CN104195937A - Cracking-preventing bridge structure - Google Patents
Cracking-preventing bridge structure Download PDFInfo
- Publication number
- CN104195937A CN104195937A CN201410411680.6A CN201410411680A CN104195937A CN 104195937 A CN104195937 A CN 104195937A CN 201410411680 A CN201410411680 A CN 201410411680A CN 104195937 A CN104195937 A CN 104195937A
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- steel cylinder
- concrete
- solid
- cracking
- water
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Abstract
The invention discloses a cracking-preventing bridge structure. The cracking-preventing bridge structure comprises a concrete bridge body and a steel cylinder arranged in the concrete bridge body. The steel cylinder is rectangular and hollow, the two ends of the steel cylinder are closed, the middle of the steel cylinder is a solid, the top of the solid is provided with a water inlet hole vertically extending downwards, the side face of the solid is provided with a water outlet hole which extends horizontally and is communicated with the water inlet hole and the hollow part of the steel cylinder at the same time, the upper end of the water inlet hole is provided with a thread blocking plug, and the hollow part of the steel cylinder is filled with water. The steel cylinder is filled with water, and due to the fact that the specific heat capacity of water is large, the difference between the temperature inside concrete and the temperature outside the concrete can be reduced very well, the temperature inside the concrete and the temperature outside the concrete is made to reach the balance state as much as possible, and the concrete is effectively prevented from cracking when the difference between the temperature inside concrete inside and the temperature outside the concrete is excessively large.
Description
Technical field
The present invention relates to building field, relate in particular to a kind of bridge construction.
Background technology
Existing bridge adopts concrete constructions to form more.
In the larger area of day and night temperature, will cause temperature difference between inside and outside concrete larger, after bridge long-play, the temperature difference that inside concrete is larger will cause concrete cracking.Because bridge is subject to the effect of irregular load for a long time, will constantly grow in concrete crack, affected greatly the safety of bridge.
Summary of the invention
Object of the present invention is to overcome the deficiencies in the prior art, and a kind of anti-cracking bridge construction is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of anti-cracking bridge construction, comprises concrete pontic and is arranged at the steel cylinder in concrete pontic; Steel cylinder is rectangle hollow steel cylinder, steel cylinder closed at both ends, the middle part of steel cylinder is solid, and the top of solid offers the inlet opening of extending vertically downward, the weep hole that the side opening of solid is provided with horizontal-extending and is communicated with the hollow parts of inlet opening and steel cylinder simultaneously; The upper end of inlet opening is provided with screw thread and stops up; The hollow parts of steel cylinder is filled with water.
In steel cylinder, add water, because specific heat of water appearance is larger, can be good at reducing concrete internal-external temperature difference, make concrete internal and external temperature reach as far as possible equilibrium state, thereby effectively prevent that concrete from ftractureing because internal-external temperature difference is excessive.
Solid is set, and inlet opening is opened on solid, thereby the load-bearing ability at increase inlet opening place prevents the problem that directly perforate causes steel cylinder supporting capacity to reduce on steel cylinder.
Further, the inside upper surface of described steel cylinder offers holding tank, and the height of the water surface is lower than holding tank.
After being heated, the volume of water can increase, thereby increases the interior pressure of steel cylinder, unfavorable to the structural stability of bridge.For this reason, offer holding tank, after the volume of water increases, water enters in holding tank, thereby anti-sealing pushes steel cylinder inwall.
Further, also comprise protective cover, protective cover is discoideus, is provided with multiple contiguous blocks on the periphery of protective cover; The top of described solid offers circular trough, and described inlet opening is from the bottom vertical of circular trough to downward-extension; Annular groove and protective cover adapt, and the surrounding of annular groove offers the opening that holds that holds contiguous block, contiguous block with hold opening and be welded to connect.
Protective cover is set, prevents that screw thread from stopping up damage, thereby avoid the water evaporation in steel cylinder or leak.
Further, the foursquare arc transition of described steel cylinder.
In sum, advantage of the present invention and beneficial effect are:
1. in steel cylinder, add water, because specific heat of water appearance is larger, can be good at reducing concrete internal-external temperature difference, make concrete internal and external temperature reach as far as possible equilibrium state, thereby effectively prevent that concrete from ftractureing because internal-external temperature difference is excessive;
2. solid is set, and inlet opening is opened on solid, thereby the load-bearing ability at increase inlet opening place prevents the problem that directly perforate causes steel cylinder supporting capacity to reduce on steel cylinder;
3. holding tank is set, and after water expanded by heating, anti-sealing pushes steel cylinder inwall, thereby maintains the structural stability of bridge;
4. protective cover is set, prevents that screw thread from stopping up damage, thereby avoid the water evaporation in steel cylinder or leak.
Brief description of the drawings
In order to be illustrated more clearly in embodiments of the invention, will be briefly described describing the required accompanying drawing of using in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiment that record in the present invention, for a person skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of steel cylinder;
Wherein, the component title that Reference numeral is corresponding is as follows:
1-concrete pontic, 2-steel cylinder, 3-solid, 4-inlet opening, 5-weep hole, 6-screw thread stops up, 7-water, 8-holding tank, 9-protective cover, 10-contiguous block, 11-annular groove, 12-holds opening.
Detailed description of the invention
In order to make those skilled in the art understand better the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out to clear, complete description.Apparent, embodiment described below is only the part in the embodiment of the present invention, instead of all.The embodiment recording based on the present invention, other all embodiment that those skilled in the art obtain in the situation that not paying creative work, all in the scope of protection of the invention.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of anti-cracking bridge construction, comprises concrete pontic 1 and is arranged at the steel cylinder 2 in concrete pontic 1; Steel cylinder 2 is rectangle hollow steel cylinder, steel cylinder 2 closed at both ends, the middle part of steel cylinder 2 is solid 3, and the top of solid 3 offers the inlet opening 4 of extending vertically downward, the weep hole 5 that the side opening of solid 3 is provided with horizontal-extending and is communicated with the hollow parts of inlet opening 4 and steel cylinder 2 simultaneously; The upper end of inlet opening 4 is provided with screw thread and stops up 6; The hollow parts of steel cylinder 2 is filled with water 7.
Installation process of the present invention is as follows:
, then utilize screw thread to stop up 6 pairs of inlet openings 4 and carry out shutoff to the interior injected water 7 of steel cylinder 2 by inlet opening 4, finally form concrete pontic 1 at steel cylinder 2 surrounding fluid concretes.
Embodiment 2:
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, and the inside upper surface of described steel cylinder 2 offers holding tank 8, and the height of the water surface is lower than holding tank 8.
Embodiment 3:
As shown in Figure 2, the present embodiment, on the basis of above-mentioned any one embodiment, also comprises protective cover 9, and protective cover 9 is discoideus, is provided with multiple contiguous blocks 10 on the periphery of protective cover 9; The top of described solid 3 offers circular trough 11, and described inlet opening 4 is from the bottom vertical of circular trough 11 to downward-extension; Annular groove 11 adapts with protective cover 9, the surrounding of annular groove 11 offer hold contiguous block 10 hold opening 12, contiguous block 10 with hold opening 12 and be welded to connect.
Embodiment 4:
As shown in Figure 1, the present embodiment on the basis of above-mentioned any one embodiment, the foursquare arc transition of described steel cylinder 2.
As mentioned above, just can realize preferably the present invention.
Claims (4)
1. an anti-cracking bridge construction, is characterized in that:
Comprise concrete pontic (1) and be arranged at the steel cylinder (2) in concrete pontic (1);
Steel cylinder (2) is rectangle hollow steel cylinder, steel cylinder (2) closed at both ends, the middle part of steel cylinder (2) is solid (3), the top of solid (3) offers the inlet opening (4) of extending vertically downward, the weep hole (5) that the side opening of solid (3) is provided with horizontal-extending and is communicated with the hollow parts of inlet opening (4) and steel cylinder (2) simultaneously;
The upper end of inlet opening (4) is provided with screw thread and stops up (6);
The hollow parts of steel cylinder (2) is filled with water (7).
