11 of bolt for regulating riser height, the width of described transverse slat 31 is determined by the width of the following guardrail expection of bridge floor, its one end connects the bottom of exterior sheathing, opposite side gos deep into the bottom of bridge wing plate, its afterbody upwarps and forms vertical connection small pieces 32, connect the inner surface of small pieces and the smooth interior surfaces transition of riser laminating, described connection small pieces 32 are connected by the fastening bolt 10 of reserving slotted hole 11 through bolt with riser 32, in addition, between described transverse slat 31 and riser 32, also can there is swash plate, reduce the overall volume of guardrail, not only save material, also reduce the weight of the following guardrail of bridge floor, then upwarp and form vertical connection small pieces 32 at the afterbody of swash plate, described transverse slat 31, swash plate be connected the steel plate that small pieces 32 are one, the top of described riser 32 props up the bottom surface of bridge wing plate 7, the bottom surface of described soffit formwork 3 is connected and fixed by vertical T shape hook 4 with the inner reinforcing bar 13 of the guardrail of having arranged.Described T shape hook is welded and is formed by horizontal bar 41 and vertical muscle 42, vertical muscle 42 passes the transverse slat 31 of soffit formwork and is bolted with it, described horizontal bar 41 firmly welds with the inner reinforcing bar 13 of the guardrail of having arranged, T shape hook arranges at interval of 100cm in bridge direction.Described connection small pieces 32 are wedged plate, and its vertical plane and riser 32 fit tightly.On described connection small pieces 32, at interval of 20～40cm, a set bolt 10 is set in bridge direction, on the correspondence position on riser 32, offers the reserved slotted hole 11 of bolt.The height of described riser 32 is 12～18cm, and the reserved width of slotted hole 11 of bolt and the diameter of fastening bolt 10 adapt, and length is 7～8cm.
The construction method of the cast-in-place anticollision barrier of above-mentioned bridge integral type and the special construction formwork of link plate is as follows:
The preparation of step 1, basic material and transport: template basic material comprise each template standard sheet, the reinforcing bar welding of steel T shape hook 4, soffit formwork transverse slat 31, riser 32 and set bolt 10 etc. and be transported to job site, described template standard sheet is the composition substrate of exterior sheathing 1 and inner formword 2, is formed by design drawing respective production by factory;
The processing of step 2, form surfacing: the rust cleaning of first panel being polished before template use, after processing totally, cook interleaving agent at the even brushing vegetable oil of panel surface, select sponge strip to do caulking joint material simultaneously;
The setting of step 3, deformation joint: every 4m arranges deformation joint one along bridge direction, adopts bituminous wood filament plate, and both sides are fixed with Φ 16 reinforcing bar diebacks, reinforcing bar and inner reinforcing bar 13 firm welding of the guardrail of having arranged;
The assembling of step 4, inner formword 2: at the construction field (site) the template standard sheet of prefabricated inner formword is assembled into inner formword 2;
The lifting of step 5, inner formword 2: adopt special tool by inner formword hoisted in position;
The setting of step 6, inner formword support system: apart from 1.5m place inside guardrail at interval of pre-buried Φ 25 reinforcing bars of 2m as earth anchor 6, earth anchor 6 is in along bridge to placing the 10cm*10cm lumps of wood, horizontal brace 8 and diagonal brace 9 all adopt shelf pipe to coordinate jackscrew setting, one end withstands on the lumps of wood, and other end horizontal brace 8 withstands on the lower edge cross rib of inner formword 2, diagonal brace 9 withstands on the upper limb cross rib of inner formword 2;
Step 7, arrange and tow 12: establish at the upper limb of inner formword 2 8cm*8cm steel plate that 8mm is thick welded together with the perpendicular rib of template, establish Φ 25mm circular hole in the middle of steel plate, the employing 12 use turnbuckles of towing connect together earth anchor 6 and inner formword 2 upper steel plates;
The assembling of step 8, exterior sheathing 1 and soffit formwork 3: assemble respectively exterior sheathing 1 and soffit formwork 3, by with bolts the fitting together of transverse slat 31 of the bottom of exterior sheathing 1 and soffit formwork 3, the riser 32 of soffit formwork 3 wouldn't be assembled;
Step 9, exterior sheathing 1 and soffit formwork 3 combine lifting: use special hoisting facility by the assembly hoisted in position of exterior sheathing 1 and soffit formwork 3, lifting rope keeps tight state;
Step 10, exterior sheathing 1 are fixedly connected with inner formword 2: after the assembly hoisted in position of exterior sheathing 1 and soffit formwork 3, at once inner formword 2 and exterior sheathing 1 are contacted fixing by split bolt 5, split bolt arranges upper and lower twice, and PVC sleeve pipe is established in concrete inner side, to facilitate bolt to extract smoothly;
The reinforcement measure of step 11, soffit formwork 3: adopt 4 pairs of soffit formworks 3 of T shape hook of reinforcing bar processing to reinforce, the horizontal bar 41 of T shape hook 4 welds with the inner reinforcing bar 13 of the guardrail of having arranged, vertical muscle 41 passes from the transverse slat 31 of soffit formwork 3, screw thread is arranged at its bottom, utilize the nut of transverse slat floor bottom tentatively to reinforce, after having reinforced, cancel lifting rope;
Step 12, the riser 32 of soffit formwork is installed: the transverse slat of soffit formwork 3 31 upwarped to form connect platelet 32, by riser 32 be connected platelet 32 and carry out adjustable connection by bolt;
The adjustment of step 13, riser 32 height: the height of adjusting transverse slat bottom surface, for adjusting planeness and the height of soffit formwork, bridge floor is met the demands with size and the line style of lower bolster, make the top of riser 32 tightly prop up the bottom surface of bridge wing plate simultaneously, after to be adjusted completing, tighten respective nut T shape hook 4 and riser 32 are fixed, template is shaped;
Step 14: the shutoff at template two: plugging plate adopts 8mm steel plate to make, profile is consistent with anticollision barrier cross-sectional profile, size is than large 20 cm of anticollision barrier cross section, on it, press the connecting bolt hole perforate of anticollision barrier inner formword, exterior sheathing and soffit formwork side, use bolt and guardrail template reinforcement by connection;
The quality inspection of step 15, template: template is carried out to overall quality inspection, and formwork erection completes.
