CN104532882A - On-site preservative treatment method for steel pipe pile for wharf - Google Patents
On-site preservative treatment method for steel pipe pile for wharf Download PDFInfo
- Publication number
- CN104532882A CN104532882A CN201410705424.8A CN201410705424A CN104532882A CN 104532882 A CN104532882 A CN 104532882A CN 201410705424 A CN201410705424 A CN 201410705424A CN 104532882 A CN104532882 A CN 104532882A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- coating
- pipe joint
- pipe pile
- next step
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/60—Piles with protecting cases
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an on-site preservative treatment method for a steel pipe pile for a wharf and belongs to the technical field of knife coating preservative treatment. The on-site preservative treatment method for the steel pipe pile for the wharf includes steps that I, construction preparation; II, appearance inspection for steel pipe joints; III, shot blasting; IV, surface dust extraction; V, coating preparation; VI, coating paving; VII, knife coating; VIII, knife coating appearance inspection; IX, drying film thickness detection; X, sampling inspection for adhesive force; XI, steel pipe joint acceptance check. Compared with the prior art, the on-site preservative treatment method for the steel pipe pile for the wharf saves the intermediate conveying cost of the steel pipe pile and comprehensively and effectively monitors the splicing and preservative process of the steel pipe pile through reasonable construction technology process; the one coat epoxy heavy anti-corrosive coating is high in curing characteristic, fast in drying speed and large in viscosity, the proportion of volatile ingredient arrives at 95%, and the coating mix proportion is controlled under the temperatures of different time periods; the quality defect rate is lowered, the material is saved, the working efficiency is improved, and the production cost is lowered.
Description
Technical field
The invention belongs to blade coating preservative treatment technology field, particularly relate to a kind of method for anticorrosion treatment of steel pipe piles at wharf.
Background technology
Along with the development of home and abroad shipping industry, during large diameter steel pipe pile is constantly applied to and builds in harbour, the steel pipe pile of use is assembled by steel pipe joint, because steel pipe pile is immersed in water for a long time, therefore needs to carry out preservative treatment to steel pipe joint.At present, steel pipe joint preservative treatment is carried out at factory floor, then steel pipe joint is assembled into whole stake, and method for anticorrosion treatment one is spray-coating technique, and spraying paint film appearance is relatively uniform, and efficiency is high, and coating viscosity is low, hardening time is short; Another kind is machine doctor blade process, coating viscosity is high, hardening time is short, coating process efficiency is high, be suitable for factory mass to make, two kinds of anticorrosion treatment technology coating expend greatly, and are difficult to effective, corrosion-resistant overall process assembled to steel pipe pile comprehensively and monitor, the blade coating mass defect of steel pipe pile is serious, blade coating quality can not be guaranteed, and steel pipe pile corrosion rate is fast, so affect harbour quality.
Summary of the invention
In order to overcome the defect of prior art, the object of this invention is to provide the on-the-spot method for anticorrosion treatment of a kind of harbour steel pipe pile, corrosion-resistant overall process assembled to steel pipe pile is monitored, and reduces the incidence of anti-corrosion of steel pipe pile mass defect, saving color, reduces cost of production.
The harbour on-the-spot method for anticorrosion treatment of steel pipe pile, specifically carries out according to the following steps:
I, preparation of construction
According to site environment weather conditions, designing requirement, post coat place is arranged, comprise regional and divide (shot-blasting machine installation, coating area, semiproduct, finished product district and paint district), manpower, equipment and work facility, the configuration of thickness and adhesive power detecting instrument, and temperature, hygroscopic configuration;
II, steel pipe joint visual inspection
Check steel pipe joint, comprise the circularity of steel pipe joint port, the outward appearance of weld seam and internal soundness, qualified enters next step, underproofly carry out Repair, enter next step after process, avoid occurring doing over again after completing blade coating, cause paint film to damage, affect overall coating quality;
III, impeller blasting
Steel pipe joint carries out tube coupling surfacing by semi-automatic rotary rust remover, and derusting grade is ST2.5;
IV, surface dust
Adopt the jet dedusting of air compressor machine, and before application, utilize dry wipe clearing up steel pipe joint, guarantee tube coupling surface cleaning;
V, coating
Determine allotment ratio according to on-the-spot climatic environment, humidity change, before the first stage 10, adopt high viscosity rapid curing proportioning, by weight ratio be: resin: curing compound: powder=4:1.1:8.5; Second stage 10 point ~ 12 point, adopt medium viscosity proportioning, ratio is: resin: curing compound: powder=4:1:8; Phase III 2 point ~ 5 point, adopt high viscosity proportioning, ratio is: resin: curing compound: powder=4:1.05:8.8;
VI, coating pave
Pave and to amass according to computer tube nodal section and the build of scratch area confirms weight of coated paint, steel pipe joint is divided into 3 meters, 6 meters, 9 meters, 12 meters according to modulus and design steel pipe length by steel pipe joint, usually each use amount of allocating 6 mitron joints according to proportioning, can save coating;
VII, blade coating
10 people are arranged to be one group, blade coating is carried out in point both sides simultaneously, everyone active length is 1 meter ~ 1.2 meters, work area is 1/4th of tube coupling cross section, utilize plastic scrapers that the coating paved evenly is scraped steel tube surface, scraper plate and pipe face at 45 °, first along cross-wise direction blade coating, by quick for coating blade coating to 1/2 caliber, the horizontal blade coating along length of tube direction again, makes coating even, so repeatedly carry out until surface observe smooth till, the instant blade coating of coating of can guaranteeing to pave is complete, ensures blade coating quality;
VIII, blade coating visual inspection
Check after blade coating whether steel pipe joint application occurs sagging, pit, holiday, pinprick, bubble etc., and what outward appearance was qualified enters next step, underproof carry out polishing repair, enter next step after repairing;
IX, build detect
Build detect need after 24 hours in coating volatile component carry out after being substantially evaporated completely, build is divided into three parts, mud inferior segment is 200 microns, 800 microns, district under water, fluctuation of water table district is 1200 microns+80 microns heavy antisepsis F-C paint, utilize paint film thickness gauge to carry out build detection to different piece, detect 5m
2survey a bit, 3 points are surveyed in every face, and qualified enters next step, underproofly carry out coating, enter next step after coating;
X, adhesive power are inspected by random samples
After steel pipe joint completes application, interval is arbitrarily inspected by random samples for 7 days, sampling observation numerical value >=8mpa;
XI, steel pipe joint are checked and accepted
Check and accept handing-over, carry out on-the-spot material object and check and accept the synchronous of delivering-receiving document.
Compared with prior art, advantage is that the present invention passes through rational construction technology process, saves steel pipe pile intermediate transportation cost, and effective, corrosion-resistant overall process assembled to steel pipe pile is monitored comprehensively; The bottom surface unification epoxy heavy duty anticorrosive paint used, there is high curing characteristics, rate of drying is fast, viscosity is large, nonvolatile component reaches 95%, and controls the match ratio of coating at different time sections temperature, and the incidence of the mass defects such as large-area such as sagging, pit, holiday, bubble appears in the change reduced due to temperature, humidity, the temperature difference at During Initial Stage Construction, reduce artificial input, save repairing and need use material, increase work efficiency, reduce cost of production.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the on-the-spot method for anticorrosion treatment process chart of harbour steel pipe pile;
Fig. 2 is bottom surface unification epoxy heavy duty anticorrosive paint component match ratio.
detailed description of the invention:
Below in conjunction with embodiment, the present invention will be further described.
As shown in Figure 1, the harbour on-the-spot method for anticorrosion treatment of steel pipe pile, specifically carries out according to the following steps:
I, preparation of construction
According to site environment weather conditions, designing requirement, post coat place is arranged, comprise regional and divide (shot-blasting machine installation, coating area, semiproduct, finished product district and paint district), manpower, equipment and work facility, the configuration of thickness and adhesive power detecting instrument, and temperature, hygroscopic configuration;
II, steel pipe joint visual inspection
Check steel pipe joint, comprise the circularity of steel pipe joint port, the outward appearance of weld seam and internal soundness, qualified enters next step, underproofly carry out Repair, enter next step after process, avoid occurring doing over again after completing blade coating, cause paint film to damage, affect overall coating quality;
III, impeller blasting
Steel pipe joint carries out tube coupling surfacing by semi-automatic rotary rust remover, and derusting grade is ST2.5;
IV, surface dust
Adopt the jet dedusting of air compressor machine, and before application, utilize dry wipe clearing up steel pipe joint, guarantee tube coupling surface cleaning;
V, coating
As shown in Figure 2, determine allotment ratio according to on-the-spot climatic environment, humidity change, before the first stage 10, adopt high viscosity rapid curing proportioning, by weight ratio be: resin: curing compound: powder=4:1.1:8.5; Second stage 10 point ~ 12 point, adopt medium viscosity proportioning, ratio is: resin: curing compound: powder=4:1:8; Phase III 2 point ~ 5 point, adopt high viscosity proportioning, ratio is: resin: curing compound: powder=4:1.05:8.8;
VI, coating pave
Pave and to amass according to computer tube nodal section and the build of scratch area confirms weight of coated paint, steel pipe joint is divided into 3 meters, 6 meters, 9 meters, 12 meters according to modulus and design steel pipe length by steel pipe joint, usually each use amount of allocating 6 mitron joints according to proportioning, can save coating;
VII, blade coating
10 people are arranged to be one group, blade coating is carried out in point both sides simultaneously, everyone active length is 1 meter ~ 1.2 meters, work area is 1/4th of tube coupling cross section, utilize plastic scrapers that the coating paved evenly is scraped steel tube surface, scraper plate and pipe face at 45 °, first along cross-wise direction blade coating, by quick for coating blade coating to 1/2 caliber, the horizontal blade coating along length of tube direction again, makes coating even, so repeatedly carry out until surface observe smooth till, the instant blade coating of coating of can guaranteeing to pave is complete, ensures blade coating quality;
VIII, blade coating visual inspection
Check after blade coating whether steel pipe joint application occurs sagging, pit, holiday, pinprick, bubble etc., and what outward appearance was qualified enters next step, underproof carry out polishing repair, enter next step after repairing;
IX, build detect
Build detect need after 24 hours in coating volatile component carry out after being substantially evaporated completely, build is divided into three parts, mud inferior segment is 200 microns, under water 800 microns, district, and fluctuation of water table district is 1200 microns+80 microns heavy antisepsis F-C paint, paint film thickness gauge is utilized to carry out build detection to different piece, detect 5 ㎡ to survey a bit, 3 points are surveyed in every face, and qualified enters next step, underproofly carry out coating, after coating, enter next step;
X, adhesive power are inspected by random samples
After steel pipe joint completes application, interval is arbitrarily inspected by random samples for 7 days, sampling observation numerical value >=8mpa;
XI, steel pipe joint are checked and accepted
Check and accept handing-over, carry out on-the-spot material object and check and accept the synchronous of delivering-receiving document.
Claims (1)
1.
