CN101793012A - Novel non-bracket bridge constructing method - Google Patents
Novel non-bracket bridge constructing method Download PDFInfo
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- CN101793012A CN101793012A CN 201010152381 CN201010152381A CN101793012A CN 101793012 A CN101793012 A CN 101793012A CN 201010152381 CN201010152381 CN 201010152381 CN 201010152381 A CN201010152381 A CN 201010152381A CN 101793012 A CN101793012 A CN 101793012A
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- reinforcing bar
- bracket
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Abstract
The invention discloses a novel non-bracket bridge constructing method, which comprises the following steps: a first step of constructing a bridge pier, paving a plurality of beam plates above the bridge pier along the width direction of a bridge deck, installing bridge pier base tyres and pouring concrete to cast into bridge pier bases, wherein the beam plates are in parallel with each other and are arranged vertically and screw rods pass through positioning holes on the beam plates to fix the beam plates; a second step of sequentially setting up a cement board, a plurality of cross bars and steel beams on the two adjacent bridge pier bases; a third step of paving bridge deck reinforced skeleton frames on the steel beams; and a fourth step of installing bridge deck concrete tyres and pouring concrete to cast into the bridge deck. The bridge deck of the invention adopts a steel beam and reinforced supporting rod structure, guarantees the strength of the bridge deck in the process of constructing the bridge and saves the using of the bracket. The bridge deck reinforced skeleton fames adopt a supporting mode of transverse and vertical supporting rods so as to further improve the strength of the bridge deck. The upper part of the bridge pier adopts a beam plate structure, thus, the supporting strength is greatly increased. As the bracket is not required, the bridge constructing period is greatly reduced, the cost is saved and the inconvenience of constructing the bridge in the cities or on the sea is overcome.
Description
Technical field
The present invention relates to the bridging field, particularly a kind of novel non-bracket bridge constructing method.
Background technology
Existing bridging method when building bridge floor, need be provided with support below bridge floor, to hold bridge floor, prevent that bridge floor from falling or be out of shape, treat that bridge deck concrete solidifies after, remove support; The shortcoming of this method is: increased the operation of bridge construction, the efficient of bridge construction reduced greatly, and if bridge erection in the city, then influence the traffic under the bridge; If at sea build bridge, then difficulty further increases.
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Summary of the invention
The objective of the invention is to, overcome the technical problem that needs support when building bridge in the prior art, a kind of novel non-bracket bridge constructing method is provided.
In order to achieve the above object, a kind of novel non-bracket bridge constructing method provided by the invention may further comprise the steps: the first step, construction bridge pier, lay some beam slabs in the bridge pier top along the bridge deck width direction; Described beam slab is parallel to each other, vertically places, and the locating hole that screw rod passes on the beam slab is fixed; Bridge pier base tire is installed, and placing of concrete is cast the bridge pier base; Second step, on two adjacent bridge pier bases, set up cement board, plurality of cross bars and girder steel successively; Described cross bar be arranged in parallel along the bridge deck width direction, and girder steel is provided with along the bridge floor length direction, and its length is consistent with every section bridge floor length; The 3rd goes on foot, lays the bridge floor cage of reinforcement on girder steel, the reinforcing bar of this bridge floor cage of reinforcement supports by cross support arm and perpendicular pole; The 4th step, installation bridge deck concrete tire, placing of concrete is cast bridge floor, unloads the cement base plate then and uses.
According to novel non-bracket bridge constructing method one optimal technical scheme provided by the invention be: the beam slab bottom in the described first step is provided with some cylinder cushion blocks; Described cushion block external surface is provided with the concrete groove.
According to novel non-bracket bridge constructing method one optimal technical scheme provided by the invention be: the screw rod outside in the described first step is arranged with and isolates with pipe.
According to novel non-bracket bridge constructing method one optimal technical scheme provided by the invention be: the both sides of girder steel are adopted and are strengthened strut fixation on cross bar in described second step.
According to novel non-bracket bridge constructing method one optimal technical scheme provided by the invention be: described the 3rd step comprises following substep: at first, and along the some cross support arms of bridge deck width direction parallel lay-up; Then, utilize reinforcing bar tire assembling bridge floor cage of reinforcement, described reinforcing bar tire is a wedge shape, and the inclined-plane is provided with some grooves, places reinforcing bar in the groove; During use, place reinforcing bar in the groove of a pair of wedge shape reinforcing bar tire, the perpendicular pole of installation also welds, and regulates width, and the longitudinal bar that utilizes loose card instrument slowly to tilt to weld makes it be in vertical plane, welds cross support arm then.。
According to novel non-bracket bridge constructing method one optimal technical scheme provided by the invention be: utilize loose card instrument to regulate the width of reinforcing bar; Described loose card instrument comprises a pair of tensioner L type curved boom, and described tensioner curved boom connects with threaded rod, and the arm end has groove; During use, reinforcing bar as in the groove, is regulated distance between the tensioner L type curved boom and then the distance of regulating reinforcing bar with threaded rod.