As the preferred version of constructure scheme, in described step 12, the preparation method that connects small pieces is that the afterbody of transverse slat is upwarped and forms or the afterbody of transverse slat is bent to form to a swash plate, upwarp and form vertical connection platelet at the afterbody of swash plate, the setting of swash plate makes guardrail in ensureing guardrail quality, reduce the overall volume of guardrail, not only save material, and greatly reduced the weight of the following guardrail of bridge floor.Be polished into wedge shape by connecting small pieces with treating the one side that joints cement contacts, template closely connected seamless, avoid the generation of spillage phenomenon.
Claims (5)
1. the cast-in-place anticollision barrier of bridge integral type and the special construction formwork of link plate, template is extended along bridge direction, two is provided with baffle plate, comprise exterior sheathing (1), inner formword (2) and soffit formwork (3), described inner formword (2) is fixed on by support system on the plate face at bridge wing plate (7) edge, described exterior sheathing (1) is suspended from the outside of bridge wing plate (7), longer than inner formword (2), bottom is positioned at below bridge floor, and be connected by split bolt (5) between inner formword (2), one end of described soffit formwork (3) connects the bottom of exterior sheathing (1), the other end props up the bottom surface of bridge wing plate (7), it is characterized in that: described soffit formwork (3) comprises transverse slat (31) and riser (32), on described riser (32), be useful on the reserved slotted hole (11) of bolt that regulates riser height, the afterbody of described transverse slat (31) the formation swash plate that is upturned, and end thickness of slab gradually thin type becomes vertical connection small pieces, except connecting small pieces part, the back of the other parts of transverse slat is all with floor, connect the inner surface of small pieces and the smooth interior surfaces transition of riser (32) laminating, and by fastening bolt (10) and adjustable connection of riser (32) through the reserved slotted hole (11) of bolt, form the integral structure of crash barrier template and link plate template, the top of described riser (32) props up the bottom surface of bridge wing plate (7), described transverse slat (31) is connected and fixed by vertical T shape hook (4) with the inner reinforcing bar of the guardrail of having arranged (13).
2. the cast-in-place anticollision barrier of bridge integral type according to claim 1 and the special construction formwork of link plate, it is characterized in that: described T shape hook is formed by horizontal bar (41) and vertical muscle (42) welding, vertical muscle (42) passes the floor of transverse slat (31) and carries out bolt in the bottom of floor and fix, and described horizontal bar (41) firmly welds with the inner reinforcing bar of the guardrail of having arranged (13).
3. the cast-in-place anticollision barrier of bridge integral type according to claim 2 and the special construction formwork of link plate, is characterized in that: described T shape hook arranges at interval of 80～120cm in bridge direction.
4. the cast-in-place anticollision barrier of bridge integral type according to claim 3 and the special construction formwork of link plate, is characterized in that: described set bolt (10) arranges at interval of 20～40cm in bridge direction.
5. the cast-in-place anticollision barrier of bridge integral type according to claim 4 and the special construction formwork of link plate, is characterized in that: the height of described riser (32) is 12～18cm, the height of described connection small pieces is 4～6cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084733.3U CN203700973U (en) | 2014-02-27 | 2014-02-27 | Special construction formwork for bridge integrated type cast-in-place anti-collision guardrail and hanging plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084733.3U CN203700973U (en) | 2014-02-27 | 2014-02-27 | Special construction formwork for bridge integrated type cast-in-place anti-collision guardrail and hanging plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700973U true CN203700973U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084733.3U Withdrawn - After Issue CN203700973U (en) | 2014-02-27 | 2014-02-27 | Special construction formwork for bridge integrated type cast-in-place anti-collision guardrail and hanging plate |
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| Country | Link |
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| CN (1) | CN203700973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911951A (en) * | 2014-02-27 | 2014-07-09 | 北京城建道桥建设集团有限公司 | Special formwork for bridge integrated cast-in-situ anti-collision barrier and hanging plate and construction method thereof |
| CN109914239A (en) * | 2019-03-27 | 2019-06-21 | 中国一冶集团有限公司 | Bridge cast-in-place concrete anticollision barrier constructing device and its method |
-
2014
- 2014-02-27 CN CN201420084733.3U patent/CN203700973U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911951A (en) * | 2014-02-27 | 2014-07-09 | 北京城建道桥建设集团有限公司 | Special formwork for bridge integrated cast-in-situ anti-collision barrier and hanging plate and construction method thereof |
| CN103911951B (en) * | 2014-02-27 | 2015-08-26 | 北京城建道桥建设集团有限公司 | The cast-in-place anticollision barrier of bridge integral type and link plate dedicated templates and construction method thereof |
| CN109914239A (en) * | 2019-03-27 | 2019-06-21 | 中国一冶集团有限公司 | Bridge cast-in-place concrete anticollision barrier constructing device and its method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |