CN103159440B - Cement based ungauged regions wall-through hole plugging material and preparation method thereof and constructional method - Google Patents
Cement based ungauged regions wall-through hole plugging material and preparation method thereof and constructional method Download PDFInfo
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Abstract
The present invention relates to a kind of cement based ungauged regions wall-through hole plugging material and preparation method thereof and constructional method, this material is formulated by weight by following component: cement 100, active admixture 0-100, water reducer 0.01-10, hardening accelerator 0.01-10, swelling agent 0.1-30, binding agent 0-20, hydrophober 0-10, plasticity-retention agent 0.01-30, starch ethers 0.01-10, powder filler 0-60, aggregate 0-300.Compared with prior art, the present invention has and has good workability, operable time is long, fresh paste has good plasticity, adhesive power and anti-pendant slip, and can adopt caulking gun or caulking machine extruding injection sealing hole, filling macropore also there will not be trickling phenomenon, can be filled to full completely, and to hole depths, fully seal, ensure the advantages such as sealing material plays one's part to the full.
Description
Technical field
The invention belongs to material of construction and technical field of building construction, especially relate to a kind of for novel plugging material building hole through walls and preparation method thereof and constructional method.
Background technology
A lot of hole through walls can be left in building operation, as for the through-wall bolt hole of the drawknot between the template of wall form medial and lateral, wall face climbing frame hole, interim with scaffold wall-passing hole hole, air-conditioning hole etc., for the hole that wall face is a large amount of, if mishandling, very easily hidden danger of quality can be caused after engineering comes into operation.Because wall-through hole shutoff eakiness causes the qualitative problems of construction of wall face seepage of common occurrence, bring very large puzzlement to owner, the dispute caused thus happens occasionally.At present, for the regulation and stipulation that the process materials and methods of these holes is ununified, modal method is manually cut a hole into about 5cm from hole from alien invasion, and with whipping agent or sand-cement slurry filling hole, it is high but also be easy to cause hole to fill eakiness to adopt in this way not only efficiency.Also have in engineering to adopt and chisel hole central filler whipping agent, cork stopper is squeezed in inner-outer wall both sides, in the porthole of inside and outside both sides, then clog that waterproof mortar carries out processing, although this method waterproof effect is better again, but construction process is loaded down with trivial details, efficiency is very low, and cost is also higher.Therefore develop a kind of easy construction, plugging effect wall-through hole sealing material that is good, reasonable price has very high practical value.
Summary of the invention
Object of the present invention is exactly provide a kind of to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions: a kind of cement based ungauged regions wall-through hole plugging material, and it is characterized in that, this material is formulated by weight by following component:
Described material is following formula preferably:
Described cement is selected from silicate cement, slag cement, trass cement, pulverized fuel ash cement, one or more in aluminosulfate cement or aluminate cement;
Described active admixture is selected from one or more in flyash, slag powders, colliery powder, silicon ash;
Described water reducer is selected from one or more in sulfonated lignin, Beta-methyl naphthalene sulphonate, melamino-formaldehyde polycondensate or polycarboxylate dehydragent;
Described hardening accelerator is selected from one or more in sodium sulfate, water glass, Starso, calcium formiate or calcium chloride;
Described swelling agent is ettringite or calcium oxide expansion agents;
Described binding agent is polymer emulsion or redispersable latex powder;
Described hydrophober is one or both in waterproofing agent of organosilicon, stearate;
Described plasticity-retention agent is one or more in wilkinite, diatomite, methylcellulose gum (HPMC), methyl hydroxyethylcellulose ether (MHPC), methylhydroxypropylcellulose ether (MHPC), hydroxyethyl ether cellulose (HEC), carboxymethyl cellulose (CMC) or lignocellulose (MC);
Described starch ethers is common starch ether or treated starch ether;
Described powder filler is one or more in silica powder, Paris white, potter's clay, talcum powder or mica powder;
Described aggregate is grating artificial sand or natural sand, pottery sand, pearlstone, expanded vermiculite, glass bead, polystyrene foam particles, one or more in zeolite, float stone, volcanic cinder and tufa.
Described polymer emulsion is selected from one or more in EVA emulsion, vinyl acetate emulsion, pure-acrylic emulsion, benzene emulsion, styrene-butadiene emulsion, the equal emulsion of vinegar; Redispersable latex powder is selected from the multipolymer of ethylene/vinyl acetate, ethene and vinylchlorid and moon silicic acid vinyl acetate terpolymer rubber powder, vinyl acetate and ethene and higher aliphatic vinyl acetate terpolymer rubber powder, vinyl acetate and higher aliphatic vinyl acetate copolymerization rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher aliphatic vinyl acetate terpolymer rubber powder, vinyl acetate homopolymerization rubber powder, one or more in vinylbenzene and butadiene copolymer rubber powder.
A kind of preparation method of cement based ungauged regions wall-through hole plugging material, it is characterized in that, various starting material are taken by formula, aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, swelling agent, binding agent, hydrophober, plasticity-retention agent, starch ethers is added successively in stirrer, stir, obtain single component powdery sealing material product, binding agent wherein used is redispersable latex powder.
A kind of preparation method of cement based ungauged regions wall-through hole plugging material, it is characterized in that, various powderous primary material is taken by formula, aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, swelling agent, plasticity-retention agent, starch ethers is added successively in stirrer, stir, obtain the component A of dry powder, this component A and binding agent are mixed to get two ingredient liquids sealing material product, binding agent wherein used is polymer emulsion.
A constructional method for cement based ungauged regions wall-through hole plugging material, it is characterized in that, the method comprises the following steps:
(1) before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim;
(2) take plugging material, add water (two component sealing plugging material also must add binding agent in proportion) in cement based ungauged regions wall-through hole plugging material in proportion, stir 3-5 minute, obtained uniform sealing blocking material slurry;
(3) by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by; Described caulking gun is handle type manual compression filling gun, and caulking machine is the special electric screw rod conveyor with feed bin.
If wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
(4) slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
Compared with prior art, the invention has the advantages that
(1) have good workability, operable time is long, fresh paste has good plasticity, adhesive power and anti-pendant slip, caulking gun or caulking machine extruding injection sealing hole can be adopted, filling macropore also there will not be trickling phenomenon, can be filled to full completely, and to hole depths, abundant sealing, ensures that sealing material plays one's part to the full.
(2) sealing material does not shrink, and strong with body of wall bonding force, periphery does not interspace, and can prevent the infiltration of moisture, ensures body of wall stopping property.
(3) this material has hydrophobic nature, impervious good, material itself there will not be water suction Seepage.
(4) this material is with cement and industrial residue for major gelled material, and cost is lower, is suitable for big area and uses.
(5) sealing material basicity low, white China can not be played, mate well with outside thermal insulation layer, protective layer.
(6) this materials ' durability good, there is not problem of aging, simultaneously also belong to non-combustible materials.
(7) this material is not containing hazardous solvent, radioactive substance, harmless, free from environmental pollution, belongs to ep-type material.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Preparation method: take various starting material by formula, aggregate (grating quartz sand), powder filler (Paris white), cement (P.O42.5 ordinary Portland cement), active admixture (slag micropowder), water reducer (naphthalene series high-efficiency water-reducing agent) is added successively in stirrer, hardening accelerator (anhydrous sodium sulphate), swelling agent (UEA swelling agent), binding agent (ethylene/vinyl acetate latex powder), hydrophober (organosilicon powder), plasticity-retention agent (methylcellulose gum) starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, add water in cement based sealing material, the water yield added is 17% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select the caulking gun of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by.
If 4. wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by previous process, have time of coagulation moderate, intensity is higher, has good workability, cohesive force is strong, impervious good feature, is applicable to through-wall bolt holes blocking.
Embodiment 2
Preparation method: take various starting material by formula, aggregate (grating quartz sand is added successively in stirrer,, pearlstone), cement (aluminosulfate cement 42.5 grades), active admixture (silicon ash), water reducer (melamine high-efficiency water-reducing agent), hardening accelerator (water glass), swelling agent (calcium oxide), hydrophober (organosilicon powder), plasticity-retention agent (wilkinite, hydroxyethyl ether cellulose), treated starch ether, stir, packaging forms power-product.Take binding agent by comparing, packaging forms liquid product.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, take sealing material dry powder and liquid product in proportion, water is measured by 20% of power-product weight, add in liquid product, stir, liquid after dilution is added in power-product, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select caulking gun or the caulking machine of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by.
If 4. wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on shutoff mortar until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 40 minutes.
Above-mentioned is two component sealing materials, and the plugging material prepared by previous process, have condensation very fast, early strength is high, and the feature that cohesive force is strong, impermeability is good and heat transfer coefficient is lower, is suitable for the larger wall-through hole plugging construction such as air louver and scaffolding.
Embodiment 3
Preparation method: take various starting material by formula, aggregate (grating quartz sand), cement (P.O42.5 ordinary Portland cement), active admixture (flyash), water reducer (naphthalene series high-efficiency water-reducing agent) is added successively in stirrer, hardening accelerator (calcium formiate), swelling agent (UEA swelling agent), binding agent (vinyl acetate and higher aliphatic vinyl acetate emulsion copolymer powder), hydrophober (organosilicon powder), plasticity-retention agent (diatomite, lignocellulose), starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, add water in cement based sealing material, the water yield added is 25% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select caulking gun or the caulking machine of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by.
If 4. wall-through hole aperture is greater than 20mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by previous process, have time of coagulation moderate, intensity is higher, has good workability, and strong, the impervious good feature of cohesive force, is applicable to the plugging construction of general wall-through hole.
Embodiment 4
Preparation method: take various starting material by formula, aggregate (grating quartz sand), cement (aluminate cement CA-50), active admixture (silicon ash, slag micropowder), water reducer (melamine water reducing agent) is added successively in stirrer, hardening accelerator (Starso), swelling agent (calcium oxide), binding agent (vinyl acetate and ethene and higher aliphatic vinyl acetate terpolymer rubber powder), plasticity-retention agent (carboxymethyl cellulose), starch ethers, stir, packaging forms product.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, add water in cement based sealing material, the water yield added is 12% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select caulking gun or the caulking machine of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by.
If 4. wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 30 minutes.
The sealing material that said components prepares by previous process, have time of coagulation short, early strength is high, the feature that cohesive force is strong, plasticity is good, is suitable for the plugging construction of wall-through hole under low temperature environment.
Embodiment 5
Preparation method: take various starting material by formula, aggregate (grating quartz sand) is added successively in stirrer, powder filler (talcum powder), cement (P.S42.5 slag cement), active admixture (flyash), water reducer (melamino-formaldehyde polycondensate), hardening accelerator (calcium formiate), swelling agent (calcium oxide), binding agent (the multipolymer rubber powder of ethylene/vinyl acetate), hydrophober (organic silicon water-proofing powder), plasticity-retention agent (wilkinite), starch ethers, stir, packaging forms cement based sealing material product.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, add water in cement based sealing material, the water yield added is 16% of seal sand slurry dry powder weight, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select caulking gun or the caulking machine of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by
If 4. wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 60 minutes.
The sealing material that said components prepares by previous process, has intensity high, and the feature that hydrophobic nature is good, cost is low, is suitable for the plugging construction of general wall-through hole.
Embodiment 6
Preparation method: take various starting material by formula, aggregate (grating quartz sand), powder filler (mica powder), cement (P.O42.5 ordinary Portland cement), water reducer (polycarboxylate dehydragent) is added successively in stirrer, hardening accelerator (Starso), swelling agent (UEA swelling agent), hydrophober (stearate), plasticity-retention agent (wilkinite), starch ethers, stir, packaging forms dry powder component A, take liquid-containing binder in proportion, packaging forms liquid product B.
Constructional method is as follows:
1. before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim.
2. by ratio requirement, take sealing material dry powder component A and liquid-containing binder B in proportion, water is measured by 10% of power-product weight, add in liquid product B, stir, liquid after dilution is added in power-product, adopts handheld stirring machine to stir 3-5 minute, obtained uniform sealing blocking material slurry.
3. select caulking gun or the caulking machine of suitable bore, by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special electric caulking machine, stand-by
If 4. wall-through hole aperture is greater than 50mm, foam-plastic blocks or the cork stopper in suitable aperture can be filled in advance from inner-outer wall both sides, apart from metope at least 25mm outside foam-plastic blocks or cork stopper.
5. slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. moist curing is carried out according to weather condition.
7. count when self-watering stirs, constructing operation should complete in 60 minutes.
Above-mentioned is two component sealing materials, and the sealing material prepared by previous process, has time of coagulation short, and early strength is high, the feature that cohesive force is strong, plasticity is good, is suitable for the plugging construction of wall-through hole under low temperature environment.
