CN103194961A - Bridge pier column under high-concentration salt solution corrosion environment - Google Patents
Bridge pier column under high-concentration salt solution corrosion environment Download PDFInfo
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- CN103194961A CN103194961A CN2013101028118A CN201310102811A CN103194961A CN 103194961 A CN103194961 A CN 103194961A CN 2013101028118 A CN2013101028118 A CN 2013101028118A CN 201310102811 A CN201310102811 A CN 201310102811A CN 103194961 A CN103194961 A CN 103194961A
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- column
- pier column
- shoe
- bridge pier
- salt solution
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- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 title claims abstract description 21
- 239000012266 salt solution Substances 0.000 title claims abstract 9
- 150000003839 salts Chemical class 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 9
- 229920002396 Polyurea Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
本发明公开了一种高浓度盐溶液腐蚀环境下的桥梁墩柱，包括设置在承台上的墩柱本体，墩柱本体外围由承台顶面至盐池最高水位以上的范围内设置有柱靴；柱靴与墩柱本体具有间隔且间隔内灌注有密封膏；柱靴顶部设置有固定在墩柱本体上的防雨罩，防雨罩具有内缘高外缘低的坡面，且其外径大于柱靴的外径。本发明以柱靴、防雨罩做为墩柱的防腐蚀保护构件，隔离高浓度盐溶液腐蚀墩柱，防止破坏主体结构，确保主体结构安全，延长桥梁墩柱的使用寿命，减小其后期维护难度；柱靴为混凝土结构，施工方便，后期维护工作量小，工程综合造价低；柱靴不参与结构受力，降低桥梁墩柱抗震塑性铰设计难度，特别是在地震作用破坏后，容易修复。
The invention discloses a bridge pier column in a high-concentration salt solution corrosion environment, which includes a pier column body arranged on a bearing platform, and a column shoe is arranged on the periphery of the pier column body from the top surface of the bearing platform to the highest water level of the salt pool There is a gap between the column shoe and the pier column body, and the gap is filled with sealing paste; the top of the column shoe is provided with a rain cover fixed on the pier column body, and the rain cover has a slope surface with a high inner edge and a lower outer edge, and its outer The diameter is greater than the outer diameter of the column shoe. The invention uses the column boots and the rain cover as the anti-corrosion protection components of the pier column, isolates the high-concentration salt solution from corroding the pier column, prevents damage to the main structure, ensures the safety of the main structure, prolongs the service life of the bridge pier column, and reduces its later period. Difficulty in maintenance; the column shoe is a concrete structure, which is convenient for construction, the maintenance workload in the later stage is small, and the overall cost of the project is low; the column shoe does not participate in the structural force, which reduces the difficulty of designing the seismic plastic hinge of the bridge pier column, especially after the earthquake damages, it is easy repair.
Description
Technical field
The present invention relates to a kind of bridge construction, specifically, relate to a kind of bridge pier column anti-corrosion structure.
Background technology
" highway engineering concrete structure anticorrosion technique standard (JTG/T B07-01-2006) " stipulates that clearly " the anticorrosion durability of highway concrete structure should design according to the different designs base period of structure, different environment for use classification and function grade thereof.The residing local environment of different parts in the different component in the same structure and same member has the different time, should give and treats with a certain discrimination.The etch-proof durability Design of concrete structure should guarantee the applicability of structure in its long-term service life, the needs of recoverability and safety, the maintenance that must propose in the use requires with detecting "; simultaneously " highway bridge and culvert design general specification " to propose the basic design principle of bridge be " advanced technology, safe and reliable, be suitable for durable, economical rationality ", so the durable anticorrosion design of highway bridge member is must obligato one to design link.
Standard is according to the different design reference period of bridge member, environment for use classification and environmental activity grade, etch-proof durability Design to bridge member has proposed concrete regulation requirement, standard can take additional anticorrosive measure to carry out durability Design at being subjected to environment seriously to act on the member position of (D, E and F level) in the important engineering simultaneously.
The concrete-bridge pier stud corrosion situation that is under the high salt concentration solution corrosion environment is extremely serious, therefore this concrete-bridge pier stud durability Design has been proposed challenge.The pier stud corrosiveness grade of high salt concentration solution corrosion ambient conditions is higher, is generally the F level.According to " highway engineering concrete structure anticorrosion technique standard JTG/T B07-01-2006 " requirement, for being subjected to environment seriously to act on the structure position of (D, E and F level) in the important engineering, except the essential structure of satisfying standard requires and materials ' durability requires, also need take necessary additional anticorrosive measure.
Bridge pier column is positioned at the fluctuation of water table district, and the corrosion that suffers mainly is near high salt concentration crystal corrosion, freeze thawing and the carbonization the face of land.The additional anticorrosive measure of bridge pier column routine has the antiseptic concrete surface layer, outer Baogang casing etc., but the antiseptic concrete surface layer is lower than 20 years general service life, and outer Baogang casing steel using amount is big, therefore the additional anticorrosive measure cost of this kind is higher, and the later maintenance workload is big.
Summary of the invention
The present invention will solve is bridge pier column life requirement technical problems of high under the high salt concentration solution corrosion environment, and a kind of bridge pier column is provided, and can improve structure durability, reduces the later maintenance difficulty, easy construction, and construction costs is low.
In order to solve the problems of the technologies described above, the present invention is achieved by following technical scheme:
Bridge pier column under a kind of high salt concentration solution corrosion environment comprises the pier stud body that is arranged on the cushion cap, and described pier stud body periphery is provided with the post boots by described cushion cap end face to the scope more than the peak level of salt pond; Described post boots and described pier stud body have at interval and at interval in be perfused with sealing compound; Described post boots top is provided with the rain cover that is fixed on the described pier stud body, and described rain cover has low domatic of the high outer rim of inner edge, and its external diameter is greater than the external diameter of described post boots.
Described post boots external surface is coated with anti-corrosion material.
Described anti-corrosion material is silicon rubber emulsion, polyurea elastomer or fluorocarbon resin coating.
The wall thickness of described post boots is 20cm～35cm.
Described post boots end face is positioned at the above 1m～1.5m of salt pond peak level.
The clear distance of described post boots and described pier stud body is 1cm～5cm.
The invention has the beneficial effects as follows:
(1) the present invention isolates high salt concentration solution corrosion pier stud with post boots, the rain cover anti-corrosion protection member as pier stud, prevents from destroying agent structure, guarantees agent structure safety, prolongs the application life of bridge pier column, reduces its later stage maintenance difficulties;
(2) post boots of the present invention are concrete structure, easy construction, and the later maintenance workload is little, and the engineering comprehensive cost is low;
(3) post boots of the present invention can be controlled its anticorrosion time limit by the design of thickness, can either reach the effect of permanent protection in the application life of bridge pier column, the material that avoids waste again, anticorrosion ability reliability height;
(4) post boots of the present invention and pier stud are the separate type member, and participation structure is not stressed, reduce bridge pier column antidetonation plastic hinge design difficulty, particularly after geological process is destroyed, repair easily.
Description of drawings
Fig. 1 is the structural representation of bridge pier column provided by the present invention;
Fig. 2 is the profile of pier stud;
Fig. 3 is the profile of post boots.
Among the figure: 1: the pier stud body; 2: the post boots; 3: cushion cap; 4: pile foundation; 5: rain cover; 6: sealing compound.
The specific embodiment
The present invention is described in further detail below by specific embodiment, and following examples can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.
As shown in Figure 1 to Figure 3, present embodiment discloses the bridge pier column under a kind of high salt concentration solution corrosion environment, comprises the pier stud body 1 that is arranged on the cushion cap 3, and pier stud body 1 pier stud routinely carries out force analysis and sectional reinforcement.Pier stud body 1 bottom is positioned at fluctuation of water table district, salt pond, this position is owing to contact with atmosphere, and alternation of wetting and drying, the saline solution repeated crystallization, corrosion situation for structure is the most serious, therefore in above 1m～1.5m scope post boots 2 is set to the salt pond peak level by cushion cap 3 end faces in the periphery of pier stud body 1 bottom.Post boots 2 are the reinforced concrete structure of tubular, by constructing configuration reinforcement, build simultaneously with pier stud body 1, make post boots 2 and cushion cap 3 seams closely knit, guarantee pouring quality, improve protection effect, and the post boots 2 of monobloc cast are convenient to later stage inspection maintenance simultaneously.
Clear distance between post boots 2 and pier stud body 1 external surface is 2cm, and is perfused with HM99 sealing compound 6 in post boots 2, and sealing compound 6 can prevent effectively that corrosive medium from entering in the space between pier stud body 1 and the post boots 2, prevents that pier stud body 1 is corroded.
Generally, the clear distance of post boots 2 and pier stud body 1 is in 1cm～5cm scope, and the pier stud body 1 stressed post boots 2 that are not subjected to of bridge influence, and pier stud body 1 anti-seismic construction requires design routinely.Post boots 2 wall thickness in 20cm～35cm scope, its concrete quantity is by the control of the anticorrosion time limit of design.
On the basis of above measure; further to being exposed to salt pond water and being subjected to post boots 2 external surfaces of salt pond water alternation of wetting and drying effect to carry out the outer processing that is coated with anti-corrosion material; to resist the abominable corrosive environment in saltern; prolong the post boots 2 protection time limits; reduce later stage engineering maintenance work amount, the agent structure external surface of pier stud body 1 adopts the protection of silane impregnation process simultaneously.Anti-corrosion material can be selected silicon rubber emulsion, polyurea elastomer, fluorocarbon resin coating etc. for use, and every have good alkali resistance, tack and corrosion proof anti-corrosion material and all can be used for the present invention.
The above-mentioned bridge substructure of high salt concentration solution corrosion that prevents is implemented by the Integratively casting method, i.e. simultaneously colligation pier stud body 1 cage of reinforcement and post boots 2 cage of reinforcement, the hard plastic plate is set as the template between pier stud body 1 and the post boots 2 between two cage of reinforcement, post boots 2 cage of reinforcement arrange exterior sheathing outward.Build the concrete of pier stud body 1 and post boots 2 simultaneously, treat concrete curing after, perfusion sealing compound 6 is installed rain cover 5 again, easy construction, quality is good.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, these all belong within protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101028118A CN103194961A (en) | 2013-03-27 | 2013-03-27 | Bridge pier column under high-concentration salt solution corrosion environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101028118A CN103194961A (en) | 2013-03-27 | 2013-03-27 | Bridge pier column under high-concentration salt solution corrosion environment |
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| CN103194961A true CN103194961A (en) | 2013-07-10 |
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| CN2013101028118A Pending CN103194961A (en) | 2013-03-27 | 2013-03-27 | Bridge pier column under high-concentration salt solution corrosion environment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040663A (en) * | 2015-07-02 | 2015-11-11 | 济南轨道交通集团有限公司 | Method for guaranteeing durability of concrete members in marine wave splashing area and water level changing area |
| CN105350558A (en) * | 2015-11-13 | 2016-02-24 | 中交天津港湾工程研究院有限公司 | Method for wrapping concrete caisson with abrasion resisting metal materials |
| CN112523075A (en) * | 2020-12-04 | 2021-03-19 | 沈阳建筑大学 | A shock-isolating bearing with anti-corrosion performance |
| CN113136813A (en) * | 2021-04-24 | 2021-07-20 | 福建榕鸿建设有限公司 | Pier reinforced structure |
| CN114169048A (en) * | 2021-11-24 | 2022-03-11 | 汇通建设集团股份有限公司 | Durability design method for reinforced concrete bridge in high-concentration saline-alkali environment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007025555A1 (en) * | 2005-08-30 | 2007-03-08 | Icec Holding Ag | Method for vertically extruding a concrete element, device for producing a concrete element and devices produced by this method |
| CN101109087A (en) * | 2007-08-22 | 2008-01-23 | 青岛双瑞防腐防污工程有限公司 | Anodic sacrifice protection method of steel reinforced concrete bridge pier |
| CN201221048Y (en) * | 2008-06-20 | 2009-04-15 | 上海浦江缆索股份有限公司 | Rubber rainproof case for stayed cable |
| CN101725183A (en) * | 2008-11-03 | 2010-06-09 | 同济大学 | Anti-corrosion pipe for concrete pier column under severe environment |
| CN101748809A (en) * | 2008-12-22 | 2010-06-23 | 同济大学 | Pre-installed corrosion-resistant sleeve for concrete structure |
| CN202416177U (en) * | 2011-12-27 | 2012-09-05 | 中铁大桥(郑州)缆索有限公司 | Stay cable guide pipe sealing and corrosion preventing structure |
| CN203174493U (en) * | 2013-03-27 | 2013-09-04 | 天津市市政工程设计研究院 | Bridge pier column in high-concentration saline solution corrosion environment |
-
2013
- 2013-03-27 CN CN2013101028118A patent/CN103194961A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007025555A1 (en) * | 2005-08-30 | 2007-03-08 | Icec Holding Ag | Method for vertically extruding a concrete element, device for producing a concrete element and devices produced by this method |
| US20080313972A1 (en) * | 2005-08-30 | 2008-12-25 | Grob Gustav R | Method for Vertically Extruding a Concrete Element, Device for Producing a Concrete Element, and Wind Turbine Generator Tower Produced by This Method |
| CN101109087A (en) * | 2007-08-22 | 2008-01-23 | 青岛双瑞防腐防污工程有限公司 | Anodic sacrifice protection method of steel reinforced concrete bridge pier |
| CN201221048Y (en) * | 2008-06-20 | 2009-04-15 | 上海浦江缆索股份有限公司 | Rubber rainproof case for stayed cable |
| CN101725183A (en) * | 2008-11-03 | 2010-06-09 | 同济大学 | Anti-corrosion pipe for concrete pier column under severe environment |
| CN101748809A (en) * | 2008-12-22 | 2010-06-23 | 同济大学 | Pre-installed corrosion-resistant sleeve for concrete structure |
| CN202416177U (en) * | 2011-12-27 | 2012-09-05 | 中铁大桥(郑州)缆索有限公司 | Stay cable guide pipe sealing and corrosion preventing structure |
| CN203174493U (en) * | 2013-03-27 | 2013-09-04 | 天津市市政工程设计研究院 | Bridge pier column in high-concentration saline solution corrosion environment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040663A (en) * | 2015-07-02 | 2015-11-11 | 济南轨道交通集团有限公司 | Method for guaranteeing durability of concrete members in marine wave splashing area and water level changing area |
| CN105350558A (en) * | 2015-11-13 | 2016-02-24 | 中交天津港湾工程研究院有限公司 | Method for wrapping concrete caisson with abrasion resisting metal materials |
| CN112523075A (en) * | 2020-12-04 | 2021-03-19 | 沈阳建筑大学 | A shock-isolating bearing with anti-corrosion performance |
| CN113136813A (en) * | 2021-04-24 | 2021-07-20 | 福建榕鸿建设有限公司 | Pier reinforced structure |
| CN114169048A (en) * | 2021-11-24 | 2022-03-11 | 汇通建设集团股份有限公司 | Durability design method for reinforced concrete bridge in high-concentration saline-alkali environment |
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Application publication date: 20130710 |