CN115234028A - Construction method for modifying bonded steel plate through structural reinforcement - Google Patents

Construction method for modifying bonded steel plate through structural reinforcement Download PDF

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Publication number
CN115234028A
CN115234028A CN202210930690.5A CN202210930690A CN115234028A CN 115234028 A CN115234028 A CN 115234028A CN 202210930690 A CN202210930690 A CN 202210930690A CN 115234028 A CN115234028 A CN 115234028A
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China
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glue
steel plate
construction method
binding
acetone
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CN202210930690.5A
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Chinese (zh)
Inventor
蔡建坡
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Shaanxi Kaiding Construction Engineering Co ltd
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Shaanxi Kaiding Construction Engineering Co ltd
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Priority to CN202210930690.5A priority Critical patent/CN115234028A/en
Publication of CN115234028A publication Critical patent/CN115234028A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to the technical field of steel plate bonding, in particular to a construction method for structurally reinforcing and modifying a bonded steel plate, which comprises surface treatment, punching at four corners of a bonding object, proportioning glue, gluing the bonding object, bonding, fixing bolts, detecting whether the bonding is successful, removing the glue and coating an anticorrosive material, wherein the surface treatment comprises cleaning a bonding surface and cleaning a bonded surface, the cleaning bonding surface is mainly subjected to rust removal and curved surface grinding, the cleaning bonded surface is mainly subjected to rough surface grinding and pit filling, the proportioning glue comprises proportioning according to a proportion, the proportioned glue can be heated to 40 ℃ according to the proportion and is added with a small amount of acetone for use, the glue solidified on the surface of the glue is removed mainly through a small knife or a grinding wheel, the glue is lightly wiped through acetone after grinding is finished, the mixed epoxy resin glue is heated and is added with a small amount of acetone, and the movement of inner molecules of the glue can be helped, so that the glue is not influenced by weather.

Description

Construction method for modifying bonded steel plate through structural reinforcement
Technical Field
The invention relates to the technical field of bonded steel plate bonding, in particular to a construction method for modifying a bonded steel plate through structural reinforcement.
Background
The bonded steel plate is reinforced by bonding the steel plate to a concrete column or a concrete wall surface through various bonding agents by the steel plate with the selected size so as to achieve the effect of supporting and reinforcing, and the steel plate has a good tensile effect and is bonded to the surface of the concrete by the bonding agent so as to enhance the bearing capacity and rigidity of the concrete part.
The bonded steel plate reinforcement is a very common reinforcement method in building engineering, a user can glue, stick and fix the bonded steel plate by using bolts in the reinforcement process to achieve the reinforcement effect, the bonded steel plate reinforcement can achieve the advantages of short construction time, small investment, less construction waste and the like by adopting the bonded steel plate reinforcement, and the bonded steel plate reinforcement still becomes a common reinforcement method for modern building construction at present.
Most of glue used on the surface of the steel plate is epoxy resin glue in the reinforcing process, the epoxy resin glue can resist oil and acid and alkali, has a large adaptive temperature range and the like after being solidified, the epoxy resin glue is a good adhesive in the steel plate reinforcing engineering, but the glue liquid of the epoxy resin glue becomes viscous under the condition that outdoor air is cold, so that the mixing and smearing of the epoxy resin glue are difficult.
When carrying out the steel sheet reinforcement under chilly weather, because of the weather reason, epoxy glue molecule is not active enough, makes its epoxy glue flow property worsen, and the colloid is more sticky, is not smooth enough when mixing the glue solution and scribbling the glue solution, and the steel sheet kiss-coating effect is poor, leads to the bonding effect poor.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a construction method for structurally reinforcing and modifying a bonded steel plate, so as to solve the problems in the background art.
The invention provides the following technical scheme: the utility model provides a construction method that structure reinforcement changed and glues steel sheet, includes surface treatment, still includes that the laminating thing four corners punches, ratio glue, laminating thing rubber coating, laminate, bolt fastening, whether detection laminating is successful, clear away glue, scribble anticorrosive material, surface treatment is including clearance binding face and clearance by the binding face, the clearance binding face mainly grinds the paper-back with the rust cleaning and curved surface, the clearance is mainly ground the paper-back with the rough surface and the hole is mended neatly, ratio glue includes according to proportion, can heat the glue that has proportioned to 40C and add a small amount of acetone and use according to proportion, clear away glue and mainly clear away through knife or emery wheel its glue that the surface solidifies, polish and the back is dabbed through acetone.
Further, the specific process is as follows:
s1, firstly, carrying out surface treatment on the binding surface of a steel plate, slightly wiping the binding surface of the steel plate with acetone by using a cotton swab or wiping cloth to remove rust on the surface of the steel plate, polishing the rust surface by using a grinding wheel if the rust area is large, then removing rust by using acetone, and flattening the curved surface of the steel plate by using the grinding wheel to ensure that the binding surface of the steel plate is in a rust-free and flat state, simultaneously cleaning the surface to be reinforced, flattening the cleaned binding surface by using a rough surface and filling the pits, wherein the rough surface is mainly slightly polished by using the grinding wheel, the filling of the pits is mainly carried out by adding glue and sawdust, and slightly polishing the filling position of the binding surface after filling is finished to ensure that the binding surface is in a flat state.
S2, after the surface treatment of the binding surface of the steel plate and the surface treatment of the binding surface of the bound steel plate are finished, punching is needed to be carried out on four corners of the steel plate.
S3, after the preparation work is finished, the glue is required to be proportioned, the glue used for adhering the steel plate is epoxy resin glue, the glue is formed by mixing A glue and B glue, during construction in winter, due to the weather influence of hands, the epoxy resin glue is viscous when being mixed, the epoxy resin glue is difficult to paint after being mixed, a small amount of acetone serving as a diluent can be added into the epoxy resin glue, and meanwhile, the epoxy resin glue is heated.
S4, coating the diluted glue on the binding surface of the steel plate, enabling the binding surface to be in close contact with the bound surface, and fixing the glue on the surface of the bound surface through four holes by using bolts.
And S5, after the glue is completely solidified, whether the glue is successfully adhered or not and whether the glue meets the structural reinforcement standard or not are detected, if the glue passes the detection, an anticorrosive material is coated on the glue, and if the glue does not pass the detection, the glue is required to be detached and removed.
S6, removing the glue by mainly adopting a knife or a grinding wheel to remove larger crystals, and slightly wiping the surface of the glue by adopting an acetone solution to dissolve the crystals.
Further, the surface treatment is to polish the whole attaching surface to be at the same horizontal height and completely treat rusty marks of the attaching surface, polish the attached surface to be at the same horizontal height and fill up pits of the attached surface.
Furthermore, the proportioning glue is proportioned according to two types A and B one by one, and clockwise and anticlockwise stirring is carried out after proportioning is finished.
Furthermore, the glue coating of the joint material is to be coated on the surface layer of the polished and derusted surface, the glue is coated to the thickness of 2mm, the complete coverage of the glue coating surface is ensured, and air bubbles formed after the glue coating are removed.
Furthermore, the proportioned glue is heated and a small amount of acetone is added when the proportioned glue is used in winter.
Further, the pattern coating anticorrosive material should be coated on the surface of the attachment for polishing and derusting. The invention has the technical effects and advantages that:
1. according to the invention, the mixed epoxy resin glue is heated and a small amount of acetone is added, so that the movement of internal molecules of the glue can be helped, the glue is not sticky due to the movement difference among the molecules in cold seasons, and a user can smoothly paint the glue in the cold seasons, so that the gluing can be completed.
2. According to the invention, the mixed epoxy resin adhesive is heated and a small amount of acetone is added, so that the smooth adhesive can be used in cold seasons, and the adhesive gap between the binding surface and the bound surface caused by poor adhesive flow performance is prevented, so that the adhesive can not completely cover the two binding surfaces, and the binding surface is ensured to be completely connected with the bound surface.
Drawings
FIG. 1 is an overall flow diagram of the present invention.
FIG. 2 is a block diagram of the surface treatment of the present invention.
FIG. 3 is a frame diagram of glue proportioning of the present invention.
Fig. 4 is a frame diagram of the glue removal of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the forms of the structures described in the following embodiments are merely examples, and the construction method of the structural reinforcing and reforming bonded steel plate according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present invention.
