CN103145397B - Rapid repair material based on building broken stones and preparation method thereof - Google Patents
Rapid repair material based on building broken stones and preparation method thereof Download PDFInfo
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- CN103145397B CN103145397B CN201310060630.3A CN201310060630A CN103145397B CN 103145397 B CN103145397 B CN 103145397B CN 201310060630 A CN201310060630 A CN 201310060630A CN 103145397 B CN103145397 B CN 103145397B
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- 239000000463 material Substances 0.000 title claims abstract description 120
- 239000004575 stone Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 230000008439 repair process Effects 0.000 title abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 65
- 239000004576 sand Substances 0.000 claims abstract description 54
- 239000004568 cement Substances 0.000 claims abstract description 51
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 claims abstract description 41
- 239000004137 magnesium phosphate Substances 0.000 claims abstract description 41
- 229960002261 magnesium phosphate Drugs 0.000 claims abstract description 41
- 229910000157 magnesium phosphate Inorganic materials 0.000 claims abstract description 41
- 235000010994 magnesium phosphates Nutrition 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims description 34
- 239000004579 marble Substances 0.000 claims description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 25
- 239000010703 silicon Substances 0.000 claims description 25
- 239000010445 mica Substances 0.000 claims description 20
- 229910052618 mica group Inorganic materials 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 claims description 18
- 239000004743 Polypropylene Substances 0.000 claims description 17
- -1 polypropylene Polymers 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000001879 gelation Methods 0.000 abstract 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 3
- 238000007711 solidification Methods 0.000 abstract 3
- 230000008023 solidification Effects 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 32
- 239000000843 powder Substances 0.000 description 21
- 229910021538 borax Inorganic materials 0.000 description 19
- 239000000395 magnesium oxide Substances 0.000 description 19
- 239000004328 sodium tetraborate Substances 0.000 description 19
- 235000010339 sodium tetraborate Nutrition 0.000 description 19
- 150000003016 phosphoric acids Chemical class 0.000 description 16
- 239000010881 fly ash Substances 0.000 description 14
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 9
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000010438 granite Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002426 superphosphate Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- YQRTZUSEPDULET-UHFFFAOYSA-K magnesium;potassium;phosphate Chemical compound [Mg+2].[K+].[O-]P([O-])([O-])=O YQRTZUSEPDULET-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- TWHXWYVOWJCXSI-UHFFFAOYSA-N phosphoric acid;hydrate Chemical compound O.OP(O)(O)=O TWHXWYVOWJCXSI-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
The invention relates to building stone repairing. A rapid repair material based on building broken stones comprises a gelation mixture which quickly solidifies with water, wherein the gelation mixture comprises the following components in parts by weight: 40-55 parts of magnesium phosphate cement, 40-50 parts of sand and 10-15 parts of silica sol. A preparation method of the materials comprises the following steps of: 1, preparing the magnesium phosphate cement; 2, mixing the magnesium phosphate cement, the sand and the silica sol so as to form the gelation mixture which comprises the following components in parts by weight: 40-55 parts of magnesium phosphate cement, 40-50 parts of sand and 10-15 parts of silica sol. The gelation mixture can be quickly solidified with the water to repair the stones. In addition, the gelation mixture is gelatineous before being solidified and facilitates construction; after the solidification, the small solidification shrinkage rate and a durable effect are obtained; and the repair material has high hardness and good water resistance after the solidification.
Description
Technical field
The present invention relates to the reparation of buildings stone material, be specifically related to the material that a kind of stone material is repaired use.
Background technology
In store a large amount of stone matter buildings in domestic ancient architecture, as carve exquisite stylobate made of stones, railing, the high ornamental column stone column standing, huge stone tablet, white marble stone bridge etc.Development, growth in the living standard along with social progress, science and technology, in the modern life, people also start with graceful lithotome attractive in appearance, as finishing material, to beautify the living environment and Working environment widely, as decorated house, hotel, office building, station, terminal, market, theater etc.
On some stone surfaces, have sand hole and pit, some stone materials have crack or the crack of natural formation, and some stone materials can cause breakage, disconnected rib or unfilled corner in carrying, processing and use procedure.These reasons all can cause the damage of stone material above, and the outward appearance of stone matter building is damaged.Natural stone resource is rare, and price comparison is expensive, and the overexploitation of lithotome is by the destruction of causing physical environment
The progress of science and technology makes people start the reparation of lithotome to study, and to making full use of rock material resource, reduces the exploitation of massif and destruction, thereby alleviates the destruction to environment, and response builds resource-conserving and friendly environment society's policy.
The reparation of historical relic requires " restoring the old as the old ", and does not allow to pollute and destroy historical relic; Reparation to modern masonry work, also requirement reaches the aesthetic of original material; Therefore the work-ing life of patching material, outward appearance, physics or chemical property are had to higher requirement.As reparation or the repairerment of the aspects such as ancient stone building, ancient stone carving and stone inscription, ancient stone implement tool.
Patching material, from service requirements, must possess following characteristics simultaneously: the one, after solidifying, can keep the original Aesthetic Characteristics of lithotome; The 2nd, can fast setting under room temperature condition, moulding; The 3rd, cohesive strength is high, cure shrinkage is little; The 4th, after solidifying formation, patching material hardness is larger, water-tolerant, and the 5th, even through processes rear surfaces such as polishings at stone surface, planeness, glossiness are high.
Existing patching material kind is more, mostly is organic adhesion agent, as resene organic materials, repairs inconvenient, mending course volatile matter existence harm, therefore there is further improved necessity but still exist.
Summary of the invention
The object of the present invention is to provide a kind of fast repairing material based on damaged stone material in building, this patching material can be repaired for conventional all kinds of lithotomes in building.
The present invention also aims to provide the preparation method of above-mentioned patching material, to solve the problems of the technologies described above.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of fast repairing material based on damaged stone material in building, it is characterized in that, comprise one with the quick-setting gelling mixture of water, in described gelling mixture, contain magnesium phosphate cement, sand, silicon sol, if described gelling mixture quality is 100 parts, described magnesium phosphate cement is 40-55 part, and described sand is 40-50 part, and described silicon sol is 10-15 part.Gelling mixture is met water can be fast curing-formed to realize the repairing of stone material.In addition gelling mixture is gluey before solidifying, and constructs convenient; After solidifying, cure shrinkage is little and effect is lasting; After solidifying formation, patching material hardness is large, water-tolerant.
For improving the performance of material, in described gelling mixture, also contain polypropylene fibre, cellulosic fibre, described polypropylene fibre is 1-2 part, described cellulosic fibre is 1-3 part; In described gelling mixture, also contain dispersion agent, described dispersion agent is 1-3 part.It is more even that dispersion agent is conducive to make gelling mixture to mix.
The described fast repairing material based on damaged stone material in building is the white marble patching material of repairing for white marble, and described sand is white marble stone sand; In the gelling mixture of described white marble patching material, also contain white mica sheet; The gelling mixture of described white marble patching material contains magnesium phosphate cement 40-50 part, white marble stone sand 40-50 part, white mica sheet 1-10 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
The described fast repairing material based on damaged stone material in building is the marble patching material of repairing for marble, and described sand is Dali stone sand; In the gelling mixture of described marble patching material, also contain black sheet mica, river sand, rubber powder; The gelling mixture of described marble patching material contains magnesium phosphate cement 40-50 part, rubber powder 2-10 part, Dali stone sand 20-30 part, river sand 20-30 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, black sheet mica 5-8 part, silicon sol 10-15 part, dispersion agent 1-3 part.
The described fast repairing material based on damaged stone material in building is the grouan patching material of repairing for grouan, and described sand is granite sand; In the gelling mixture of described grouan patching material, also contain flyash, grey sheet mica, river sand, rubber powder; The gelling mixture of described grouan patching material contains magnesium phosphate cement 50-55 part, rubber powder 0-5 part, granite sand 20-30 part, river sand 15-20 part, flyash 3-10 part, grey sheet mica 5-8 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
The described fast repairing material based on damaged stone material in building is the bluestone board patching material of repairing for bluestone board, also contains flyash in the gelling mixture of described bluestone board patching material; The gelling mixture of described bluestone board patching material contains magnesium phosphate cement 45-50 part, flyash 15-20 part, sand 30-45, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
In gelling mixture, be also mixed with high-alumina cement, high-alumina cement is 10 parts ~ 20 parts.
Based on the fast repairing material of damaged stone material in building, also comprise a water, described water and gelling mixture are used after according to mass ratio 25:100-40:100 mix.
Preparation method based on the fast repairing material of damaged stone material in building, the first step, makes magnesium phosphate cement, it is characterized in that, and magnesium phosphate cement is mixed by phosphoric acid salt, magnesia powder and borax; Second step, mixes magnesium phosphate cement, sand, silicon sol to make gelling mixture, and establishing described gelling mixture quality is 100 parts, and described magnesium phosphate cement is 40-55 part, and described sand is 40-50 part, and described silicon sol is 10-15 part.
In magnesium phosphate cement, contain phosphoric acid salt, magnesia powder and borax, by phosphoric acid salt and borax use respectively drying facility drying treatment to phosphoric acid salt temperature and borax temperature higher than the above 10-20 ℃ of local top temperature in summer; The phosphoric acid salt that drying treatment is crossed and borax are crossed respectively standard square hole sieve, screen out more slightly, harder particle; By the borax of processing superphosphate, processing and magnesium oxide in mass ratio 30-40:10-20:40-50 coordinate, make magnesium phosphate cement.
The advantage of this material is:
1 time of coagulation is short, can reach the object of Rapid-Repair stone material, and energy is adjustable between 5 ~ 30min its time of coagulation;
2 and damaged stone matter base material between cohesive strength high, more than 1d cohesive strength can reach 4MPa;
3 early strengths are high, and the anti-folding of 1h and ultimate compression strength can reach 3MPa and 20MPa respectively;
4 good fluidities, its degree of mobilization can reach 200-280mm;
5 volume stabilities are better, and its 28d maintenance shrinking percentage is only 2.56 * 10
-5;
6 good endurance, wear resistance, frost resistance, anti-carbonization ability can reach the requirement of stone materials material;
7 its mechanical strengths, snappiness, mobility can regulate according to the repairing demand of different damaged form;
8 without adopting any special measures to carry out health, natural curing under drying conditions;
9 preparation technologies are simple.
The handling characteristics of this material is, the regulation range of its time of coagulation is between 5 ~ 30min, and the control method of time of coagulation, can realize by two kinds of methods: first method is that two kinds of phosphoric acid salt are joined with different mol ratio ginsengs; Second method is to adopt microwave heating equipment, by adjusting, controls the temperature that microwave heating equipment regulates patching material, and it is rate of set that the height of temperature directly causes patching material hydration rate.
The advantage that this material is repaired building stone is: color can regulate arbitrarily to adapt to most stone material; Mechanics, physicals can regulate according to concrete stone material damage type; More important point is that this material can carry out level or vertically subsidize the breakage of any position, and instant-forming, does not need support template.
Embodiment
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
A kind of fast repairing material based on damaged stone material in building, comprise one with the quick-setting gelling mixture of water, in gelling mixture, contain magnesium phosphate cement, sand, silicon sol, if gelling mixture quality is 100 parts, magnesium phosphate cement is 40-55 part, sand is 40-50 part, and silicon sol is 10-15 part.Gelling mixture and water can fast curing-formedly be realized the repairing of stone material.In addition gelling mixture is gluey before solidifying, and constructs convenient; After solidifying, cure shrinkage is little and effect is lasting; After solidifying formation, patching material hardness is large, water-tolerant.
Based on the fast repairing material of damaged stone material in building, also comprise a water, water and gelling mixture are used after according to mass ratio 25:100～40:100 mix.For improving the performance of material, in gelling mixture, also contain polypropylene fibre, cellulosic fibre, polypropylene fibre is 1-2 part, cellulosic fibre is 1-3 part.More even in order to be gelling mixture mixing, in gelling mixture, also contain dispersion agent, dispersion agent is 1-3 part.
Fast repairing material based on damaged stone material in building is the white marble patching material of repairing for white marble, and sand is white marble stone sand.In the gelling mixture of white marble patching material, can also contain white mica sheet, white mica sheet is 0-10 part.As a kind of preferred version, the gelling mixture of white marble patching material contains magnesium phosphate cement 40-50 part, white marble stone sand 40-50 part, white mica sheet 0-10 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
Fast repairing material based on damaged stone material in building is the marble patching material of repairing for marble, and sand is Dali stone sand.In the gelling mixture of marble patching material, can also contain black sheet mica, black sheet mica is 5-8 part.In the gelling mixture of marble patching material, can also contain river sand, river sand is 20-30 part.In the gelling mixture of marble patching material, can also contain rubber powder, rubber powder is 2-10 part.As a kind of preferred version, the gelling mixture of marble patching material contains magnesium phosphate cement 40-50 part, rubber powder 2-10 part, Dali stone sand 20-30 part, river sand 20-30 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, black sheet mica 5-8 part, silicon sol 10-15 part, dispersion agent 1-3 part.
Fast repairing material based on damaged stone material in building is the grouan patching material of repairing for grouan, and sand is granite sand.In the gelling mixture of grouan patching material, can also contain flyash, flyash is 3-10 part.In the gelling mixture of grouan patching material, can also contain grey sheet mica, grey sheet mica is 5-8 part.In the gelling mixture of grouan patching material, can also contain river sand, river sand is 15-20 part.In the gelling mixture of grouan patching material, can also contain rubber powder, rubber powder is 1-5 part.As a kind of preferred version, the gelling mixture of grouan patching material contains magnesium phosphate cement 50-55 part, rubber powder 0-5 part, granite sand 20-30 part, river sand 15-20 part, flyash 3-10 part, grey sheet mica 5-8 part, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
Fast repairing material based on damaged stone material in building is the bluestone board patching material of repairing for bluestone board, and sand is 30-45 part.In the gelling mixture of bluestone board patching material, can also contain flyash, flyash is 15-20 part.As a kind of preferred version, the gelling mixture of bluestone board patching material contains magnesium phosphate cement 45-50 part, flyash 15-20 part, sand 30-45, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, silicon sol 10-15 part, dispersion agent 1-3 part.
Magnesia powder is preferably by magnesite reheating and forms.Flyash is preferably I level ash or II level ash, concrete technical requirement meet < < in flyash (GBT1596-2005) the > > of cement and concrete about the technical requirements of I level ash or II level ash.Borax molecular formula is Na
2b
4o
710H
2o, rank is preferably technical grade rubber powder can adopt different fineness according to actual needs.The consumption of water is according to different mobility and requirement of strength, and " water " is for meeting the clean water of < < JGJ63-2006 the reinforcement of concrete water quality standard > >.In gelling mixture, can also be mixed with high-alumina cement, high-alumina cement is 10 parts ~ 20 parts.
Preparation method based on the fast repairing material of damaged stone material in building, the first step, makes magnesium phosphate cement, and magnesium phosphate cement is made by phosphoric acid salt, magnesia powder and the large component of borax three, and this three large component is arranged in pairs or groups with certain proportion; Second step, mixes magnesium phosphate cement, sand, silicon sol to make gelling mixture, and establishing gelling mixture quality is 100 parts, and magnesium phosphate cement is 40-55 part, and sand is 40-50 part, and silicon sol is 10-15 part.Magnesium phosphate cement, sand, silicon sol can be mixed by dry powder blender.
As a kind of preferred version, in magnesium phosphate cement, contain phosphoric acid salt, magnesia powder and borax.By phosphoric acid salt and borax use respectively drying facility drying treatment to phosphoric acid salt temperature and borax temperature higher than the above 10-20 ℃ of local top temperature in summer; The phosphoric acid salt that drying treatment is crossed and borax are crossed respectively standard square hole sieve, screen out more slightly, harder particle; By the borax of processing superphosphate, processing and magnesium oxide in mass ratio 30-40:10-20:40-50 coordinate, make magnesium phosphate cement.
Phosphoric acid salt is preferably potassium primary phosphate.In magnesium phosphate cement, potassium primary phosphate is preferably technical grade, and purity is 99.8%; Magnesium oxide purity is preferably 85%.First, potassium primary phosphate and borax are used respectively to drying facility drying treatment 12h, temperature is 50 ℃; The potassium primary phosphate being dried and borax are crossed respectively to 150 μ m square hole sieves, guarantee that screen over-size is no more than 10%; The potassium primary phosphate of processing and borax are deposited separately under sealing, dry condition, and each component coordinates and can be prepared into magnesium phosphate cement by suitable proportion.