2. the anti-cracking bridge construction of one according to claim 1, is characterized in that:
The inside upper surface of described steel cylinder (2) offers holding tank (8), and the height of the water surface is lower than holding tank (8).
3. the anti-cracking bridge construction of one according to claim 1, is characterized in that:
Also comprise protective cover (9), protective cover (9) is discoideus, is provided with multiple contiguous blocks (10) on the periphery of protective cover (9);
The top of described solid (3) offers circular trough (11), and described inlet opening (4) are from the bottom vertical of circular trough (11) to downward-extension;
Annular groove (11) and protective cover (9) adapt, the surrounding of annular groove (11) offer hold contiguous block (10) hold opening (12), contiguous block (10) with hold opening (12) and be welded to connect.
4. the anti-cracking bridge construction of one according to claim 1, is characterized in that:
The foursquare arc transition of described steel cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411680.6A CN104195937B (en) | 2014-08-21 | 2014-08-21 | A kind of crack resistence bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411680.6A CN104195937B (en) | 2014-08-21 | 2014-08-21 | A kind of crack resistence bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104195937A true CN104195937A (en) | 2014-12-10 |
| CN104195937B CN104195937B (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410411680.6A Expired - Fee Related CN104195937B (en) | 2014-08-21 | 2014-08-21 | A kind of crack resistence bridge construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN104195937B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486936A (en) * | 2016-06-13 | 2017-12-19 | 中铁十二局集团有限公司 | A kind of fast electric heating single hole prefabricated box -beam method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413251A (en) * | 2008-11-21 | 2009-04-22 | 中国葛洲坝集团股份有限公司 | 0 type block anti-cracking construction method of high pier large across creeping formwork |
| CN101586339A (en) * | 2009-06-09 | 2009-11-25 | 上海建工（集团）总公司 | Temperature controlled method for mass concrete |
| JP2011111849A (en) * | 2009-11-30 | 2011-06-09 | Ministry Of Land Infrastructure & Transport Hokkaido Regional Development Bureau | Method of constructing mass concrete structure |
| CN102747742A (en) * | 2012-07-24 | 2012-10-24 | 武汉大学 | Construction method for large-volume concrete structure of bridge loading platform |
| CN103643626A (en) * | 2013-12-17 | 2014-03-19 | 中南大学 | Method for controlling temperature stress cracks of curved ultrahigh bridge pier body |
-
2014
- 2014-08-21 CN CN201410411680.6A patent/CN104195937B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413251A (en) * | 2008-11-21 | 2009-04-22 | 中国葛洲坝集团股份有限公司 | 0 type block anti-cracking construction method of high pier large across creeping formwork |
| CN101586339A (en) * | 2009-06-09 | 2009-11-25 | 上海建工（集团）总公司 | Temperature controlled method for mass concrete |
| JP2011111849A (en) * | 2009-11-30 | 2011-06-09 | Ministry Of Land Infrastructure & Transport Hokkaido Regional Development Bureau | Method of constructing mass concrete structure |
| CN102747742A (en) * | 2012-07-24 | 2012-10-24 | 武汉大学 | Construction method for large-volume concrete structure of bridge loading platform |
| CN103643626A (en) * | 2013-12-17 | 2014-03-19 | 中南大学 | Method for controlling temperature stress cracks of curved ultrahigh bridge pier body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486936A (en) * | 2016-06-13 | 2017-12-19 | 中铁十二局集团有限公司 | A kind of fast electric heating single hole prefabricated box -beam method |
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| Publication number | Publication date |
|---|---|
| CN104195937B (en) | 2016-02-03 |
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Granted publication date: 20160203 Termination date: 20170821 |