The invention provides a construction method for modifying a bonded steel plate through structure reinforcement, which comprises the steps of surface treatment, punching of four corners of a bonding object, glue proportioning, gluing of the bonding object, bonding, bolt fixing, detection of whether bonding is successful, glue removal and anticorrosion material coating, wherein the surface treatment comprises the steps of cleaning a bonding surface and cleaning a bonded surface, the cleaning bonding surface is mainly subjected to rust removal and curved surface grinding, the cleaning bonded surface is mainly subjected to rough surface grinding and pit filling, the glue proportioning comprises proportioning according to a proportion, the proportioned glue can be heated to 40 ℃ according to the proportion and is added with a small amount of acetone for use, the glue for removing the glue, the surface of which is solidified, is mainly removed through a knife or a grinding wheel, and the glue is lightly wiped through acetone after grinding.
What need specifically explain in this embodiment is that, through surface treatment, can carry out effectual clearance with the laminating surface of its laminating thing and the surface of the subsides of attached thing, it is firm inadequately to prevent to cause the laminating because of surface problem in the laminating process, and there is the gap between laminating thing and the attached thing, does not play the supporting effect, and guarantee laminating thing and attached thing in close contact with and laminate.
Referring to fig. 1, the specific process is as follows:
s1, firstly, carrying out surface treatment on a binding surface of a steel plate, slightly wiping the binding surface of the steel plate with acetone by using a cotton swab or wiping cloth to remove rust on the surface of the steel plate, polishing the rust by using a grinding wheel if the area of the rust is large, then removing rust by using acetone, and grinding the curved surface of the steel plate by using the grinding wheel to ensure that the binding surface of the steel plate is in a rust-free and flat state;
s2, after the surface treatment of the binding surface of the steel plate and the surface treatment of the binding surface of the bound steel plate are finished, punching is needed to be carried out on four corners of the steel plate;
s3, after the preparation work is finished, the glue is required to be proportioned, the glue used for adhering the steel plate is usually epoxy resin glue, the epoxy resin glue is formed by mixing A glue and B glue, during construction in winter, due to the influence of weather by hands, the epoxy resin glue is viscous during mixing, the epoxy resin glue is difficult to coat after mixing is finished, a small amount of acetone serving as a diluent can be added into the epoxy resin glue, and meanwhile, the epoxy resin glue is heated;
s4, coating the diluted glue on the binding surface of the steel bonding plate, enabling the binding surface to be in close contact with the bound surface, and fixing the glue on the surface of the bound surface through four holes by using bolts;
s5, after the gluing is finished, if the glue is completely solidified, whether the gluing is successful or not needs to be detected, whether the detection meets the structural reinforcement standard or not is detected, if the detection is passed, an anticorrosive material is coated on the glue, and if the detection is not passed, the glue needs to be disassembled and removed;
and S6, removing the glue by mainly adopting a knife or a grinding wheel to remove larger crystals, and slightly wiping the surface of the glue by adopting an acetone solution to dissolve the crystals.
What needs to be concretely stated in this embodiment is that, the epoxy resin adhesive can be diluted by the operation performed through the above-mentioned flow under the cold weather condition, so that the epoxy resin adhesive is convenient to use in the cold weather condition, and is convenient for users to use.
Referring to fig. 1, the surface treatment should polish the whole attaching surface to be at the same horizontal height and completely treat rust of the attaching surface, and polish the attached surface to be at the same horizontal height to fill up pits of the attached surface.
What need be specifically explain in this embodiment is that through polishing and rust cleaning and benefit whole, can help the binding face can laminate when pasting the steel sheet more closely, through mending, can prevent that the time of laminating the inside air can not discharge and lead to the air admission epoxy glue in to cause the bubble.
Referring to fig. 1, the proportioning glue is proportioned according to two types of a and B one by one, and clockwise and anticlockwise stirring is performed after proportioning is completed.
What needs to be concretely described in this embodiment is that better fusion of the epoxy glue can be realized by proportioning according to a ratio, so that the adhesive force of the epoxy glue is stronger.
Referring to fig. 1, the paste should be coated on the surface layer of the polished and derusted surface, the glue is coated to a thickness of 2mm to ensure that the coated surface is completely covered, and air bubbles formed after coating are removed.
