CN1421576A - Foundation waterproof construction method and waterproof structure - Google Patents
Foundation waterproof construction method and waterproof structure Download PDFInfo
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- CN1421576A CN1421576A CN 02153040 CN02153040A CN1421576A CN 1421576 A CN1421576 A CN 1421576A CN 02153040 CN02153040 CN 02153040 CN 02153040 A CN02153040 A CN 02153040A CN 1421576 A CN1421576 A CN 1421576A
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Abstract
The invention provides a method and a structure for waterproofing a floor slab excellent in adhesion between the floor slab and an asphalt mixture, and waterproof effect, and durability. After a waterproof layer (3) formed of two-part curing resin A has been formed on the floor slab (1), an adhesive layer (4) formed of two- part curing resin B having a longer curing time than the two-part curing resin A is formed on the waterproof layer (3) and then, the adhesive layer (4) is paved with the asphalt mixture (5).
Description
Technical field
The present invention relates to the ground waterproof construction and the ground waterproof construction method of bridge etc.
Background technology
Usually, reinforced concrete base or steel ground about road and bridge, as everyone knows, be penetrated into ground inside by the rainwater of inflows such as the pars affecta of mating formation, Snow Agent etc. from crackle, impel the corrosion etc. of the steel parts such as reinforcing bar of concrete deterioration, ground inside, the durability of ground is significantly reduced.
So, must implement waterproofing work to ground in order to prevent such situation, existing representational reinforced concrete base waterproof construction method is patch-type waterproof construction method, coating-type waterproof construction method etc.The patch-type waterproof construction method is to paste pair rubber pitch paster as waterproofing course behind coating priming paint on the concrete foundation, then the job practices of asphalt mixture in the above.The coating-type waterproof construction method is that application of resin class waterproofing materials forms waterproofing course, the job practices of laying concrete mix then on concrete foundation.
In the patch-type waterproof construction method, pasting when paying paster has air to enter, produce expansion between the paster of ground and formation waterproofing course sometimes.And, also be easy to weaken the bonding force of paster and asphalt mixture, the load after the construction also can cause waterproofing course and by mating formation of forming of asphalt mixture peel off between the layer, skew etc.
On the other hand, in the coating-type waterproof construction method, by being used to form the material that waterproofing course applies, the heat that is laid on the asphalt mixture on the waterproofing course reduces seriously the viscosity of these materials, not only make waterproofing course keep certain thickness to become difficult, and these materials are sneaked in the asphalt mixture, thereby produce the part that can not form waterproofing course.To this, if use heating to be difficult for the softening material that is used to form waterproofing course and applies, just be easy to weaken the bonding force of waterproofing course and asphalt mixture, the load after the construction also can cause waterproofing course and by mating formation of forming of asphalt mixture peel off between the layer, skew etc.
Summary of the invention
The objective of the invention is to when addressing the above problem, a kind of more effective ground waterproof construction and ground waterproof construction method are provided, specifically, provide ground waterproof construction and ground waterproof construction method good adhesive property, waterproof effect height, good endurance are arranged between a kind of ground and asphalt mixture.
For reaching above-mentioned purpose, in ground waterproof construction method of the present invention, after forming the waterproofing course that constitutes by bi-component gel-type resin A on the ground, on above-mentioned waterproofing course, form the adhesive layer that constitutes by the bi-component gel-type resin B longer, on this adhesive layer, lay asphalt mixture then than the hardening time of above-mentioned bi-component gel-type resin A.At this, bi-component gel-type resin A should use the bi-component gel-type resin that refers to touch 2 seconds to 60 seconds hardening time.And bi-component gel-type resin B should use the bi-component gel-type resin that refers to touch 5 minutes to 120 minutes hardening time.After the bi-component gel-type resin A that forms waterproofing course solidifies, apply bi-component gel-type resin B again and form adhesive layer, but also can be when this adhesive layer be uncured the asphalt mixture, utilize the heat of asphalt mixture that above-mentioned adhesive layer is solidified.Use such ground waterproof construction method, utilize the heat of asphalt mixture, under the part of adhesive layer is infiltrated state in this asphalt mixture, the adhesive layer of curing is present in forms the ground waterproof construction between waterproofing course and the asphalt mixture, thereby can prevent entrained air between ground and waterproofing course, and can keep the certain thickness of waterproofing course on the one hand, significantly improve cohesive on the one hand with asphalt mixture.
In addition, in ground waterproof construction of the present invention and ground waterproof construction method, above-mentioned bi-component gel-type resin A should use bi-component curable polyurethane resin and/or carbamide resin, above-mentioned bi-component gel-type resin B should use bi-component curable polyurethane resin and/or carbamide resin.If use such material, just can bring into play the performance of waterproofing course really, and, above-mentioned hardening time not only can be adjusted easily, and the cohesive between waterproofing course and adhesive layer can be improved.
And, in ground waterproof construction of the present invention and ground waterproof construction method, as above-mentioned bi-component gel-type resin A, should adopt elongation rate after solidifying is 50%～1000% resin, as above-mentioned bi-component gel-type resin B, should adopt elongation rate after solidifying is 200%～1500% resin.If do like this, the effect of the durability of construction afterload relatively just can be improved.
In addition, in ground waterproof construction of the present invention and ground waterproof construction method, the average thickness that should make above-mentioned waterproofing course is that the average thickness of 1mm～5mm, above-mentioned adhesive phase is 0.5mm～3mm.If do like this, when giving full play to the waterproof ability of waterproofing course, by adhesive layer can fully guarantee with mat formation the layer bonding force.And, fully guarantee the effect of durability of the relative construction afterload of waterproofing course in addition.
In addition, in ground waterproof construction of the present invention and ground waterproof construction method, be advisable between above-mentioned ground and above-mentioned waterproofing course, to form prime coat.If do like this, when making air be difficult for entering between ground and the waterproofing course, can fully guarantee both fusible effects in addition.
In ground waterproof construction of the present invention and ground waterproof construction method, as mentioned above, can obtain the seamless waterproof layer, make asphalt mixture and ground base concrete form one.And the bi-component gel-type resin A of formation waterproofing course must reach in one minute soon because refer to touch hardening time, does not have the waterproofing course that dangles so end rising edge face also can form.Form the bi-component gel-type resin B of adhesive layer, solidify behind the asphalt mixture because be, institute so that the waterproofing course and the layer of mating formation firmly become one, after the construction no matter great load also be difficult for producing the peeling off of the waterproofing course and the interlayer of mating formation, skew etc., and good endurance.
Description of drawings
Fig. 1 is the generalized section that schematically shows ground waterproof construction of the present invention with section.
Fig. 2 is the generalized section that schematically shows the ground waterproof construction of the present invention that comprises the end rising edge with section.
Symbol description: 1,11 concrete foundations; 2,12 priming paint; 3,13 waterproofing courses; 4,14 adhesive layers; 5,15 layers of mating formation; 16 end rising edge portions.
The specific embodiment
Below, in conjunction with the accompanying drawings invention is described in more detail.
The present invention, no matter be existing or newly-built facility, for example, road and bridge, elevated road bridge, overhead parking field, roof parking area etc., all can be used as the ground base object of implementing asphalt pavement, as the kind of ground, any one in RC concrete foundation, PC concrete foundation, the steel ground all can.Key of the present invention is not to be to be only applicable to special ground, but is applicable to general ground waterproof construction method and waterproof construction.
But, the surface of ground preferably before implementing following processing, reduce as far as possible the surface big concavo-convex, make it smooth.Thereby evenly can give full play to its function because be easy to make the thickness of waterproofing course like this.And, preferably make sharp-pointed especially protuberance or jut smooth as far as possible, make the tip relatively slicker and more sly.This is because can be easy to make the thickness attenuation of the waterproofing course that after this forms.
Fig. 1 is the schematic diagram of waterproof layer structure of the present invention.The above-mentioned concrete foundation of 1 expression among the figure, the following prime coat of 2 expressions, 3 expression waterproofing courses, the adhesive layer of 4 expressions on it, 5 expressions have been laid concrete mix and the layer of mating formation that forms.As clearly illustrating that among the figure, preferably on foundation surface, to use well-known method coating such as road roller, hairbrush, spraying priming paint individually or in combination through preparing after the above-mentioned processing.Because can guarantee the cohesive between ground and waterproofing course so more fully.As priming paint, can use for example pitch class priming paint, resinae priming paint etc.Pitch, pitch, soft bitumen, asphalt adhesive etc. if will mat formation, and, the ethene-vinyl acetate class of solid content 5～25% weight portions or the resin of acrylic compounds synthetic resin emulsion, epoxy resin etc. use as common priming paint, any can use.
In addition, appropriate to the occasion use rubber asphalt class priming paint is arranged.Rubber asphalt class priming paint is to add rubber or rubber and synthetic resin in pitch, is dissolved in the solvent.And, also use pitch sometimes, as the acrylonitrile-butadiene rubber of rubber-like as the pitch class.The coating amount of priming paint is generally 0.21/m
2～0.61/m
2, be preferably 0.35 liter/square metre～0.45 liter/square metre.As commercially available priming paint, (Nippon Paint Co., Ltd's systems) such as Tough guard R-W priming paint of water-base epoxy class arranged.And, even under the situation of not using priming paint, except the bonding force of ground and adhesive layer slightly a little less than, utilize following method just can make the waterproof construction of the present invention that forms by waterproofing course and adhesive layer.
After priming paint 2 dryings, apply bi-component gel-type resin A thereon, form waterproofing course 3.As the method for coating, can use well-known methods such as spraying.As this bi-component gel-type resin A, referring to that touch 2 seconds～60 seconds hardening time serve as preferably, 5 seconds～15 seconds for more preferably.This is because if refer to touch the too short continuity that will be difficult to obtain waterproofing course hardening time, on the other hand, if overlong time before would solidifying mixed liquor will run off, thereby the jog of concrete surface particularly protuberance be difficult to guarantee the film thickness of waterproofing course, and therefore reduce efficiency of operation.Bi-component gel-type resin A should carry out before the mixing of coating bi-component, and must one side mixing one side use the special-purpose paint sprayer of coating.Commercially available device has the GX7GUN of Gasmer company (U.S.) etc.
The average thickness of the waterproofing course that forms is advisable with 1mm～5mm, more preferably 2mm～3mm.If cross thinly, not only can not give full play to the function of waterproofing course, and because hydraulic pressure also is easy to cracking.And, concavo-convex because of lower floor, if thin excessively, probably jut can partly penetrate waterproofing course.On the other hand,,, need a lot of materials though the function of waterproofing course has no change if blocked up, not only waste, and also the shrinkage stress when probably solidifying can hinder ground and waterproofing course bonding.In addition, the elongation rate of the resin after the curing serves as preferred with 50%～1000%, more preferably 300%～500%.For satisfying in the construction and with the durability of afterload, if elongation rate is too small, easy fracture probably; If excessive, then film-strength diminishes, and water-proof function probably can reduce.
As this bi-component gel-type resin A, be meant bi-component curable polyurethane resin and/or be carbamide resin.More specifically, these resins are by the polyamine composition and/or be that polyol component and PIC composition constitute.What obtain when using the polyamine composition is the polyurea mixture, and what obtain when using polyol component is the polyurethanes resin compound.Also have, what obtain when using the mixture of polyamine composition and polyol component is the polyurethane/polyurea based resin composition.Wherein can also use polyurea resin composition in right amount.As such commercial resins, can enumerate Tough guard R-M (refer to touch hardening time: in the time of 20 ℃ about 10 seconds), Tough guardR-G (refer to touch hardening time: in the time of 20 ℃ about 5 seconds) (all being that Nippon Paint Co., Ltd makes) etc.
There is no particular limitation as above-mentioned polyamine composition, for example, can enumerate polyoxyalkylene polyamines (polyoxyalkylenepolyamines), aromatic diamine, reach these mixture of ingredients.
As above-mentioned polyoxyalkylene polyamines, for example, can enumerate the polymer that contains the amino of plural aliphatic combination in number-average molecular weight 200～10000, each molecule, such polymer, for example, can be by using hydrogenation one dehydrogenation catalyzer, the terminal hydroxy that makes the polyoxyalkylene polyol (polyoxyalkylenepolyols) that contains two above hydroxys at least obtains with method such as ammonia react under HTHP.
As above-mentioned aromatic diamine, for example, should use do not have electron-withdrawing group in the aromatic proton and have the active aromatic diamine (still, toluenediamine except) of the alkyl substituent of carbon number 1～5 at the adjoining position of amino, can enumerate 1 particularly, 3-dimethyl-2,4-diaminobenzene, 1,3-diethyl-2,4-diaminobenzene, 1,3-dimethyl-2,6-diaminobenzene etc.
As above-mentioned polyol component, then there is no particular limitation, for example, can enumerate PPG, PEPA, contain the acrylic resin of hydroxy etc.And, the character of the cured resin film that obtains for adjusting, suitable and with the material of the HMW of low-molecular-weight material and 1000～about 10000 of number-average molecular weight less than 62～1000.
As above-mentioned PIC, can enumerate the mixture of organic PIC, isocyanate prepolymer or these materials etc.There is no particular limitation for above-mentioned organic PIC, can use well-known organic PIC etc., for example can enumerate the organic PIC of aromatic series, the organic PIC of aliphatic etc.As above-mentioned isocyanate prepolymer, for example, can enumerate part prepolymer that the polyol reaction of the part that makes the isocyanate group in organic PIC and number-average molecular weight 200～8000 obtains etc.
As above-mentioned PIC composition and above-mentioned polyamine and/or be the mixing ratio of polyol component, with respect to the NCO in the above-mentioned PIC composition, above-mentioned polyamine and/or be that the amino in the polyol component and the equivalent proportion of hydroxy are preferably 1/0.7～1/1.5 ratio.
By above-mentioned PIC composition and above-mentioned polyamine and/or be that the bi-component gel-type resin that polyol component constitutes is preferably no-solvent type.And, also can contain above-mentioned composition in addition, for example, if desired, can also use auxiliary agents such as plasticizing agent commonly used, fire retardant, filler, various stabilizing agent, colorant.
Use the waterproofing course material of job practices of the present invention, must reach in 1 minute soon because it refers to touch hardening time, so ground and end rising edge face can form a banded waterproofing course that does not have interface, thereby water-proof function is outstanding.End rising edge face herein if provide example, is exactly as shown in Figure 2, the part that the end rising edge portion 16 of waterproofing course 13 contacts with the vertical walls of ground base concrete 11.And, use the situation of sheet material different with being used to form waterproofing course, be difficult for entering air between it and ground, make the cohesive excellence of ground and waterproofing course, be difficult for producing skew etc.And can implement the construction of another layer adhesive layer immediately, thereby make operating efficiency good.
Then, B is coated on the waterproofing course with the bi-component gel-type resin, forms adhesive layer 4.As the method for coating, can be individually or use well-known methods such as road roller, hairbrush, trowel, scraper, spraying in combination.Because the bi-component gel-type resin A of waterproofing course is as mentioned above, curing rate is fast, thus also can according to preset time apply continuously at interval waterproofing course and on adhesive layer.As long as on new waterproofing course surface, can promptly apply adhesive layer, just can improve bonding force.Finger as this bi-component gel-type resin B touches hardening time, and then 5 minutes～120 minutes serving as preferred, 60 minutes～90 minutes for more preferably.If the time is too short, then the activity duration of following one asphalt mixture insufficient, on the other hand,, and probably can not obtain sufficient bondline thickness if overlong time not only reduces operating efficiency.Bi-component was both mixed and can be implemented before being about to coating, also can adopt one side to mix the job practices of one side coating.
The average thickness of the adhesive layer that forms serves as preferred with 0.5mm～3mm, more preferably 0.7mm～1.5mm.If cross thinly, the performance of adhesive layer is insufficient; If blocked up then waste material.In addition, the elongation rate of the resin after the curing is advisable with 200%～1500%, and more preferably 600%～1200%.Because keep in the construction and the durability to a certain degree of later load, if elongation rate is too small, easy fracture probably; If excessive, probably can reduce bond properties.And, if consider and the relation of the elongation rate of following waterproofing course that preferably the elongation rate than waterproofing course is bigger.This be for improve to the construction in and subsequent the load durability.
As above-mentioned bi-component gel-type resin B, be meant bi-component curable polyurethane resin and bi-component curing type carbamide resin, for example, by the polyamine composition and/or be the resin that polyol component and PIC composition constitute.What obtain when using the polyamine composition is to be made of polyurea resin composition, and what obtain when using polyol component is to be made of the polyurethanes resin combination.What obtain when in addition, using the mixture of polyamine composition and polyol component is to be made of the polyurethane/polyurea based resin composition.Wherein can also use the polyurea mixture in right amount.As so commercially available resin, can exemplify out Tough guard R-P (refer to touch hardening time: in the time of 20 ℃ about 90 minutes) (Nippon Paint Co., Ltd's system).
If describe the polyurea mixture for example in detail, then have at least in the molecule of this mixture with aromatic series polyamine (a-1) 50% weight portion that contains amine equivalent 400～800 and amine equivalent 80～300 with polyolefin chain or polyalkylene oxide chain 2 aliphatic amino polyoxyalkylene polyamines (a-2) 0～15% weight portion polyamine composition (A) and be advisable by the carbamide resin mixture that polyisocyanate compounds (B) constitutes.At this, can use aromatic series polyamine (a-1) to postpone curing rate, use polyoxyalkylene polyamines (a-2) to accelerate curing rate.
As aromatic series polyamine (a-1), in the commercially available prod, can enumerate Elasmer 1000 (amine equivalent is about 620, Ihara Chemicals, Japan makes), Elasmer 1000P (amine equivalent about 550, the former KCC of well system) etc.
As polyoxyalkylene polyamines (a-2), in the commercially available prod, can enumerate JefermineD-230 (amine equivalent about 120, Huntsman Corporation, USA makes), JefermineD-400 (amine equivalent about 200, Huntsman Corporation, USA makes) etc.
As above-mentioned PIC composition, can enumerate the mixture of organic PIC, isocyanate prepolymer or these materials etc.Then there is no particular limitation as above-mentioned organic PIC, can use well-known PIC etc., for example can enumerate aromatic poly-isocyanate class, aliphatic polymeric isocyanate class etc.As above-mentioned isocyanate prepolymer, can enumerate part prepolymer that the polyol reaction of the part that makes the NCO in organic PIC and mean molecule quantity 200～8000 obtains etc.
In the commercially available prod, can enumerate for example Millionate MLT (Nippon PolyurethaneIndustry, the Japan manufacturing), Millionate MLT-S (Nippon Polyurethane Industry, Japan makes), Colonate MX (Nippon Polyurethane Industry, Japan makes) etc.
As above-mentioned PIC composition and above-mentioned polyamine and/or be the mixing ratio of polyol component, with respect to the NCO in the above-mentioned PIC composition, above-mentioned polyamine and/or be that the amino in the polyol component and the equivalent proportion of hydroxy are preferably 1/0.7～1/1.5 ratio.
By above-mentioned PIC composition and above-mentioned polyamine and/or be that the bi-component gel-type resin that polyol component constitutes is preferred with the no-solvent type.And, also can contain above-mentioned composition in addition, for example, if desired, can also use auxiliary agents such as plasticizing agent commonly used, fire retardant, filler, various stabilizing agent, colorant.
After having laid adhesive layer as described above, asphalt mixture before this adhesive layer solidifies fully forms the layer 5 of mating formation.Uncured adhesive layer is used to increase the cohesive with asphalt mixture.Especially, if a part as the uncured resin of adhesion-layer materials is absorbed by asphalt mixture one side and solidify, the fusible effect of further increase and asphalt mixture is just arranged.Normally adding hot-mix asphalt makes it to lay with the form of hot-mix asphalt.This heat is considered to accelerate the curing rate of the adhesion-layer materials of laying under the normal temperature, and is easy to finish the curing of adhesive layer before uncured jointing material is fully absorbed by asphalt mixture.
As mentioned above, make be coated in ground on the base concrete bi-component curing type carbamide resin and/or be that bi-component curable polyurethane resin (bi-component gel-type resin A) promptly solidifies, form seamless waterproofing course, thus with ground base concrete formation one.Form the bi-component curing type carbamide resin of waterproof adhesive layer thereon and/or be bi-component curable polyurethane resin (bi-component gel-type resin B), solidify because lay the back, so have the waterproofing course of making and mat formation the firmly incorporate effect of layer at asphalt mixture.
Embodiment
Below specify embodiments of the invention.At first, on the ground base concrete, apply aqueous epoxy resin primer (Tough guard R-W priming paint, Nippon Paint Co., Ltd's system), after the priming paint drying, coating forms the bi-component curing type carbamide resin (bi-component gel-type resin A) (Tough guard R-G or Tough guard is R-M, be Nippon Paint Co., Ltd's system) of waterproofing course.Then, coating forms the bi-component curing type carbamide resin (bi-component gel-type resin B) (Tough guard R-P, Nippon Paint Co., Ltd's system) of bonding waterproofing course, before curing, lays the asphalt mixture that forms the layer of mating formation in the above.
In the present embodiment, the coating amount of used aqueous epoxy resin primer is per 1 square metre 0.04 kilogram, the coating amount of used bi-component curing type carbamide resin (bi-component gel-type resin A) is per 1 square metre 1.1 kilograms (counting 1mm with thickness) or 2.2 kilograms (thickness 2mm), and the coating amount of used bi-component curing type carbamide resin (bi-component gel-type resin B) also is per 1 square metre 1.1 kilograms (counting 1mm with thickness) or 2.2 kilograms (thickness 2mm).
Outside air temperature in the above-mentioned operation is 9 ℃, and the foundation surface temperature also is 9 ℃.The aqueous epoxy resin primer of coating is approximately through 60 minutes dryings.The finger of Tu Fu bi-component curing type carbamide resin (bi-component gel-type resin A) touches and is about 10 seconds hardening time in the above.Then, coating bi-component curing type carbamide resin (bi-component gel-type resin B) is after this laid the asphalt mixture through heating in the time of 154 ℃.Make the temperature of laying groundwork (coated surface of bi-component curing type carbamide resin (bi-component gel-type resin A)) reach 90 ℃ immediately with the waste heat that adds hot-mix asphalt, rise to 120 ℃ after about 3 minutes.
Tension test with rock core cutter incision otch, is implemented in mat formation after finishing second day.The results are summarized in the table 1.R-W priming paint is meant that Tough guard R-W priming paint, R-M are meant that Tough guard R-M, R-G are meant Tough guard R-G in table, uncured being meant under the uncured state of adhesive layer laid asphalt mixture, and solidifying finishes is meant asphalt mixture after adhesive layer solidifies.And be for+silica sand X number 1～No. 3 silica sand to be dispersed in respectively to solidify improve cohesive ground on the adhesive layer that finishes and implement with existing method.Numeral target average thickness in the bracket, result of the test " well " means that the asphalt mixture that forms the layer of mating formation in tension test partly locates complete rupture, ground and waterproofing course (film), waterproofing course and the various bonding forces of the interlayer of mating formation are abundant, and after making each layer formation take core to measure the thickness of waterproofing course (film) integratedly, form expected result.Known to table, embodiment can both obtain expected result.
Table 1
Table 1 embodiment result guide look
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| Priming paint | R-W priming paint | R-W priming paint | R-W priming paint | R-W priming paint | R-W priming paint | R-W priming paint |
| Waterproofing course | ??R-G ?(1mm) | ???R-G ??(1mm) | ????R-G ???(2mm) | ???R-G ??(2mm) | ??R-M ??(1mm) | ???R-M ??(1mm) |
| Adhesive layer | R-P uncured (1mm) | R-P uncured (2mm) | R-P uncured (1mm) | R-P uncured (2mm) | R-P uncured (1mm) | R-P uncured (2mm) |
| Result of the test | Well | Well | Well | Well | Well | Well |
The continuous embodiment result's guide look of table 1
| Embodiment 7 | Embodiment 8 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | |
| Priming paint | R-W priming paint | The R-W prepolymer | The R-W prepolymer | The R-W prepolymer | The R-W prepolymer | The R-W prepolymer |
| Waterproofing course | ???R-M ??(2mm) | ????R-M ???(2mm) | ????R-M ???(2mm) | ????R-M ???(2mm) | ????R-M ???(2mm) | ????R-M ???(2mm) |
| Adhesive layer | R-P uncured (1mm) | R-P uncured (2mm) | No. 1, R-P curing finishing (1mm)+silica sand | No. 2, R-P curing finishing (1mm)+silica sand | No. 3, R-P curing finishing (1mm)+silica sand | R-P solidifies finish (1mm) |
| Result of the test | Well | Well | Bad | Bad | Bad | Bad |
Claims (8)
1. ground waterproof construction method, it is characterized in that, after forming the waterproofing course that constitutes by gel-type resin A on the ground, on described waterproofing course, form the adhesive layer that constitutes by the gel-type resin B longer than the hardening time of described gel-type resin A, then, when this adhesive layer is also uncured, on this adhesive layer, lay asphalt mixture.
2. ground waterproof construction method as claimed in claim 1 is characterized in that, described gel-type resin A and/or be that described gel-type resin B is the bi-component gel-type resin.
3. ground waterproof construction method as claimed in claim 1 or 2 is characterized in that, described Resin A is polyurethane resin and/or is carbamide resin that described resin B is polyurethane resin and/or is carbamide resin.
4. as each described ground waterproof construction method in the claim 1 to 3, it is characterized in that it is 2 seconds to 60 seconds that the finger of described bi-component gel-type resin A touches hardening time, it is 5 minutes to 120 minutes that the finger of described bi-component gel-type resin B touches hardening time.
5. as each described ground waterproof construction method in the claim 1 to 4, it is characterized in that the elongation rate after the curing of described Resin A is 50～1000%, the elongation rate after the curing of described resin B is 200～1500%.
6. as each described ground waterproof construction method in the claim 1 to 5, it is characterized in that the average thickness of described waterproofing course is 1mm～5mm, the average thickness of described adhesive phase is 0.5mm～3mm.
7. as each described ground waterproof construction method in the claim 1 to 6, it is characterized in that, between described ground and described waterproofing course, form prime coat.
8. a ground waterproof construction is characterized in that, forms waterproofing course on ground, forms on this waterproofing course in the adhesive layer, is laying asphalt mixture under the state with a part of sneaking into the resin that constitutes this adhesive layer on this adhesive layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001364699A JP2003166209A (en) | 2001-11-29 | 2001-11-29 | Method and structure for waterproofing floor slab |
| JP2001364699 | 2001-11-29 |
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|---|---|
| CN1421576A true CN1421576A (en) | 2003-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02153040 Pending CN1421576A (en) | 2001-11-29 | 2002-11-29 | Foundation waterproof construction method and waterproof structure |
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| CN (1) | CN1421576A (en) |
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| JP6684175B2 (en) * | 2016-07-01 | 2020-04-22 | 大日本塗料株式会社 | Concrete exfoliation prevention method |
| JP7287804B2 (en) * | 2018-03-15 | 2023-06-06 | 株式会社レクスポート | Construction method |
-
2001
- 2001-11-29 JP JP2001364699A patent/JP2003166209A/en not_active Withdrawn
-
2002
- 2002-11-29 CN CN 02153040 patent/CN1421576A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114610A (en) * | 2013-03-16 | 2013-05-22 | 魏勇 | Structure for preventing cold and dew formation on building ground and construction method thereof |
| CN109914237A (en) * | 2018-12-29 | 2019-06-21 | 中国铁道科学研究院集团有限公司金属及化学研究所 | A kind of complex waterproof layer and its construction method for railway Ballast track concrete bridge deck |
| CN109914237B (en) * | 2018-12-29 | 2021-07-20 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Composite waterproof layer for railway ballast track concrete bridge floor and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003166209A (en) | 2003-06-13 |
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