Beneficial technical effects of the present invention is: bridge floor adopts girder steel, reinforces the structure of pole, the intensity of bridge floor when having guaranteed bridge construction, the use of having omitted support; The bridge floor cage of reinforcement adopts the support of horizontal, vertical pole, further improves bridge floor intensity; Beam and slab structure is adopted in the bridge pier top, and support strength strengthens greatly; Owing to do not need support, significantly reduced the bridging cycle, save cost (steel); The inconvenience of overcome in the city, bridge is built at the sea.
[
Description of drawings]
Fig. 1 is that novel non-bracket bridge constructing method of the present invention is installed bridge pier base sidewall view.
Fig. 2 is that novel non-bracket bridge constructing method of the present invention is installed bridge pier base tire vertical view.
Fig. 3 is a novel non-bracket bridge constructing method assembling beam slab vertical view of the present invention.
Fig. 4 is a novel non-bracket bridge constructing method assembling beam slab lateral view of the present invention.
Fig. 5 is that novel non-bracket bridge constructing method of the present invention is built the bridge pier lateral view of finishing.
Fig. 6 is that novel non-bracket bridge constructing method of the present invention is built the bridge pier vertical view of finishing.
Fig. 7 is the lateral view of novel non-bracket bridge constructing method steel beam structure of the present invention.
Fig. 8 is the vertical view of novel non-bracket bridge constructing method steel beam structure of the present invention.
Fig. 9 is the part sectional drawing that novel non-bracket bridge constructing method of the present invention is laid bridge floor.
Figure 10 be among Fig. 9 C-C to sectional view.
Figure 11 is the simple and easy vertical view of novel non-bracket bridge constructing method assembling bridge floor cage of reinforcement of the present invention.
Figure 12 is the schematic diagram that novel non-bracket bridge constructing method of the present invention utilizes reinforcing bar tire assembling bridge floor cage of reinforcement reinforcing bar.
Figure 13 is the single reinforcing bar tire assembling of a novel non-bracket bridge constructing method of the present invention reinforcing bar schematic diagram.
Figure 14 is the single reinforcing bar tire of a novel non-bracket bridge constructing method of the present invention structural representation.
Figure 15 be among Figure 14 A-A to sectional view.
Figure 16 is the single reinforcing bar of a novel non-bracket bridge constructing method of the present invention sidewall view.
Figure 17 is the simple and easy vertical view that novel non-bracket bridge constructing method of the present invention is assembled the bridge floor cage of reinforcement of finishing.
Figure 18 is the structure chart of novel non-bracket bridge constructing method pine card instrument of the present invention.
Figure 19 is that novel non-bracket bridge constructing method of the present invention is built the bridge floor sectional view after finishing.
[
The specific embodiment]
The present invention is described in detail below in conjunction with drawings and Examples.
In the present embodiment, novel non-bracket bridge constructing method may further comprise the steps:
Please refer to Fig. 1 to Fig. 6, the first step: build bridge pier 1, lay 7 beam slabs 5 in bridge pier 1 top along the bridge deck width direction; Described beam slab 5 is parallel to each other, vertically places, and spacing is 200mm, the high 180mm of beam slab, long 12.5m, wide 18mm; Screw rod 6(M20) locating hole 8 that passes on the beam slab 7 is fixing; Bridge pier base tire 2(is installed to be suspended on the bridge pier by lifting hole(eyelet) 4), placing of concrete is cast bridge pier base 3, base 3 long 13m, high 230mm; Wherein, beam slab 7 bottoms are provided with some cylinder cushion blocks 9, and the diameter of section of cushion block 9 is 25mm, and height is 50mm; Described cushion block 9 external surfaces are provided with concrete groove 10, and this groove 10 is 2 to take advantage of 60 degree, is used for further adding the interlock dynamics of reinforced concrete and cushion block 9; Screw rod 6 outsides are arranged with and isolate with pipe 7; The certain angle if bridge floor need tilt, then the bridge pier base on the two adjacent bridge piers should have certain drop mutually, and wherein 24 is top wire holes.
