CN100371531C - Water proofing and reinforcing method of humid environment soil relics - Google Patents
Water proofing and reinforcing method of humid environment soil relics Download PDFInfo
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- CN100371531C CN100371531C CNB2005100508772A CN200510050877A CN100371531C CN 100371531 C CN100371531 C CN 100371531C CN B2005100508772 A CNB2005100508772 A CN B2005100508772A CN 200510050877 A CN200510050877 A CN 200510050877A CN 100371531 C CN100371531 C CN 100371531C
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- siliconic acid
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- 239000002689 soil Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 title claims description 22
- 238000004078 waterproofing Methods 0.000 title claims description 13
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005728 strengthening Methods 0.000 claims abstract description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 5
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 5
- 239000011734 sodium Substances 0.000 claims abstract description 5
- 230000008439 repair process Effects 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims description 46
- 239000007864 aqueous solution Substances 0.000 claims description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000008595 infiltration Effects 0.000 claims description 5
- 238000001764 infiltration Methods 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011814 protection agent Substances 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- 229960000583 acetic acid Drugs 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 229940043232 butyl acetate Drugs 0.000 claims description 2
- 229940093499 ethyl acetate Drugs 0.000 claims description 2
- 239000012362 glacial acetic acid Substances 0.000 claims description 2
- 229940015043 glyoxal Drugs 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229940072033 potash Drugs 0.000 claims 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 1
- 235000015320 potassium carbonate Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 38
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 33
- 229910052700 potassium Inorganic materials 0.000 abstract description 33
- 239000011591 potassium Substances 0.000 abstract description 33
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 3
- 150000001340 alkali metals Chemical class 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000011378 penetrating method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 26
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- 238000005303 weighing Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 14
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- 239000000243 solution Substances 0.000 description 11
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 239000004111 Potassium silicate Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 239000011147 inorganic material Substances 0.000 description 4
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 4
- 229910052913 potassium silicate Inorganic materials 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000001846 repelling effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241001272567 Hominoidea Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
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- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention discloses a method for strengthening and protecting an earth site by using the water solution of methyl silicate. The methyl silicate which is used has the following structure which is mCH3Si1.5. nM2O, wherein M can be alkali metal such as sodium, potassium, etc.; the rate of m and n is 3: 1 to 1: 3, and the methyl silicate is confected into the water solution with the solid content of 1 to 20 percent; the water solution penetrates in a soil layer of the site via a penetrating method to strengthen the soil site, or is mixed with cultural relic soil to repair the soil site. The present invention has the advantages of high strengthening strength, good waterproof and soak-proof performance, and no influence for the appearance and the colour of the soil site.
Description
Technical field
The invention belongs to the Techniques of Relics Protection field.Specifically, the present invention relates to a kind of native ruins method for reinforcing and protecting.
Background technology
China is with a long history, and existing immovable historical relic One's name is legion wherein much is native ruins or comprise native ruins.Because the easy laxity of soil structure, be exposed to the destruction that open-air native ruins are easy to be subjected to natural causes such as wind and rain, especially in moist rainy zone, China south, rainwash and dipping will make soil block loose, and cause the avalanche of native ruins and lose the cultural traits in ruins.At present, many ancient sites of having excavated, the Liang Zhu ruins group in Zhejiang etc. for example, it is underground all can only to adopt the way of " backfill " that they are imbedded again, can't show to common people, is difficult to embody their due historical relics and is worth.Therefore, the reinforcement protection technology in native ruins has important use value.
The soil structure chemical consolidation material of once using mainly contains inorganic material and organic material two big classes.
The history that lime is used in inorganic material is the longest.After soil layer was handled through whitewash, waterproof and weatherproof degree improved, but the body surface after lime treatment presents white, can only be applied to the part ruins of appearance white.Cement as the modern building material main force has waterproof and reinforcement performance preferably, but the penetrating power of cement paste is very poor, also changes the outward appearance that is reinforced object, is not suitable as native ruins reinforcement material.What obtain more application at present is water glass (silicate) class material, as calcium chloride and sodium silicate grouting material, and high mode potassium silicate material.It is the conglomerate grouting agent that 3.8～4.2 potassium silicates and different auxiliary material are formed that application number CN94108697.6 has set forth a kind of modulus, can reinforce loose rock mass.Application number CN95100110.8 discloses preparation that a kind of modulus is 3.8～4.2 potassium silicate solution and the method for reinforcing the soil property historical relic.It is the method that 2.8～4.0 potassium silicate solutions are reinforced sandstone stone carving that application number CN02157612.2 discloses a kind of modulus.But find that through overtesting the high mode potassium silicate is not obvious to the reinforcing and the waterproof effect of humid environment soil relics.
In organic material, use the earliest be natural organic, as sticky rice syrup, wax and tung oil etc.But owing to reasons such as permeability, weather resisteant or outward appearances, these materials seldom are used for the reinforcing in native ruins.Along with the development of modern polymer science, the material of having tried out is a lot.Epoxy resin is typically arranged, acrylic resin etc., the intensity and the water proofing property of soil block all can be improved after the process resin treatment.But the outward appearance of historical relic changes easily after macromolecular material is handled, and the macromolecular material ageing-resistant performance does not have inorganic material good simultaneously.Improved way is to use the compound of silicon or fluorine, disclose a kind of organosilicon protective material that can be used for the humid environment soil relics reinforcing as application number CN200310108663.7, this material can improve the weatherability and the intensity in native ruins under the prerequisite that does not influence outward appearance and gas permeability; Application number CN200410041244.0 discloses a kind of method with fluorubber material protection historical relic, claims the outward appearance that can not change historical relic substantially.But these reinforcement materials all need to dilute with organic solvent, and environmental protection is had certain influence.
Summary of the invention
The water proofing and reinforcing method that the purpose of this invention is to provide a kind of humid environment soil relics.
In order to achieve the above object, the present invention has used a kind of methane-siliconic acid saline solution as the reinforcement protection agent of native ruins in conjunction with the advantage of inorganic material and organic material.
The water proofing and reinforcing method of humid environment soil relics provided by the invention is characterized in that using the methane-siliconic acid saline solution as the reinforcement protection agent of native ruins, and described methyl silicate structure is: mCH
3SiO
1.5NM
2O, M is a kind of in the alkali metal such as sodium, potassium in the formula, methyl silicate modulus m: n=3: 1～1: 3, methyl silicate concentration of aqueous solution scope is 0.1～50%, infiltrates in the soil layer of ruins by the method for infiltration, makes native ruins obtain reinforcing.
Alkali metal of the present invention is good with potassium.Though the cost of sylvite is than sodium salt height, the solubility of sylvite in water is bigger than sodium salt, therefore prepares the methane-siliconic acid potassium product of high mode easily.With the methane-siliconic acid aqueous solutions of potassium than good with performances such as the intensity of methane-siliconic acid sodium water solution compacted soil piece and water-resistance.
Methyl silicate modulus of the present invention preferably is controlled at 2: 1～1: 1 for good.If the value of m: n is too high, then be difficult to the preparation clear solution, permeability is also poor; The too low then reinforcement performance of the value of m: n is poor.
The concentration range that is applied to the methane-siliconic acid saline solution of native ruins reinforcing of the present invention preferably is controlled at 1～20%.Solution concentration is too high, and it is big that viscosity becomes, and is difficult to infiltration, can change the outward appearance that is reinforced soil layer simultaneously; Solution concentration is low excessively, does not then have consolidation effect.
Methane-siliconic acid saline solution of the present invention infiltrates in the soil layer of ruins with the method by infiltration, makes native ruins obtain reinforcing, and perhaps mixes to repair native ruins with a certain proportion of historical relic soil.
Can optionally add auxiliary curing compound in the methane-siliconic acid saline solution of the present invention, as organic catalysts such as calcium chloride, prodans, also can add organic catalysts such as glacial acetic acid, glyoxal, ethyl acetate, butyl acetate, to adjust the hardening time of methyl silicate strengthening agent.
Can optionally add anionic and nonionic penetrant in the methane-siliconic acid saline solution of the present invention, as fast penetrant T, penetrating agent JFC, perhaps similar surfactant etc. is to increase the length of penetration of solution in soil layer.
Have following advantage through the soil layer after the reinforcing of methane-siliconic acid saline solution: (1) fastening strength is higher; (2) soaking-resistant; (3) do not influence the outward appearance that is reinforced soil layer.
Concrete enforcement
For more detailed implementation method of the present invention and the superiority set forth, be described in further detail below in conjunction with experimental result.
For relevant natures such as the intensity that relatively is reinforced soil sample on same foundation and water proofing properties, the experiment soil sample is made according to the method for standard GB 123-1999 is unified.Used earth is all taken near the laterite the zone, Liangzhu Culture ruins.Earth is earlier through natural air drying (water content is about 3%), later airtight standby through 2mm sieve sieve.Soil sample after the reinforcing was all carried out parameter testing at the 7th day.
Embodiment 1
Take by weighing the 182.50g wind desiceted soil, place 2000cm
3In the plastic beaker, adding 13.35g water and 10.62g modulus is that 1.7 content are 50% methane-siliconic acid aqueous solutions of potassium, uniform mixing.Divide to be positioned in 5 * 5 * 5cm mould for three times and hit reality, the demoulding then.The uniaxial compressive strength test is carried out in the soil sample maintenance after 7 days, test value is 0.60Mpa; Water-resistance test, soil sample are put into water and were soaked three days, without any collapsing diffusing phenomenon.
Control sample: take by weighing the 182.50g wind desiceted soil, place 2000cm
3In the plastic beaker, add 30.78g water then, uniform mixing.Divide to be positioned in 5 * 5 * 5cm mould for three times and hit reality, the uniaxial compressive strength test is carried out in the demoulding then, soil sample maintenance after 7 days, and test value is 0.44Mpa; Water-resistance test, soil sample put into collapse at once behind the water diffusing.
As calculated, the dry density of above-mentioned soil sample is 1.416g/cm
3, belong to low-density soil; The addition of methane-siliconic acid potassium is 3% of a dry ground; Soil sample compressive strength improves 36% after the methane-siliconic acid aqueous solutions of potassium is reinforced, and water repelling property has improvement greatly.
Embodiment 2
Way is 195.54g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is the methane-siliconic acid aqueous solutions of potassium 11.50g of 17.26g water and same specification.The uniaxial compressive strength test value is 1.02Mpa; Soaked three days in the water, without any collapsing diffusing phenomenon.
Control sample: way is 195.54g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is 33.31g water.The uniaxial compressive strength test value is 0.73Mpa; The water-resistance test is collapsed diffusing at once in the water.
As calculated, the dry density of above-mentioned soil sample is 1.533g/cm
3, density soil in belonging to.Methane-siliconic acid potassium addition is 3% of a dry ground, and intensity improves 40% as a result, and water repelling property also has improvement greatly.
Embodiment 3
Way is 215.31g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is the methane-siliconic acid aqueous solutions of potassium 12.66g of 19.00g water and same specification.The uniaxial compressive strength test value is 1.92Mpa; Soaked three days in the water, without any collapsing diffusing phenomenon.
Control sample: way is 215.31g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is 36.69g water.The uniaxial compressive strength test value is 1.27Mpa; The water-resistance test is collapsed diffusing at once in the water.
As calculated, the dry density of above-mentioned soil sample is 1.688g/cm
3, belong to high density soil.Methane-siliconic acid potassium addition is 3% of a dry ground, and intensity improves 51% as a result, and water repelling property also has improvement greatly.
Embodiment 4
Way is 182.5g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is the methane-siliconic acid aqueous solutions of potassium 3.54g of 16.89g water and same specification, and the addition of calculating methane-siliconic acid potassium is 1.0% of a dry ground.The uniaxial compressive strength test value is 0.31Mpa.
Control sample 1: way is 182.5g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is the methane-siliconic acid aqueous solutions of potassium 10.62g of 13.35g water and same specification, and the addition of calculating methane-siliconic acid potassium is 3.0% of a dry ground.The uniaxial compressive strength test value is 0.58Mpa.
Control sample 2: way is 182.5g with embodiment 1 but take by weighing wind desiceted soil, and adding the water yield is the methane-siliconic acid aqueous solutions of potassium 17.70g of 9.81g water and same specification, and the addition of calculating methane-siliconic acid potassium is 5.0% of a dry ground.The uniaxial compressive strength test value is 1.00Mpa.
This example explanation, for equal densities soil, along with methane-siliconic acid potassium addition increases, the compressive strength amplitude improves fairly obvious.
Embodiment 5
Way is 180.64g with embodiment 1 but take by weighing wind desiceted soil, and adding the 22.75g modulus is that 1.7 content are 25% methane-siliconic acid aqueous solutions of potassium.The uniaxial compressive strength test value is 0.56Mpa; The water-resistance test was soaked three days in the water, without any collapsing diffusing phenomenon.
Control sample 1: way is 180.64g with embodiment 1 but take by weighing wind desiceted soil, and adding the 22.75g modulus is that 1.5 content are 25% methane-siliconic acid aqueous solutions of potassium.The uniaxial compressive strength test value is 0.50Mpa; The water-resistance test was soaked three days in the water, did not collapse diffusing phenomenon substantially.
Control sample 2: way is 180.64g with embodiment 1 but take by weighing wind desiceted soil, and adding the 22.75g modulus is that 1.3 content are 25% methane-siliconic acid aqueous solutions of potassium.The uniaxial compressive strength test value is 0.44Mpa; The water-resistance test was soaked three days in the water, had slightly and collapsed diffusing phenomenon.
This example explanation is along with the reduction of methane-siliconic acid potassium modulus, and the compressive strength that is reinforced soil sample dies down, and anti-simultaneously outlet capacity also reduces.
Embodiment 6
Way is 180.64g with embodiment 1 but take by weighing wind desiceted soil, and adding 10.4g water and 10.4g modulus is that 1.3 content are 50% methane-siliconic acid aqueous solutions of potassium.Calculating methane-siliconic acid potassium amount is 3% of dry ground amount; The uniaxial compressive strength test value is 0.44Mpa; The water-resistance test was soaked three days in the water, had slightly and collapsed diffusing phenomenon.
Control sample: way is 180.64g with embodiment 1 but take by weighing wind desiceted soil, and adding the 22.75g modulus is that 1.3 content are 25% methane-siliconic acid sodium water solution.Calculating the sodium methyl silicate amount is 3% of dry ground amount; The uniaxial compressive strength test value is 0.36Mpa.Water-resistance test was soaked three days in the water, and it is obvious to collapse the phenomenon of loosing, but does not scatter fully.
The intensity of this example explanation methane-siliconic acid potassium compacted soil is all superior than the sodium methyl silicate of identical modulus with water-resistance.
Embodiment 7
Take by weighing 20g, solid content be 10% methane-siliconic acid aqueous solutions of potassium in beaker, leave standstill 72h under the room temperature condition, solution begins that turbid phenomenon is arranged; Continue to place 72h, turbidity is deepened, but gel not.
Control sample 1: take by weighing the methane-siliconic acid aqueous solutions of potassium of equivalent amount and specification, add ethyl acetate 1.33g, solution begins muddiness behind the 20min, gel behind the 1h.
Control sample 2: take by weighing the methane-siliconic acid aqueous solutions of potassium of equivalent amount and specification, add methyl acetate 1.33g, gel behind the 15min.
The gel time of this example explanation methane-siliconic acid potassium strengthening agent can add one or several curing compound and carry out suitable adjustment according to different needs.
Embodiment 8
Prepare blank earth sample according to control sample preparation prescription and method among the embodiment 1, maintenance 7 days is standby under the room temperature condition.
Being 10% methane-siliconic acid aqueous solutions of potassium with the 40g solid content slowly drips from the upper surface of blank soil sample, and the control rate of addition penetrates in the soil sample liquid, rather than from around overflow.Dropwise behind the 20min, half-and-half cut open in the middle of the sample, measuring the liquid length of penetration is 2cm.
Control sample 1: way is the same, and as bleeding agent, liquid dropwises behind the 10min but add 1% non-ionic surface active agent OP-10 (APES compound) in the methane-siliconic acid aqueous solutions of potassium, reaches the degree of depth of 2cm equally.
Control sample 2: way is the same, but the jail is wrapped up in cotton yarn in the top of soil sample, and methane-siliconic acid aqueous solutions of potassium 60min dropwises, and the 60min that preserves moisture, and half-and-half cuts open in the middle of the sample, and soil sample is all permeated by solution.
The methane-siliconic acid saline solution can be reinforced the soil of different densities under the situation that does not change the soil layer outward appearance substantially.The methyl silicate modulus is high more, be reinforced soil layer compressive strength high more; Add auxiliary curing compound and can artificially control the gel time of methyl silicate; Add bleeding agent or change the rate of infiltration or the degree of depth that penetration mode can be adjusted strengthening agent.Certainly in the scope that the present invention requires, can suitably adjust top prescription and way, this and without prejudice to thought of the present invention.
Claims (7)
1. the water proofing and reinforcing method of a humid environment soil relics is characterized in that using the methane-siliconic acid saline solution as the reinforcement protection agent of native ruins, and described methyl silicate structure is: mCH
3SiO
1.5NM
2O, M is a kind of in sodium, the potash metal in the formula, methyl silicate modulus m: n=3: 1～1: 3, methyl silicate concentration of aqueous solution scope is 0.1～50%, infiltrates in the soil layer of ruins by the method for infiltration, makes native ruins obtain reinforcing.
2. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that described methane-siliconic acid saline solution modulus is m: n=2: 1～1: 1.
3. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that described methyl silicate concentration of aqueous solution is 1～20%.
4. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that described methane-siliconic acid saline solution is by mixing to repair native ruins with historical relic soil.
5. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that adding auxiliary curing compound in the methane-siliconic acid saline solution is calcium chloride, prodan organic catalyst, to adjust the hardening time of methyl silicate strengthening agent.
6. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that in the methane-siliconic acid saline solution, adding glacial acetic acid, glyoxal, ethyl acetate, butyl acetate organic catalyst, to adjust the hardening time of methyl silicate strengthening agent.
7. according to the water proofing and reinforcing method of claim 1 humid environment soil relics, it is characterized in that in the methane-siliconic acid saline solution, adding anionic and nonionic penetrant, to be increased in the length of penetration in the soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100508772A CN100371531C (en) | 2005-07-28 | 2005-07-28 | Water proofing and reinforcing method of humid environment soil relics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100455758C (en) * | 2006-08-23 | 2009-01-28 | 李克彪 | Method of allopatric protection strengthening for underground ruins at moisture environment |
| CN101318830B (en) * | 2008-07-17 | 2012-04-25 | 湖北省博物馆 | Method for reinforcing and protecting high-water content soil historic relics based on solid crystal hydrophobic material |
| CN101738457B (en) * | 2008-11-05 | 2012-12-05 | 敦煌研究院 | Nondestructive testing method for testing reinforcing effect of earthen site |
| CN102852234B (en) * | 2012-08-30 | 2014-12-03 | 兰州大学 | Method for processing damp earthen site by tung oil |
| CN103539418A (en) * | 2013-11-05 | 2014-01-29 | 兰州大学 | Novel frit gravel and quartz sand slurry for anchoring soil ruins |
| CN103669322B (en) * | 2013-11-15 | 2016-04-13 | 兰州大学 | A kind of guard method of damp earthen site |
| CN104974763B (en) * | 2015-06-12 | 2019-01-29 | 咸阳师范学院 | Compound earthen ruins reinforcement material and the method for reinforcing earthen ruins |
| CN111811969B (en) * | 2020-04-16 | 2023-11-03 | 敦煌研究院 | Method for testing landfill site gully reinforcement material |
| CN112225583B (en) * | 2020-09-25 | 2022-09-02 | 陕西师范大学 | Salt damage prevention method for protecting cultural relics in earthen sites |
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| CN1544761A (en) * | 2003-11-12 | 2004-11-10 | 浙江大学 | Reinforcing agent for soil ruins skin layer in humid environment and reinforcement method thereof |
| JP2004323716A (en) * | 2003-04-25 | 2004-11-18 | Ge Toshiba Silicones Co Ltd | Water-based coating agent composition |
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| JP2004323716A (en) * | 2003-04-25 | 2004-11-18 | Ge Toshiba Silicones Co Ltd | Water-based coating agent composition |
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