In this embodiment, it should be specifically described that the adhesive should be applied to the surface layer of the polished and derusted surface by applying adhesive, so as to ensure that the attachment is tight and clean and that the attachment can be completed.
Referring to fig. 1, the proportioned glue is heated and a small amount of acetone is added when the proportioned glue is used in winter.
It is specifically noted in this example that the heating and the small amount of acetone in the latex can help the epoxy glue to extrude more smoothly in winter.
Referring to fig. 1, the coating anti-corrosion material should be coated on the surface of the adhered object for polishing and derusting.
In this embodiment, it is specifically noted that the outer layer can be protected from corrosion.
The working principle of the invention is as follows: firstly, carrying out surface treatment on the binding surface of a steel plate, slightly wiping the binding surface of the steel plate with acetone by using a cotton swab or wiping cloth to remove rust on the surface of the binding surface, polishing the rust by using a grinding wheel if the rust area is large, then removing rust by using acetone, and flattening the curved surface of the steel plate by using the grinding wheel to ensure that the binding surface of the steel plate is in a rust-free and flat state, simultaneously cleaning the surface to be reinforced, flattening the binding surface by using a rough surface and filling pits, wherein the rough surface is mainly slightly polished by using the grinding wheel, the filling pits are mainly formed by adding glue and wood chips, slightly polishing the filling position after filling is finished to ensure that the binding surface is in a flat state, and after the surface treatment of the binding surface of the steel plate and the surface treatment of the binding surface of the steel plate are finished, the four corners of the steel bonding plate need to be punched, the glue is required to be proportioned after the preparation work is finished, the glue used for bonding the steel bonding plate is epoxy resin glue, the epoxy resin glue is formed by mixing A glue and B glue, the epoxy resin glue is viscous when being mixed due to weather influence by hands during construction in winter, the epoxy resin glue is difficult to coat after being mixed, a small amount of acetone serving as a diluent can be added into the epoxy resin glue, the epoxy resin glue is heated at the same time, the diluted glue is coated on the binding surface of the steel bonding plate, the binding surface of the steel bonding plate is in close contact with the bound surface, the steel bonding plate is fixed to the surface of the bound surface through four punching holes by using bolts, after the binding is finished, the glue is completely solidified, whether the binding is successfully detected, whether the detection meets the structure reinforcement standard or not, and if the detection passes, an anticorrosive material is coated on the steel bonding plate, if the steel plate passes the detection, the steel plate needs to be detached and the glue is removed, the glue is removed by mainly using a knife or a grinding wheel to remove larger crystals, the surface of the steel plate is lightly wiped by using acetone solution to be dissolved, and the treated steel plate is glued again and attached.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. A construction method for structurally reinforcing and modifying a bonded steel plate comprises surface treatment and is characterized in that: still punch, ratio glue, laminating thing rubber coating, laminate, bolt fastening, detect whether laminating is successful, clear away glue, scribble anticorrosive material, surface treatment is by the binding face including clearance binding face and clearance, clearance binding face mainly with rust cleaning and curved surface mill flat, the clearance is by binding face mainly with rough surface mill flat and hole and mend neatly, ratio glue includes according to the proportion ratio, can heat the glue that has proportioned to 40C and add a small amount of acetone and use according to the proportion ratio, clear away glue and mainly clear away its surperficial glue that solidifies through knife or emery wheel, polish and finish the back and dabber through acetone.
2. The construction method for structurally reinforcing and modifying the bonded steel plate according to claim 1, comprising the following specific steps:
s1, firstly, carrying out surface treatment on the binding surface of a steel plate, slightly wiping the binding surface of the steel plate with acetone by using a cotton swab or wiping cloth to remove rust on the surface of the steel plate, polishing the rust surface by using a grinding wheel if the rust area is large, then removing rust by using acetone, and flattening the curved surface of the steel plate by using the grinding wheel to ensure that the binding surface of the steel plate is in a rust-free and flat state, simultaneously cleaning the surface to be reinforced, flattening the cleaned binding surface by using a rough surface and filling the pits, wherein the rough surface is mainly slightly polished by using the grinding wheel, the filling of the pits is mainly carried out by adding glue and sawdust, and slightly polishing the filling position of the binding surface after filling is finished to ensure that the binding surface is in a flat state.
