CN106284693A - A kind of powdery sealing permeability-reducing admixture and construction method thereof - Google Patents

A kind of powdery sealing permeability-reducing admixture and construction method thereof Download PDF

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Publication number
CN106284693A
CN106284693A CN201610718104.5A CN201610718104A CN106284693A CN 106284693 A CN106284693 A CN 106284693A CN 201610718104 A CN201610718104 A CN 201610718104A CN 106284693 A CN106284693 A CN 106284693A
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Prior art keywords
reducing admixture
powdery sealing
sealing permeability
construction method
permeability
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CN201610718104.5A
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CN106284693B (en
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何立明
刘国良
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • 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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284—Materials permeable to liquids
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials

Abstract

The present invention relates to a kind of powdery sealing permeability-reducing admixture and use the construction method of this powdery sealing permeability-reducing admixture, described powdery sealing permeability-reducing admixture, is that supplementary material is made through mixing grinding by silicon dioxide, politef, Pulvis Talci；The construction technique step of described powdery sealing permeability-reducing admixture is: first carries out the cleaning in crack, then carries out the construction to waterproof layer, increases bed course as required, the most also need to arrange protective layer maintenance on waterproof layer or bed course on waterproof layer.The powdery sealing permeability-reducing admixture of the present invention and low energy consumption in using the construction method production and application of powdery sealing permeability-reducing admixture, without waste water, without waste gas, pollution-free, easy to use.

