CN106087780A - A kind of external application material improves the method for bridge pier durability - Google Patents
A kind of external application material improves the method for bridge pier durability Download PDFInfo
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- CN106087780A CN106087780A CN201610640855.XA CN201610640855A CN106087780A CN 106087780 A CN106087780 A CN 106087780A CN 201610640855 A CN201610640855 A CN 201610640855A CN 106087780 A CN106087780 A CN 106087780A
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- pier
- external application
- application material
- concrete
- steel
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- 239000000463 material Substances 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- 239000010426 asphalt Substances 0.000 claims abstract description 9
- 239000013536 elastomeric material Substances 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000870 Weathering steel Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
This patent discloses a kind of method that external application material improves bridge pier durability, be applied to the durability reinforcing of concrete pier, steel pier, steel tube concrete knoll.The method of this raising bridge pier durability, by by being affixed on concrete pier or steel pier or steel tube concrete knoll surface outside external application material, preventing the generation of bridge pier endurance issues, makes up the deficiency of present stage bridge pier endurance issues prophylactico-therapeutic measures.Utilize that be made with material contracting with heat or elastomeric material or asphalt material for main material, antiseepage, easy construction, the external application material that is prone to processing, strange land workability good that the surface of concrete pier, steel pier and steel tube concrete knoll is protected, the generation of the problems such as the bridge pier burn into steel bar corrosion that can be good at preventing ice and snow, rainwater, corrosive medium etc. from causing, improves the durability of bridge pier.Meanwhile, by the colour image of external application material itself, it is possible to be obviously enhanced the aesthetic property of bridge pier.
Description
Technical field
This patent relates to a kind of method that external application material improves bridge pier durability, is applied to concrete pier, steel pier, steel pipe
The durability of concrete pier is reinforced, specifically, it is simply that will be affixed on concrete pier or steel pier or concrete filled steel tube outside external application material
Pier surface, it is to avoid bridge pier directly contacts with ice and snow, rainwater, corrosive medium etc., improves the durability of bridge pier with this, strengthens bridge
Aesthetic property, belong to technical field of bridge engineering.
Background technology
In recent years, along with society development, the quantity sharp increase of bridge, with and produced problem is the most prominent
Going out, the outstanding problem of its underpart structure is exactly concrete pier pier shaft concrete scaling, ftractures, reveals muscle, infiltration, steel pier corrosion etc..
Concrete pier is to pour with concrete for raw material to form, and concrete be with a certain proportion of sand of cement mix, stone and water and
A small amount of additive, through stirring, injection molding, vibrate, after the operation such as maintenance, the gradually mixing material of setting and hardening.General next
Say, because the degree of compaction of concrete is poor, ice and snow, rainwater, corrosive medium etc. can cause concrete surface layer peeling, cracking, steel bar corrosion,
The problems such as concrete through freeze-thaw test.The main material of steel pier is steel, and steel are exposed in atmosphere, in wet environment easily with corrosion
Medium reacts, and especially in the area that acid rain is more, the corrosion problem of steel pier is very important.Steel tube concrete knoll outer layer is
Steel pipe, internal concrete perfusion, outer layer pipe is also susceptible to corrosion problem.
Consult existing document to understand, present stage concrete pier preventing and treating concrete scaling, the measure master of ftracture, reveal muscle, infiltration
If at pier shaft surface spraying coating, filling waterproofing agent, the reduction ratio of mud etc. in concrete.Arranging of steel pier preventing and treating steel corrosion
If alms giver paints at pier shaft surface spraying, or employing weathering steel zinc-plated at steel surface.But coating exposes in atmosphere, is subject to
The impact of various factors, durability is very poor, is difficult to be effectively protected to structure；Reduce the ratio of mud and can increase the water of concrete
Heat-transformation, easily produces thermal cracking；Spray paint can produce pungent abnormal smells from the patient, causes environmental pollution；Plating zinc on surface adds bridge
The cost of pier protection, and cause environmental pollution；Though weathering steel can delay corrosion rate, but top layer also has the existence of rusty stain,
Affect the aesthetic property of bridge.In view of this, inventor is according to theory analysis and practical experience, from economy, carry out studying,
Exploitation, finally produces this patent.
Summary of the invention
This patent is to be solved be technical problem is that: provide a kind of method that external application material improves bridge pier durability, will
It is affixed on concrete pier or steel pier or the surface of steel tube concrete knoll outside external application material, prevents and treats because of ice dissolution, rain penetration, corruption
Concrete scaling that erosion medium contact etc. causes, ftracture, reveal muscle, infiltration, steel corrosion etc. and affect the problem of bridge pier durability, more
Mend the deficiency of present stage bridge pier endurance issues prophylactico-therapeutic measures.
This patent solves its technical problem and be the technical scheme is that
A kind of external application material improves the method for bridge pier durability, including concrete pier 1-1, steel pier 2-1, concrete filled steel tube
Pier 3-1, external application material 1-2, external application material 2-2, external application material 3-2；It is characterized in that: be affixed on coagulation with outside external application material 1-2
Knoll 1-1 surface；Or with being affixed on steel pier 2-1 surface outside external application material 2-2；Or it is affixed on concrete filled steel tube with outside external application material 3-2
Pier 3-1 surface；Avoid bridge pier directly to contact with ice and snow, rainwater, corrosive medium etc. by above measure, reach to strengthen bridge pier beautiful
See, improve the purpose of bridge pier durability.
Described a kind of external application material improves the method for bridge pier durability, it is characterised in that: external application material 1-2 can be
The rectangular thin plate processed by material contracting with heat or elastomeric material or asphalt material, the thickness D of external application material 1-21=5mm～
40mm, length H1=0.2m～15m, width B1=0.2m～15m；External application material 2-2 can be by material contracting with heat or elastomeric material
Or the rectangular thin plate that asphalt material processes, the thickness D of external application material 2-22=5mm～40mm, length H2=0.2m～15m,
Width B2=0.2m～15m；External application material 3-2 can be the square processed by material contracting with heat or elastomeric material or asphalt material
Shape thin plate, the thickness D of external application material 3-23=5mm～40mm, length H3=0.2m～15m, width B3=0.2m～32m.
The advantage of this patent is: due to this patent have employed this kind of antiseepage of external application material, easy construction, be prone to processing, different
The surface of concrete pier, steel pier and steel tube concrete knoll is protected by the ground good material of workability, it is possible to well prevent
Control the problems such as the bridge pier burn into steel bar corrosion that ice and snow, rainwater, corrosive medium etc. cause, improve the durability of bridge pier.Meanwhile, borrow
Help the colour image of external application material itself, it is possible to be obviously enhanced the aesthetic property of bridge pier.
Accompanying drawing explanation
The external application material external application schematic diagram of Fig. 1 concrete pier
The external application material plane figure of Fig. 2 concrete pier
The external application material side figure of Fig. 3 concrete pier
The external application material external application schematic diagram of Fig. 4 steel pier
The external application material plane figure of Fig. 5 steel pier
The external application material side figure of Fig. 6 steel pier
The external application material external application schematic diagram of Fig. 7 steel tube concrete knoll
The external application material plane figure of Fig. 8 steel tube concrete knoll
The external application material side figure of Fig. 9 steel tube concrete knoll
Symbol in figure: 1-1 concrete pier；1-2 external application material；2-1 steel pier；2-2 external application material；2-3 steel pier
Connecting plate；3-1 steel tube concrete knoll；3-2 external application material；3-3 steel pipe；3-4 concrete.
Detailed description of the invention
The invention will be further described in conjunction with specific embodiments:
Embodiment one
Certain city concrete pier, during completing for use, has melting ice and snow water entrainment of tricklings such as deicer salts to bridge pier
Root, prolonged and repeated effect can make concrete pier root concrete scaling, affect the durability of bridge pier.To this end, application one is used
External application material improves the method for bridge pier durability and protects concrete pier, as shown in Figure 1.It is embodied as step:
Step 1, according to the coverage of melting ice and snow water, determines and upwards protects concrete pier 1-1 in 1.8m from the bottom of pier
Protect.The external application material 1-that size according to concrete pier 1-1 selects thickness to be 6mm, a length of 1.2m, width are 0.65m
2.External application material 1-2 is to be the flexible rectangular thin plate that main material processes by asphalt material, amounts to 18 pieces, such as Fig. 2, Fig. 3
Shown in.
Cleared up, polish in around at the bottom of concrete pier 1-1 pier and surface by step 2, it is ensured that concrete pier 1-1 surface is put down
Whole, clean, it is beneficial to the stickup of external application material 1-2.
Step 3 as base treatment agent, then uses fired heater to lead at concrete pier 1-1 external coating adhesive bitument primer
Cross the mode of hot melt, will be affixed on concrete pier 1-1 surface outside external application material 1-2 successively.
External application material 1-2 seam crossing is checked and processes by step 4, it is ensured that between external application material 1-2, external application material 1-
It is completely embedded between 2 and concrete pier 1-1, firmly.
Pass through above step so that the tightly outer outer surface being affixed on concrete pier of external application material, make the melting ice and snow water cannot
Directly contact with concrete pier, thus improve the durability of concrete pier.Meanwhile, the lines that external application material surface is unique is utilized
And pattern, strengthen the aesthetic property of city concrete pier.
Embodiment two
Certain steel pier is during completing for use, and pier shaft exposes in atmosphere, and rainwater, corrosive medium etc. directly connect with steel
Touching, make steel pier pier shaft generation corrosion, especially near the position at the bottom of pier, affected by ground wet environment, corrosion is particularly acute.
Steel pier is protected, as shown in Figure 4 by a kind of method applying external application material to improve bridge pier durability.It is embodied as step:
Step 1, very according to wet environment coverage, determines and upwards protects steel pier 2-1 in the range of 2m from the bottom of pier, root
Select thickness to be 12mm according to the size of steel pier 2-1, a length of 1m, width are the external application material 2-2 of 0.55m.External application material
2-2 is the flexible rectangular thin plate processed for main material with asphalt material, and one side, with self-adhesion sizing material, amounts to 16 pieces, as
Shown in Fig. 5, Fig. 6.
Cleared up, polish in around at the bottom of steel pier 2-1 pier and surface by step 2, it is ensured that steel pier 2-1 dry tack free, clean and tidy, with
It is beneficial to the stickup of external application material 2-2.
Step 3 tear off external application material-2-2 with from viscose material one side sealing coat, steel pier will be affixed on outside external application material 2-2
On 2-1 surface.
External application material 2-2 seam crossing is checked and processes by sealing compound by step 4, it is ensured that external application material 2-2 it
Between, be completely embedded, firmly between external application material 2-2 and steel pier 2-1.
Pass through above step so that external application material is tightly outer is affixed on steel pier outer surface, it is to avoid it is unfavorable that steel pier pier shaft is exposed to
Environment occurs corrosion, thus improves the durability of steel pier.Meanwhile, utilize the lines of external application material surface uniqueness, pattern, carry
Rise the aesthetic feeling that steel pier is overall.
Embodiment three
Certain steel tube concrete knoll is using steel pipe as the formwork for placing of concrete, and concreting belongs to concealed work, may
In inside, defect occurs.If steel pipe generation corrosion, extraneous corrosive medium enters in concrete, can accelerate the damage of concrete, shadow
Ring the durability of steel tube concrete knoll.Steel tube concrete knoll is entered by a kind of method applying external application material to improve bridge pier durability
Row protection, as shown in Figure 7.It is embodied as step:
Step 1, according to easy-to-rust position, determines and upwards protects steel tube concrete knoll 3-1 in the range of 1.8m from the bottom of pier
Protect.The external application material that size according to steel tube concrete knoll 3-1 selects thickness to be 6mm, a length of 1.2m, width are 0.6m
3-2.External application material 3-2 is to be the flexible rectangular thin plate that main material processes by material contracting with heat, amounts to 9 pieces, such as Fig. 8, Fig. 9
Shown in.
Cleared up, polish in around at the bottom of steel tube concrete knoll 3-1 pier and surface by step 2, it is ensured that steel tube concrete knoll 3-1
Surfacing, clean, it is beneficial to the external application of external application material 3-2.
Step 3 by being affixed on outside external application material 3-2 on concrete filled steel tube pier 3-1, passes through glue between external application material 3-2 successively
It is attached.
Step 4, after being firmly bonded between external application material 3-2, uses hot-air blower to being attached on steel tube concrete knoll 3-1
External application material 3-2 heats, and is heated to external application material 3-2 and is tightly attached on the surface of steel tube concrete knoll 3-1, heated
Cheng Zhong, hot-air blower, away from external application material 3-2 surface at least more than 5cm, prevents that temperature is too high causes material damage.
External application material 3-2 seam crossing is checked and processes by step 5, it is ensured that between external application material 3-2, external application material 3-
It is completely embedded, firmly between 2 and steel tube concrete knoll 3-1.
Pass through above step so that external application material is tightly outer is affixed on concrete filled steel tube pier outer surface, makes steel tube concrete knoll
Bottom is in sealing state, thus improves the durability of steel tube concrete knoll.Meanwhile, the stricture of vagina that external application material surface is unique is utilized
Road, pattern, enhance the aesthetic property of steel tube concrete knoll.
Above-described specific implementation method, is illustrated purpose, technical scheme and the beneficial effect of this patent.Institute
It is emphasized that the foregoing is only specific implementation of the patent example, can not be used for limiting the scope of this patent.All
Within the spirit of this patent and principle, any amendment, equivalent or the improvement etc. made, should be included in the protection of this patent
Within the scope of.
In sum, this patent provides a kind of method that external application material improves bridge pier durability, it is achieved that to coagulation
Knoll, steel pier and the protection of steel tube concrete knoll durability and raising, the enhancing of aesthetic appearance.This patent have novelty,
Practicality, meets patent requirements, therefore proposes patent application in accordance with the law.
Claims (2)
1. the method improving bridge pier durability with external application material, including concrete pier (1-1), steel pier (2-1), steel tube concrete
Knoll (3-1), external application material (1-2), external application material (2-2), external application material (3-2)；It is characterized in that: with external application material (1-
2) concrete pier (1-1) surface it is affixed on outside；Or with being affixed on steel pier (2-1) surface outside external application material (2-2)；Or use external application material
(3-2) concrete filled steel tube pier (3-1) surface it is affixed on outside；Avoid bridge pier straight with ice and snow, rainwater, corrosive medium etc. by above measure
Contact, reaches to strengthen the purpose that bridge pier is attractive in appearance, improve bridge pier durability.
A kind of external application material the most according to claim 1 improves the method for bridge pier durability, it is characterised in that: external application material
Material (1-2) can be the rectangular thin plate processed by material contracting with heat or elastomeric material or asphalt material, external application material (1-2)
Thickness D1=5mm～40mm, length H1=0.2m～15m, width B1=0.2m～15m；External application material (2-2) can be by heat
The rectangular thin plate that compression material or elastomeric material or asphalt material process, the thickness D of external application material (2-2)2=5mm～
40mm, length H2=0.2m～15m, width B2=0.2m～15m；External application material (3-2) can be by material contracting with heat or rubber material
The rectangular thin plate that material or asphalt material process, the thickness D of external application material (3-2)3=5mm～40mm, length H3=0.2m～
15m, width B3=0.2m～32m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640855.XA CN106087780A (en) | 2016-08-08 | 2016-08-08 | A kind of external application material improves the method for bridge pier durability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640855.XA CN106087780A (en) | 2016-08-08 | 2016-08-08 | A kind of external application material improves the method for bridge pier durability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106087780A true CN106087780A (en) | 2016-11-09 |
Family
ID=57454196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640855.XA Pending CN106087780A (en) | 2016-08-08 | 2016-08-08 | A kind of external application material improves the method for bridge pier durability |
Country Status (1)
| Country | Link |
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| CN (1) | CN106087780A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000186314A (en) * | 1998-12-18 | 2000-07-04 | Shimizu Corp | Salt damage countermeasure reinforcing method and reinforcing structure |
| KR200227269Y1 (en) * | 2001-01-04 | 2001-06-15 | 벽산엔지니어링주식회사 | Fiberglass Reinforced Plastic synthesis sheeting body structure for a bridge |
| KR200234643Y1 (en) * | 2001-03-14 | 2001-10-08 | 주식회사 한국종합기술개발공사 | Caisson of bridge |
| KR20040004187A (en) * | 2003-08-26 | 2004-01-13 | 주식회사 한국건설관리공사 | A safety cover for protecting a road equipment |
| JP2004060359A (en) * | 2002-07-31 | 2004-02-26 | Mitsui Kagaku Sanshi Kk | Concrete surface structure and its construction method |
| CN103321146A (en) * | 2013-07-03 | 2013-09-25 | 天津城建大学 | Replaceable anticorrosion device for bridge pier in splash zone |
-
2016
- 2016-08-08 CN CN201610640855.XA patent/CN106087780A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000186314A (en) * | 1998-12-18 | 2000-07-04 | Shimizu Corp | Salt damage countermeasure reinforcing method and reinforcing structure |
| KR200227269Y1 (en) * | 2001-01-04 | 2001-06-15 | 벽산엔지니어링주식회사 | Fiberglass Reinforced Plastic synthesis sheeting body structure for a bridge |
| KR200234643Y1 (en) * | 2001-03-14 | 2001-10-08 | 주식회사 한국종합기술개발공사 | Caisson of bridge |
| JP2004060359A (en) * | 2002-07-31 | 2004-02-26 | Mitsui Kagaku Sanshi Kk | Concrete surface structure and its construction method |
| KR20040004187A (en) * | 2003-08-26 | 2004-01-13 | 주식회사 한국건설관리공사 | A safety cover for protecting a road equipment |
| CN103321146A (en) * | 2013-07-03 | 2013-09-25 | 天津城建大学 | Replaceable anticorrosion device for bridge pier in splash zone |
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Application publication date: 20161109 |
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