CN103922799A - Preparation method for asphalt alkali-preventing water-resisting agent and construction method for applying same in prevention of efflorescence of stone - Google Patents
Preparation method for asphalt alkali-preventing water-resisting agent and construction method for applying same in prevention of efflorescence of stone Download PDFInfo
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- CN103922799A CN103922799A CN201410093261.2A CN201410093261A CN103922799A CN 103922799 A CN103922799 A CN 103922799A CN 201410093261 A CN201410093261 A CN 201410093261A CN 103922799 A CN103922799 A CN 103922799A
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Abstract
The invention relates to a preparation method for an asphalt alkali-preventing water-resisting agent and a construction method for applying the same in prevention of efflorescence of stone. Measures are taken to prevent efflorescence. The preparation method for the asphalt alkali-preventing water-resisting agent is characterized by comprising the following operation steps: 1) weighing and boiling of asphalt; and 2) preparation of the asphalt alkali-preventing water-resisting agent. With the construction method provided by the invention, efflorescence of a natural stone wall surface laid in wet conditions can be effectively prevented, occurrence of efflorescence can be completely avoided as long as links like designing, material selection and construction are strictly checked and scientific control is controlled out, and the ancient building material--natural stone is allowed to play an amazing role in modern buildings.
Description
Technical field
The present invention relates to a kind of preparation method of pitch alkali prevention water-resisting agent and use said preparation to prevent the constructional method of the stone material accumulation of salt in the surface soil, for the origin cause of formation of accumulation of salt in the surface soil phenomenon, taking measures to prevent.
Background technology
During installation, stone material plate there will be like " watermark " the same patch wet combining natural stone metope, along with edge pastes the sclerosis of mortar and is dried, " watermark " can be dwindled a little, and even some disappears, and it isolates, appears in plate dispersedly, indoor degree is not serious, affects outward appearance little.But, along with time lapse, particularly exterior wall meets with rainwater or wet weather repeatedly, the positions such as water slave plate seam, the foot of a wall are invaded, and the water spots of natural stone becomes greatly gradually, and are linked to be sheet at plate seam, plate local deepened, gloss dimness, plate stitch the concurrent white xln of separating out, do not take off all the year round, have a strong impact on outward appearance, this kind of phenomenon is called accumulation of salt in the surface soil phenomenon.
Analyze reason that accumulation of salt in the surface soil phenomenon produces and mainly contain some:
1. lithotome crystallization is relatively thick, there are many kapillaries that are invisible to the naked eye, grouan pore rate is 0.5～1.5%, marble pore rate is 0.5～2.0%, its anti-permeability performance is not as conventional cement mortar, the water-intake rate 0.2～1.7% of grouan, lower, water still can pass to other one side by the kapillary immersion face by stone material.This specific character of lithotome and the existence of pore, for the infiltration of the materials such as the water in adhesives, alkali, salt with separate out and form the accumulation of salt in the surface soil passage is provided.
2. matrix material produces containing component substances such as alkali, salt.Be mainly edge subsides mortar and separate out Ca(OH)
2(calcium hydroxide) also follows unnecessary mixing water, and along the free invasion of the pore plate of stone material, mixing water is more, moves to the Ca(OH on mortar surface)
2just more, after moisture evaporation, Ca(OH)
2just stockpile in plate.Other, as added the admixture that contains sodium Na+ in cement, the Na+ that clay brick soil contains, Mg2+, K+, Ca2+, C1-, So42-, C032-etc., meet water dissolution, can be penetrated in stone material pore, forms phenomenons such as " Bai Hua ".What matrix material produced is to infiltrate the direct Material Source that stone material pore produces the accumulation of salt in the surface soil containing component substances such as alkali, salt.
3. the infiltration of water.Due to cement fine sand mortar-chalked joint for outer wall joint, make waterproof effect poor; The surface water (or moist) is invaded stone plate along body of wall or screed; During installation, to reasons such as stone material watering are too much, make water invasion stone plate, and dissolve in Ca(OH)
2enter stone material kapillary with other salts substances and form the accumulation of salt in the surface soil.Visible, water is solvent and the carrier of accumulation of salt in the surface soil material.Accumulation of salt in the surface soil occurring principle.
Chinese invention patent application (application number: 201110411036.5) disclose a kind of " a kind of anti-accumulation of salt in the surface soil stone material laying method ", key step is: 1) slabstone is coated with special treating agent at back face of stone and the side back of the body before installing, and makes this solvent can effectively penetrate into stone material and stops up kapillary; 2) slabstone edge pastes and adopts viscose glue mud to paste; 3) metope plate adopts gap edge to paste, and stitches wide 5-8mm, uses stone material silicon special cave sealant sealing; 4) after edge has pasted, outdoor stone material gross area is coated with to water-resisting agent; Tap water filters through special-purpose water quality resin filter, and tap water ion content reduces.Disclosed special treating agent is that main ingredient is water-soluble paraffin, yet the sticking power of water-soluble paraffin is inadequate, and life-time service easily comes off, thereby causes the anti-accumulation of salt in the surface soil ability of stone material to weaken.
Summary of the invention
The object of the invention is to overcome existing the problems referred to above in prior art, for the origin cause of formation of accumulation of salt in the surface soil phenomenon, can be corresponding to cutting off the approach of the accumulation of salt in the surface soil, reduce Ca(OH)
2, the resultant such as salt and the intrusion three aspects: that reduces water take measures, prevent.
The present invention solves the problems of the technologies described above adopted technical scheme: the preparation method of this pitch alkali prevention water-resisting agent, get pitch, and it is characterized in that operation steps is:
1) step that pitch boils, is first broken into fragment by pitch, puts into tar kettle homogeneous heating, in heat-processed, stirs at any time, after thawing, with strainer, drags in time foreign material clearly, until dehydration non-foam can;
2) configuration step of pitch alkali prevention water-resisting agent, the pitch that above-mentioned steps makes and diesel oil are mixed to get pitch alkali prevention water-resisting agent, its proportioning is: pitch: diesel oil=40:60, and concrete steps are that the pitch that above-mentioned steps is made packs in container, be cooled to 110 ℃, slowly inject diesel oil, with injecting with stirring, till it is all dissolved, during blanking, should be in batches, on a small quantity, slowly.
As preferably, described in boil container oil cauldron that pitch uses and must not feed and be once filled with, be no more than at most 3/4 of oil cauldron volume, the temperature of pitch is no more than 80 ℃, must not have inflammable substance near in layoutprocedure, must not smoking with have naked light, guarantee to ventilate.。
A constructional method for the stone material prevention accumulation of salt in the surface soil, is characterized in that: the pitch alkali prevention water-resisting agent that uses the claims to make, and step is as follows:
1) relevant stone material should first be checked rear use, not only require outward appearance, size qualified, and its physical performance index is also qualified, first the dust of stone surface, foreign material is cleaned out, secondly can use stone material accumulation of salt in the surface soil clean-out system on the market to brush sheet material.This clean-out system is the colourless translucent liquid of being made by the tensio-active agent of non-ionic type and solvent etc., for the cleaning of the lithotome surface accumulation of salt in the surface soil, has certain effect;
2) step of brushing pitch alkali prevention water-resisting agent, before brushing, again check that stone material substrate surface is dry, smooth, then with pitch alkali prevention water-resisting agent, sheet material basic unit big area is coated with and is brushed one times, after 12-48 hour pitch alkali prevention water-resisting agent is dry, brush again pitch alkali prevention water-resisting agent second time, in brushing process, should guarantee evenly without show-through, every all over brushing assurance thickness at 1.4-1.6mm, be preferably 1.5mm, slabstone is coated with alkali prevention water-resisting agent at back face of stone and the side back of the body before installing, and this solvent will infiltrate stone material and stop up kapillary, make water, Ca(OH)
2, other materials such as salt cannot invade, and have cut off the approach of accumulation of salt in the surface soil phenomenon.Without the back of the body, be coated with and process, the accumulation of salt in the surface soil is inevitable, and the cementability that is coated with the stone material of processing through the back of the body is unaffected;
3) reduce Ca(OH)
2, the step that generates of salt material, the sand-cement slurry of edge subsides use is mixed the water reducer of 2-3% weight percent, then by wet combining method edge, paste the stone material after above-mentioned steps is processed, slurry consistency is preferably 5-7cm, outdoor edge pastes can adopt cement based commercially available glue stick, it has good water-retentivity, can greatly alleviate cement setting bleeding.Indoor edge pastes and can adopt stone material chemical adhesive point sticky;
4) step of quality test, after twice brushing completes and is dry, can be by checking after trickle or rain.