Description

A kind of powdery sealing permeability-reducing admixture and construction method thereof
Technical field:
The present invention relates to a kind of powdery sealing permeability-reducing admixture and construction method thereof.
Background technology:
Now, metallurgical, chemical industry is anti-pollution, antiseepage, pipeline waterproof, the waterproof aspect of mine all use permeability-reducing admixture, simultaneously work Industry and civil buildings, municipal administration, bridge, subway, tunnel, dam, the use of permeability-reducing admixture in the waterproof, seepage control engineering such as golf course More extensive, so the requirement to permeability-reducing admixture is more and more higher.Existing permeability-reducing admixture exists in terms of aging resistance, antioxidation , usually there is the waterproof layer cracking problem caused because expanding with heat and contract with cold in defect, and weatherability and less stable.Using antiseepage During agent construction, step is complicated, it is more difficult to operation.
Summary of the invention:
For above technical problem, the invention provides one and be widely used, the powdery sealing antiseepage that performance characteristics is excellent Agent, including as major ingredient hydrophobic type silicon dioxide and adjuvant；Mass percent >=3% of described hydrophobic type silicon dioxide；Described Adjuvant is politef, Pulvis Talci, barite, Hydrocerussitum (Ceruse), cement, calcium carbonate one therein or combination in any；By major ingredient and Adjuvant mix and blend 30-45 minute, after then grinding 90-120 minute, sieves, and granularity 200-400 mesh is finally packed. This product is nontoxic, tasteless, free of contamination Green Product.
Present invention also offers a kind of construction method using powdery sealing permeability-reducing admixture, for width splitting more than 0.5cm Seam, comprises the following steps:
A. use the special equipment cutting width crack more than 0.5cm, then clear up, it is desirable to no-sundries, nothing in crack Loose or dislocation, without hydrops；
B. use special pad device to be filled with powdery sealing permeability-reducing admixture, form waterproof layer, and levelling and smash Ram；
C. lay the non-woven fabrics that can degrade wide with crack, then lay fine sand or the quartz sand of 2-3cm, form one The bed course of individual two-layer；
D. on bed course, do 1: 2.5 cement mortar protective course that thickness is 2-3cm.
Further, the filling thickness of the waterproof layer of described step b is 2-3cm.
Further, in described step d, protective layer is smeared in two times, and two layers of joint part stagger, and protective layer requires smooth, and Watering maintenance.
Further, the bed course upper surface in described Step d can also be coated with silicone sealant or modified pitch as guarantor Sheath.
Present invention also offers a kind of construction method using powdery sealing permeability-reducing admixture, for width splitting less than 0.5cm Seam and random Craquelure, comprise the following steps:
A. special equipment is used to carry out pneumatic cleaning crack；
B. use flat board to smash the device that shakes to carry out smashing shaking and filled in crack by powdery sealing permeability-reducing admixture, form the waterproof layer in crack；
C., after waterproof layer completes, fracture is polished containing capping and cleans out, and doing thickness the most again is 0.5-1cm's 1: the 2.5 smooth protective layer of cement mortar, and maintenance of sprinkling water.
Further, the waterproof layer in described b step also can use special perfusion equipment through anhydrous alcohol solution After powdery sealing permeability-reducing admixture be irrigated, then natural drying 2-4 hour.
Further, the waterproof layer of described step c also can brush one times priming paint, treat that priming paint brushes one times surface oil after having done Paint is as protective layer.
Compared with prior art, usefulness of the present invention is: this product low energy consumption in production and application, without waste water, nothing Waste gas, pollution-free, easy to use.There is good aging resistance, antioxidation feature, can equivalent life same with building structure, have Good weatherability and stability, solve the waterproof layer cracking problem caused because expanding with heat and contract with cold.Good product mobility, stocking angle Little, construction environment is required low, construction temperature wide ranges, easily operates, easy construction.Waterproof, barrier performance is notable.
Detailed description of the invention:
A kind of powdery sealing permeability-reducing admixture, including as major ingredient hydrophobic type silicon dioxide and adjuvant；Described hydrophobic type titanium dioxide Mass percent >=3% of silicon；Described adjuvant is politef, Pulvis Talci (bulk density 0.3), barite, Hydrocerussitum (Ceruse), water Mud, calcium carbonate one therein or combination in any, wherein, hydrophobic type silicon dioxide and politef are all fluidizer, if On market, hydrophobic type silicon dioxide price is high, is meeting on the premise of hydrophobic type silicon dioxide proportioning lower limit is not less than 3%, permissible The former is substituted with the latter；By major ingredient and adjuvant mix and blend 30-45 minute, after then grinding 90-120 minute, sieve, granularity 200-400 mesh, finally packs.
Described powdery sealing permeability-reducing admixture bulk density needs according to construction condition can be by changing different densities Adjuvant is adjusted, when execution conditions at the construction field (site) need to increase described powdery sealing permeability-reducing admixture bulk density, and Ke Yishi With density big adjuvant such as Hydrocerussitum (Ceruse), quartz etc., execution conditions at the construction field (site) need to reduce described powdery sealing permeability-reducing admixture During bulk density, density little adjuvant such as Pulvis Talci etc. can be suitable for.
Case study on implementation 1: silicon dioxide is 5 grams, politef is 5 grams, and Pulvis Talci is 90 grams.
Case study on implementation 2: silicon dioxide is 10 grams, politef is 7 grams, and Hydrocerussitum (Ceruse) is 83 grams.
Case study on implementation 3: silicon dioxide is 15 grams, politef is 10 grams, and barite is 75 grams.
Case study on implementation 4: silicon dioxide is 15 grams, calcium carbonate is 10 grams, and barite is 75 grams.
Case study on implementation 5: silicon dioxide is 15 grams, cement is 10 grams, and Pulvis Talci is 75 grams.
Case study on implementation 6: silicon dioxide is 15 grams, politef is 10 grams, and barite is 75 grams.
The width crack more than 0.5cm, uses the construction method of powdery sealing permeability-reducing admixture, comprises the following steps:
A. carry out clearing up crack after using special equipment cutting, it is desirable in crack, no-sundries, non-loosening come off, without hydrops.
B. using special pad device to be filled with, filling thickness is 2cm, the most levelling and suitably smash rammer.
C. bed course has two-layer, first lays the non-woven fabrics that can degrade wide with crack, then lays the fine sand of 2cm Or quartz sand, levelling and tamp.
D., after setting cushion, 1: 2.5 cement mortar protective course that thickness is 2cm need to be done on bed course, smear in two times Becoming, two layers connect stubble and must stagger, and protective layer requires smooth, and the maintenance or be coated with silicone sealant or change at bed course upper surface of sprinkling water Property Colophonium.
Width is less than the crack of 0.5cm and random Craquelure, uses the construction method of powdery sealing permeability-reducing admixture, including Following steps:
A. special equipment is used to carry out pneumatic cleaning crack.
B. use flat board to smash the device that shakes to carry out smashing shaking and filled in crack by powdery sealing permeability-reducing admixture, formed crack waterproof layer or Use special perfusion equipment that the powdery sealing permeability-reducing admixture after anhydrous alcohol solution is irrigated, then natural drying 2-4 Hour.
C. after waterproof layer completes, fracture is polished and cleans out containing capping, do that thickness is 0.5cm the most again 1: The 2.5 smooth protective layers of cement mortar, and the maintenance or also can brush one times priming paint on waterproof layer of sprinkling water, treat that later brush done by priming paint One time surface is painted as protective layer.
It is emphasized that: be the most only presently preferred embodiments of the present invention, not the present invention is made any in form Restriction, any simple modification, equivalent variations and the modification that above example is made by every technical spirit according to the present invention, All still fall within the range of technical solution of the present invention.