the harbour on-the-spot method for anticorrosion treatment of steel pipe pile, it is characterized in that specifically carrying out according to the following steps:
I, preparation of construction
According to site environment weather conditions, designing requirement, post coat place is arranged, comprise regional divide, manpower, equipment and work facility, the configuration of thickness and adhesive power detecting instrument, and temperature, hygroscopic configuration;
II, steel pipe joint visual inspection
Check steel pipe joint, comprise the circularity of steel pipe joint port, the outward appearance of weld seam and internal soundness, qualified enters next step, underproofly carries out Repair, enters next step after process;
III, impeller blasting
Steel pipe joint carries out tube coupling surfacing by semi-automatic rotary rust remover, and derusting grade is ST2.5;
IV, surface dust
Adopt the jet dedusting of air compressor machine, and before application, utilize dry wipe clearing up steel pipe joint, guarantee tube coupling surface cleaning;
V, coating
Determine allotment ratio according to on-the-spot climatic environment, humidity change, before the first stage 10, adopt high viscosity rapid curing proportioning, by weight ratio be: resin: curing compound: powder=4:1.1:8.5; Second stage 10 point ~ 12 point, adopt medium viscosity proportioning, ratio is: resin: curing compound: powder=4:1:8; Phase III 2 point ~ 5 point, adopt high viscosity proportioning, ratio is: resin: curing compound: powder=4:1.05:8.8;
VI, coating pave
Pave and to amass according to computer tube nodal section and the build of scratch area confirms weight of coated paint, steel pipe joint is divided into 3 meters, 6 meters, 9 meters, 12 meters according to modulus and design steel pipe length by steel pipe joint, usually each use amount of allocating 6 mitrons joints according to proportioning;
VII, blade coating
10 people are arranged to be one group, blade coating is carried out in point both sides simultaneously, everyone active length is 1 meter ~ 1.2 meters, and work area is 1/4th of tube coupling cross section, utilizes plastic scrapers that the coating paved evenly is scraped steel tube surface, scraper plate and pipe face at 45 °, first along cross-wise direction blade coating, by quick for coating blade coating to 1/2 caliber, the horizontal blade coating along length of tube direction again, make coating even, so repeatedly carry out until surface observe smooth till;
VIII, blade coating visual inspection
Check after blade coating whether steel pipe joint application occurs sagging, pit, holiday, pinprick, bubble etc., and what outward appearance was qualified enters next step, underproof carry out polishing repair, enter next step after repairing;
IX, build detect
Build detect need after 24 hours in coating volatile component carry out after being substantially evaporated completely, build is divided into three parts, mud inferior segment is 200 microns, under water 800 microns, district, and fluctuation of water table district is 1200 microns+80 microns heavy antisepsis F-C paint, paint film thickness gauge is utilized to carry out build detection to different piece, detect 5 ㎡ to survey a bit, 3 points are surveyed in every face, and qualified enters next step, underproofly carry out coating, after coating, enter next step;
X, adhesive power are inspected by random samples
After steel pipe joint completes application, interval is arbitrarily inspected by random samples for 7 days, sampling observation numerical value >=8mpa;
XI, steel pipe joint are checked and accepted
Check and accept handing-over, carry out on-the-spot material object and check and accept the synchronous of delivering-receiving document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705424.8A CN104532882B (en) | 2014-12-01 | 2014-12-01 | Harbour steel-pipe pile scene method for anticorrosion treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705424.8A CN104532882B (en) | 2014-12-01 | 2014-12-01 | Harbour steel-pipe pile scene method for anticorrosion treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532882A true CN104532882A (en) | 2015-04-22 |
| CN104532882B CN104532882B (en) | 2016-07-13 |
Family
ID=52848490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705424.8A Active CN104532882B (en) | 2014-12-01 | 2014-12-01 | Harbour steel-pipe pile scene method for anticorrosion treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104532882B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947808A (en) * | 2015-05-08 | 2015-09-30 | 青岛华联装饰工程有限公司 | Building exterior wall steel structure derusting method |