Borax is preferably as technical grade, and purity is 95%.Borax is the conventional retardant of magnesium phosphate cement, and borax dissolves the B generating
4o
7 2-be adsorbed onto rapidly MgO particle surface, form one deck with B
4o
7 2-and Mg
2+be main hydrated product layer, hindered dissolving and the K of MgO
+, PO
4 3-with contacting of MgO particle, reach the object to magnesium phosphate cement slow setting.
The water-soluble aobvious acidity of phosphoric acid salt, the water-soluble aobvious alkalescence of magnesium oxide, the hydration reaction of magnesium phosphate cement is that to take phosphoric acid salt and magnesium oxide be main acid-base neutralisation reaction.After magnesium phosphate cement and water mix, the phosphoric acid salt in magnesium phosphate cement is first soluble in water, and will ionize rapidly generation H
+and PO
4 3-, make solution be slightly acidic; Under solutions of weak acidity, MgO dissolves and produces Mg
2+, dissolve and be diffused into the Mg in liquid phase
2+with K
+, PO
4 3-reaction generates unbodied magnesium-potassiumphosphate complex compound aquation gel, i.e. phosphoric acid salt hydrated product MgKPO rapidly
4.6H
2o.Along with the carrying out of reaction, product is crystallization gradually.
Because magnesium oxide in system is superfluous, the product of separating out just covers mgo surface, forms one deck hydrated product film magnesia particle is closely connected to one.Along with the continuation of reaction, the K+ in solution and PO
4 3-progressively see through hydrated product membrane permeation to MgO particle surface, form more hydrated product, crystallization produces volumetric expansion and causes hydrated product film rupture.MgO is exposed to again in acidic solution, and hydration reaction speed is accelerated again, generates a large amount of hydrated products.Along with being on the increase of hydrate, contact and adhesion make magnesium phosphate cement slurry become one to take the crystalline texture net that MgO particle is main binding material as framework, the phosphoric acid salt hydrate of take each other, thereby make magnesium phosphate cement be hardened to the very hardenite of strong mechanical performance.
The concrete formula of this product and using method depend on the disease form for the treatment of repairing area, the repairing of some stone material may be aided with rarer slurry slip casing by pressure or expand seam grouting, and the repairing of some stone material only need or vertically be subsidized with thicker mixture employing level.Following embodiment further illustrates of the present invention, rather than limits the scope of the invention.All solids material summation is 100 mass parts, and liquid material be take 100 mass parts as radix metering as silicon sol and water.
Example 1 white marble patching material
Magnesium cement: 40-50 part
White marble stone flour (sand): 40-50 part
White mica sheet: 0-10 part
Silicon sol: 10-15 part
Dispersion agent: 1-3 part
Polypropylene fibre: 1-2 part
Cellulosic fibre: 1-3 part
Water: 15-20 part
Constructional method is as follows: the dust in damaged stone material region, earth and greasy dirt etc. may be affected to patching material and treat between repairing area that the pollutent of interface binding intensity is cleaned out; And narrower crack or the more shallow hole, surface layer hole of the degree of depth of width widened or cut a hole deeply, will treat that repairing area is wetting with clean water; Because this product condenses, setting rate is very fast, so material is suitable for on-the-spot preparation, mix and use, uses last product mixture at every turn, need clear up in time, clean, in order to avoid be set in rapidly in mix container.
Example 2 marble patching materials
Magnesium cement: 40-50 part
Rubber powder: 2-10 part
Dali stone sand (powder): 20-30 part
River sand: 20-30 part
Black sheet mica: 5-8 part
Silicon sol: 10-15 part
Dispersion agent: 1-3 part
Polypropylene fibre: 1-2 part
Cellulosic fibre: 1-3 part
Water: 15-25 part
Example 3 grouan patching materials
Magnesium cement: 50-55 part
Rubber powder: 0-5 part
Granite sand (powder): 20-30 part
River sand: 15-20 part
Flyash: 3-10 part
Silicon sol: 10-15 part
Dispersion agent: 1-3 part
Polypropylene fibre: 1-2 part
Cellulosic fibre: 1-3 part
Grey sheet mica: 5-8 part
Water: 15-25 part
Example 4 bluestone board patching materials
Magnesium cement: 45-50 part
Flyash: 15-20 part
Sand: 30-45 part
Polypropylene fibre: 1-2 part
Silicon sol: 10-15 part
Cellulosic fibre: 1-3 part
Dispersion agent: 1-3 part
Water: 10-15 part
Analysis to building stone performance, should set about from the viewpoint of time of coagulation, cohesive strength, mobility and outward appearance similarity emphatically etc.Above-described embodiment performance is as shown in the table.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind based on the fast repairing material of damaged stone material in building, it is characterized in that, comprise one with the quick-setting gelling mixture of water, in described gelling mixture, contain magnesium phosphate cement, sand, silicon sol, if described gelling mixture quality is 100 parts, described magnesium phosphate cement is 40 parts, and described sand is 40 parts, and described silicon sol is 10 parts;
The described fast repairing material based on damaged stone material in building is the white marble patching material of repairing for white marble, and described sand is white marble stone sand;
In the gelling mixture of described white marble patching material, also contain white mica sheet;
The gelling mixture of described white marble patching material contains 40 parts of magnesium phosphate cements, 40 parts of white marble stone sands, 1 part of white mica sheet, polypropylene fibre 1-2 part, cellulosic fibre 1-3 part, 10 parts of silicon sol, dispersion agent 1-3 part.
2. a kind of fast repairing material based on damaged stone material in building according to claim 1, is characterized in that, is mixed with high-alumina cement in gelling mixture.
3. according to claim 1 a kind ofly it is characterized in that based on the fast repairing material of damaged stone material in building, also comprise a water, described water and gelling mixture are used after according to mass ratio 25:100-40:100 mix.
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Families Citing this family (13)
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| CN103452330B (en) * | 2013-08-20 | 2015-07-22 | 中国建筑第六工程局有限公司 | Method for strengthening circular structure bottom |
| CN104891899A (en) * | 2015-05-20 | 2015-09-09 | 上海建浩工程顾问有限公司 | Material for restoring ancient stone carving and construction method of material |
| CN105036695B (en) * | 2015-07-28 | 2017-08-01 | 盐城工学院 | The reparation overcoat and its construction method of reinforced concrete structure body |
| CN105294049B (en) * | 2015-10-12 | 2017-11-14 | 广西交通科学研究院 | The patching material and cement concrete pavement quick service method of special cement base |
| CN106882950B (en) * | 2015-12-16 | 2020-07-10 | 辽宁法库陶瓷工程技术研究中心 | Method for enhancing high-temperature-resistant phosphate adhesive by using silica sol |
| CN105967597A (en) * | 2016-05-10 | 2016-09-28 | 练朝松 | Quarry stone repairing agent, application thereof, and method for repairing quarry stones |
| CN106542797B (en) * | 2016-11-14 | 2018-07-24 | 张文凯 | Method for repairing marble table crack |
| CN106542798B (en) * | 2016-11-14 | 2018-07-27 | 张文凯 | Crack repairing method for marble threshold stone |
| CN108249880A (en) * | 2018-02-06 | 2018-07-06 | 合肥广民建材有限公司 | A kind of agent of two-component skin patching and its preparation for bathtub, application method |
| CN109133992B (en) * | 2018-08-02 | 2020-11-27 | 安徽建筑大学 | Concrete fair-faced magnesium phosphate cement protective coating and preparation method thereof |
| CN109020468B (en) * | 2018-09-28 | 2021-02-02 | 俞家欢 | Anti-deicing salt cement-based ditch repairing agent |
| CN113402892B (en) * | 2021-06-22 | 2022-11-18 | 武汉品泰新型建材有限公司 | Building rapid-setting repairing material and preparation system and preparation method thereof |
| CN115572146B (en) * | 2022-09-28 | 2023-10-27 | 山东高速路桥国际工程有限公司 | Alkali-activated granite powder cementing material and preparation method thereof |
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