Claims (8)

1. a powdery sealing permeability-reducing admixture, it is characterised in that: include as major ingredient hydrophobic type silicon dioxide and adjuvant；Described hydrophobic Mass percent >=3% of type silicon dioxide；Described adjuvant is politef, Pulvis Talci, barite, Hydrocerussitum (Ceruse), cement, carbonic acid Calcium one therein or combination in any；By major ingredient and adjuvant mix and blend 30-45 minute, after then grinding 90-120 minute, mistake Sieve, granularity 200-400 mesh, finally pack.
2. use a construction method for powdery sealing permeability-reducing admixture as claimed in claim 1, for width splitting more than 0.5cm Seam, it is characterized in that in, comprise the following steps:
A. use the special equipment cutting width crack more than 0.5cm, then clear up, it is desirable to no-sundries, non-loosening in crack Come off, without hydrops；
B. use special pad device to be filled with powdery sealing permeability-reducing admixture, form waterproof layer, and levelling and carry out smashing rammer；
C. lay the non-woven fabrics that can degrade wide with crack, then lay fine sand or the quartz sand of 2-3cm, form one two The bed course of layer；
D. on bed course, do 1: 2.5 cement mortar protective course that thickness is 2-3cm.
3. the powdery sealing permeability-reducing admixture construction method stated according to claim 2, it is characterized in that in, the waterproof layer of described step b Filling thickness is 2-3cm.
4. the powdery sealing permeability-reducing admixture construction method stated according to claim 2, it is characterized in that in, in described step d, protective layer divides Secondary is smeared into, and two layers of joint part stagger, and protective layer requires smooth, and maintenance of sprinkling water.
5. the powdery sealing permeability-reducing admixture construction method stated according to claim 2, it is characterized in that in, on the bed course in described Step d Surface is coated with silicone sealant or modified pitch as protective layer.
6. use a construction method for powdery sealing permeability-reducing admixture as claimed in claim 1, for the width crack less than 0.5cm And random Craquelure, it is characterized in that in, comprise the following steps:
A. special equipment is used to carry out pneumatic cleaning crack；
B. use flat board to smash the device that shakes to carry out smashing shaking and filled in crack by powdery sealing permeability-reducing admixture, form the waterproof layer in crack；
C. after waterproof layer completes, fracture is polished and cleans out containing capping, do that thickness is 0.5-1cm the most again 1: The 2.5 smooth protective layers of cement mortar, and maintenance of sprinkling water.
Powdery sealing permeability-reducing admixture construction method the most according to claim 6, it is characterised in that waterproof in described b step Layer can use special perfusion equipment that the powdery sealing permeability-reducing admixture after anhydrous alcohol solution is irrigated, natural drying 2- 4 hours.
Powdery sealing permeability-reducing admixture construction method the most according to claim 6, it is characterised in that the waterproof layer of described step c On also can brush one times priming paint, treat priming paint done after brush one times surface paint as protective layer.
CN201610718104.5A 2016-08-25 2016-08-25 A kind of construction method of powdery sealing permeability-reducing admixture Active CN106284693B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109574591A (en) * 2018-12-21 2019-04-05 科顺防水科技股份有限公司 A kind of leveling mortar with water-proof function

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CN101545320A (en) * 2008-03-25 2009-09-30 宝山钢铁股份有限公司 Method for compensation and anti-permeation of temperature difference cracks of ground concrete high-temperature pool
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CN101545320A (en) * 2008-03-25 2009-09-30 宝山钢铁股份有限公司 Method for compensation and anti-permeation of temperature difference cracks of ground concrete high-temperature pool
CN101654351A (en) * 2009-09-17 2010-02-24 苏州同济材料科技有限公司 Cementitious capillary crystalline waterproofing material
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CN105462304A (en) * 2015-12-25 2016-04-06 常熟市奇越新型建材科技有限公司 Dry powder coating material

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109574591A (en) * 2018-12-21 2019-04-05 科顺防水科技股份有限公司 A kind of leveling mortar with water-proof function
CN109574591B (en) * 2018-12-21 2021-10-26 科顺防水科技股份有限公司 Leveling mortar with waterproof function

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