Please refer to Fig. 7 to Figure 10, second step: on two adjacent bridge pier bases 3, set up cement board 20, plurality of cross bars 21 and girder steel 18 successively; Described cross bar 21 be arranged in parallel along the bridge deck width direction, and girder steel 18 is provided with along the bridge floor length direction, and its length is 45m, and is consistent with every section bridge floor length, highly is 180mm; The both sides of girder steel 18 adopt reinforcement pole 19 to be fixed on the cross bar 21; Assembly method: at first cement board 20 and cross bar 21 are fixed (welding with nut screwing clamping) again, secondly girder steel 18 is welded on the cross bar 21, will strengthen pole 19 at last and weld with screw.Every girder steel assembling concrete grammar: make 3 ~ 4 600 millimeters high supports and look for directly with the finer wire levelling, support is fixed on the cement base plate to be leaned against support and gets final product on one side, base plate also can become 2 ~ 3, the base plate spacing is bored two holes for about 1.5 meters, the key screw base plate is tightened on the cylinder, puts cross bar again every about 1.5 meters, and cross bar is placed on the cylinder and welds, base plate bottom surface several M16 nuts of burn-oning are later on taking out hammer dismounting base plate.The concrete grammar of removing base plate is: design a walking dolly, length is pressed base plate length and is decided.By a variable-frequency motor, drive the wire rope of two reel on the dolly, variable-frequency motor can remote-controlled operation, and the twisting push button guarantees safety of workers.Two wire rope of opposite side are fixed on the dolly, and two wire rope in centre position tighten with clamp at the bottom of the bridge.To the bridge both sides 4 fulcrums are set respectively above the dolly, a side is propped up and is pressed two pulleys, and four legs withstand on the bridge floor upper support with screw mandrel.Finish this and stride, again clamp is unclamped, stride two wire rope of chucking to another and work on again.
Please refer to Figure 11 to Figure 19, the 3rd step: lay the bridge floor cage of reinforcement on girder steel 18, the reinforcing bar 11 of this bridge floor cage of reinforcement supports by cross support arm 17 and perpendicular pole 14, and a perpendicular distance between tie rods is 2m; Concrete steps are as follows: at first, some cross support arm 17(whenever stride 4 along bridge deck width direction parallel lay-up), spacing is 15m; Then, utilize reinforcing bar tire 12 assembling bridge floor cage of reinforcement, described reinforcing bar tire 12 is a wedge shape, and the inclined-plane is provided with some grooves, places reinforcing bar 11 in the groove, but 12 times place mat i iron 16 of reinforcing bar tire; During use, place reinforcing bar 11 in the groove of a pair of wedge shape reinforcing bar tire 12, regulate width, slowly inclined wedge reinforcing bar tire 12 makes the reinforcing bar on it be in vertical plane, then the perpendicular pole 14 of welding; Wherein, utilize loose card instrument to regulate the width of reinforcing bar 11; Described loose card instrument comprises a pair of tensioner L type curved boom 23, and described tensioner curved boom 23 logical threaded rods 22 connect, and the arm end has groove 24; During use, reinforcing bar 11 as in the groove 24, is used the distance between the threaded rod 22 adjusting tensioner L type curved booms 23, and then the distance of regulating reinforcing bar 11.Wherein, the 25th, screw M12,26 cylindrical nuts.Attention: after perpendicular pole welds from top rebars 1 to 6, reach vertical requirement with the loose card instrument of chucking and weld nethermost reinforcing bar again, all weld extremely, otherwise just change motionless.
The 4th step: bridge deck concrete tire 15 is installed, and placing of concrete is cast bridge floor.
Adopt method of the present invention, 140,000 tons of 4 row's (how one road emergency stopping lane only) clean steel using amounts in road of 56 kilometers, 2.4 ten thousand tons of the high steel using amounts of bridge pier 40m.
Claims (6)
1. novel non-bracket bridge constructing method may further comprise the steps:
A. build bridge pier (1), lay some beam slabs (5) along the bridge deck width direction in bridge pier (1) top; Described beam slab (5) is parallel to each other, vertically places, and the locating hole (8) that screw rod (6) passes on the beam slab (7) is fixing; Bridge pier base tire (2) is installed, and placing of concrete is cast bridge pier base (3);
B. on two adjacent bridge pier bases (3), set up cement board (20), plurality of cross bars (21) and girder steel (18) successively; Described cross bar (21) be arranged in parallel along the bridge deck width direction, and girder steel (18) is provided with along the bridge floor length direction, and its length is consistent with every section bridge floor length;
C. lay the bridge floor cage of reinforcement on girder steel (18), the reinforcing bar of this bridge floor cage of reinforcement (11) supports by cross support arm (17) and perpendicular pole (14);
D., bridge deck concrete tire (15) is installed, and placing of concrete is cast bridge floor.
2. novel non-bracket bridge constructing method according to claim 1 is characterized in that, the beam slab in the described steps A (7) bottom is provided with some cylinder cushion blocks (9); Described cushion block (9) external surface is provided with concrete groove (10).
3. novel non-bracket bridge constructing method according to claim 1 is characterized in that, the screw rod in the described steps A (6) outside is arranged with and isolates with pipe (7).
4. novel non-bracket bridge constructing method according to claim 1 is characterized in that, the both sides of girder steel among the described step B (18) adopt reinforcement pole (19) to be fixed on the cross bar (21).
5. novel non-bracket bridge constructing method according to claim 1 is characterized in that, described step C comprises following substep:
C1. along the some cross support arms of bridge deck width direction parallel lay-up (17);
C2. utilize reinforcing bar tire (12) assembling bridge floor cage of reinforcement, described reinforcing bar tire (12) is a wedge shape, and the inclined-plane is provided with some grooves, places reinforcing bar (11) in the groove; During use, place reinforcing bar (11) in the groove of a pair of wedge shape reinforcing bar tire (12), the perpendicular pole (14) of installation also welds, and regulates width, and the longitudinal bar that utilizes loose card instrument slowly to tilt to weld makes it be in vertical plane, welds cross support arm then.
6. novel non-bracket bridge constructing method according to claim 1 is characterized in that, utilizes loose card instrument to regulate the width of reinforcing bar (11) among the described step C2; Described loose card instrument comprises a pair of tensioner L type curved boom (23), and described tensioner curved boom (23) connects with threaded rod (22), and the arm end has groove (24); During use, reinforcing bar (11) as in the groove (24), is used the distance between threaded rod (22) the adjusting tensioner L type curved boom (23), and then regulate the distance of reinforcing bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101523817A CN101793012B (en) | 2010-04-22 | 2010-04-22 | Novel non-bracket bridge constructing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101523817A CN101793012B (en) | 2010-04-22 | 2010-04-22 | Novel non-bracket bridge constructing method |
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| CN101793012A true CN101793012A (en) | 2010-08-04 |
| CN101793012B CN101793012B (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101523817A Expired - Fee Related CN101793012B (en) | 2010-04-22 | 2010-04-22 | Novel non-bracket bridge constructing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605716A (en) * | 2012-03-30 | 2012-07-25 | 毕承会 | Construction method of bay viaduct |
| CN103147403A (en) * | 2013-03-29 | 2013-06-12 | 中交一公局第四工程有限公司 | Roller die construction method for bridge high pier |
| CN103669210A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Truss-type hanging basket used for bridge |
| CN108103937A (en) * | 2017-11-24 | 2018-06-01 | 中国建筑第八工程局有限公司 | Utilize the cast-in-place box beam construction method of native loose tool substitution falsework |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007048491A1 (en) * | 2005-10-27 | 2007-05-03 | Freyssinet | Reinforced lattice structure and a reinforcing method |
| CN201330376Y (en) * | 2008-10-30 | 2009-10-21 | 中冶建工有限公司 | Construction-used movable unsupported bridging machine |
| CN101694087A (en) * | 2009-10-13 | 2010-04-14 | 毕承会 | Method for building novel bridge |
-
2010
- 2010-04-22 CN CN2010101523817A patent/CN101793012B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007048491A1 (en) * | 2005-10-27 | 2007-05-03 | Freyssinet | Reinforced lattice structure and a reinforcing method |
| CN201330376Y (en) * | 2008-10-30 | 2009-10-21 | 中冶建工有限公司 | Construction-used movable unsupported bridging machine |
| CN101694087A (en) * | 2009-10-13 | 2010-04-14 | 毕承会 | Method for building novel bridge |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605716A (en) * | 2012-03-30 | 2012-07-25 | 毕承会 | Construction method of bay viaduct |
| CN103669210A (en) * | 2012-09-02 | 2014-03-26 | 江苏雄宇重工科技股份有限公司 | Truss-type hanging basket used for bridge |
| CN103147403A (en) * | 2013-03-29 | 2013-06-12 | 中交一公局第四工程有限公司 | Roller die construction method for bridge high pier |
| CN103147403B (en) * | 2013-03-29 | 2015-11-25 | 中交一公局第四工程有限公司 | Roller die construction method for bridge high pier |
| CN108103937A (en) * | 2017-11-24 | 2018-06-01 | 中国建筑第八工程局有限公司 | Utilize the cast-in-place box beam construction method of native loose tool substitution falsework |
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| Publication number | Publication date |
|---|---|
| CN101793012B (en) | 2012-02-08 |
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Granted publication date: 20120208 Termination date: 20130422 |