CN1540096A - Prepared agent of base course suitable to highway for intensifying waterproof performance of basal layer of roadbed - Google Patents
Prepared agent of base course suitable to highway for intensifying waterproof performance of basal layer of roadbed Download PDFInfo
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- CN1540096A CN1540096A CNA2003101108513A CN200310110851A CN1540096A CN 1540096 A CN1540096 A CN 1540096A CN A2003101108513 A CNA2003101108513 A CN A2003101108513A CN 200310110851 A CN200310110851 A CN 200310110851A CN 1540096 A CN1540096 A CN 1540096A
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- basic unit
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- express highway
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Repair (AREA)
- Road Paving Structures (AREA)
Abstract
A chemical for reinforcing the water-proof bad of expressway is prepared from water, silanol, sodium sodium silicate and acrylate emulsion through sequentially and proportionally mixing and stirring. It can improve the strength, toughness, and water and temp difference resistance of expressway bed.
Description
Affiliated technical field:
The present invention relates to a kind of waterproof reinforcing agent, particularly a kind of basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens.
Background technology:
At present, in speedway maintenance regulation process, generally be after excavating former basic unit for express highway roadbed basic unit, heavily spread basic unit to the repairing of heavily spreading the pasta layer and handle.Concerning speedway basic unit, because vehicle flowrate is big, so produce the scattering crack surface water is infiltrated through top layer, certain hour operation back pitch pasta, and the water in seam or the line, the traction engine amount at a high speed by the time form high-voltage high-speed under the instantaneous pressure effect that produces and impact the water bundle, impact earth and form mud and from seam (line), extrude.Long-term sizing (as earth) in the basic unit was reduced in a large number and only surplus aggregate (as rubble) forms pitch pasta sky down, and then cause pavement destruction, shortened the normal life cycle of speedway, maintenance frequency and workload are big, maintenance fund and cost increase, also the car resistance phenomenon of usually bringing because of maintenance.
Summary of the invention:
The purpose of this invention is to provide a kind of basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens, the mixed emulsion that this basic unit ingredients is made of jointly organosilicon macromolecule polymer and inorganic salts compound, has the intensity height, toughness is good, water-fast diffusing property is excellent, durable, the characteristics that temperature difference resistance is good, environmentally safe particularly, good environmental protection.The present invention designs from purpose such as the reinforcing of speedway graded broken stone base and anti-water are loose, after graded broken stone base being used express highway roadbed basic unit join note agent processing, make sizing in the basic unit (earth) from little molecule thing, (small particle diameter thing) is polymerized to big molecule resistate (big particle diameter thing), and basic unit's calcification crystallization is bondd and the multiple film (being finished by organic polymer) of hydrophobic simultaneously again between each calcification crystal and surface, so can reduce and the anti-infiltration decomposition that blocks water and high speed impact and loss, increase the speedway life cycle and reach, reduce maintenance frequency, a large amount of maintenance funds of saving reduce the car resistance phenomenon of bringing because of maintenance.
Concrete technology contents of the present invention is as follows:
Be applicable to basic unit's ingredients that express highway roadbed basic unit waterproof strengthens, it is characterized in that: make according to weight proportion by following raw material: water: 5 sodium silanolates: 1.2 silicate of soda: 3 pure-acrylic emulsions: 0.5.
Wherein: the error range of described each raw-material weight proportion is ± 5%.
Manufacturing process of the present invention is: according to above-mentioned weight proportion silicate of soda, silicate of soda were mixed stirring after 30-50 minute with water, add pure-acrylic emulsion and stirred 35-60 minute again, promptly obtain finished product.
Finished product of the present invention belongs to the dosing of organosilicon-modified acrylic aqueous, environmental protective, one-component, and the outward appearance emulsion that is white in color, its temperature resistant range: before the reaction :-15 ℃～+ 18 ℃, reaction back :-45 ℃～+ 160 ℃; PH value: 13.0 ± 0.5; Viscosity: 7.0～9.0mpa.s; Free formaldehyde content≤0.1g/kg; VOC content≤200g/L; W (Pb) content≤90mg/kg; W (Hg) content≤60mg/kg.
Sodium silanolate of the present invention is the organosilicon waterproof agent for building.As GF-1, GF-2.GF-1, GF-2 are the aqueous solution of methyl silanol, and GF-3 is a kind of ethanolic solution of organic siliconresin.When GF-1, the dilution of GF-2 water gaging, spray after (GF-3 then dilutes with ethanol) or brush when various building materials or building surface, can form colourless, invisible watertight mould, can stop the infiltration of water effectively, play the effect of waterproof, anti-pollution, efflorescence prevention, even, still have excellent waterproofness through the chiization of certain hour.And waterproof agent is dark more to the infiltration of building materials, and waterproof effect is just good more.Simultaneously, still can keep the original gas of building materials.
Pure-acrylic emulsion of the present invention is the pure acrylic acid resin copolymer, belongs to the anionic emulsion.This emulsion particle diameter is small, is applicable to multiple formulation for coating material, has good pollution resistance, alkali resistance, abrasion resistance, light resistance and weatherability, and good adhesive is arranged.As the BC-201 pure-acrylic emulsion.
Silicate of soda of the present invention is water white transparency or translucent viscous liquid, and its iron-holder is less than 0.05, and water insoluble matter content is 1.368-1.394 gram/cubic centimetre less than 0.40 20 ℃ of lower densities, and the content of silica is greater than 26.0.
Basic principle of the present invention is:
The mixed emulsion that the present invention is made of jointly organosilicon macromolecule polymer and inorganic salts compound.Wherein the organosilicon macromolecule polymer mainly is to be formed by acrylate and organosilicon addition polymerization.Because this two big macromolecule series has very good ageing resistance and tack.Acroleic acid macromolecular series can satisfy the durability of products requirement, and its fragility is bigger, though and organosilicon macromolecule class tack is relatively poor, very good flexibility is but arranged.Gu Er has generated the big molecule aggregation chain addition product that promptly has high tack that flexible inierpeneirating network structure is arranged again by two class materials in the presence of catalyzer through addition polymerization.And it has high tack and have very superior hydrophobic to hang flexible the time, this just beat for the production of speedway basic unit dosing decided basic in earlier stage.It mainly is that cation for the basic unit Shen reacts that salt-free silicon compounds adds, and generates macromolecule, stable performance, unhydrolyzed compound group.And this group can form bigger group and then make the compactness of subbase height under the weak acid effect.Certainly, the increase along with group also just makes the basic unit of speedway more firm.In addition because the compactness of subbase height of speedway, macromolecular chain product accessibility is poor in addition, so in the manufacturing process of basic unit's dosing, take enzymatic electrochemical nano technology and add special special-purpose penetration-assisting agent carry out jointly emulsification production become final have enhancing, hydrophobic, water-fastly loose, accessibility is good, shock proof express highway roadbed basic unit ingredients.
The present invention be under the prerequisite of not excavating former basic unit, enter basic unit and with basic unit in contained material react, thereby recover the intensity that (or part is recovered) basic unit looses and loses because of water, reacted structure is not only recovered on compressive strength to some extent, and go afterwards load effect under also be difficult for destroyed again.Promptly have the ability (hydrophobicity) that opposing water immerses, under the heavy load effect, move to keep a kind of basicly stable compressive strength.
The using method of finished product of the present invention is as follows: the job practices process of described finished product comprises: behind basic unit's roller-compaction, use the spray pattern of manually sprinkling, machinery sprinkling, perforate pressure injection, compound construction that finished product ingredients capacity evenly is sprayed on substrate surface.As spray one time, but must before the first pass drying, carry out if infiltrating thickness low LCL can spray second time.
Finished product of the present invention is applicable to that the waterproof of speedway basic unit is diffusing and gains in strength, normal temperature cure, and the intensity height, toughness is good, and water-fast diffusing property is excellent, durable, and temperature difference resistance is good, and is simple to operate.
The specific embodiment:
Embodiment 1:
Be applicable to basic unit's ingredients that express highway roadbed basic unit waterproof strengthens, it is characterized in that: make according to weight proportion by following raw material: water: 5.01 sodium silanolates: 1.188 silicate of soda: 2.97 pure-acrylic emulsions: 0.505.
Manufacturing process of the present invention is: according to above-mentioned weight proportion silicate of soda, silicate of soda were mixed stirring after 40 minutes with water, add pure-acrylic emulsion and stirred 40 minutes again, promptly obtain finished product.
Embodiment 2:
Choose according to raw material total amount 1000 grams of the present invention, wherein, choose raw material water 515.5 grams, sodium silanolate 123.7 grams, silicate of soda 309.3 grams, pure-acrylic emulsion 51.5 grams.According to above-mentioned weight silicate of soda, silicate of soda are mixed stirring after 30 minutes with water, add pure-acrylic emulsion and stirred again 60 minutes, promptly obtain finished product.
Finished product of the present invention belongs to the dosing of organosilicon-modified acrylic aqueous, environmental protective, one-component, and the outward appearance emulsion that is white in color, its temperature resistant range: before the reaction :-15 ℃～+ 18 ℃, reaction back :-45 ℃～+ 160 ℃; PH value: 13.0 ± 0.5; Viscosity: 7.0～9.0mpa.s; Free formaldehyde content≤0.1g/kg; VOC content≤200g/L; W (Pb) content≤90mg/kg; W (Hg) content≤60mg/kg.
Embodiment 3:
The using method of finished product of the present invention is as follows:
1, with basic unit's roller-compaction.
2, with spray pattern this dosing capacity evenly is sprayed on substrate surface.
3, spray one time if infiltrating thickness low LCL can spray second time, but must before the first pass drying, carry out.
Embodiment 4:
The construction technology of finished product of the present invention:
1, before using basic unit of the present invention ingredients construction, should the pasta layer be removed (not injuring basic unit) with milling machine earlier as far as possible, basic unit be cheated water hole excavate, repair processing with special ravelled spot.
A, artificial spray pattern
According to the present situation of speedway, under the situation that intensity meets the demands, be applicable to than small size and use.Construction length is not more than under 500 meters situations of unidirectional two-way traffic and adopts, and spraying time is longer, and every square metre of sprinkling number of times reaches 8-10 time, but constructs in the bicycle road.
B, mechanical spray pattern
Save the regulation time for improving regulation efficient, need carry out mechanized construction, spray processing with mechanization spray appliances such as sprayers, this mode spray rate is fast, but can cause bigger waste to material.
C, perforate pressure injection
Do not excavate pasta, the accessibility reperfusion mode is adopted in directly perforate on surface layer, and basic unit's dosing is pressed into.Pattern adopts plum blossom hole, and final pitch-row should be according under the certain pressure situation, and the scope diameter of basic unit's dosing diffusion determines, then cover 4cm on surface layer.When this technology can guarantee planeness, also saved the expense of surface layer regulation.Can also be according to actual conditions admixture silicates material, such as cement, flyash.But this mode can't definitely be controlled at present to construction quality.
D, compound form of construction work
Promptly carry out the making of cement grid in the scale removal process after the pasta layer removes, the cement lattice are broken into wide 2cm, the groined type grid of high 3-5cm, length and width is decided by the practice of construction face gradient at interval, about 5-10m, basic unit of the present invention ingredients is pressed theoretical use amount 4kg/m
2Be poured in and make its uniformly penetrating within the cement grid, its uniformly penetrating is rinsed or scraped to available manual type in the more place of hydrops, and this mode is for determining to be applicable to the long and short best mode of executing positive highway section at present.This scheme has improved efficiency of construction greatly under the prerequisite that guarantees construction quality, and can guarantee that the use amount of basic unit's dosing reaches best.Treat after basic unit's dosing sprinkling has been constructed the cement grid to be removed, carry out next step construction again.
The cement grid can substitute with the removable wire frame of manufacturing voluntarily, and this rack can be saved the engineering time, and is reusable again, and it is particularly convenient to remove.
2, bicycle road milling machine milling pasta construction
Re-use basic unit's dosing after this technology is handled the milling of pasta layer earlier and spray construction, can constantly carry out under the road condition, regulation quantity can be adjusted with the variation of weather.Substrate surface is more smooth in addition, and is more secure to construction quality, but cost is higher, is applicable to the construction of short distance highway section.
3, the construction technology of hole water hole repairing uses quick dry agent to spray after having sprayed basic unit of the present invention ingredients with reference to above 2 points.
Finished product of the present invention is applicable to that the waterproof of speedway basic unit is diffusing and gains in strength, normal temperature cure, and the intensity height, toughness is good, and water-fast diffusing property is excellent, durable, and temperature difference resistance is good, and is simple to operate.
Claims (6)
1, is applicable to basic unit's ingredients that express highway roadbed basic unit waterproof strengthens, it is characterized in that: make according to weight proportion by following raw material: water: 5 sodium silanolates: 1.2 silicate of soda: 3 pure-acrylic emulsions: 0.5.
Wherein: the error range of described each raw-material weight proportion is ± 5%.
2, the basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens according to claim 1, it is characterized in that: the manufacturing process of this basic unit's ingredients is: according to above-mentioned weight proportion silicate of soda, silicate of soda were mixed stirring after 30-50 minute with water, add pure-acrylic emulsion and stirred again 35-60 minute, promptly obtain finished product.
3, the basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens according to claim 1 and 2, it is characterized in that: described finished product is an one-component, the outward appearance emulsion that is white in color, its temperature resistant range: before the reaction :-15 ℃～+ 18 ℃, reaction back :-45 ℃～+ 160 ℃; PH value: 13.0 ± 0.5; Viscosity: 7.0～9.0mpa.s; Free formaldehyde content≤0.1g/kg; VOC content≤200g/L; W (Pb) content≤90mg/kg; W (Hg) content≤60mg/kg.
4, the basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens according to claim 1, it is characterized in that: the job practices process of described finished product comprises: behind basic unit's roller-compaction, use the spray pattern of manually sprinkling, machinery sprinkling, perforate pressure injection, compound construction that finished product ingredients capacity evenly is sprayed on substrate surface.
5, the basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens according to claim 1, it is characterized in that: described sodium silanolate is the organosilicon waterproof agent for building.
6, the basic unit's ingredients that is applicable to that express highway roadbed basic unit waterproof strengthens according to claim 1 is characterized in that: described pure-acrylic emulsion pure acrylic acid resin copolymer belongs to the anionic emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101108513A CN1317455C (en) | 2003-11-04 | 2003-11-04 | Prepared agent of base course suitable to highway for intensifying waterproof performance of basal layer of roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101108513A CN1317455C (en) | 2003-11-04 | 2003-11-04 | Prepared agent of base course suitable to highway for intensifying waterproof performance of basal layer of roadbed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540096A true CN1540096A (en) | 2004-10-27 |
| CN1317455C CN1317455C (en) | 2007-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101108513A Expired - Fee Related CN1317455C (en) | 2003-11-04 | 2003-11-04 | Prepared agent of base course suitable to highway for intensifying waterproof performance of basal layer of roadbed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055846A (en) * | 2019-05-17 | 2019-07-26 | 河北瑞志交通技术咨询有限公司 | A kind of cement stabilized macadam base and its construction method |
| CN111560809A (en) * | 2020-04-22 | 2020-08-21 | 东北林业大学 | Construction method of roadbed water-resisting layer based on hydrophobic material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19844654A1 (en) * | 1998-09-29 | 2000-03-30 | Wacker Chemie Gmbh | Process for the consolidation and waterproofing of soil materials |
| CN1074031C (en) * | 1998-11-17 | 2001-10-31 | 张炼 | Surface corrosion-resistant and water-proof treating process and surface treating agent |
| CN1258685A (en) * | 1998-12-26 | 2000-07-05 | 江苏日出(集团)公司 | Pure acrylic elastic emulsion |
| CN1353161A (en) * | 2000-11-13 | 2002-06-12 | 徐福明 | Water-proof impervious organosilicon agent |
-
2003
- 2003-11-04 CN CNB2003101108513A patent/CN1317455C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055846A (en) * | 2019-05-17 | 2019-07-26 | 河北瑞志交通技术咨询有限公司 | A kind of cement stabilized macadam base and its construction method |
| CN111560809A (en) * | 2020-04-22 | 2020-08-21 | 东北林业大学 | Construction method of roadbed water-resisting layer based on hydrophobic material |
| CN111560809B (en) * | 2020-04-22 | 2021-10-01 | 东北林业大学 | Construction method of roadbed water-resisting layer based on hydrophobic material |
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| Publication number | Publication date |
|---|---|
| CN1317455C (en) | 2007-05-23 |
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