Claims (8)
1. a cement based ungauged regions wall-through hole plugging material, is characterized in that, this material is formulated by weight by following component:
Described cement is selected from silicate cement, slag cement, trass cement, pulverized fuel ash cement, one or more in aluminosulfate cement or aluminate cement;
Described active admixture is selected from one or more in flyash, slag powders, colliery powder, silicon ash;
Described water reducer is selected from one or more in sulfonated lignin, Beta-methyl naphthalene sulphonate, melamino-formaldehyde polycondensate or polycarboxylate dehydragent;
Described hardening accelerator is selected from one or more in sodium sulfate, water glass, Starso, calcium formiate or calcium chloride;
Described swelling agent is ettringite or calcium oxide expansion agents;
Described binding agent is polymer emulsion or redispersable latex powder;
Described hydrophober is one or both in waterproofing agent of organosilicon, stearate;
Described plasticity-retention agent is one or more in wilkinite, diatomite, methylcellulose gum, methyl hydroxyethylcellulose ether, methylhydroxypropylcellulose ether, hydroxyethyl ether cellulose, carboxymethyl cellulose or lignocellulose;
Described starch ethers is common starch ether or treated starch ether;
Described powder filler is one or more in silica powder, Paris white, potter's clay, talcum powder or mica powder;
Described aggregate is grating artificial sand or natural sand, pottery sand, pearlstone, expanded vermiculite, glass bead, polystyrene foam particles, one or more in zeolite, float stone, volcanic cinder and tufa.
2. a kind of cement based ungauged regions wall-through hole plugging material according to claim 1, it is characterized in that, described polymer emulsion is selected from one or more in EVA emulsion, vinyl acetate emulsion, pure-acrylic emulsion, benzene emulsion, styrene-butadiene emulsion, the equal emulsion of vinegar; Redispersable latex powder is selected from the multipolymer of ethylene/vinyl acetate, ethene and vinylchlorid and moon silicic acid vinyl acetate terpolymer rubber powder, vinyl acetate and ethene and higher aliphatic vinyl acetate terpolymer rubber powder, vinyl acetate and higher aliphatic vinyl acetate copolymerization rubber powder, acrylate and styrene copolymerized rubber powder, vinyl acetate and acrylate and higher aliphatic vinyl acetate terpolymer rubber powder, vinyl acetate homopolymerization rubber powder, one or more in vinylbenzene and butadiene copolymer rubber powder.
3. the preparation method according to described cement based ungauged regions wall-through hole plugging material arbitrary in claim 1-2, it is characterized in that, various starting material are taken by formula, aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, swelling agent, binding agent, hydrophober, plasticity-retention agent, starch ethers is added successively in stirrer, stir, obtain single component powdery sealing material product, binding agent wherein used is redispersable latex powder.
4. the preparation method according to described cement based ungauged regions wall-through hole plugging material arbitrary in claim 1-2, it is characterized in that, various powderous primary material is taken by formula, aggregate, powder filler, cement, active admixture, water reducer, hardening accelerator, swelling agent, plasticity-retention agent, starch ethers is added successively in stirrer, stir, obtain the component A of dry powder, this component A and binding agent are mixed to get two ingredient liquids sealing material product, binding agent wherein used is polymer emulsion.
5., according to a constructional method for described cement based ungauged regions wall-through hole plugging material arbitrary in claim 1-2, it is characterized in that, the method comprises the following steps:
(1) before plugging construction first clear up, moistening wall-through hole, blow off with pressurized air and swim;
(2) add water in cement based ungauged regions wall-through hole plugging material, stir 3-5 minute, obtained uniform sealing blocking material slurry;
(3) by pull of vacuum, sealing material is sucked in caulking gun, or directly seal sand slurry is poured in special caulking machine, stand-by;
(4) slowly clamp-on seal sand slurry until overflow from wall-through hole with caulking gun or caulking machine respectively from inner-outer wall both sides, and strike off mortar with spatula.
6. the constructional method of cement based ungauged regions wall-through hole plugging material according to claim 5, it is characterized in that, the add-on of the water described in step (2) is: when cement based ungauged regions wall-through hole plugging material is single component powdery, the add-on of water is the 12-25% of dry powder weight; When cement based ungauged regions wall-through hole plugging material is two ingredient liquids shape, the add-on of water is the 10-20% of the component A weight of dry powder in two component.
7. the constructional method of cement based ungauged regions wall-through hole plugging material according to claim 5, is characterized in that, described caulking gun is handle type manual compression filling gun, and caulking machine is the special electric screw rod conveyor with feed bin.
8. the constructional method of cement based ungauged regions wall-through hole plugging material according to claim 5, it is characterized in that, when the aperture of described wall-through hole is greater than 50mm, the coupling foam-plastic blocks in aperture or cork stopper is filled in advance, apart from metope at least 25mm outside foam-plastic blocks or cork stopper from inner-outer wall both sides.
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| CN101269935A (en) * | 2008-04-29 | 2008-09-24 | 水利部交通部电力工业部南京水利科学研究院 | Conduit pipe joint sealing perfusion mortar and manufacturing method thereof |
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