S2, after the surface treatment of the binding surface of the steel plate and the surface treatment of the binding surface of the bound steel plate are finished, punching is needed to be carried out on four corners of the steel plate.
And S3, after the preparation work is finished, the glue is required to be proportioned, the glue used for adhering the steel plate is usually epoxy resin glue, the glue is formed by mixing A glue and B glue, during construction in winter, due to the influence of weather by hands, the epoxy resin glue is viscous when being mixed, the epoxy resin glue is difficult to paint after being mixed, a small amount of acetone can be added into the epoxy resin glue to serve as a diluent, and meanwhile, the epoxy resin glue is heated.
S4, coating the diluted glue on the binding surface of the steel plate, enabling the binding surface to be in close contact with the bound surface, and fixing the glue on the surface of the bound surface through four holes by using bolts.
And S5, after the glue is completely solidified, whether the glue is successfully adhered or not and whether the glue meets the structural reinforcement standard or not are detected, if the glue passes the detection, an anticorrosive material is coated on the glue, and if the glue does not pass the detection, the glue is required to be detached and removed.
And S6, removing the glue by mainly adopting a knife or a grinding wheel to remove larger crystals, and slightly wiping the surface of the glue by adopting an acetone solution to dissolve the crystals.
3. The construction method for improving the bonded steel plate through structural reinforcement according to claim 1, wherein the construction method comprises the following steps: the surface treatment is to polish the whole binding face to be at the same horizontal height and completely treat rusts of the binding face, and to polish the bound face to be at the same horizontal height and fill pits of the bound face.
4. The construction method for improving the bonded steel plate through structural reinforcement according to claim 1, wherein the construction method comprises the following steps: the proportioning glue is proportioned according to two types A and B one by one, and clockwise and anticlockwise stirring is carried out after proportioning is finished.
5. The construction method for improving the bonded steel plate through structural reinforcement according to claim 1, wherein the construction method comprises the following steps: the gluing of the laminating object is to coat the surface layer of one polished and derusted surface, the glue is coated to the thickness of 2mm, the gluing surface is ensured to be completely covered, and air bubbles formed after gluing are removed.
6. The construction method for improving the bonded steel plate through structural reinforcement according to claim 1, wherein the construction method comprises the following steps: when the proportioning glue is used in winter, the proportioned glue is heated and a small amount of acetone is added.
7. The construction method for improving the bonded steel plate through the structural reinforcement as claimed in claim 1, wherein the construction method comprises the following steps: the pattern coating anticorrosive material is coated on the surface of a bonding object for polishing and derusting.
CN202210930690.5A 2022-08-04 2022-08-04 Construction method for modifying bonded steel plate through structural reinforcement Pending CN115234028A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088490A (en) * 2001-05-17 2002-11-29 (주)엠프로 Panel for reinforcing conc'c body and reinforcing method using the same
CN103758358A (en) * 2014-01-06 2014-04-30 北京筑福国际工程技术有限责任公司 Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method
CN109367049A (en) * 2018-10-25 2019-02-22 西安长峰机电研究所 A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process
CN111677324A (en) * 2020-06-17 2020-09-18 广东精特建设工程有限公司 Construction method for modifying bonded steel plate through structural reinforcement
CN111719442A (en) * 2020-03-21 2020-09-29 东莞市大乘建筑工程技术有限公司 Construction process for reinforcing concrete-bonded steel plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088490A (en) * 2001-05-17 2002-11-29 (주)엠프로 Panel for reinforcing conc'c body and reinforcing method using the same
CN103758358A (en) * 2014-01-06 2014-04-30 北京筑福国际工程技术有限责任公司 Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method
CN109367049A (en) * 2018-10-25 2019-02-22 西安长峰机电研究所 A kind of environment-friendly epoxy glass fiber reinforced plastics composite material and its bonding process
CN111719442A (en) * 2020-03-21 2020-09-29 东莞市大乘建筑工程技术有限公司 Construction process for reinforcing concrete-bonded steel plate
CN111677324A (en) * 2020-06-17 2020-09-18 广东精特建设工程有限公司 Construction method for modifying bonded steel plate through structural reinforcement

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