The invention has the beneficial effects as follows: by above-mentioned constructional method, can effectively prevent the wet combining natural stone metope accumulation of salt in the surface soil, as long as be rigid in checking up in design, material, each link of constructing, scientific prevention and cure, just can avoid the generation of accumulation of salt in the surface soil phenomenon completely, making this ancient material of construction of lithotome is that modern architecture presents radiance again.
Embodiment
Below by embodiment, the invention will be further described.
Embodiment mono-: the preparation method of the pitch alkali prevention water-resisting agent in the present embodiment, get pitch, and operation steps is:
1) step that pitch boils, is first broken into fragment by pitch, puts into tar kettle homogeneous heating, in heat-processed, stirs at any time, after thawing, with strainer, drags in time foreign material clearly, until dehydration non-foam can;
2) configuration step of pitch alkali prevention water-resisting agent, the pitch that above-mentioned steps makes and diesel oil are mixed to get pitch alkali prevention water-resisting agent, its proportioning is: pitch: diesel oil=40:60, concrete steps are, the pitch that above-mentioned steps is made packs in container, be cooled to 110 ℃, slowly inject diesel oil, with injecting with stirring, till it is all dissolved, during blanking, should be in batches, on a small quantity, slowly, oil cauldron must not feed and is once filled with, be no more than at most 3/4 of oil cauldron volume, the temperature of pitch should not be over 80 ℃, near in layoutprocedure, must not there be inflammable substance, must not smoking with have naked light, guarantee to ventilate.
Embodiment bis-: a kind of constructional method of the stone material prevention accumulation of salt in the surface soil, and the pitch alkali prevention water-resisting agent that uses above-described embodiment to make, step is as follows:
1) relevant stone material should first be checked rear use, not only require outward appearance, size qualified, and its physical performance index is also qualified, first the dust of stone surface, foreign material is cleaned out, secondly can use stone material accumulation of salt in the surface soil clean-out system on the market to brush sheet material.This clean-out system is the colourless translucent liquid of being made by the tensio-active agent of non-ionic type and solvent etc., for the cleaning of the lithotome surface accumulation of salt in the surface soil, has certain effect;
2) step of brushing pitch alkali prevention water-resisting agent, before brushing, again check that stone material substrate surface is dry, smooth, then with pitch alkali prevention water-resisting agent, sheet material basic unit big area is coated with and is brushed one times, after 12-48 hour pitch alkali prevention water-resisting agent is dry, brush again pitch alkali prevention water-resisting agent second time, in brushing process, should guarantee evenly without show-through, every all over brushing assurance thickness at 1.4-1.6mm, be preferably 1.5mm, slabstone is coated with alkali prevention water-resisting agent at back face of stone and the side back of the body before installing, and this solvent will infiltrate stone material and stop up kapillary, make water, Ca(OH)
2, other materials such as salt cannot invade, and have cut off the approach of accumulation of salt in the surface soil phenomenon, if be coated with and process without the back of the body, the accumulation of salt in the surface soil is inevitable, and it is unaffected through the back of the body, to be coated with the cementability of the stone material of processing;
3) reduce Ca(OH)
2, the step that generates of salt material, the sand-cement slurry of edge subsides use is mixed the water reducer of 2-3% weight percent, water reducer is external additive, market is on sale, then by wet combining method edge, pastes the stone material after above-mentioned steps is processed, and slurry consistency is preferably 5-7cm, it is the measured denseness of distance that hard thing falls into mortar, outdoor edge pastes can adopt cement based commercially available glue stick (dry blend), and it has good water-retentivity, can greatly alleviate cement setting bleeding.Indoor edge pastes and can adopt stone material chemical adhesive point sticky;
4) step of quality test, after twice brushing completes and is dry, can be by checking after trickle or rain.
Above content described in this specification sheets is only to structure example of the present invention explanation.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. a preparation method for pitch alkali prevention water-resisting agent, gets pitch, it is characterized in that operation steps is:
1) step that pitch boils, is first broken into fragment by pitch, puts into tar kettle homogeneous heating, in heat-processed, stirs at any time, after thawing, with strainer, drags in time foreign material clearly, until dehydration non-foam can;
2) configuration step of pitch alkali prevention water-resisting agent, the pitch that above-mentioned steps makes and diesel oil are mixed to get pitch alkali prevention water-resisting agent, its proportioning is: pitch: diesel oil=40:60, and concrete steps are that the pitch that above-mentioned steps is made packs in container, be cooled to 110 ℃, slowly inject diesel oil, with injecting with stirring, till it is all dissolved, during blanking, should be in batches, on a small quantity, slowly.
2. the preparation method of pitch alkali prevention water-resisting agent according to claim 1, is characterized in that: described in boil container oil cauldron that pitch uses and must not feed and be once filled with, be no more than at most 3/4 of oil cauldron volume, the temperature of pitch is no more than 80 ℃.
3. stone material prevents a constructional method for the accumulation of salt in the surface soil, it is characterized in that: the pitch alkali prevention water-resisting agent that uses the claims to make, and step is as follows:
1) first the dust of stone surface, foreign material are cleaned out, next uses stone material accumulation of salt in the surface soil clean-out system to brush sheet material, and this clean-out system is to be the main liquid of making by the tensio-active agent of non-ionic type and solvent;
2) step of brushing pitch alkali prevention water-resisting agent, before brushing, again check that stone material substrate surface is dry, smooth, then with pitch alkali prevention water-resisting agent, sheet material basic unit big area is coated with and is brushed one times, after 12-48 hour pitch alkali prevention water-resisting agent is dry, brush again pitch alkali prevention water-resisting agent second time, in brushing process, should guarantee even without show-through, every all over brushing assurance thickness at 1.4-1.6mm;
3) reduce Ca(OH)
2, the step that generates of salt material, the water reducer that the sand-cement slurry that edge pastes use is mixed 2-3% weight percent, then pastes the stone material after above-mentioned steps is processed by wet combining method edge, slurry consistency is preferably 5-7cm, outdoor edge subsides can adopt cement based commercially available glue stick;
4) step of quality test, after twice brushing completes and is dry, can be by checking after trickle or rain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410093261.2A CN103922799A (en) | 2014-03-14 | 2014-03-14 | Preparation method for asphalt alkali-preventing water-resisting agent and construction method for applying same in prevention of efflorescence of stone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410093261.2A CN103922799A (en) | 2014-03-14 | 2014-03-14 | Preparation method for asphalt alkali-preventing water-resisting agent and construction method for applying same in prevention of efflorescence of stone |
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| CN103922799A true CN103922799A (en) | 2014-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104164960A (en) * | 2014-06-25 | 2014-11-26 | 江苏东珠景观股份有限公司 | Outdoor stone pavement alkali efflorescence prevention processing method |
| CN109056985A (en) * | 2018-09-01 | 2018-12-21 | 深圳市奥城景观工程设计有限公司 | The anti-accumulation of salt in the surface soil construction method in gardens pond |
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| CN109056985A (en) * | 2018-09-01 | 2018-12-21 | 深圳市奥城景观工程设计有限公司 | The anti-accumulation of salt in the surface soil construction method in gardens pond |
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Application publication date: 20140716 |