| CN111842071A (en) * | 2020-07-31 | 2020-10-30 | 陕西宇阳石油科技工程有限公司 | On-site coating method for epoxy coating of steel pipeline |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06146271A (en) * | 1992-11-06 | 1994-05-27 | Nippon Steel Corp | High strength multiple anticorrosive coated steel pipe pile |
| CN201473946U (en) * | 2009-07-23 | 2010-05-19 | 江苏中矿大正表面工程技术有限公司 | Composite protective steel pile structure |
| CN202745083U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气集团公司 | Pile leg steel pipe for ocean platform with three anticorrosion layers |
| CN103088811A (en) * | 2012-12-07 | 2013-05-08 | 山东德瑞防腐材料有限公司 | Composite waxy film antiseptic steel pipe pile |
| CN203334326U (en) * | 2013-06-13 | 2013-12-11 | 宁波科鑫腐蚀控制工程有限公司 | Steel pipe with outer fusion bonded epoxy powder anticorrosive coating |
-
2014
- 2014-12-01 CN CN201410705424.8A patent/CN104532882B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06146271A (en) * | 1992-11-06 | 1994-05-27 | Nippon Steel Corp | High strength multiple anticorrosive coated steel pipe pile |
| CN201473946U (en) * | 2009-07-23 | 2010-05-19 | 江苏中矿大正表面工程技术有限公司 | Composite protective steel pile structure |
| CN202745083U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气集团公司 | Pile leg steel pipe for ocean platform with three anticorrosion layers |
| CN103088811A (en) * | 2012-12-07 | 2013-05-08 | 山东德瑞防腐材料有限公司 | Composite waxy film antiseptic steel pipe pile |
| CN203334326U (en) * | 2013-06-13 | 2013-12-11 | 宁波科鑫腐蚀控制工程有限公司 | Steel pipe with outer fusion bonded epoxy powder anticorrosive coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947808A (en) * | 2015-05-08 | 2015-09-30 | 青岛华联装饰工程有限公司 | Building exterior wall steel structure derusting method |
| CN111842071A (en) * | 2020-07-31 | 2020-10-30 | 陕西宇阳石油科技工程有限公司 | On-site coating method for epoxy coating of steel pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104532882B (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104695631A (en) | Construction method for spraying polyurea waterproof coating on roof | |
| CN104534221A (en) | Method for repairing and reinforcing pipeline by means of composite materials | |
| CN107061929A (en) | Steel circulating water pipe anti-corrosion method | |
| CN105065852B (en) | Construction method for laying pressure steel pipe in water passing tunnel of hydropower station | |
| CN104532882B (en) | Harbour steel-pipe pile scene method for anticorrosion treatment | |
| CN106958718A (en) | A kind of pipe lining restorative procedure | |
| CN105032747A (en) | Tower cylinder coating method of large floating wind power station | |
| CN103008215A (en) | Method for spraying bicomponent modified epoxy resin with 100 percent solid content on inner wall of steel pipe | |
| CN104785421A (en) | Method for preventing steel from corroding in hull block construction process | |
| CN104131551A (en) | Anticorrosion coating of precast pile foundation for silt soil complicated geology and method | |
| CN105149865B (en) | The inwall lining plastic anticorrosion process of major diameter tank body equipment | |
| CN105109853B (en) | Large-scale storage tank lining plastic anticorrosion process | |
| CN204418011U (en) | The bridge asphalt pavement structure of the triple water-proof system of a kind of rubber asphalt double sum | |
| CN101349364B (en) | Cable stand anti-corrosive process | |
| Khudaev et al. | Technology to restore design parameters of irrigation pump discharge pipelines | |
| CN204372452U (en) | A kind of outer wall adhesive tape is cold twines anti-corrosion pipeline | |
| CN110863670A (en) | Method for repairing corrosion of tower foot of transmission steel tower | |
| CN205907910U (en) | Inclined roof board rapid hardening spraying rubber impermeability structure | |
| CN105423066A (en) | Anti-corrosion repairing method for flange on ocean oil platform | |
| CN103433192B (en) | Coating method for coating solvent-free anti-drag coating in steel pipe | |
| CN205578947U (en) | Anticorrosive device of repaired mouth of pipeline butt joint weld bond | |
| CN110280467A (en) | A kind of midium-carbon steel board concrete structure builds guard method between Anqi | |
| Umar et al. | Strengthening of historic buildings through structural repair works: Review of the methods and process | |
| CN204185846U (en) | The prefabricated pile foundation of a kind of mud soil property complicated geological | |
| CN104989167A (en) | Anti-corrosion structure for chimney and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |