CN101864843B - Method for repairing floriation and linellae of granitic plaster on historical building - Google Patents
Method for repairing floriation and linellae of granitic plaster on historical building Download PDFInfo
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- CN101864843B CN101864843B CN200910061597XA CN200910061597A CN101864843B CN 101864843 B CN101864843 B CN 101864843B CN 200910061597X A CN200910061597X A CN 200910061597XA CN 200910061597 A CN200910061597 A CN 200910061597A CN 101864843 B CN101864843 B CN 101864843B
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Abstract
The invention discloses a method for repairing floriation and linellae of granitic plaster on a historical building. The method comprises the following steps: A, determining positions of the floriation and the linellae of an outer wall which are distributed on the surface of the building; B, carrying out on-site sampling, and analyzing types of the carpolites of the granitic plaster; C, eradicating dustpelts and early-repairing layers, which are adhered to the floriation and the linellae by using an air shovel; D, sandblasting by using a sandblaster to remove residual materials; E, soaking the floriation and the linellae of the granitic plaster with water, washing by using a delicate metal brush to clean floating dusts; F, enlarging a crack of a basic layer at the crack position to be in a groove shape by using a groove enlarging device or a steel chisel, embedding a grouting pipe in a drill hole, and cleaning the floating dusts in the groove; G, after completing the step F, spraying a stone protective liquid on the surface of the floriation to seal micro-pore spaces on the surface of the floriation; and H, protecting the finished products, i.e. completely sealing the catagenetic floriation and linellae by using a plastic thin film and then repairing the linellae and the floriation. The invention has the advantages of practicable method, simple operation and high reliability. By using the method, the linellae and the floriation can repaired to be the same as before, historical culture information can be truly and completely maintained.
Description
Technical field
The present invention relates to skin and decorate recovery technique, more specifically relate to the method that floriation and linellae of granitic plaster on historical building is repaired.
Background technology
Granitic plaster is owing to have lithotome texture, and color and luster is solemnly attractive in appearance, and facing is firm durable, and is colour-fast, also more resistant to pollution characteristics, overwrought and this construction technology of the more employing of lines of decorative pattern on historical building in modern age wall face or the pillar.But nature and the artificial influence that waits complicated factor, hollowing appears in major part, cracking, come off, phenomenons such as pollution, and decorative pattern is overwrought and lines have relatively been embodied a concentrated reflection of the history of building, the feature of culture and art, has very high history, technology and aesthetic values, more and more caused the concern of society, early stage restorative procedure is to adopt cement, be coated with the material of material products, technology is repaired, make the effect after repairing not have reversibility, make overwrought soft edges of some exquisite decorative patterns on the exterior wall of these outstanding historical buildings, lines are unintelligible, even some building elements are capped and make its disappearance, can't truly reflect art of building level at that time, therefore need a kind of historical building granitic plaster floriation of invention, the method that lines are repaired, the early stage repair materials that rejecting is adhered to, former shading is leant out, local surfaces is damaged, disappearance carry out the Echtheit reparation according to existing, make these outstanding historical building style and features vicissitudes still, recover their primary form.
Summary of the invention
The objective of the invention is to be to provide a kind of method of floriation and linellae of granitic plaster on historical building reparation, easy to implement the method, simple to operation, reach reparation as before, keep its history culture information truely and completely.
To achieve these goals, the method for historical building granitic plaster floriation of the present invention, lines reparation adopts following technical measures, the steps include:
1, determine that floriation, lines are distributed in the position of building surface, moulding, size, and put in order written, take pictures and stay shelves.
2, field sampling, the color of observation sample cement, manufacturer provides the epoxy radicals coloured cement of similar color by the color of sample cement; And overanxious by 7mm * 7mm, 5mm * 5m, three grades of screen clothes of 3mm * 3mm, determine grading of aggregate, analyze the tectonic relationship of floriation, lines and basic unit simultaneously.
3, use pneumatic chipping hammer to root out the dirt skin and the early stage repair layer of bowing on floriation, lines substantially.
4, the dirt skin on use sand-blasting gun sandblast removal step 3 floriation, the lines and the residue of early stage repair layer.As can not thoroughly removing, return step 3.
5, after dirt skin on floriation, the lines and early stage repair layer were removed, the fully drenched granitic plaster floriation of first water, lines were scrubbed 1 ~ 2 time the floating dust of cleaning step 4 again with soft metal brush.Local black fouling products uses carbonization ammonium viscous fluid (20% aqueous solution) to clean earlier; The inviscid deposit of local surfaces uses 15% carbonization ammonium concentrate cleaning earlier; The high polyester compound of organic coating class cleans with acetone, nitro solvent or paint remover (chlorine (generation) methane) equal solvent; Local rust staining adopts 1% ~ 5% dichloride ammonium to clean.Use giant to cooperate flushing repeatedly in the cleaning process, until stone cleaning surfaces, noresidue.
6, the crack of base course crack, the place expands into channel form with slot expansion device or clink in the crack, and Grouting Pipe is buried in boring underground, and removes the floating ash at groove place with air pump.After the drying, it is flat to basic unit's face, after 2～3 days, by Grouting Pipe injection ring epoxy resins to fill out the embedding groove with epoxy putty.External crack adopts syringe injecting structure glue to repair.
Local surfaces damaged or after basic unit, external crack handle, adopt epoxy gas coloured cement preparation granitic plaster slurry (for the public general knowledge of those of ordinary skill in the art) to repair.With the rock ballast surface layer of having smeared the compacting of clapping, and cement paste taken, the water brush dips in water cement paste is brushed away, again compacting is very smooth, carries out repeatedly 3～4 times, treats that surface layer begins initial set, refer to press down seamless, water brush brush does not fall the stone grain and is as the criterion, dip in again water brush away bleeding cement, from top to bottom hydroblasting until surface water mud rinse well expose rock ballast after, watering with little kettle washes down the rock ballast surface.During disappearance, for the employing gypsum of disappearance imitated after, with 501 molded silicon rubbers plaster mould external coating 3 ~ 4 times, turn over mold forming, adopt 4# iron wire woven bone to mount in the silica gel mould, the high emulation granitic plaster slurry of the data of 2 field sampling analyses preparation is built vibration compacting set by step.Treat to be pressed into nothing obviously recessed phenomenon, the i.e. demoulding with the suitable power of finger after the slurry initial set.After scrubbing with clear water, shelve shady and cool place and carry out maintenance to certain intensity.During stickup, to paste the position earlier polishes flat, cleans up, join 801 glue (cement consumption 10%) with the epoxy radicals coloured cement more prefabricated high emulation granitic plaster floriation, lines member are adhesively fixed, seam crossing adopts high emulation granitic plaster slurry to repair, and scrubs moulding with clear water after the initial set.
7, spray CHJ silica water-based protective agent.After step 6 was finished 7 days, spray protective agent 2 times, the confining surface fine pore at floriation, lines face.Before spraying protective liquid, metope should be dry dustless, adopts air compressor machine that the surface is blown clean in case of necessity.
8, finished product protection: the floriation of restoration of old ways and lines carry out the floriation at another position, the reparation of lines after adopting the plastic sheeting complete closed.
The present invention compared with prior art has the following advantages and effect:
1, job practices is easily gone, and is simple to operation, the reliability height.
2, can evenly remove attached to dirt skin on old building granitic plaster wall face floriation, the line plastic and early stage reparation increase layer (as coating, a whitewashing), and not damage the old human body material of building.
3, by to the field sampling analysis, prepare high emulation granitic plaster slurry and repair and turn over the reparation of mould Echtheit, reach reparation as before, keep its history culture information truely and completely.
The specific embodiment
Adopt pneumatic chipping hammer and sand-blasting machine to reject, scrub and join giant and rinse well repeatedly with soft metal brush or chemical material attached to behind dirt skin on former granitic plaster floriation, the lines and the early stage repair layer.
The crack of base course crack, the place expands into channel form in the crack, and Grouting Pipe is buried in boring underground, fills out the flat basic unit of embedding groove face with epoxy putty again.After 2～3 days, be pressed into epoxy resin by Grouting Pipe.External crack adopts syringe injecting structure glue to repair.Local surfaces damaged or crack treatment intact after, adopt epoxy radicals coloured cement preparation granitic plaster slurry to repair.During floriation, lines disappearance, turn over mould earlier, install after building the high emulation granitic plaster sizing material forming for preparing again.The method that a kind of floriation and linellae of granitic plaster on historical building is repaired, its step is as follows:
1, determine that exterior wall floriation, lines are distributed in the position of building surface, moulding, size, and put in order written, take pictures and stay shelves.
2, carry out field sampling, analyze the ratio of granitic plaster stone type, granular size, stone and cement, the color of observation cement etc., analyze the annexation of floriation, lines and basic unit simultaneously.
3, root out the dirt skin and the early stage repair layer of bowing on the floriation lines with pneumatic chipping hammer, dirt skin and repair layer come off substantially and are advisable, and must not destroy original layers.Pneumatic chipping hammer should correspondingly be adjusted the dynamics of pneumatic chipping hammer frequency of impact and hand-held pneumatic chipping hammer according to the adhesive strength of concrete position and early stage repair layer.Root out in the process, the degree of old human body material is goed deep in strict control, and it is good that, nothing clear with surperficial stone grain fallen a phenomenon, and spear must not contact floriation, lines face, and distance should be greater than more than the 1mm.
4, earlier each is intended the sandblast position and carry out carrying out the model construction behind the strength assessment, determine different parts, sand-blasting gun is apart from metope distance and suitable angle under the different shaping constant voltage situation, and sandblast is appeared the granitic plaster aggregate in one's mind and is advisable.Sand adopts 46～100 orders palm fibre emery, uses the sand-blasting gun ejection, and pressure is 0.7,0.8,0.9 or 1.0MPa.The residue of step 3 is removed in sandblast, and is not thorough as removing, and returns step 3 and handles again.
After dirt skin on 5 floriations, the lines and early stage repair layer were removed, the fully drenched granitic plaster floriation of first water, lines were scrubbed 1 ~ 2 time the floating dust of cleaning step 4 again with soft metal brush.Local black fouling products uses carbonization ammonium viscous fluid (20% aqueous solution) to act on cleaning in 24 hours thereon earlier; The inviscid deposit of local surfaces uses 15% carbonization ammonium concentrate cleaning 6 hours action time thereon earlier; The high polyester compound of organic coating (amine baking varnish, synthetic resin coating) class acts on cleaning in 20 ~ 30 minutes with acetone, nitro solvent or paint remover (chlorine (generation) methane) equal solvent on dirt; Local rust staining adopts 1% ~ 5% dichloride ammonium to clean.In cleaning process, giant cooperates flushing repeatedly, until stone cleaning surfaces, noresidue.Before flushing, floriation, lines bearing capacity are assessed, in time adjusted the hydraulic pressure size, original layers is destroyed preventing.
6, discrimination analysis need be carried out before repairing in the crack on floriation, the lines, determines the cracking reason.
Be defined as base course crack and then at first basic unit handled, the place expands into channel form with slot expansion device or clink in the crack, and Grouting Pipe is buried in boring underground, Grouting Pipe flat basic side suitable for reading, and remove the floating ash at groove place with air pump.After the drying, it is flat to basic unit's face, after 2～3 days, by Grouting Pipe injection ring epoxy resins to fill out the embedding groove with epoxy putty; Be defined as external crack and then at first the crack cleaned out, adopt syringe injecting structure glue to repair.
When local surfaces is damaged or crack treatment intact after, prepare the approximate aggregate of former floriation and lines granitic plaster aggregate it repaired, cement adopts 42.5 ordinary portland cements and epoxy radicals coloured cement.
With the rock ballast surface layer of having smeared the compacting of clapping, become cement paste to take it, the water brush dips in water cement paste is brushed away, and compacting is very smooth again, carries out repeatedly 3～4 times, treats that surface layer begins initial set, refers to press down seamless, and water brush brush does not fall the stone grain and is as the criterion.One human brush dips in water and brushes away cement paste, and a people is followed by with the shower nozzle of handlance hydroblasting from top to bottom, and shower nozzle is generally apart from metope 10～20cm, surface water mud rinse well expose rock ballast after, watering with little kettle at last washes down the rock ballast surface.
Floriation when disappearance, after the floriation of disappearance adopts gypsum imitated, with 501 molded silicon rubbers external coating 3 ~ 4 times, turn over mold forming, adopt 4#, 5#, 6# or 7# iron wire woven bone to mount in the silica gel mould, build the high emulation granitic plaster slurry for preparing, vibration compacting.Treat to adopt the suitable power of finger to be pressed into the obviously recessed phenomenon of nothing after the slurry initial set, it is the demoulding, after scrubbing with clear water, shelve shady and cool place and carry out maintenance to M15 intensity, the installation position is polished flat, cleans up, join 801 glue (cement consumption 10%) with the epoxy radicals coloured cement prefabricated high emulation granitic plaster floriation, lines member are adhesively fixed, seam crossing adopts the granitic plaster slurry to repair, and scrubs moulding with clear water after the initial set.Should be firm safely after the installation, link reliable.
7, after step 6 was finished 7 days, spray CHJ silica water-based protective agent 2 times at floriation, lines face, every all over the 30m2/ kilogram, stone protectant is selected common osmosis type water-based for use, the confining surface fine pore, prevent rainwater, dust, moisture vapour transmission, avoid under the influence of expanding with heat and contract with cold, producing surperficial decohere phenomenon.Guarantee that the metope drying is dustless before spraying protective agent, adopt air compressor machine that the surface is blown clean in case of necessity.
8, finished product protection: the floriation of restoration of old ways and lines carry out the reparation of the floriation lines at another position, repeating step 3,4,5,6,7 after adopting the plastic sheeting complete closed.
Claims (1)
1. the method that historical building granitic plaster floriation, lines are repaired the steps include:
A, determine that exterior wall floriation, lines are distributed in the position of building surface, moulding, size, put in order written, take pictures and stay shelves;
B, carry out field sampling, analyze granitic plaster stone type, granular size, stone and the ratio of cement, the color of observation cement, analyze the structural type of floriation lines and basic unit simultaneously;
C, root out dirt skin and the early stage repair layer that is attached on floriation, the lines with pneumatic chipping hammer;
The residue of step C is removed in D, sand-blasting gun sandblast;
E, the drenched granitic plaster floriation of first water, lines are scrubbed 1～2 time with soft metal brush again, and the floating dust of cleaning step D, black fouling products use 20% carbonization aqueous ammonium cleaning earlier; The inviscid deposit in surface uses 15% carbonization aqueous ammonium cleaning earlier; The high polyester compound of organic coating class is earlier with acetone, nitro solvent or paint remover solvent clean; Rust staining adopts the dichloride aqueous ammonium of 1%-5% to clean earlier, uses giant to cooperate flushing repeatedly in the cleaning process, until stone cleaning surfaces, noresidue;
F, the crack of handling base course crack, the place expands into channel form with slot expansion device or clink in the crack, Grouting Pipe is buried in boring underground, and remove the floating ash at groove place with air pump, after the drying, it is flat to basic unit's face, after 2～3 days to fill out the embedding groove with epoxy putty, inject epoxy resin grout by Grouting Pipe, external crack adopts syringe injecting structure glue to repair; During the floriation disappearance, after the floriation of disappearance, lines adopt gypsum imitated, with 501 molded silicon rubbers plaster mould external coating 3～4 times, turn over mold forming, adopt the iron wire woven bone to mount in the silica gel mould, build the high emulation granitic plaster slurry for preparing, vibration compacting, after scrubbing with clear water, shelve shady and cool place and carry out maintenance, be installed in the disappearance position;
After G, step F are finished 7 days, spray CHJ silica water-based protective agent 2 times at the floriation face, the confining surface fine pore;
H, finished product protection: the floriation of restoration of old ways and lines carry out the reparation of the floriation lines at another position, repeating step C, D, E, F, G after adopting plastic membrane sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910061597XA CN101864843B (en) | 2009-04-14 | 2009-04-14 | Method for repairing floriation and linellae of granitic plaster on historical building |
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| CN200910061597XA CN101864843B (en) | 2009-04-14 | 2009-04-14 | Method for repairing floriation and linellae of granitic plaster on historical building |
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| CN101864843B true CN101864843B (en) | 2011-08-17 |
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| CN102691423B (en) * | 2012-06-12 | 2014-11-12 | 武汉建工股份有限公司 | Construction method for duplicating soft mould and installing building granitic plaster floriation member |
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| CN111749484B (en) * | 2020-07-13 | 2021-07-30 | 上海住总集团建设发展有限公司 | Method for cleaning covering |
| CN113482390A (en) * | 2021-07-22 | 2021-10-08 | 湖北优力帮生态涂料有限公司 | Wall surface repairing method |
| CN113982209A (en) * | 2021-09-28 | 2022-01-28 | 上海建为历保科技股份有限公司 | Method for controlling stone-like wall surface appearance quality |
| CN114102938A (en) * | 2021-11-16 | 2022-03-01 | 贵州电网有限责任公司 | Method for rapid modeling and repairing damage of porcelain insulator of power equipment |
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